Commit | Line | Data |
---|---|---|
8a680988 | 1 | /* Copyright (c) 2006-2008 Jonas Fonseca <fonseca@diku.dk> |
192d9a60 | 2 | * |
5cfbde75 JF |
3 | * This program is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU General Public License as | |
5 | * published by the Free Software Foundation; either version 2 of | |
6 | * the License, or (at your option) any later version. | |
192d9a60 JF |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
b801d8b2 | 13 | |
776bf2ac JF |
14 | #ifdef HAVE_CONFIG_H |
15 | #include "config.h" | |
16 | #endif | |
17 | ||
ec31d0d0 SG |
18 | #ifndef TIG_VERSION |
19 | #define TIG_VERSION "unknown-version" | |
b76c2afc JF |
20 | #endif |
21 | ||
8855ada4 JF |
22 | #ifndef DEBUG |
23 | #define NDEBUG | |
24 | #endif | |
25 | ||
22f66b0a | 26 | #include <assert.h> |
4c6fabc2 | 27 | #include <errno.h> |
22f66b0a JF |
28 | #include <ctype.h> |
29 | #include <signal.h> | |
b801d8b2 | 30 | #include <stdarg.h> |
b801d8b2 | 31 | #include <stdio.h> |
22f66b0a | 32 | #include <stdlib.h> |
b801d8b2 | 33 | #include <string.h> |
810f0078 JF |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
6908bdbd | 36 | #include <unistd.h> |
b76c2afc | 37 | #include <time.h> |
b801d8b2 | 38 | |
4af34daa JF |
39 | #include <regex.h> |
40 | ||
6b68fd24 JF |
41 | #include <locale.h> |
42 | #include <langinfo.h> | |
43 | #include <iconv.h> | |
44 | ||
6a19a303 JF |
45 | /* ncurses(3): Must be defined to have extended wide-character functions. */ |
46 | #define _XOPEN_SOURCE_EXTENDED | |
47 | ||
b801d8b2 | 48 | #include <curses.h> |
b801d8b2 | 49 | |
e2da526d JF |
50 | #if __GNUC__ >= 3 |
51 | #define __NORETURN __attribute__((__noreturn__)) | |
52 | #else | |
53 | #define __NORETURN | |
54 | #endif | |
55 | ||
56 | static void __NORETURN die(const char *err, ...); | |
77452abc | 57 | static void warn(const char *msg, ...); |
b801d8b2 | 58 | static void report(const char *msg, ...); |
5699e0cf | 59 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 60 | static void set_nonblocking_input(bool loading); |
012e76e9 | 61 | static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve); |
6b161b31 JF |
62 | |
63 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
64 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
65 | ||
66 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
67 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 68 | |
17482b11 | 69 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 70 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 71 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
72 | |
73 | /* Revision graph */ | |
74 | ||
75 | #define REVGRAPH_INIT 'I' | |
76 | #define REVGRAPH_MERGE 'M' | |
77 | #define REVGRAPH_BRANCH '+' | |
78 | #define REVGRAPH_COMMIT '*' | |
e81e9c2c | 79 | #define REVGRAPH_BOUND '^' |
c8d60a25 JF |
80 | #define REVGRAPH_LINE '|' |
81 | ||
54efb62b | 82 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 83 | |
82e78006 JF |
84 | /* This color name can be used to refer to the default term colors. */ |
85 | #define COLOR_DEFAULT (-1) | |
78c70acd | 86 | |
6b68fd24 | 87 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
88 | #ifndef ICONV_CONST |
89 | #define ICONV_CONST /* nothing */ | |
90 | #endif | |
6b68fd24 | 91 | |
82e78006 | 92 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 93 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 94 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 95 | |
10e290ee | 96 | #define AUTHOR_COLS 20 |
8a680988 | 97 | #define ID_COLS 8 |
10e290ee | 98 | |
a28bcc22 | 99 | /* The default interval between line numbers. */ |
8a680988 | 100 | #define NUMBER_INTERVAL 5 |
82e78006 | 101 | |
6706b2ba JF |
102 | #define TABSIZE 8 |
103 | ||
a28bcc22 JF |
104 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
105 | ||
22d9b77c JF |
106 | #define NULL_ID "0000000000000000000000000000000000000000" |
107 | ||
96e58f5b | 108 | #ifndef GIT_CONFIG |
da633326 | 109 | #define GIT_CONFIG "git config" |
96e58f5b JF |
110 | #endif |
111 | ||
8eb62770 | 112 | #define TIG_LS_REMOTE \ |
337d7377 | 113 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
114 | |
115 | #define TIG_DIFF_CMD \ | |
ee74874b | 116 | "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
117 | |
118 | #define TIG_LOG_CMD \ | |
8897e66a | 119 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
120 | |
121 | #define TIG_MAIN_CMD \ | |
d3b19ca4 | 122 | "git log --no-color --topo-order --parents --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 123 | |
e733ee54 JF |
124 | #define TIG_TREE_CMD \ |
125 | "git ls-tree %s %s" | |
126 | ||
127 | #define TIG_BLOB_CMD \ | |
128 | "git cat-file blob %s" | |
129 | ||
8eb62770 JF |
130 | /* XXX: Needs to be defined to the empty string. */ |
131 | #define TIG_HELP_CMD "" | |
132 | #define TIG_PAGER_CMD "" | |
173d76ea | 133 | #define TIG_STATUS_CMD "" |
3e634113 | 134 | #define TIG_STAGE_CMD "" |
8a680988 | 135 | #define TIG_BLAME_CMD "" |
8eb62770 | 136 | |
8855ada4 | 137 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
138 | #define KEY_TAB '\t' |
139 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
140 | #define KEY_ESC 27 |
141 | ||
6706b2ba | 142 | |
c34d9c9f | 143 | struct ref { |
468876c9 | 144 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 145 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 146 | unsigned int tag:1; /* Is it a tag? */ |
2384880b | 147 | unsigned int ltag:1; /* If so, is the tag local? */ |
e15ec88e | 148 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 149 | unsigned int next:1; /* For ref lists: are there more refs? */ |
70ea8175 | 150 | unsigned int head:1; /* Is it the current HEAD? */ |
c34d9c9f JF |
151 | }; |
152 | ||
ff26aa29 | 153 | static struct ref **get_refs(char *id); |
4c6fabc2 | 154 | |
660e09ad JF |
155 | struct int_map { |
156 | const char *name; | |
157 | int namelen; | |
158 | int value; | |
159 | }; | |
160 | ||
161 | static int | |
162 | set_from_int_map(struct int_map *map, size_t map_size, | |
163 | int *value, const char *name, int namelen) | |
164 | { | |
165 | ||
166 | int i; | |
167 | ||
168 | for (i = 0; i < map_size; i++) | |
169 | if (namelen == map[i].namelen && | |
170 | !strncasecmp(name, map[i].name, namelen)) { | |
171 | *value = map[i].value; | |
172 | return OK; | |
173 | } | |
174 | ||
175 | return ERR; | |
176 | } | |
177 | ||
6706b2ba | 178 | |
03a93dbb JF |
179 | /* |
180 | * String helpers | |
181 | */ | |
78c70acd | 182 | |
82e78006 | 183 | static inline void |
9a48919b | 184 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 185 | { |
9a48919b JF |
186 | if (srclen > dstlen - 1) |
187 | srclen = dstlen - 1; | |
03a93dbb | 188 | |
9a48919b JF |
189 | strncpy(dst, src, srclen); |
190 | dst[srclen] = 0; | |
82e78006 JF |
191 | } |
192 | ||
9a48919b JF |
193 | /* Shorthands for safely copying into a fixed buffer. */ |
194 | ||
82e78006 | 195 | #define string_copy(dst, src) \ |
751e27c9 | 196 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
197 | |
198 | #define string_ncopy(dst, src, srclen) \ | |
199 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 200 | |
2463b4ea JF |
201 | #define string_copy_rev(dst, src) \ |
202 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
203 | ||
91c5d983 JF |
204 | #define string_add(dst, from, src) \ |
205 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
206 | ||
4a63c884 JF |
207 | static char * |
208 | chomp_string(char *name) | |
209 | { | |
210 | int namelen; | |
211 | ||
212 | while (isspace(*name)) | |
213 | name++; | |
214 | ||
215 | namelen = strlen(name) - 1; | |
216 | while (namelen > 0 && isspace(name[namelen])) | |
217 | name[namelen--] = 0; | |
218 | ||
219 | return name; | |
220 | } | |
221 | ||
cc2d1364 | 222 | static bool |
d65ced0d | 223 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
224 | { |
225 | va_list args; | |
d65ced0d | 226 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
227 | |
228 | va_start(args, fmt); | |
229 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
230 | va_end(args); | |
231 | ||
232 | if (bufpos) | |
233 | *bufpos = pos; | |
234 | ||
235 | return pos >= bufsize ? FALSE : TRUE; | |
236 | } | |
237 | ||
238 | #define string_format(buf, fmt, args...) \ | |
239 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
240 | ||
241 | #define string_format_from(buf, from, fmt, args...) \ | |
242 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 243 | |
201f5a18 JF |
244 | static int |
245 | string_enum_compare(const char *str1, const char *str2, int len) | |
246 | { | |
247 | size_t i; | |
248 | ||
249 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
250 | ||
251 | /* Diff-Header == DIFF_HEADER */ | |
252 | for (i = 0; i < len; i++) { | |
253 | if (toupper(str1[i]) == toupper(str2[i])) | |
254 | continue; | |
255 | ||
256 | if (string_enum_sep(str1[i]) && | |
257 | string_enum_sep(str2[i])) | |
258 | continue; | |
259 | ||
260 | return str1[i] - str2[i]; | |
261 | } | |
262 | ||
263 | return 0; | |
264 | } | |
265 | ||
03a93dbb JF |
266 | /* Shell quoting |
267 | * | |
268 | * NOTE: The following is a slightly modified copy of the git project's shell | |
269 | * quoting routines found in the quote.c file. | |
270 | * | |
271 | * Help to copy the thing properly quoted for the shell safety. any single | |
272 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
273 | * and the whole thing is enclosed in a | |
274 | * | |
275 | * E.g. | |
276 | * original sq_quote result | |
277 | * name ==> name ==> 'name' | |
278 | * a b ==> a b ==> 'a b' | |
279 | * a'b ==> a'\''b ==> 'a'\''b' | |
280 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
281 | */ | |
282 | ||
283 | static size_t | |
17482b11 | 284 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
285 | { |
286 | char c; | |
287 | ||
17482b11 | 288 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
289 | |
290 | BUFPUT('\''); | |
291 | while ((c = *src++)) { | |
292 | if (c == '\'' || c == '!') { | |
293 | BUFPUT('\''); | |
294 | BUFPUT('\\'); | |
295 | BUFPUT(c); | |
296 | BUFPUT('\''); | |
297 | } else { | |
298 | BUFPUT(c); | |
299 | } | |
300 | } | |
301 | BUFPUT('\''); | |
302 | ||
f0f114ac JF |
303 | if (bufsize < SIZEOF_STR) |
304 | buf[bufsize] = 0; | |
305 | ||
03a93dbb JF |
306 | return bufsize; |
307 | } | |
308 | ||
82e78006 | 309 | |
24b5b3e0 JF |
310 | /* |
311 | * User requests | |
312 | */ | |
313 | ||
314 | #define REQ_INFO \ | |
315 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
316 | REQ_GROUP("View switching") \ | |
317 | REQ_(VIEW_MAIN, "Show main view"), \ | |
318 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
319 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
320 | REQ_(VIEW_TREE, "Show tree view"), \ |
321 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
8a680988 | 322 | REQ_(VIEW_BLAME, "Show blame view"), \ |
24b5b3e0 JF |
323 | REQ_(VIEW_HELP, "Show help page"), \ |
324 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 325 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 326 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
327 | \ |
328 | REQ_GROUP("View manipulation") \ | |
329 | REQ_(ENTER, "Enter current line and scroll"), \ | |
330 | REQ_(NEXT, "Move to next"), \ | |
331 | REQ_(PREVIOUS, "Move to previous"), \ | |
332 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 333 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
334 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
335 | REQ_(QUIT, "Close all views and quit"), \ | |
336 | \ | |
337 | REQ_GROUP("Cursor navigation") \ | |
338 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
339 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
340 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
341 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
342 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
343 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
344 | \ | |
345 | REQ_GROUP("Scrolling") \ | |
346 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
347 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
348 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
349 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
350 | \ | |
4af34daa JF |
351 | REQ_GROUP("Searching") \ |
352 | REQ_(SEARCH, "Search the view"), \ | |
353 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
354 | REQ_(FIND_NEXT, "Find next search match"), \ | |
355 | REQ_(FIND_PREV, "Find previous search match"), \ | |
356 | \ | |
24b5b3e0 JF |
357 | REQ_GROUP("Misc") \ |
358 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
359 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
360 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
361 | REQ_(SHOW_VERSION, "Show version information"), \ | |
362 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 363 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
823057f4 DV |
364 | REQ_(TOGGLE_DATE, "Toggle date display"), \ |
365 | REQ_(TOGGLE_AUTHOR, "Toggle author display"), \ | |
ca1d71ea | 366 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
823057f4 | 367 | REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \ |
0cea0d43 | 368 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 369 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 370 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 371 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 372 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
373 | |
374 | ||
375 | /* User action requests. */ | |
376 | enum request { | |
377 | #define REQ_GROUP(help) | |
378 | #define REQ_(req, help) REQ_##req | |
379 | ||
380 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
381 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 382 | REQ_INFO |
24b5b3e0 JF |
383 | |
384 | #undef REQ_GROUP | |
385 | #undef REQ_ | |
386 | }; | |
387 | ||
388 | struct request_info { | |
389 | enum request request; | |
04e2b7b2 JF |
390 | char *name; |
391 | int namelen; | |
24b5b3e0 JF |
392 | char *help; |
393 | }; | |
394 | ||
395 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
396 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
397 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
398 | REQ_INFO |
399 | #undef REQ_GROUP | |
400 | #undef REQ_ | |
401 | }; | |
402 | ||
04e2b7b2 JF |
403 | static enum request |
404 | get_request(const char *name) | |
405 | { | |
406 | int namelen = strlen(name); | |
407 | int i; | |
408 | ||
409 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
410 | if (req_info[i].namelen == namelen && | |
411 | !string_enum_compare(req_info[i].name, name, namelen)) | |
412 | return req_info[i].request; | |
413 | ||
d31a629d | 414 | return REQ_NONE; |
04e2b7b2 JF |
415 | } |
416 | ||
417 | ||
8eb62770 JF |
418 | /* |
419 | * Options | |
420 | */ | |
b76c2afc | 421 | |
4b8c01a3 | 422 | static const char usage[] = |
ec31d0d0 | 423 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 | 424 | "\n" |
77452abc JF |
425 | "Usage: tig [options] [revs] [--] [paths]\n" |
426 | " or: tig show [options] [revs] [--] [paths]\n" | |
8a680988 | 427 | " or: tig blame [rev] path\n" |
77452abc JF |
428 | " or: tig status\n" |
429 | " or: tig < [git command output]\n" | |
4b8c01a3 JF |
430 | "\n" |
431 | "Options:\n" | |
77452abc | 432 | " -v, --version Show version and exit\n" |
8a680988 | 433 | " -h, --help Show help message and exit"; |
4b8c01a3 | 434 | |
6706b2ba | 435 | /* Option and state variables. */ |
823057f4 DV |
436 | static bool opt_date = TRUE; |
437 | static bool opt_author = TRUE; | |
92d30f5c | 438 | static bool opt_line_number = FALSE; |
11ce319e | 439 | static bool opt_rev_graph = FALSE; |
823057f4 | 440 | static bool opt_show_refs = TRUE; |
92d30f5c JF |
441 | static int opt_num_interval = NUMBER_INTERVAL; |
442 | static int opt_tab_size = TABSIZE; | |
443 | static enum request opt_request = REQ_VIEW_MAIN; | |
444 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 445 | static char opt_path[SIZEOF_STR] = ""; |
a2d5d9ef | 446 | static char opt_file[SIZEOF_STR] = ""; |
8a680988 | 447 | static char opt_ref[SIZEOF_REF] = ""; |
70ea8175 | 448 | static char opt_head[SIZEOF_REF] = ""; |
22d9b77c | 449 | static bool opt_no_head = TRUE; |
92d30f5c JF |
450 | static FILE *opt_pipe = NULL; |
451 | static char opt_encoding[20] = "UTF-8"; | |
452 | static bool opt_utf8 = TRUE; | |
453 | static char opt_codeset[20] = "UTF-8"; | |
454 | static iconv_t opt_iconv = ICONV_NONE; | |
455 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 456 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 457 | static char opt_git_dir[SIZEOF_STR] = ""; |
5bdd523b | 458 | static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 459 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 460 | |
8855ada4 | 461 | static bool |
b76c2afc JF |
462 | parse_options(int argc, char *argv[]) |
463 | { | |
33d43e78 | 464 | size_t buf_size; |
c36979d9 | 465 | char *subcommand; |
33d43e78 | 466 | bool seen_dashdash = FALSE; |
b76c2afc JF |
467 | int i; |
468 | ||
c36979d9 JF |
469 | if (argc <= 1) |
470 | return TRUE; | |
b76c2afc | 471 | |
c36979d9 | 472 | subcommand = argv[1]; |
33d43e78 | 473 | if (!strcmp(subcommand, "status") || !strcmp(subcommand, "-S")) { |
c36979d9 | 474 | opt_request = REQ_VIEW_STATUS; |
33d43e78 JF |
475 | if (!strcmp(subcommand, "-S")) |
476 | warn("`-S' has been deprecated; use `tig status' instead"); | |
c36979d9 JF |
477 | if (argc > 2) |
478 | warn("ignoring arguments after `%s'", subcommand); | |
479 | return TRUE; | |
77452abc | 480 | |
8a680988 JF |
481 | } else if (!strcmp(subcommand, "blame")) { |
482 | opt_request = REQ_VIEW_BLAME; | |
483 | if (argc <= 2 || argc > 4) | |
484 | die("invalid number of options to blame\n\n%s", usage); | |
485 | ||
486 | i = 2; | |
487 | if (argc == 4) { | |
488 | string_ncopy(opt_ref, argv[i], strlen(argv[i])); | |
489 | i++; | |
490 | } | |
491 | ||
a2d5d9ef | 492 | string_ncopy(opt_file, argv[i], strlen(argv[i])); |
8a680988 JF |
493 | return TRUE; |
494 | ||
c36979d9 JF |
495 | } else if (!strcmp(subcommand, "show")) { |
496 | opt_request = REQ_VIEW_DIFF; | |
77452abc | 497 | |
c36979d9 JF |
498 | } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) { |
499 | opt_request = subcommand[0] == 'l' | |
500 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
501 | warn("`tig %s' has been deprecated", subcommand); | |
502 | ||
503 | } else { | |
504 | subcommand = NULL; | |
505 | } | |
506 | ||
33d43e78 JF |
507 | if (!subcommand) |
508 | /* XXX: This is vulnerable to the user overriding | |
509 | * options required for the main view parser. */ | |
510 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents"); | |
511 | else | |
512 | string_format(opt_cmd, "git %s", subcommand); | |
513 | ||
514 | buf_size = strlen(opt_cmd); | |
515 | ||
c36979d9 JF |
516 | for (i = 1 + !!subcommand; i < argc; i++) { |
517 | char *opt = argv[i]; | |
3621d94e | 518 | |
33d43e78 JF |
519 | if (seen_dashdash || !strcmp(opt, "--")) { |
520 | seen_dashdash = TRUE; | |
bfe97931 | 521 | |
33d43e78 | 522 | } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) { |
bfe97931 JF |
523 | printf("tig version %s\n", TIG_VERSION); |
524 | return FALSE; | |
bfe97931 | 525 | |
33d43e78 | 526 | } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) { |
ab7a48a1 | 527 | printf("%s\n", usage); |
bfe97931 JF |
528 | return FALSE; |
529 | } | |
530 | ||
33d43e78 JF |
531 | opt_cmd[buf_size++] = ' '; |
532 | buf_size = sq_quote(opt_cmd, buf_size, opt); | |
533 | if (buf_size >= sizeof(opt_cmd)) | |
534 | die("command too long"); | |
b76c2afc JF |
535 | } |
536 | ||
6908bdbd | 537 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
538 | opt_request = REQ_VIEW_PAGER; |
539 | opt_pipe = stdin; | |
33d43e78 | 540 | buf_size = 0; |
6908bdbd JF |
541 | } |
542 | ||
33d43e78 JF |
543 | opt_cmd[buf_size] = 0; |
544 | ||
8855ada4 | 545 | return TRUE; |
b76c2afc JF |
546 | } |
547 | ||
548 | ||
54efb62b JF |
549 | /* |
550 | * Line-oriented content detection. | |
551 | */ | |
552 | ||
2e8488b4 | 553 | #define LINE_INFO \ |
660e09ad | 554 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
555 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
556 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
557 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
558 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
559 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
560 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
561 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
562 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
563 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
564 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
565 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
566 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
567 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 568 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 569 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
570 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
571 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
572 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
573 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 574 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
575 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
576 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
577 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 578 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 579 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 580 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 581 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
582 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
583 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
584 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
de46362f | 585 | LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6b161b31 JF |
586 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
587 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
588 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
589 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
590 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f | 591 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ |
2384880b | 592 | LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ |
e15ec88e | 593 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 594 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
70ea8175 | 595 | LINE(MAIN_HEAD, "", COLOR_RED, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 596 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 597 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 598 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
f5a5e640 | 599 | LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
53924375 | 600 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 601 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
602 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
603 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
8a680988 JF |
604 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
605 | LINE(BLAME_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
606 | LINE(BLAME_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
607 | LINE(BLAME_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
608 | LINE(BLAME_ID, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
609 | LINE(BLAME_LINENO, "", COLOR_CYAN, COLOR_DEFAULT, 0) | |
660e09ad | 610 | |
78c70acd | 611 | enum line_type { |
2e8488b4 JF |
612 | #define LINE(type, line, fg, bg, attr) \ |
613 | LINE_##type | |
614 | LINE_INFO | |
615 | #undef LINE | |
78c70acd JF |
616 | }; |
617 | ||
618 | struct line_info { | |
660e09ad JF |
619 | const char *name; /* Option name. */ |
620 | int namelen; /* Size of option name. */ | |
4685845e | 621 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
622 | int linelen; /* Size of string to match. */ |
623 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
624 | }; |
625 | ||
2e8488b4 | 626 | static struct line_info line_info[] = { |
78c70acd | 627 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 628 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
629 | LINE_INFO |
630 | #undef LINE | |
78c70acd JF |
631 | }; |
632 | ||
2e8488b4 JF |
633 | static enum line_type |
634 | get_line_type(char *line) | |
78c70acd JF |
635 | { |
636 | int linelen = strlen(line); | |
a28bcc22 | 637 | enum line_type type; |
78c70acd | 638 | |
a28bcc22 | 639 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 640 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
641 | if (linelen >= line_info[type].linelen && |
642 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
643 | return type; | |
78c70acd | 644 | |
2e8488b4 | 645 | return LINE_DEFAULT; |
78c70acd JF |
646 | } |
647 | ||
2e8488b4 | 648 | static inline int |
78c70acd JF |
649 | get_line_attr(enum line_type type) |
650 | { | |
2e8488b4 JF |
651 | assert(type < ARRAY_SIZE(line_info)); |
652 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
653 | } |
654 | ||
660e09ad | 655 | static struct line_info * |
de46362f | 656 | get_line_info(char *name) |
660e09ad | 657 | { |
de46362f | 658 | size_t namelen = strlen(name); |
660e09ad | 659 | enum line_type type; |
660e09ad JF |
660 | |
661 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
662 | if (namelen == line_info[type].namelen && | |
201f5a18 | 663 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
664 | return &line_info[type]; |
665 | ||
666 | return NULL; | |
667 | } | |
668 | ||
78c70acd JF |
669 | static void |
670 | init_colors(void) | |
671 | { | |
62c7d1a7 JF |
672 | int default_bg = line_info[LINE_DEFAULT].bg; |
673 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 674 | enum line_type type; |
78c70acd JF |
675 | |
676 | start_color(); | |
677 | ||
62c7d1a7 JF |
678 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
679 | default_bg = COLOR_BLACK; | |
680 | default_fg = COLOR_WHITE; | |
78c70acd JF |
681 | } |
682 | ||
a28bcc22 JF |
683 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
684 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
685 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
686 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 687 | |
a28bcc22 | 688 | init_pair(type, fg, bg); |
78c70acd JF |
689 | } |
690 | } | |
691 | ||
fe7233c3 JF |
692 | struct line { |
693 | enum line_type type; | |
3c571d67 JF |
694 | |
695 | /* State flags */ | |
696 | unsigned int selected:1; | |
8a680988 | 697 | unsigned int dirty:1; |
3c571d67 | 698 | |
fe7233c3 JF |
699 | void *data; /* User data */ |
700 | }; | |
701 | ||
78c70acd | 702 | |
1899507c | 703 | /* |
37157fa0 JF |
704 | * Keys |
705 | */ | |
706 | ||
93a97d86 | 707 | struct keybinding { |
37157fa0 | 708 | int alias; |
93a97d86 | 709 | enum request request; |
04e2b7b2 | 710 | struct keybinding *next; |
37157fa0 JF |
711 | }; |
712 | ||
93a97d86 | 713 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
714 | /* View switching */ |
715 | { 'm', REQ_VIEW_MAIN }, | |
716 | { 'd', REQ_VIEW_DIFF }, | |
717 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 718 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 719 | { 'f', REQ_VIEW_BLOB }, |
8a680988 | 720 | { 'B', REQ_VIEW_BLAME }, |
37157fa0 JF |
721 | { 'p', REQ_VIEW_PAGER }, |
722 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 723 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 724 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
725 | |
726 | /* View manipulation */ | |
727 | { 'q', REQ_VIEW_CLOSE }, | |
728 | { KEY_TAB, REQ_VIEW_NEXT }, | |
729 | { KEY_RETURN, REQ_ENTER }, | |
730 | { KEY_UP, REQ_PREVIOUS }, | |
731 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 732 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
733 | |
734 | /* Cursor navigation */ | |
735 | { 'k', REQ_MOVE_UP }, | |
736 | { 'j', REQ_MOVE_DOWN }, | |
737 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
738 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
739 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
740 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
741 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
742 | { 'b', REQ_MOVE_PAGE_UP }, | |
743 | { '-', REQ_MOVE_PAGE_UP }, | |
744 | ||
745 | /* Scrolling */ | |
746 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
747 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
748 | { 'w', REQ_SCROLL_PAGE_UP }, | |
749 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
750 | ||
4af34daa JF |
751 | /* Searching */ |
752 | { '/', REQ_SEARCH }, | |
753 | { '?', REQ_SEARCH_BACK }, | |
754 | { 'n', REQ_FIND_NEXT }, | |
755 | { 'N', REQ_FIND_PREV }, | |
756 | ||
37157fa0 JF |
757 | /* Misc */ |
758 | { 'Q', REQ_QUIT }, | |
759 | { 'z', REQ_STOP_LOADING }, | |
760 | { 'v', REQ_SHOW_VERSION }, | |
761 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 762 | { '.', REQ_TOGGLE_LINENO }, |
823057f4 DV |
763 | { 'D', REQ_TOGGLE_DATE }, |
764 | { 'A', REQ_TOGGLE_AUTHOR }, | |
73fb51d5 | 765 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
823057f4 | 766 | { 'F', REQ_TOGGLE_REFS }, |
37157fa0 | 767 | { ':', REQ_PROMPT }, |
ca1d71ea | 768 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 769 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 770 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 771 | { 'e', REQ_EDIT }, |
37157fa0 | 772 | |
1d754561 | 773 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
774 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
775 | }; | |
776 | ||
04e2b7b2 JF |
777 | #define KEYMAP_INFO \ |
778 | KEYMAP_(GENERIC), \ | |
779 | KEYMAP_(MAIN), \ | |
780 | KEYMAP_(DIFF), \ | |
781 | KEYMAP_(LOG), \ | |
e733ee54 JF |
782 | KEYMAP_(TREE), \ |
783 | KEYMAP_(BLOB), \ | |
8a680988 | 784 | KEYMAP_(BLAME), \ |
04e2b7b2 | 785 | KEYMAP_(PAGER), \ |
173d76ea | 786 | KEYMAP_(HELP), \ |
3e634113 JF |
787 | KEYMAP_(STATUS), \ |
788 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
789 | |
790 | enum keymap { | |
791 | #define KEYMAP_(name) KEYMAP_##name | |
792 | KEYMAP_INFO | |
793 | #undef KEYMAP_ | |
794 | }; | |
795 | ||
796 | static struct int_map keymap_table[] = { | |
797 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
798 | KEYMAP_INFO | |
799 | #undef KEYMAP_ | |
800 | }; | |
801 | ||
802 | #define set_keymap(map, name) \ | |
803 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
804 | ||
805 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
806 | ||
807 | static void | |
808 | add_keybinding(enum keymap keymap, enum request request, int key) | |
809 | { | |
810 | struct keybinding *keybinding; | |
811 | ||
812 | keybinding = calloc(1, sizeof(*keybinding)); | |
813 | if (!keybinding) | |
814 | die("Failed to allocate keybinding"); | |
815 | ||
816 | keybinding->alias = key; | |
817 | keybinding->request = request; | |
818 | keybinding->next = keybindings[keymap]; | |
819 | keybindings[keymap] = keybinding; | |
820 | } | |
821 | ||
822 | /* Looks for a key binding first in the given map, then in the generic map, and | |
823 | * lastly in the default keybindings. */ | |
37157fa0 | 824 | static enum request |
04e2b7b2 | 825 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 826 | { |
04e2b7b2 | 827 | struct keybinding *kbd; |
37157fa0 JF |
828 | int i; |
829 | ||
04e2b7b2 JF |
830 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
831 | if (kbd->alias == key) | |
832 | return kbd->request; | |
833 | ||
834 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
835 | if (kbd->alias == key) | |
836 | return kbd->request; | |
837 | ||
93a97d86 JF |
838 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
839 | if (default_keybindings[i].alias == key) | |
840 | return default_keybindings[i].request; | |
37157fa0 JF |
841 | |
842 | return (enum request) key; | |
843 | } | |
844 | ||
93a97d86 | 845 | |
37157fa0 JF |
846 | struct key { |
847 | char *name; | |
848 | int value; | |
849 | }; | |
850 | ||
851 | static struct key key_table[] = { | |
852 | { "Enter", KEY_RETURN }, | |
853 | { "Space", ' ' }, | |
854 | { "Backspace", KEY_BACKSPACE }, | |
855 | { "Tab", KEY_TAB }, | |
856 | { "Escape", KEY_ESC }, | |
857 | { "Left", KEY_LEFT }, | |
858 | { "Right", KEY_RIGHT }, | |
859 | { "Up", KEY_UP }, | |
860 | { "Down", KEY_DOWN }, | |
861 | { "Insert", KEY_IC }, | |
862 | { "Delete", KEY_DC }, | |
74f83ee6 | 863 | { "Hash", '#' }, |
37157fa0 JF |
864 | { "Home", KEY_HOME }, |
865 | { "End", KEY_END }, | |
866 | { "PageUp", KEY_PPAGE }, | |
867 | { "PageDown", KEY_NPAGE }, | |
868 | { "F1", KEY_F(1) }, | |
869 | { "F2", KEY_F(2) }, | |
870 | { "F3", KEY_F(3) }, | |
871 | { "F4", KEY_F(4) }, | |
872 | { "F5", KEY_F(5) }, | |
873 | { "F6", KEY_F(6) }, | |
874 | { "F7", KEY_F(7) }, | |
875 | { "F8", KEY_F(8) }, | |
876 | { "F9", KEY_F(9) }, | |
877 | { "F10", KEY_F(10) }, | |
878 | { "F11", KEY_F(11) }, | |
879 | { "F12", KEY_F(12) }, | |
880 | }; | |
881 | ||
04e2b7b2 JF |
882 | static int |
883 | get_key_value(const char *name) | |
884 | { | |
885 | int i; | |
886 | ||
887 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
888 | if (!strcasecmp(key_table[i].name, name)) | |
889 | return key_table[i].value; | |
890 | ||
891 | if (strlen(name) == 1 && isprint(*name)) | |
892 | return (int) *name; | |
893 | ||
894 | return ERR; | |
895 | } | |
896 | ||
37157fa0 | 897 | static char * |
9eb14b72 JF |
898 | get_key_name(int key_value) |
899 | { | |
900 | static char key_char[] = "'X'"; | |
901 | char *seq = NULL; | |
902 | int key; | |
903 | ||
904 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
905 | if (key_table[key].value == key_value) | |
906 | seq = key_table[key].name; | |
907 | ||
908 | if (seq == NULL && | |
909 | key_value < 127 && | |
910 | isprint(key_value)) { | |
911 | key_char[1] = (char) key_value; | |
912 | seq = key_char; | |
913 | } | |
914 | ||
915 | return seq ? seq : "'?'"; | |
916 | } | |
917 | ||
918 | static char * | |
37157fa0 JF |
919 | get_key(enum request request) |
920 | { | |
921 | static char buf[BUFSIZ]; | |
d65ced0d | 922 | size_t pos = 0; |
520094b4 | 923 | char *sep = ""; |
37157fa0 JF |
924 | int i; |
925 | ||
926 | buf[pos] = 0; | |
927 | ||
93a97d86 JF |
928 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
929 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 930 | |
93a97d86 | 931 | if (keybinding->request != request) |
37157fa0 JF |
932 | continue; |
933 | ||
738bee4a JF |
934 | if (!string_format_from(buf, &pos, "%s%s", sep, |
935 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
936 | return "Too many keybindings!"; |
937 | sep = ", "; | |
938 | } | |
939 | ||
940 | return buf; | |
941 | } | |
942 | ||
9eb14b72 JF |
943 | struct run_request { |
944 | enum keymap keymap; | |
945 | int key; | |
946 | char cmd[SIZEOF_STR]; | |
947 | }; | |
948 | ||
949 | static struct run_request *run_request; | |
950 | static size_t run_requests; | |
951 | ||
952 | static enum request | |
953 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
954 | { | |
955 | struct run_request *tmp; | |
956 | struct run_request req = { keymap, key }; | |
957 | size_t bufpos; | |
958 | ||
959 | for (bufpos = 0; argc > 0; argc--, argv++) | |
960 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
961 | return REQ_NONE; | |
962 | ||
963 | req.cmd[bufpos - 1] = 0; | |
964 | ||
965 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
966 | if (!tmp) | |
967 | return REQ_NONE; | |
968 | ||
969 | run_request = tmp; | |
970 | run_request[run_requests++] = req; | |
971 | ||
972 | return REQ_NONE + run_requests; | |
973 | } | |
974 | ||
975 | static struct run_request * | |
976 | get_run_request(enum request request) | |
977 | { | |
978 | if (request <= REQ_NONE) | |
979 | return NULL; | |
980 | return &run_request[request - REQ_NONE - 1]; | |
981 | } | |
37157fa0 | 982 | |
f655964f JF |
983 | static void |
984 | add_builtin_run_requests(void) | |
985 | { | |
986 | struct { | |
987 | enum keymap keymap; | |
988 | int key; | |
989 | char *argv[1]; | |
990 | } reqs[] = { | |
991 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
992 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
993 | }; | |
994 | int i; | |
995 | ||
996 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
997 | enum request req; | |
998 | ||
999 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1000 | if (req != REQ_NONE) | |
1001 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1002 | } | |
1003 | } | |
1004 | ||
37157fa0 | 1005 | /* |
1899507c JF |
1006 | * User config file handling. |
1007 | */ | |
1008 | ||
5dc795f2 JF |
1009 | static struct int_map color_map[] = { |
1010 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1011 | COLOR_MAP(DEFAULT), | |
1012 | COLOR_MAP(BLACK), | |
1013 | COLOR_MAP(BLUE), | |
1014 | COLOR_MAP(CYAN), | |
1015 | COLOR_MAP(GREEN), | |
1016 | COLOR_MAP(MAGENTA), | |
1017 | COLOR_MAP(RED), | |
1018 | COLOR_MAP(WHITE), | |
1019 | COLOR_MAP(YELLOW), | |
1020 | }; | |
1021 | ||
9256ab05 JF |
1022 | #define set_color(color, name) \ |
1023 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1024 | |
5dc795f2 JF |
1025 | static struct int_map attr_map[] = { |
1026 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1027 | ATTR_MAP(NORMAL), | |
1028 | ATTR_MAP(BLINK), | |
1029 | ATTR_MAP(BOLD), | |
1030 | ATTR_MAP(DIM), | |
1031 | ATTR_MAP(REVERSE), | |
1032 | ATTR_MAP(STANDOUT), | |
1033 | ATTR_MAP(UNDERLINE), | |
1034 | }; | |
1035 | ||
9256ab05 JF |
1036 | #define set_attribute(attr, name) \ |
1037 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1038 | |
3c3801c2 JF |
1039 | static int config_lineno; |
1040 | static bool config_errors; | |
1041 | static char *config_msg; | |
1042 | ||
5bfd96c7 | 1043 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1044 | static int |
5bfd96c7 | 1045 | option_color_command(int argc, char *argv[]) |
660e09ad | 1046 | { |
bca8fcaa JF |
1047 | struct line_info *info; |
1048 | ||
9256ab05 JF |
1049 | if (argc != 3 && argc != 4) { |
1050 | config_msg = "Wrong number of arguments given to color command"; | |
1051 | return ERR; | |
1052 | } | |
1053 | ||
de46362f | 1054 | info = get_line_info(argv[0]); |
bca8fcaa | 1055 | if (!info) { |
de46362f JF |
1056 | if (!string_enum_compare(argv[0], "main-delim", strlen("main-delim"))) { |
1057 | info = get_line_info("delimiter"); | |
1058 | ||
1059 | } else { | |
1060 | config_msg = "Unknown color name"; | |
1061 | return ERR; | |
1062 | } | |
bca8fcaa | 1063 | } |
660e09ad | 1064 | |
a3653368 JF |
1065 | if (set_color(&info->fg, argv[1]) == ERR || |
1066 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1067 | config_msg = "Unknown color"; |
1068 | return ERR; | |
1069 | } | |
660e09ad | 1070 | |
9256ab05 | 1071 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1072 | config_msg = "Unknown attribute"; |
1073 | return ERR; | |
660e09ad JF |
1074 | } |
1075 | ||
bca8fcaa JF |
1076 | return OK; |
1077 | } | |
1078 | ||
8d762458 DV |
1079 | static bool parse_bool(const char *s) |
1080 | { | |
1081 | return (!strcmp(s, "1") || !strcmp(s, "true") || | |
1082 | !strcmp(s, "yes")) ? TRUE : FALSE; | |
1083 | } | |
1084 | ||
5bfd96c7 JF |
1085 | /* Wants: name = value */ |
1086 | static int | |
1087 | option_set_command(int argc, char *argv[]) | |
1088 | { | |
1089 | if (argc != 3) { | |
1090 | config_msg = "Wrong number of arguments given to set command"; | |
1091 | return ERR; | |
1092 | } | |
1093 | ||
1094 | if (strcmp(argv[1], "=")) { | |
1095 | config_msg = "No value assigned"; | |
1096 | return ERR; | |
1097 | } | |
1098 | ||
8d762458 DV |
1099 | if (!strcmp(argv[0], "show-author")) { |
1100 | opt_author = parse_bool(argv[2]); | |
1101 | return OK; | |
1102 | } | |
1103 | ||
1104 | if (!strcmp(argv[0], "show-date")) { | |
1105 | opt_date = parse_bool(argv[2]); | |
1106 | return OK; | |
1107 | } | |
1108 | ||
5bfd96c7 | 1109 | if (!strcmp(argv[0], "show-rev-graph")) { |
8d762458 DV |
1110 | opt_rev_graph = parse_bool(argv[2]); |
1111 | return OK; | |
1112 | } | |
1113 | ||
1114 | if (!strcmp(argv[0], "show-refs")) { | |
1115 | opt_show_refs = parse_bool(argv[2]); | |
1116 | return OK; | |
1117 | } | |
1118 | ||
1119 | if (!strcmp(argv[0], "show-line-numbers")) { | |
1120 | opt_line_number = parse_bool(argv[2]); | |
5bfd96c7 JF |
1121 | return OK; |
1122 | } | |
1123 | ||
1124 | if (!strcmp(argv[0], "line-number-interval")) { | |
1125 | opt_num_interval = atoi(argv[2]); | |
1126 | return OK; | |
1127 | } | |
1128 | ||
1129 | if (!strcmp(argv[0], "tab-size")) { | |
1130 | opt_tab_size = atoi(argv[2]); | |
1131 | return OK; | |
1132 | } | |
1133 | ||
cb7267ee | 1134 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1135 | char *arg = argv[2]; |
1136 | int delimiter = *arg; | |
1137 | int i; | |
1138 | ||
1139 | switch (delimiter) { | |
1140 | case '"': | |
1141 | case '\'': | |
1142 | for (arg++, i = 0; arg[i]; i++) | |
1143 | if (arg[i] == delimiter) { | |
1144 | arg[i] = 0; | |
1145 | break; | |
1146 | } | |
1147 | default: | |
739e81de | 1148 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1149 | return OK; |
1150 | } | |
5bfd96c7 JF |
1151 | } |
1152 | ||
a3653368 | 1153 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1154 | return ERR; |
1155 | } | |
1156 | ||
04e2b7b2 JF |
1157 | /* Wants: mode request key */ |
1158 | static int | |
1159 | option_bind_command(int argc, char *argv[]) | |
1160 | { | |
1161 | enum request request; | |
1162 | int keymap; | |
1163 | int key; | |
1164 | ||
9eb14b72 | 1165 | if (argc < 3) { |
04e2b7b2 JF |
1166 | config_msg = "Wrong number of arguments given to bind command"; |
1167 | return ERR; | |
1168 | } | |
1169 | ||
1170 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1171 | config_msg = "Unknown key map"; | |
1172 | return ERR; | |
1173 | } | |
1174 | ||
1175 | key = get_key_value(argv[1]); | |
1176 | if (key == ERR) { | |
1177 | config_msg = "Unknown key"; | |
1178 | return ERR; | |
1179 | } | |
1180 | ||
1181 | request = get_request(argv[2]); | |
f40385ae | 1182 | if (request == REQ_NONE) { |
f655964f JF |
1183 | const char *obsolete[] = { "cherry-pick" }; |
1184 | size_t namelen = strlen(argv[2]); | |
1185 | int i; | |
1186 | ||
1187 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1188 | if (namelen == strlen(obsolete[i]) && | |
1189 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1190 | config_msg = "Obsolete request name"; | |
1191 | return ERR; | |
1192 | } | |
1193 | } | |
1194 | } | |
9eb14b72 JF |
1195 | if (request == REQ_NONE && *argv[2]++ == '!') |
1196 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1197 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1198 | config_msg = "Unknown request name"; |
1199 | return ERR; | |
1200 | } | |
1201 | ||
1202 | add_keybinding(keymap, request, key); | |
1203 | ||
1204 | return OK; | |
1205 | } | |
1206 | ||
bca8fcaa | 1207 | static int |
9256ab05 | 1208 | set_option(char *opt, char *value) |
bca8fcaa | 1209 | { |
9256ab05 JF |
1210 | char *argv[16]; |
1211 | int valuelen; | |
1212 | int argc = 0; | |
1213 | ||
1214 | /* Tokenize */ | |
1215 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1216 | argv[argc++] = value; | |
9256ab05 | 1217 | value += valuelen; |
b86250da JF |
1218 | |
1219 | /* Nothing more to tokenize or last available token. */ | |
1220 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1221 | break; |
1222 | ||
1223 | *value++ = 0; | |
1224 | while (isspace(*value)) | |
1225 | value++; | |
1226 | } | |
1227 | ||
1228 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1229 | return option_color_command(argc, argv); |
1230 | ||
1231 | if (!strcmp(opt, "set")) | |
1232 | return option_set_command(argc, argv); | |
bca8fcaa | 1233 | |
04e2b7b2 JF |
1234 | if (!strcmp(opt, "bind")) |
1235 | return option_bind_command(argc, argv); | |
1236 | ||
a3653368 | 1237 | config_msg = "Unknown option command"; |
660e09ad JF |
1238 | return ERR; |
1239 | } | |
1240 | ||
1241 | static int | |
5699e0cf | 1242 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1243 | { |
a3653368 JF |
1244 | int status = OK; |
1245 | ||
3c3801c2 JF |
1246 | config_lineno++; |
1247 | config_msg = "Internal error"; | |
1248 | ||
a3653368 JF |
1249 | /* Check for comment markers, since read_properties() will |
1250 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1251 | optlen = strcspn(opt, "#"); |
a3653368 | 1252 | if (optlen == 0) |
3c3801c2 JF |
1253 | return OK; |
1254 | ||
a3653368 JF |
1255 | if (opt[optlen] != 0) { |
1256 | config_msg = "No option value"; | |
1257 | status = ERR; | |
1258 | ||
1259 | } else { | |
1260 | /* Look for comment endings in the value. */ | |
5699e0cf | 1261 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1262 | |
1263 | if (len < valuelen) { | |
1264 | valuelen = len; | |
1265 | value[valuelen] = 0; | |
1266 | } | |
1267 | ||
1268 | status = set_option(opt, value); | |
3c3801c2 JF |
1269 | } |
1270 | ||
a3653368 JF |
1271 | if (status == ERR) { |
1272 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1273 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1274 | config_errors = TRUE; |
1275 | } | |
1276 | ||
1277 | /* Always keep going if errors are encountered. */ | |
1278 | return OK; | |
1279 | } | |
1280 | ||
b6607e7e DV |
1281 | static void |
1282 | load_option_file(const char *path) | |
660e09ad | 1283 | { |
660e09ad JF |
1284 | FILE *file; |
1285 | ||
b6607e7e DV |
1286 | /* It's ok that the file doesn't exist. */ |
1287 | file = fopen(path, "r"); | |
1288 | if (!file) | |
1289 | return; | |
1290 | ||
3c3801c2 JF |
1291 | config_lineno = 0; |
1292 | config_errors = FALSE; | |
1293 | ||
b6607e7e DV |
1294 | if (read_properties(file, " \t", read_option) == ERR || |
1295 | config_errors == TRUE) | |
1296 | fprintf(stderr, "Errors while loading %s.\n", path); | |
1297 | } | |
f655964f | 1298 | |
b6607e7e DV |
1299 | static int |
1300 | load_options(void) | |
1301 | { | |
1302 | char *home = getenv("HOME"); | |
1303 | char *tigrc_user = getenv("TIGRC_USER"); | |
1304 | char *tigrc_system = getenv("TIGRC_SYSTEM"); | |
1305 | char buf[SIZEOF_STR]; | |
660e09ad | 1306 | |
b6607e7e | 1307 | add_builtin_run_requests(); |
660e09ad | 1308 | |
b6607e7e DV |
1309 | if (!tigrc_system) { |
1310 | if (!string_format(buf, "%s/tigrc", SYSCONFDIR)) | |
1311 | return ERR; | |
1312 | tigrc_system = buf; | |
1313 | } | |
1314 | load_option_file(tigrc_system); | |
1315 | ||
1316 | if (!tigrc_user) { | |
1317 | if (!home || !string_format(buf, "%s/.tigrc", home)) | |
1318 | return ERR; | |
1319 | tigrc_user = buf; | |
1320 | } | |
1321 | load_option_file(tigrc_user); | |
3c3801c2 JF |
1322 | |
1323 | return OK; | |
660e09ad JF |
1324 | } |
1325 | ||
1326 | ||
d839253b | 1327 | /* |
468876c9 | 1328 | * The viewer |
d839253b | 1329 | */ |
c2124ccd JF |
1330 | |
1331 | struct view; | |
fe7233c3 | 1332 | struct view_ops; |
c2124ccd JF |
1333 | |
1334 | /* The display array of active views and the index of the current view. */ | |
1335 | static struct view *display[2]; | |
1336 | static unsigned int current_view; | |
1337 | ||
ab4af23e JF |
1338 | /* Reading from the prompt? */ |
1339 | static bool input_mode = FALSE; | |
1340 | ||
33c4f9ea | 1341 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1342 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1343 | ||
9f41488f | 1344 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1345 | |
d839253b | 1346 | /* Current head and commit ID */ |
e733ee54 | 1347 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1348 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1349 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1350 | ||
b801d8b2 | 1351 | struct view { |
03a93dbb | 1352 | const char *name; /* View name */ |
4685845e TH |
1353 | const char *cmd_fmt; /* Default command line format */ |
1354 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1355 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1356 | |
fe7233c3 | 1357 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1358 | |
04e2b7b2 JF |
1359 | enum keymap keymap; /* What keymap does this view have */ |
1360 | ||
17482b11 | 1361 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1362 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1363 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1364 | |
8855ada4 JF |
1365 | int height, width; /* The width and height of the main window */ |
1366 | WINDOW *win; /* The main window */ | |
1367 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1368 | |
1369 | /* Navigation */ | |
1370 | unsigned long offset; /* Offset of the window top */ | |
1371 | unsigned long lineno; /* Current line number */ | |
1372 | ||
4af34daa JF |
1373 | /* Searching */ |
1374 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1375 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1376 | |
f6da0b66 JF |
1377 | /* If non-NULL, points to the view that opened this view. If this view |
1378 | * is closed tig will switch back to the parent view. */ | |
1379 | struct view *parent; | |
1380 | ||
b801d8b2 | 1381 | /* Buffering */ |
518234f1 | 1382 | size_t lines; /* Total number of lines */ |
fe7233c3 | 1383 | struct line *line; /* Line index */ |
518234f1 DV |
1384 | size_t line_alloc; /* Total number of allocated lines */ |
1385 | size_t line_size; /* Total number of used lines */ | |
8855ada4 | 1386 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1387 | |
1388 | /* Loading */ | |
1389 | FILE *pipe; | |
2e8488b4 | 1390 | time_t start_time; |
b801d8b2 JF |
1391 | }; |
1392 | ||
fe7233c3 JF |
1393 | struct view_ops { |
1394 | /* What type of content being displayed. Used in the title bar. */ | |
1395 | const char *type; | |
f098944b JF |
1396 | /* Open and reads in all view content. */ |
1397 | bool (*open)(struct view *view); | |
fe7233c3 | 1398 | /* Read one line; updates view->line. */ |
701e4f5d | 1399 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1400 | /* Draw one line; @lineno must be < view->height. */ |
1401 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1402 | /* Depending on view handle a special requests. */ |
1403 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1404 | /* Search for regex in a line. */ |
1405 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1406 | /* Select line */ |
1407 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1408 | }; |
1409 | ||
6b161b31 JF |
1410 | static struct view_ops pager_ops; |
1411 | static struct view_ops main_ops; | |
e733ee54 JF |
1412 | static struct view_ops tree_ops; |
1413 | static struct view_ops blob_ops; | |
8a680988 | 1414 | static struct view_ops blame_ops; |
f098944b | 1415 | static struct view_ops help_ops; |
173d76ea | 1416 | static struct view_ops status_ops; |
3e634113 | 1417 | static struct view_ops stage_ops; |
a28bcc22 | 1418 | |
04e2b7b2 JF |
1419 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1420 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1421 | |
95d7ddcd | 1422 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1423 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1424 | |
c2124ccd | 1425 | |
b801d8b2 | 1426 | static struct view views[] = { |
173d76ea JF |
1427 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1428 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1429 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1430 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1431 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
8a680988 | 1432 | VIEW_(BLAME, "blame", &blame_ops, ref_commit), |
b64c5b75 JF |
1433 | VIEW_(HELP, "help", &help_ops, ""), |
1434 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1435 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1436 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1437 | }; |
1438 | ||
a28bcc22 JF |
1439 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1440 | ||
699ae55b JF |
1441 | #define foreach_view(view, i) \ |
1442 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1443 | ||
1444 | #define view_is_displayed(view) \ | |
1445 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1446 | |
1c919d68 | 1447 | static int |
a00fff3c | 1448 | draw_text(struct view *view, const char *string, int max_len, |
de46362f | 1449 | bool use_tilde, bool selected) |
1c919d68 | 1450 | { |
71029993 | 1451 | int len = 0; |
22026548 | 1452 | int trimmed = FALSE; |
1c919d68 | 1453 | |
22026548 JF |
1454 | if (max_len <= 0) |
1455 | return 0; | |
1c919d68 | 1456 | |
22026548 JF |
1457 | if (opt_utf8) { |
1458 | len = utf8_length(string, max_len, &trimmed, use_tilde); | |
1459 | } else { | |
1460 | len = strlen(string); | |
1461 | if (len > max_len) { | |
1462 | if (use_tilde) { | |
1463 | max_len -= 1; | |
1c919d68 | 1464 | } |
22026548 JF |
1465 | len = max_len; |
1466 | trimmed = TRUE; | |
1c919d68 | 1467 | } |
22026548 JF |
1468 | } |
1469 | ||
1470 | waddnstr(view->win, string, len); | |
1471 | if (trimmed && use_tilde) { | |
de46362f JF |
1472 | if (!selected) |
1473 | wattrset(view->win, get_line_attr(LINE_DELIMITER)); | |
22026548 JF |
1474 | waddch(view->win, '~'); |
1475 | len++; | |
1c919d68 DV |
1476 | } |
1477 | ||
71029993 | 1478 | return len; |
1c919d68 DV |
1479 | } |
1480 | ||
fe7233c3 JF |
1481 | static bool |
1482 | draw_view_line(struct view *view, unsigned int lineno) | |
1483 | { | |
d720de4b | 1484 | struct line *line; |
5dcf8064 | 1485 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1486 | bool draw_ok; |
d720de4b | 1487 | |
699ae55b JF |
1488 | assert(view_is_displayed(view)); |
1489 | ||
fe7233c3 JF |
1490 | if (view->offset + lineno >= view->lines) |
1491 | return FALSE; | |
1492 | ||
d720de4b JF |
1493 | line = &view->line[view->offset + lineno]; |
1494 | ||
3c571d67 JF |
1495 | if (selected) { |
1496 | line->selected = TRUE; | |
d720de4b | 1497 | view->ops->select(view, line); |
3c571d67 JF |
1498 | } else if (line->selected) { |
1499 | line->selected = FALSE; | |
1500 | wmove(view->win, lineno, 0); | |
1501 | wclrtoeol(view->win); | |
1502 | } | |
d720de4b | 1503 | |
4887d44e JF |
1504 | scrollok(view->win, FALSE); |
1505 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1506 | scrollok(view->win, TRUE); | |
1507 | ||
1508 | return draw_ok; | |
fe7233c3 JF |
1509 | } |
1510 | ||
b801d8b2 | 1511 | static void |
8a680988 JF |
1512 | redraw_view_dirty(struct view *view) |
1513 | { | |
1514 | bool dirty = FALSE; | |
1515 | int lineno; | |
1516 | ||
1517 | for (lineno = 0; lineno < view->height; lineno++) { | |
1518 | struct line *line = &view->line[view->offset + lineno]; | |
1519 | ||
1520 | if (!line->dirty) | |
1521 | continue; | |
1522 | line->dirty = 0; | |
1523 | dirty = TRUE; | |
1524 | if (!draw_view_line(view, lineno)) | |
1525 | break; | |
1526 | } | |
1527 | ||
1528 | if (!dirty) | |
1529 | return; | |
1530 | redrawwin(view->win); | |
1531 | if (input_mode) | |
1532 | wnoutrefresh(view->win); | |
1533 | else | |
1534 | wrefresh(view->win); | |
1535 | } | |
1536 | ||
1537 | static void | |
82e78006 | 1538 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1539 | { |
82e78006 | 1540 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1541 | |
82e78006 | 1542 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1543 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1544 | break; |
b801d8b2 JF |
1545 | } |
1546 | ||
1547 | redrawwin(view->win); | |
ab4af23e JF |
1548 | if (input_mode) |
1549 | wnoutrefresh(view->win); | |
1550 | else | |
1551 | wrefresh(view->win); | |
b801d8b2 JF |
1552 | } |
1553 | ||
b76c2afc | 1554 | static void |
82e78006 JF |
1555 | redraw_view(struct view *view) |
1556 | { | |
1557 | wclear(view->win); | |
1558 | redraw_view_from(view, 0); | |
1559 | } | |
1560 | ||
c2124ccd | 1561 | |
6b161b31 | 1562 | static void |
81030ec8 JF |
1563 | update_view_title(struct view *view) |
1564 | { | |
3c112a88 | 1565 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1566 | char state[SIZEOF_STR]; |
1567 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1568 | |
3c112a88 | 1569 | assert(view_is_displayed(view)); |
81030ec8 | 1570 | |
249016a6 | 1571 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1572 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1573 | unsigned int lines = view->lines |
6d9c07af | 1574 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1575 | : 0; |
1576 | ||
71d1c7db | 1577 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1578 | view->ops->type, |
1579 | view->lineno + 1, | |
1580 | view->lines, | |
1581 | lines); | |
81030ec8 | 1582 | |
5becf244 JF |
1583 | if (view->pipe) { |
1584 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1585 | |
5becf244 JF |
1586 | /* Three git seconds are a long time ... */ |
1587 | if (secs > 2) | |
71d1c7db | 1588 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1589 | } |
81030ec8 JF |
1590 | } |
1591 | ||
71d1c7db JF |
1592 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1593 | if (*view->ref && bufpos < view->width) { | |
1594 | size_t refsize = strlen(view->ref); | |
1595 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1596 | ||
1597 | if (minsize < view->width) | |
1598 | refsize = view->width - minsize + 7; | |
d1858deb | 1599 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1600 | } |
f97f4012 | 1601 | |
71d1c7db JF |
1602 | if (statelen && bufpos < view->width) { |
1603 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1604 | } |
1605 | ||
3c112a88 JF |
1606 | if (view == display[current_view]) |
1607 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1608 | else | |
1609 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1610 | ||
3c112a88 | 1611 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1612 | wclrtoeol(view->title); |
976447f8 | 1613 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1614 | |
1615 | if (input_mode) | |
1616 | wnoutrefresh(view->title); | |
1617 | else | |
1618 | wrefresh(view->title); | |
81030ec8 JF |
1619 | } |
1620 | ||
1621 | static void | |
6b161b31 | 1622 | resize_display(void) |
b76c2afc | 1623 | { |
03a93dbb | 1624 | int offset, i; |
6b161b31 JF |
1625 | struct view *base = display[0]; |
1626 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1627 | |
6b161b31 | 1628 | /* Setup window dimensions */ |
b76c2afc | 1629 | |
03a93dbb | 1630 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1631 | |
6b161b31 | 1632 | /* Make room for the status window. */ |
03a93dbb | 1633 | base->height -= 1; |
6b161b31 JF |
1634 | |
1635 | if (view != base) { | |
03a93dbb JF |
1636 | /* Horizontal split. */ |
1637 | view->width = base->width; | |
6b161b31 JF |
1638 | view->height = SCALE_SPLIT_VIEW(base->height); |
1639 | base->height -= view->height; | |
1640 | ||
1641 | /* Make room for the title bar. */ | |
1642 | view->height -= 1; | |
1643 | } | |
1644 | ||
1645 | /* Make room for the title bar. */ | |
1646 | base->height -= 1; | |
1647 | ||
1648 | offset = 0; | |
1649 | ||
33c4f9ea | 1650 | foreach_displayed_view (view, i) { |
b76c2afc | 1651 | if (!view->win) { |
c19f8017 | 1652 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1653 | if (!view->win) |
1654 | die("Failed to create %s view", view->name); | |
1655 | ||
1656 | scrollok(view->win, TRUE); | |
1657 | ||
1658 | view->title = newwin(1, 0, offset + view->height, 0); | |
1659 | if (!view->title) | |
1660 | die("Failed to create title window"); | |
1661 | ||
1662 | } else { | |
c19f8017 | 1663 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1664 | mvwin(view->win, offset, 0); |
1665 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1666 | } |
a28bcc22 | 1667 | |
6b161b31 | 1668 | offset += view->height + 1; |
b76c2afc | 1669 | } |
6b161b31 | 1670 | } |
b76c2afc | 1671 | |
6b161b31 | 1672 | static void |
20bb5e18 JF |
1673 | redraw_display(void) |
1674 | { | |
1675 | struct view *view; | |
1676 | int i; | |
1677 | ||
33c4f9ea | 1678 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1679 | redraw_view(view); |
1680 | update_view_title(view); | |
1681 | } | |
1682 | } | |
1683 | ||
85af6284 | 1684 | static void |
2bee3bde | 1685 | update_display_cursor(struct view *view) |
85af6284 | 1686 | { |
85af6284 JF |
1687 | /* Move the cursor to the right-most column of the cursor line. |
1688 | * | |
1689 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1690 | * the cursor does not jump around. */ | |
1691 | if (view->lines) { | |
1692 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1693 | wrefresh(view->win); | |
1694 | } | |
1695 | } | |
20bb5e18 | 1696 | |
2e8488b4 JF |
1697 | /* |
1698 | * Navigation | |
1699 | */ | |
1700 | ||
4a2909a7 | 1701 | /* Scrolling backend */ |
b801d8b2 | 1702 | static void |
8c317212 | 1703 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1704 | { |
a0087dd5 JF |
1705 | bool redraw_current_line = FALSE; |
1706 | ||
fd85fef1 JF |
1707 | /* The rendering expects the new offset. */ |
1708 | view->offset += lines; | |
1709 | ||
1710 | assert(0 <= view->offset && view->offset < view->lines); | |
1711 | assert(lines); | |
b801d8b2 | 1712 | |
a0087dd5 JF |
1713 | /* Move current line into the view. */ |
1714 | if (view->lineno < view->offset) { | |
1715 | view->lineno = view->offset; | |
1716 | redraw_current_line = TRUE; | |
1717 | } else if (view->lineno >= view->offset + view->height) { | |
1718 | view->lineno = view->offset + view->height - 1; | |
1719 | redraw_current_line = TRUE; | |
1720 | } | |
1721 | ||
1722 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1723 | ||
82e78006 | 1724 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1725 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1726 | redraw_view(view); |
1727 | ||
1728 | } else { | |
22f66b0a | 1729 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1730 | int end = line + ABS(lines); |
fd85fef1 JF |
1731 | |
1732 | wscrl(view->win, lines); | |
1733 | ||
22f66b0a | 1734 | for (; line < end; line++) { |
fe7233c3 | 1735 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1736 | break; |
1737 | } | |
fd85fef1 | 1738 | |
a0087dd5 JF |
1739 | if (redraw_current_line) |
1740 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1741 | } |
1742 | ||
fd85fef1 JF |
1743 | redrawwin(view->win); |
1744 | wrefresh(view->win); | |
9d3f5834 | 1745 | report(""); |
fd85fef1 | 1746 | } |
78c70acd | 1747 | |
4a2909a7 | 1748 | /* Scroll frontend */ |
fd85fef1 | 1749 | static void |
6b161b31 | 1750 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1751 | { |
1752 | int lines = 1; | |
b801d8b2 | 1753 | |
8c317212 JF |
1754 | assert(view_is_displayed(view)); |
1755 | ||
b801d8b2 | 1756 | switch (request) { |
4a2909a7 | 1757 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1758 | lines = view->height; |
4a2909a7 | 1759 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1760 | if (view->offset + lines > view->lines) |
bde3653a | 1761 | lines = view->lines - view->offset; |
b801d8b2 | 1762 | |
fd85fef1 | 1763 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1764 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1765 | return; |
1766 | } | |
1767 | break; | |
1768 | ||
4a2909a7 | 1769 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1770 | lines = view->height; |
4a2909a7 | 1771 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1772 | if (lines > view->offset) |
1773 | lines = view->offset; | |
1774 | ||
1775 | if (lines == 0) { | |
eb98559e | 1776 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1777 | return; |
1778 | } | |
1779 | ||
fd85fef1 | 1780 | lines = -lines; |
b801d8b2 | 1781 | break; |
03a93dbb | 1782 | |
6b161b31 JF |
1783 | default: |
1784 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1785 | } |
1786 | ||
8c317212 | 1787 | do_scroll_view(view, lines); |
fd85fef1 | 1788 | } |
b801d8b2 | 1789 | |
4a2909a7 | 1790 | /* Cursor moving */ |
fd85fef1 | 1791 | static void |
8522ecc7 | 1792 | move_view(struct view *view, enum request request) |
fd85fef1 | 1793 | { |
dfaa6c81 | 1794 | int scroll_steps = 0; |
fd85fef1 | 1795 | int steps; |
b801d8b2 | 1796 | |
fd85fef1 | 1797 | switch (request) { |
4a2909a7 | 1798 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1799 | steps = -view->lineno; |
1800 | break; | |
1801 | ||
4a2909a7 | 1802 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1803 | steps = view->lines - view->lineno - 1; |
1804 | break; | |
1805 | ||
4a2909a7 | 1806 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1807 | steps = view->height > view->lineno |
1808 | ? -view->lineno : -view->height; | |
1809 | break; | |
1810 | ||
4a2909a7 | 1811 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1812 | steps = view->lineno + view->height >= view->lines |
1813 | ? view->lines - view->lineno - 1 : view->height; | |
1814 | break; | |
1815 | ||
4a2909a7 | 1816 | case REQ_MOVE_UP: |
fd85fef1 JF |
1817 | steps = -1; |
1818 | break; | |
b801d8b2 | 1819 | |
4a2909a7 | 1820 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1821 | steps = 1; |
1822 | break; | |
6b161b31 JF |
1823 | |
1824 | default: | |
1825 | die("request %d not handled in switch", request); | |
78c70acd | 1826 | } |
b801d8b2 | 1827 | |
4c6fabc2 | 1828 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1829 | report("Cannot move beyond the first line"); |
78c70acd | 1830 | return; |
b801d8b2 | 1831 | |
6908bdbd | 1832 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1833 | report("Cannot move beyond the last line"); |
78c70acd | 1834 | return; |
fd85fef1 JF |
1835 | } |
1836 | ||
4c6fabc2 | 1837 | /* Move the current line */ |
fd85fef1 | 1838 | view->lineno += steps; |
4c6fabc2 JF |
1839 | assert(0 <= view->lineno && view->lineno < view->lines); |
1840 | ||
4c6fabc2 | 1841 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1842 | if (view->lineno < view->offset || |
1843 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1844 | scroll_steps = steps; |
fd85fef1 | 1845 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1846 | scroll_steps = -view->offset; |
b76c2afc JF |
1847 | |
1848 | } else if (steps > 0) { | |
1849 | if (view->lineno == view->lines - 1 && | |
1850 | view->lines > view->height) { | |
dfaa6c81 JF |
1851 | scroll_steps = view->lines - view->offset - 1; |
1852 | if (scroll_steps >= view->height) | |
1853 | scroll_steps -= view->height - 1; | |
b76c2afc | 1854 | } |
b801d8b2 | 1855 | } |
8522ecc7 JF |
1856 | } |
1857 | ||
1858 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1859 | view->offset += scroll_steps; |
1860 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1861 | view->ops->select(view, &view->line[view->lineno]); |
1862 | return; | |
1863 | } | |
1864 | ||
1865 | /* Repaint the old "current" line if we be scrolling */ | |
1866 | if (ABS(steps) < view->height) | |
1867 | draw_view_line(view, view->lineno - steps - view->offset); | |
1868 | ||
dfaa6c81 JF |
1869 | if (scroll_steps) { |
1870 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1871 | return; |
b801d8b2 JF |
1872 | } |
1873 | ||
4c6fabc2 | 1874 | /* Draw the current line */ |
fe7233c3 | 1875 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1876 | |
b801d8b2 JF |
1877 | redrawwin(view->win); |
1878 | wrefresh(view->win); | |
9d3f5834 | 1879 | report(""); |
b801d8b2 JF |
1880 | } |
1881 | ||
b801d8b2 | 1882 | |
2e8488b4 | 1883 | /* |
4af34daa JF |
1884 | * Searching |
1885 | */ | |
1886 | ||
c02d8fce | 1887 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1888 | |
1889 | static bool | |
1890 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1891 | { | |
699ae55b JF |
1892 | assert(view_is_displayed(view)); |
1893 | ||
4af34daa JF |
1894 | if (!view->ops->grep(view, line)) |
1895 | return FALSE; | |
1896 | ||
1897 | if (lineno - view->offset >= view->height) { | |
1898 | view->offset = lineno; | |
1899 | view->lineno = lineno; | |
1900 | redraw_view(view); | |
1901 | ||
1902 | } else { | |
1903 | unsigned long old_lineno = view->lineno - view->offset; | |
1904 | ||
1905 | view->lineno = lineno; | |
4af34daa JF |
1906 | draw_view_line(view, old_lineno); |
1907 | ||
1908 | draw_view_line(view, view->lineno - view->offset); | |
1909 | redrawwin(view->win); | |
1910 | wrefresh(view->win); | |
1911 | } | |
1912 | ||
1913 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1914 | return TRUE; | |
1915 | } | |
1916 | ||
1917 | static void | |
1918 | find_next(struct view *view, enum request request) | |
1919 | { | |
1920 | unsigned long lineno = view->lineno; | |
1921 | int direction; | |
1922 | ||
1923 | if (!*view->grep) { | |
1924 | if (!*opt_search) | |
1925 | report("No previous search"); | |
1926 | else | |
c02d8fce | 1927 | search_view(view, request); |
4af34daa JF |
1928 | return; |
1929 | } | |
1930 | ||
1931 | switch (request) { | |
1932 | case REQ_SEARCH: | |
1933 | case REQ_FIND_NEXT: | |
1934 | direction = 1; | |
1935 | break; | |
1936 | ||
1937 | case REQ_SEARCH_BACK: | |
1938 | case REQ_FIND_PREV: | |
1939 | direction = -1; | |
1940 | break; | |
1941 | ||
1942 | default: | |
1943 | return; | |
1944 | } | |
1945 | ||
1946 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1947 | lineno += direction; | |
1948 | ||
1949 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1950 | * will become bigger than view->lines. */ | |
1951 | for (; lineno < view->lines; lineno += direction) { | |
1952 | struct line *line = &view->line[lineno]; | |
1953 | ||
1954 | if (find_next_line(view, lineno, line)) | |
1955 | return; | |
1956 | } | |
1957 | ||
1958 | report("No match found for '%s'", view->grep); | |
1959 | } | |
1960 | ||
1961 | static void | |
c02d8fce | 1962 | search_view(struct view *view, enum request request) |
4af34daa JF |
1963 | { |
1964 | int regex_err; | |
1965 | ||
b77b2cb8 JF |
1966 | if (view->regex) { |
1967 | regfree(view->regex); | |
4af34daa | 1968 | *view->grep = 0; |
b77b2cb8 JF |
1969 | } else { |
1970 | view->regex = calloc(1, sizeof(*view->regex)); | |
1971 | if (!view->regex) | |
1972 | return; | |
4af34daa JF |
1973 | } |
1974 | ||
c02d8fce | 1975 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1976 | if (regex_err != 0) { |
1977 | char buf[SIZEOF_STR] = "unknown error"; | |
1978 | ||
b77b2cb8 | 1979 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1980 | report("Search failed: %s", buf); |
4af34daa JF |
1981 | return; |
1982 | } | |
1983 | ||
c02d8fce | 1984 | string_copy(view->grep, opt_search); |
4af34daa JF |
1985 | |
1986 | find_next(view, request); | |
1987 | } | |
1988 | ||
1989 | /* | |
2e8488b4 JF |
1990 | * Incremental updating |
1991 | */ | |
b801d8b2 | 1992 | |
199d1288 JF |
1993 | static void |
1994 | end_update(struct view *view) | |
1995 | { | |
1996 | if (!view->pipe) | |
1997 | return; | |
1998 | set_nonblocking_input(FALSE); | |
1999 | if (view->pipe == stdin) | |
2000 | fclose(view->pipe); | |
2001 | else | |
2002 | pclose(view->pipe); | |
2003 | view->pipe = NULL; | |
2004 | } | |
2005 | ||
03a93dbb | 2006 | static bool |
b801d8b2 JF |
2007 | begin_update(struct view *view) |
2008 | { | |
199d1288 JF |
2009 | if (view->pipe) |
2010 | end_update(view); | |
2011 | ||
03a93dbb JF |
2012 | if (opt_cmd[0]) { |
2013 | string_copy(view->cmd, opt_cmd); | |
2014 | opt_cmd[0] = 0; | |
035ba11f JF |
2015 | /* When running random commands, initially show the |
2016 | * command in the title. However, it maybe later be | |
2017 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
2018 | if (view == VIEW(REQ_VIEW_PAGER)) |
2019 | string_copy(view->ref, view->cmd); | |
2020 | else | |
2021 | view->ref[0] = 0; | |
e733ee54 JF |
2022 | |
2023 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
2024 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 2025 | char path[SIZEOF_STR]; |
e733ee54 JF |
2026 | |
2027 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
2028 | opt_path[0] = path[0] = 0; |
2029 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
2030 | return FALSE; | |
e733ee54 | 2031 | |
739e81de | 2032 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
2033 | return FALSE; |
2034 | ||
03a93dbb | 2035 | } else { |
4685845e | 2036 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 2037 | const char *id = view->id; |
1ba2ae4b | 2038 | |
cc2d1364 | 2039 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 2040 | return FALSE; |
035ba11f JF |
2041 | |
2042 | /* Put the current ref_* value to the view title ref | |
2043 | * member. This is needed by the blob view. Most other | |
2044 | * views sets it automatically after loading because the | |
2045 | * first line is a commit line. */ | |
739e81de | 2046 | string_copy_rev(view->ref, view->id); |
03a93dbb | 2047 | } |
b801d8b2 | 2048 | |
6908bdbd JF |
2049 | /* Special case for the pager view. */ |
2050 | if (opt_pipe) { | |
2051 | view->pipe = opt_pipe; | |
2052 | opt_pipe = NULL; | |
2053 | } else { | |
2054 | view->pipe = popen(view->cmd, "r"); | |
2055 | } | |
2056 | ||
2e8488b4 JF |
2057 | if (!view->pipe) |
2058 | return FALSE; | |
b801d8b2 | 2059 | |
6b161b31 | 2060 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
2061 | |
2062 | view->offset = 0; | |
2063 | view->lines = 0; | |
2064 | view->lineno = 0; | |
739e81de | 2065 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 2066 | |
2e8488b4 JF |
2067 | if (view->line) { |
2068 | int i; | |
2069 | ||
2070 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
2071 | if (view->line[i].data) |
2072 | free(view->line[i].data); | |
2e8488b4 JF |
2073 | |
2074 | free(view->line); | |
2075 | view->line = NULL; | |
2076 | } | |
2077 | ||
2078 | view->start_time = time(NULL); | |
2079 | ||
b801d8b2 JF |
2080 | return TRUE; |
2081 | } | |
2082 | ||
518234f1 DV |
2083 | #define ITEM_CHUNK_SIZE 256 |
2084 | static void * | |
2085 | realloc_items(void *mem, size_t *size, size_t new_size, size_t item_size) | |
2086 | { | |
2087 | size_t num_chunks = *size / ITEM_CHUNK_SIZE; | |
2088 | size_t num_chunks_new = (new_size + ITEM_CHUNK_SIZE - 1) / ITEM_CHUNK_SIZE; | |
2089 | ||
2090 | if (mem == NULL || num_chunks != num_chunks_new) { | |
2091 | *size = num_chunks_new * ITEM_CHUNK_SIZE; | |
2092 | mem = realloc(mem, *size * item_size); | |
2093 | } | |
2094 | ||
2095 | return mem; | |
2096 | } | |
2097 | ||
e2c01617 JF |
2098 | static struct line * |
2099 | realloc_lines(struct view *view, size_t line_size) | |
2100 | { | |
518234f1 DV |
2101 | size_t alloc = view->line_alloc; |
2102 | struct line *tmp = realloc_items(view->line, &alloc, line_size, | |
2103 | sizeof(*view->line)); | |
e2c01617 JF |
2104 | |
2105 | if (!tmp) | |
2106 | return NULL; | |
2107 | ||
2108 | view->line = tmp; | |
518234f1 | 2109 | view->line_alloc = alloc; |
e2c01617 JF |
2110 | view->line_size = line_size; |
2111 | return view->line; | |
2112 | } | |
2113 | ||
03a93dbb | 2114 | static bool |
b801d8b2 JF |
2115 | update_view(struct view *view) |
2116 | { | |
6b68fd24 JF |
2117 | char in_buffer[BUFSIZ]; |
2118 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2119 | char *line; |
82e78006 JF |
2120 | /* The number of lines to read. If too low it will cause too much |
2121 | * redrawing (and possible flickering), if too high responsiveness | |
2122 | * will suffer. */ | |
8855ada4 | 2123 | unsigned long lines = view->height; |
82e78006 | 2124 | int redraw_from = -1; |
b801d8b2 JF |
2125 | |
2126 | if (!view->pipe) | |
2127 | return TRUE; | |
2128 | ||
82e78006 JF |
2129 | /* Only redraw if lines are visible. */ |
2130 | if (view->offset + view->height >= view->lines) | |
2131 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2132 | |
699ae55b | 2133 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2134 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2135 | goto alloc_error; |
2136 | ||
6b68fd24 JF |
2137 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2138 | size_t linelen = strlen(line); | |
b801d8b2 | 2139 | |
b801d8b2 JF |
2140 | if (linelen) |
2141 | line[linelen - 1] = 0; | |
2142 | ||
6b68fd24 | 2143 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2144 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2145 | size_t inlen = linelen; |
2146 | ||
2147 | char *outbuf = out_buffer; | |
2148 | size_t outlen = sizeof(out_buffer); | |
2149 | ||
2150 | size_t ret; | |
2151 | ||
7361622d | 2152 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2153 | if (ret != (size_t) -1) { |
2154 | line = out_buffer; | |
2155 | linelen = strlen(out_buffer); | |
2156 | } | |
2157 | } | |
2158 | ||
701e4f5d | 2159 | if (!view->ops->read(view, line)) |
b801d8b2 | 2160 | goto alloc_error; |
fd85fef1 JF |
2161 | |
2162 | if (lines-- == 1) | |
2163 | break; | |
b801d8b2 JF |
2164 | } |
2165 | ||
8855ada4 JF |
2166 | { |
2167 | int digits; | |
2168 | ||
2169 | lines = view->lines; | |
2170 | for (digits = 0; lines; digits++) | |
2171 | lines /= 10; | |
2172 | ||
2173 | /* Keep the displayed view in sync with line number scaling. */ | |
2174 | if (digits != view->digits) { | |
2175 | view->digits = digits; | |
2176 | redraw_from = 0; | |
2177 | } | |
2178 | } | |
2179 | ||
699ae55b JF |
2180 | if (!view_is_displayed(view)) |
2181 | goto check_pipe; | |
2182 | ||
e733ee54 JF |
2183 | if (view == VIEW(REQ_VIEW_TREE)) { |
2184 | /* Clear the view and redraw everything since the tree sorting | |
2185 | * might have rearranged things. */ | |
2186 | redraw_view(view); | |
2187 | ||
2188 | } else if (redraw_from >= 0) { | |
82e78006 | 2189 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2190 | * since for commits some members could have changed when |
2191 | * loading the main view. */ | |
82e78006 JF |
2192 | if (redraw_from > 0) |
2193 | redraw_from--; | |
2194 | ||
9eded379 JF |
2195 | /* Since revision graph visualization requires knowledge |
2196 | * about the parent commit, it causes a further one-off | |
2197 | * needed to be redrawn for incremental updates. */ | |
2198 | if (redraw_from > 0 && opt_rev_graph) | |
2199 | redraw_from--; | |
2200 | ||
82e78006 JF |
2201 | /* Incrementally draw avoids flickering. */ |
2202 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2203 | } |
b801d8b2 | 2204 | |
8a680988 JF |
2205 | if (view == VIEW(REQ_VIEW_BLAME)) |
2206 | redraw_view_dirty(view); | |
2207 | ||
eb98559e JF |
2208 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2209 | * commit reference in view->ref it'll be available here. */ | |
2210 | update_view_title(view); | |
2211 | ||
699ae55b | 2212 | check_pipe: |
b801d8b2 | 2213 | if (ferror(view->pipe)) { |
03a93dbb | 2214 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2215 | goto end; |
2216 | ||
2217 | } else if (feof(view->pipe)) { | |
f97f4012 | 2218 | report(""); |
b801d8b2 JF |
2219 | goto end; |
2220 | } | |
2221 | ||
2222 | return TRUE; | |
2223 | ||
2224 | alloc_error: | |
2e8488b4 | 2225 | report("Allocation failure"); |
b801d8b2 JF |
2226 | |
2227 | end: | |
4ed67514 JF |
2228 | if (view->ops->read(view, NULL)) |
2229 | end_update(view); | |
b801d8b2 JF |
2230 | return FALSE; |
2231 | } | |
2232 | ||
0a0d8910 | 2233 | static struct line * |
e314c36d | 2234 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2235 | { |
e314c36d | 2236 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2237 | |
e314c36d | 2238 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2239 | line->type = type; |
e314c36d | 2240 | line->data = data; |
0a0d8910 JF |
2241 | |
2242 | return line; | |
2243 | } | |
2244 | ||
e314c36d JF |
2245 | static struct line * |
2246 | add_line_text(struct view *view, char *data, enum line_type type) | |
2247 | { | |
2248 | if (data) | |
2249 | data = strdup(data); | |
2250 | ||
2251 | return data ? add_line_data(view, data, type) : NULL; | |
2252 | } | |
2253 | ||
79d445ca | 2254 | |
e10154d5 JF |
2255 | /* |
2256 | * View opening | |
2257 | */ | |
2258 | ||
49f2b43f JF |
2259 | enum open_flags { |
2260 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2261 | OPEN_SPLIT = 1, /* Split current view. */ | |
2262 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2263 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2264 | }; | |
2265 | ||
6b161b31 | 2266 | static void |
49f2b43f | 2267 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2268 | { |
49f2b43f JF |
2269 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2270 | bool split = !!(flags & OPEN_SPLIT); | |
2271 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2272 | struct view *view = VIEW(request); |
9f41488f | 2273 | int nviews = displayed_views(); |
6e950a52 | 2274 | struct view *base_view = display[0]; |
b801d8b2 | 2275 | |
49f2b43f | 2276 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2277 | report("Already in %s view", view->name); |
2278 | return; | |
2279 | } | |
b801d8b2 | 2280 | |
6b161b31 | 2281 | if (split) { |
8d741c06 | 2282 | display[1] = view; |
6b161b31 | 2283 | if (!backgrounded) |
8d741c06 | 2284 | current_view = 1; |
6b161b31 JF |
2285 | } else { |
2286 | /* Maximize the current view. */ | |
2287 | memset(display, 0, sizeof(display)); | |
2288 | current_view = 0; | |
2289 | display[current_view] = view; | |
a28bcc22 | 2290 | } |
b801d8b2 | 2291 | |
6e950a52 JF |
2292 | /* Resize the view when switching between split- and full-screen, |
2293 | * or when switching between two different full-screen views. */ | |
2294 | if (nviews != displayed_views() || | |
2295 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2296 | resize_display(); |
b801d8b2 | 2297 | |
31862819 JF |
2298 | if (view->ops->open) { |
2299 | if (!view->ops->open(view)) { | |
2300 | report("Failed to load %s view", view->name); | |
2301 | return; | |
2302 | } | |
2303 | ||
2304 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2305 | !begin_update(view)) { | |
2306 | report("Failed to load %s view", view->name); | |
2307 | return; | |
2308 | } | |
2309 | ||
a8891802 | 2310 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2311 | /* Take the title line into account. */ |
eb98559e | 2312 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2313 | |
2314 | /* Scroll the view that was split if the current line is | |
2315 | * outside the new limited view. */ | |
8c317212 | 2316 | do_scroll_view(prev, lines); |
03a93dbb JF |
2317 | } |
2318 | ||
6b161b31 | 2319 | if (prev && view != prev) { |
9b995f0c | 2320 | if (split && !backgrounded) { |
f0b3ab80 JF |
2321 | /* "Blur" the previous view. */ |
2322 | update_view_title(prev); | |
9f396969 | 2323 | } |
f0b3ab80 | 2324 | |
f6da0b66 | 2325 | view->parent = prev; |
b801d8b2 JF |
2326 | } |
2327 | ||
9f396969 | 2328 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2329 | /* Clear the old view and let the incremental updating refill |
2330 | * the screen. */ | |
2331 | wclear(view->win); | |
f97f4012 | 2332 | report(""); |
03a93dbb JF |
2333 | } else { |
2334 | redraw_view(view); | |
24b5b3e0 | 2335 | report(""); |
03a93dbb | 2336 | } |
6706b2ba JF |
2337 | |
2338 | /* If the view is backgrounded the above calls to report() | |
2339 | * won't redraw the view title. */ | |
2340 | if (backgrounded) | |
2341 | update_view_title(view); | |
b801d8b2 JF |
2342 | } |
2343 | ||
0cea0d43 | 2344 | static void |
d24ef76c JF |
2345 | open_external_viewer(const char *cmd) |
2346 | { | |
2347 | def_prog_mode(); /* save current tty modes */ | |
2348 | endwin(); /* restore original tty modes */ | |
2349 | system(cmd); | |
2350 | fprintf(stderr, "Press Enter to continue"); | |
2351 | getc(stdin); | |
2352 | reset_prog_mode(); | |
2353 | redraw_display(); | |
2354 | } | |
2355 | ||
2356 | static void | |
b5c18d9d JF |
2357 | open_mergetool(const char *file) |
2358 | { | |
2359 | char cmd[SIZEOF_STR]; | |
2360 | char file_sq[SIZEOF_STR]; | |
2361 | ||
2362 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2363 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2364 | open_external_viewer(cmd); | |
2365 | } | |
2366 | } | |
2367 | ||
2368 | static void | |
d24ef76c | 2369 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2370 | { |
2371 | char cmd[SIZEOF_STR]; | |
2372 | char file_sq[SIZEOF_STR]; | |
2373 | char *editor; | |
7d31b059 | 2374 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2375 | |
2376 | editor = getenv("GIT_EDITOR"); | |
2377 | if (!editor && *opt_editor) | |
2378 | editor = opt_editor; | |
2379 | if (!editor) | |
2380 | editor = getenv("VISUAL"); | |
2381 | if (!editor) | |
2382 | editor = getenv("EDITOR"); | |
2383 | if (!editor) | |
2384 | editor = "vi"; | |
2385 | ||
2386 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2387 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2388 | open_external_viewer(cmd); |
0cea0d43 JF |
2389 | } |
2390 | } | |
b801d8b2 | 2391 | |
9eb14b72 JF |
2392 | static void |
2393 | open_run_request(enum request request) | |
2394 | { | |
2395 | struct run_request *req = get_run_request(request); | |
2396 | char buf[SIZEOF_STR * 2]; | |
2397 | size_t bufpos; | |
2398 | char *cmd; | |
2399 | ||
2400 | if (!req) { | |
2401 | report("Unknown run request"); | |
2402 | return; | |
2403 | } | |
2404 | ||
2405 | bufpos = 0; | |
2406 | cmd = req->cmd; | |
2407 | ||
2408 | while (cmd) { | |
2409 | char *next = strstr(cmd, "%("); | |
2410 | int len = next - cmd; | |
2411 | char *value; | |
2412 | ||
2413 | if (!next) { | |
2414 | len = strlen(cmd); | |
2415 | value = ""; | |
2416 | ||
2417 | } else if (!strncmp(next, "%(head)", 7)) { | |
2418 | value = ref_head; | |
2419 | ||
2420 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2421 | value = ref_commit; | |
2422 | ||
2423 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2424 | value = ref_blob; | |
2425 | ||
2426 | } else { | |
2427 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2428 | return; | |
2429 | } | |
2430 | ||
2431 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2432 | return; | |
2433 | ||
2434 | if (next) | |
2435 | next = strchr(next, ')') + 1; | |
2436 | cmd = next; | |
2437 | } | |
2438 | ||
2439 | open_external_viewer(buf); | |
2440 | } | |
2441 | ||
6b161b31 JF |
2442 | /* |
2443 | * User request switch noodle | |
2444 | */ | |
2445 | ||
b801d8b2 | 2446 | static int |
6b161b31 | 2447 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2448 | { |
b801d8b2 JF |
2449 | int i; |
2450 | ||
1bace428 JF |
2451 | if (request == REQ_NONE) { |
2452 | doupdate(); | |
2453 | return TRUE; | |
2454 | } | |
2455 | ||
9eb14b72 JF |
2456 | if (request > REQ_NONE) { |
2457 | open_run_request(request); | |
2458 | return TRUE; | |
2459 | } | |
2460 | ||
586c423d JF |
2461 | if (view && view->lines) { |
2462 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2463 | if (request == REQ_NONE) | |
2464 | return TRUE; | |
2465 | } | |
2466 | ||
b801d8b2 | 2467 | switch (request) { |
4a2909a7 JF |
2468 | case REQ_MOVE_UP: |
2469 | case REQ_MOVE_DOWN: | |
2470 | case REQ_MOVE_PAGE_UP: | |
2471 | case REQ_MOVE_PAGE_DOWN: | |
2472 | case REQ_MOVE_FIRST_LINE: | |
2473 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2474 | move_view(view, request); |
fd85fef1 JF |
2475 | break; |
2476 | ||
4a2909a7 JF |
2477 | case REQ_SCROLL_LINE_DOWN: |
2478 | case REQ_SCROLL_LINE_UP: | |
2479 | case REQ_SCROLL_PAGE_DOWN: | |
2480 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2481 | scroll_view(view, request); |
b801d8b2 JF |
2482 | break; |
2483 | ||
8a680988 | 2484 | case REQ_VIEW_BLAME: |
a2d5d9ef | 2485 | if (!opt_file[0]) { |
8a680988 JF |
2486 | report("No file chosen, press %s to open tree view", |
2487 | get_key(REQ_VIEW_TREE)); | |
2488 | break; | |
2489 | } | |
8a680988 JF |
2490 | open_view(view, request, OPEN_DEFAULT); |
2491 | break; | |
2492 | ||
e733ee54 JF |
2493 | case REQ_VIEW_BLOB: |
2494 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2495 | report("No file chosen, press %s to open tree view", |
2496 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2497 | break; |
2498 | } | |
5c4358d1 JF |
2499 | open_view(view, request, OPEN_DEFAULT); |
2500 | break; | |
2501 | ||
2502 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2503 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2504 | report("No pager content, press %s to run command from prompt", |
2505 | get_key(REQ_PROMPT)); | |
2506 | break; | |
2507 | } | |
2508 | open_view(view, request, OPEN_DEFAULT); | |
2509 | break; | |
2510 | ||
3e634113 JF |
2511 | case REQ_VIEW_STAGE: |
2512 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2513 | report("No stage content, press %s to open the status view and choose file", | |
2514 | get_key(REQ_VIEW_STATUS)); | |
2515 | break; | |
2516 | } | |
2517 | open_view(view, request, OPEN_DEFAULT); | |
2518 | break; | |
2519 | ||
c38c64bb JF |
2520 | case REQ_VIEW_STATUS: |
2521 | if (opt_is_inside_work_tree == FALSE) { | |
2522 | report("The status view requires a working tree"); | |
2523 | break; | |
2524 | } | |
2525 | open_view(view, request, OPEN_DEFAULT); | |
2526 | break; | |
2527 | ||
4a2909a7 | 2528 | case REQ_VIEW_MAIN: |
4a2909a7 | 2529 | case REQ_VIEW_DIFF: |
2e8488b4 | 2530 | case REQ_VIEW_LOG: |
e733ee54 | 2531 | case REQ_VIEW_TREE: |
2e8488b4 | 2532 | case REQ_VIEW_HELP: |
49f2b43f | 2533 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2534 | break; |
2535 | ||
b3a54cba JF |
2536 | case REQ_NEXT: |
2537 | case REQ_PREVIOUS: | |
2538 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2539 | ||
e733ee54 JF |
2540 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2541 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
8a680988 JF |
2542 | (view == VIEW(REQ_VIEW_DIFF) && |
2543 | view->parent == VIEW(REQ_VIEW_BLAME)) || | |
3e634113 | 2544 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2545 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2546 | (view == VIEW(REQ_VIEW_BLOB) && |
2547 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2548 | int line; |
2549 | ||
b3a54cba | 2550 | view = view->parent; |
03400136 | 2551 | line = view->lineno; |
8522ecc7 JF |
2552 | move_view(view, request); |
2553 | if (view_is_displayed(view)) | |
f0b3ab80 | 2554 | update_view_title(view); |
328d27f7 JF |
2555 | if (line != view->lineno) |
2556 | view->ops->request(view, REQ_ENTER, | |
2557 | &view->line[view->lineno]); | |
2558 | ||
b3a54cba | 2559 | } else { |
8522ecc7 | 2560 | move_view(view, request); |
b3a54cba | 2561 | } |
328d27f7 | 2562 | break; |
6b161b31 | 2563 | |
03a93dbb JF |
2564 | case REQ_VIEW_NEXT: |
2565 | { | |
9f41488f | 2566 | int nviews = displayed_views(); |
03a93dbb JF |
2567 | int next_view = (current_view + 1) % nviews; |
2568 | ||
2569 | if (next_view == current_view) { | |
2570 | report("Only one view is displayed"); | |
2571 | break; | |
2572 | } | |
2573 | ||
2574 | current_view = next_view; | |
2575 | /* Blur out the title of the previous view. */ | |
2576 | update_view_title(view); | |
6734f6b9 | 2577 | report(""); |
03a93dbb JF |
2578 | break; |
2579 | } | |
acaef3b3 JF |
2580 | case REQ_REFRESH: |
2581 | report("Refreshing is not yet supported for the %s view", view->name); | |
2582 | break; | |
2583 | ||
24b5b3e0 | 2584 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2585 | opt_line_number = !opt_line_number; |
20bb5e18 | 2586 | redraw_display(); |
b801d8b2 JF |
2587 | break; |
2588 | ||
823057f4 DV |
2589 | case REQ_TOGGLE_DATE: |
2590 | opt_date = !opt_date; | |
2591 | redraw_display(); | |
2592 | break; | |
2593 | ||
2594 | case REQ_TOGGLE_AUTHOR: | |
2595 | opt_author = !opt_author; | |
2596 | redraw_display(); | |
2597 | break; | |
2598 | ||
54efb62b JF |
2599 | case REQ_TOGGLE_REV_GRAPH: |
2600 | opt_rev_graph = !opt_rev_graph; | |
2601 | redraw_display(); | |
2602 | break; | |
2603 | ||
823057f4 DV |
2604 | case REQ_TOGGLE_REFS: |
2605 | opt_show_refs = !opt_show_refs; | |
2606 | redraw_display(); | |
2607 | break; | |
2608 | ||
03a93dbb | 2609 | case REQ_PROMPT: |
8855ada4 | 2610 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2611 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2612 | break; |
2613 | ||
4af34daa JF |
2614 | case REQ_SEARCH: |
2615 | case REQ_SEARCH_BACK: | |
c02d8fce | 2616 | search_view(view, request); |
4af34daa JF |
2617 | break; |
2618 | ||
2619 | case REQ_FIND_NEXT: | |
2620 | case REQ_FIND_PREV: | |
2621 | find_next(view, request); | |
2622 | break; | |
2623 | ||
4a2909a7 | 2624 | case REQ_STOP_LOADING: |
59a45d3a JF |
2625 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2626 | view = &views[i]; | |
2e8488b4 | 2627 | if (view->pipe) |
6a7bb912 | 2628 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2629 | end_update(view); |
2630 | } | |
b801d8b2 JF |
2631 | break; |
2632 | ||
4a2909a7 | 2633 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2634 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2635 | return TRUE; |
2636 | ||
fac7db6c JF |
2637 | case REQ_SCREEN_RESIZE: |
2638 | resize_display(); | |
2639 | /* Fall-through */ | |
4a2909a7 | 2640 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2641 | redraw_display(); |
4a2909a7 JF |
2642 | break; |
2643 | ||
0cea0d43 JF |
2644 | case REQ_EDIT: |
2645 | report("Nothing to edit"); | |
531c6c69 JF |
2646 | break; |
2647 | ||
226da94b | 2648 | |
531c6c69 JF |
2649 | case REQ_ENTER: |
2650 | report("Nothing to enter"); | |
2651 | break; | |
ca1d71ea | 2652 | |
b801d8b2 | 2653 | |
4f9b667a | 2654 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2655 | /* XXX: Mark closed views by letting view->parent point to the |
2656 | * view itself. Parents to closed view should never be | |
2657 | * followed. */ | |
2658 | if (view->parent && | |
2659 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2660 | memset(display, 0, sizeof(display)); |
2661 | current_view = 0; | |
f6da0b66 | 2662 | display[current_view] = view->parent; |
2fcf5401 | 2663 | view->parent = view; |
4f9b667a JF |
2664 | resize_display(); |
2665 | redraw_display(); | |
2666 | break; | |
2667 | } | |
2668 | /* Fall-through */ | |
b801d8b2 JF |
2669 | case REQ_QUIT: |
2670 | return FALSE; | |
2671 | ||
2672 | default: | |
2e8488b4 | 2673 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2674 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2675 | return TRUE; |
2676 | } | |
2677 | ||
2678 | return TRUE; | |
2679 | } | |
2680 | ||
2681 | ||
2682 | /* | |
ff26aa29 | 2683 | * Pager backend |
b801d8b2 JF |
2684 | */ |
2685 | ||
6b161b31 | 2686 | static bool |
5dcf8064 | 2687 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2688 | { |
fe7233c3 JF |
2689 | char *text = line->data; |
2690 | enum line_type type = line->type; | |
78c70acd | 2691 | int attr; |
b801d8b2 | 2692 | |
6706b2ba JF |
2693 | wmove(view->win, lineno, 0); |
2694 | ||
5dcf8064 | 2695 | if (selected) { |
78c70acd | 2696 | type = LINE_CURSOR; |
6706b2ba | 2697 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2698 | } |
2699 | ||
78c70acd | 2700 | attr = get_line_attr(type); |
b801d8b2 | 2701 | wattrset(view->win, attr); |
b76c2afc | 2702 | |
6706b2ba JF |
2703 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2704 | static char spaces[] = " "; | |
2705 | int col_offset = 0, col = 0; | |
2706 | ||
2707 | if (opt_line_number) { | |
2708 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2709 | |
6706b2ba JF |
2710 | if (real_lineno == 1 || |
2711 | (real_lineno % opt_num_interval) == 0) { | |
2712 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2713 | |
6706b2ba JF |
2714 | } else { |
2715 | waddnstr(view->win, spaces, | |
2716 | MIN(view->digits, STRING_SIZE(spaces))); | |
2717 | } | |
2718 | waddstr(view->win, ": "); | |
2719 | col_offset = view->digits + 2; | |
2720 | } | |
8855ada4 | 2721 | |
fe7233c3 | 2722 | while (text && col_offset + col < view->width) { |
6706b2ba | 2723 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2724 | char *pos = text; |
6706b2ba | 2725 | int cols; |
4c6fabc2 | 2726 | |
fe7233c3 JF |
2727 | if (*text == '\t') { |
2728 | text++; | |
6706b2ba | 2729 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2730 | pos = spaces; |
6706b2ba | 2731 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2732 | |
b76c2afc | 2733 | } else { |
fe7233c3 JF |
2734 | text = strchr(text, '\t'); |
2735 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2736 | } |
6706b2ba | 2737 | |
fe7233c3 | 2738 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2739 | col += cols; |
b76c2afc | 2740 | } |
b76c2afc JF |
2741 | |
2742 | } else { | |
de46362f | 2743 | draw_text(view, text, view->width, TRUE, selected); |
6706b2ba | 2744 | } |
2e8488b4 | 2745 | |
b801d8b2 JF |
2746 | return TRUE; |
2747 | } | |
2748 | ||
dc23c0e3 | 2749 | static bool |
d65ced0d | 2750 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2751 | { |
17482b11 | 2752 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2753 | char *ref = NULL; |
2754 | FILE *pipe; | |
2755 | ||
d3c345f7 | 2756 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2757 | return TRUE; |
2758 | ||
2759 | pipe = popen(refbuf, "r"); | |
2760 | if (!pipe) | |
2761 | return TRUE; | |
2762 | ||
2763 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2764 | ref = chomp_string(ref); | |
2765 | pclose(pipe); | |
2766 | ||
2767 | if (!ref || !*ref) | |
2768 | return TRUE; | |
2769 | ||
2770 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2771 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2772 | return FALSE; |
2773 | ||
2774 | return TRUE; | |
2775 | } | |
2776 | ||
7b99a34c JF |
2777 | static void |
2778 | add_pager_refs(struct view *view, struct line *line) | |
2779 | { | |
17482b11 | 2780 | char buf[SIZEOF_STR]; |
9295982a | 2781 | char *commit_id = (char *)line->data + STRING_SIZE("commit "); |
7b99a34c | 2782 | struct ref **refs; |
d65ced0d | 2783 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2784 | const char *sep = "Refs: "; |
dc23c0e3 | 2785 | bool is_tag = FALSE; |
7b99a34c JF |
2786 | |
2787 | assert(line->type == LINE_COMMIT); | |
2788 | ||
c9ca1ec3 | 2789 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2790 | if (!refs) { |
2791 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2792 | goto try_add_describe_ref; | |
7b99a34c | 2793 | return; |
dc23c0e3 | 2794 | } |
7b99a34c JF |
2795 | |
2796 | do { | |
cc2d1364 | 2797 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2798 | char *fmt = ref->tag ? "%s[%s]" : |
2799 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2800 | |
cc2d1364 JF |
2801 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2802 | return; | |
7b99a34c | 2803 | sep = ", "; |
dc23c0e3 JF |
2804 | if (ref->tag) |
2805 | is_tag = TRUE; | |
7b99a34c JF |
2806 | } while (refs[refpos++]->next); |
2807 | ||
dc23c0e3 JF |
2808 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2809 | try_add_describe_ref: | |
d42c8a35 | 2810 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2811 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2812 | return; | |
2813 | } | |
2814 | ||
d42c8a35 JF |
2815 | if (bufpos == 0) |
2816 | return; | |
2817 | ||
cc2d1364 | 2818 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2819 | return; |
2820 | ||
0a0d8910 | 2821 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2822 | } |
2823 | ||
6b161b31 | 2824 | static bool |
701e4f5d | 2825 | pager_read(struct view *view, char *data) |
22f66b0a | 2826 | { |
0a0d8910 | 2827 | struct line *line; |
22f66b0a | 2828 | |
be04d936 JF |
2829 | if (!data) |
2830 | return TRUE; | |
2831 | ||
0a0d8910 JF |
2832 | line = add_line_text(view, data, get_line_type(data)); |
2833 | if (!line) | |
7b99a34c | 2834 | return FALSE; |
fe7233c3 | 2835 | |
7b99a34c JF |
2836 | if (line->type == LINE_COMMIT && |
2837 | (view == VIEW(REQ_VIEW_DIFF) || | |
2838 | view == VIEW(REQ_VIEW_LOG))) | |
2839 | add_pager_refs(view, line); | |
2840 | ||
22f66b0a JF |
2841 | return TRUE; |
2842 | } | |
2843 | ||
586c423d JF |
2844 | static enum request |
2845 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2846 | { |
91e8e277 | 2847 | int split = 0; |
6b161b31 | 2848 | |
586c423d JF |
2849 | if (request != REQ_ENTER) |
2850 | return request; | |
2851 | ||
9fbbd28f JF |
2852 | if (line->type == LINE_COMMIT && |
2853 | (view == VIEW(REQ_VIEW_LOG) || | |
2854 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2855 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2856 | split = 1; | |
67e48ac5 JF |
2857 | } |
2858 | ||
91e8e277 JF |
2859 | /* Always scroll the view even if it was split. That way |
2860 | * you can use Enter to scroll through the log view and | |
2861 | * split open each commit diff. */ | |
2862 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2863 | ||
2864 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2865 | * but if we are scrolling a non-current view this won't properly |
2866 | * update the view title. */ | |
91e8e277 JF |
2867 | if (split) |
2868 | update_view_title(view); | |
6b161b31 | 2869 | |
586c423d | 2870 | return REQ_NONE; |
6b161b31 JF |
2871 | } |
2872 | ||
4af34daa JF |
2873 | static bool |
2874 | pager_grep(struct view *view, struct line *line) | |
2875 | { | |
2876 | regmatch_t pmatch; | |
2877 | char *text = line->data; | |
2878 | ||
2879 | if (!*text) | |
2880 | return FALSE; | |
2881 | ||
b77b2cb8 | 2882 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2883 | return FALSE; |
2884 | ||
2885 | return TRUE; | |
2886 | } | |
2887 | ||
d720de4b JF |
2888 | static void |
2889 | pager_select(struct view *view, struct line *line) | |
2890 | { | |
2891 | if (line->type == LINE_COMMIT) { | |
9295982a | 2892 | char *text = (char *)line->data + STRING_SIZE("commit "); |
d720de4b | 2893 | |
035ba11f | 2894 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2895 | string_copy_rev(view->ref, text); |
2896 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2897 | } |
2898 | } | |
2899 | ||
6b161b31 | 2900 | static struct view_ops pager_ops = { |
6734f6b9 | 2901 | "line", |
f098944b | 2902 | NULL, |
6b161b31 | 2903 | pager_read, |
f098944b | 2904 | pager_draw, |
586c423d | 2905 | pager_request, |
f098944b JF |
2906 | pager_grep, |
2907 | pager_select, | |
2908 | }; | |
2909 | ||
2910 | ||
2911 | /* | |
2912 | * Help backend | |
2913 | */ | |
2914 | ||
2915 | static bool | |
2916 | help_open(struct view *view) | |
2917 | { | |
2918 | char buf[BUFSIZ]; | |
2919 | int lines = ARRAY_SIZE(req_info) + 2; | |
2920 | int i; | |
2921 | ||
2922 | if (view->lines > 0) | |
2923 | return TRUE; | |
2924 | ||
2925 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2926 | if (!req_info[i].request) | |
2927 | lines++; | |
2928 | ||
9eb14b72 JF |
2929 | lines += run_requests + 1; |
2930 | ||
f098944b JF |
2931 | view->line = calloc(lines, sizeof(*view->line)); |
2932 | if (!view->line) | |
2933 | return FALSE; | |
2934 | ||
2935 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2936 | ||
2937 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2938 | char *key; | |
2939 | ||
0e4360b6 JF |
2940 | if (req_info[i].request == REQ_NONE) |
2941 | continue; | |
2942 | ||
f098944b JF |
2943 | if (!req_info[i].request) { |
2944 | add_line_text(view, "", LINE_DEFAULT); | |
2945 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2946 | continue; | |
2947 | } | |
2948 | ||
2949 | key = get_key(req_info[i].request); | |
0e4360b6 JF |
2950 | if (!*key) |
2951 | key = "(no key defined)"; | |
2952 | ||
f098944b JF |
2953 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) |
2954 | continue; | |
2955 | ||
2956 | add_line_text(view, buf, LINE_DEFAULT); | |
2957 | } | |
2958 | ||
9eb14b72 JF |
2959 | if (run_requests) { |
2960 | add_line_text(view, "", LINE_DEFAULT); | |
2961 | add_line_text(view, "External commands:", LINE_DEFAULT); | |
2962 | } | |
2963 | ||
2964 | for (i = 0; i < run_requests; i++) { | |
2965 | struct run_request *req = get_run_request(REQ_NONE + i + 1); | |
2966 | char *key; | |
2967 | ||
2968 | if (!req) | |
2969 | continue; | |
2970 | ||
2971 | key = get_key_name(req->key); | |
2972 | if (!*key) | |
2973 | key = "(no key defined)"; | |
2974 | ||
2975 | if (!string_format(buf, " %-10s %-14s `%s`", | |
2976 | keymap_table[req->keymap].name, | |
2977 | key, req->cmd)) | |
2978 | continue; | |
2979 | ||
2980 | add_line_text(view, buf, LINE_DEFAULT); | |
2981 | } | |
2982 | ||
f098944b JF |
2983 | return TRUE; |
2984 | } | |
2985 | ||
2986 | static struct view_ops help_ops = { | |
2987 | "line", | |
2988 | help_open, | |
2989 | NULL, | |
2990 | pager_draw, | |
586c423d | 2991 | pager_request, |
4af34daa | 2992 | pager_grep, |
d720de4b | 2993 | pager_select, |
6b161b31 JF |
2994 | }; |
2995 | ||
80ce96ea | 2996 | |
ff26aa29 | 2997 | /* |
e733ee54 JF |
2998 | * Tree backend |
2999 | */ | |
3000 | ||
69efc854 JF |
3001 | struct tree_stack_entry { |
3002 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
3003 | unsigned long lineno; /* Line number to restore */ | |
3004 | char *name; /* Position of name in opt_path */ | |
3005 | }; | |
3006 | ||
3007 | /* The top of the path stack. */ | |
3008 | static struct tree_stack_entry *tree_stack = NULL; | |
3009 | unsigned long tree_lineno = 0; | |
3010 | ||
3011 | static void | |
3012 | pop_tree_stack_entry(void) | |
3013 | { | |
3014 | struct tree_stack_entry *entry = tree_stack; | |
3015 | ||
3016 | tree_lineno = entry->lineno; | |
3017 | entry->name[0] = 0; | |
3018 | tree_stack = entry->prev; | |
3019 | free(entry); | |
3020 | } | |
3021 | ||
3022 | static void | |
3023 | push_tree_stack_entry(char *name, unsigned long lineno) | |
3024 | { | |
3025 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
3026 | size_t pathlen = strlen(opt_path); | |
3027 | ||
3028 | if (!entry) | |
3029 | return; | |
3030 | ||
3031 | entry->prev = tree_stack; | |
3032 | entry->name = opt_path + pathlen; | |
3033 | tree_stack = entry; | |
3034 | ||
3035 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
3036 | pop_tree_stack_entry(); | |
3037 | return; | |
3038 | } | |
3039 | ||
3040 | /* Move the current line to the first tree entry. */ | |
3041 | tree_lineno = 1; | |
3042 | entry->lineno = lineno; | |
3043 | } | |
3044 | ||
4795d620 | 3045 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
3046 | * |
3047 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
3048 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
3049 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
3050 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
3051 | */ | |
3052 | ||
3053 | #define SIZEOF_TREE_ATTR \ | |
3054 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
3055 | ||
3056 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
3057 | ||
3058 | static int | |
3059 | tree_compare_entry(enum line_type type1, char *name1, | |
3060 | enum line_type type2, char *name2) | |
3061 | { | |
3062 | if (type1 != type2) { | |
3063 | if (type1 == LINE_TREE_DIR) | |
3064 | return -1; | |
3065 | return 1; | |
3066 | } | |
3067 | ||
3068 | return strcmp(name1, name2); | |
3069 | } | |
3070 | ||
a2d5d9ef JF |
3071 | static char * |
3072 | tree_path(struct line *line) | |
3073 | { | |
3074 | char *path = line->data; | |
3075 | ||
3076 | return path + SIZEOF_TREE_ATTR; | |
3077 | } | |
3078 | ||
e733ee54 JF |
3079 | static bool |
3080 | tree_read(struct view *view, char *text) | |
3081 | { | |
be04d936 | 3082 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
3083 | char buf[SIZEOF_STR]; |
3084 | unsigned long pos; | |
3085 | enum line_type type; | |
f88a5319 | 3086 | bool first_read = view->lines == 0; |
e733ee54 | 3087 | |
4ed67514 JF |
3088 | if (!text) |
3089 | return TRUE; | |
e733ee54 JF |
3090 | if (textlen <= SIZEOF_TREE_ATTR) |
3091 | return FALSE; | |
3092 | ||
3093 | type = text[STRING_SIZE("100644 ")] == 't' | |
3094 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
3095 | ||
f88a5319 | 3096 | if (first_read) { |
e733ee54 | 3097 | /* Add path info line */ |
0a0d8910 JF |
3098 | if (!string_format(buf, "Directory path /%s", opt_path) || |
3099 | !realloc_lines(view, view->line_size + 1) || | |
3100 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
3101 | return FALSE; |
3102 | ||
3103 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
3104 | if (*opt_path) { |
3105 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
3106 | !realloc_lines(view, view->line_size + 1) || | |
3107 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
3108 | return FALSE; | |
3109 | } | |
e733ee54 JF |
3110 | } |
3111 | ||
3112 | /* Strip the path part ... */ | |
3113 | if (*opt_path) { | |
3114 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
3115 | size_t striplen = strlen(opt_path); | |
3116 | char *path = text + SIZEOF_TREE_ATTR; | |
3117 | ||
3118 | if (pathlen > striplen) | |
3119 | memmove(path, path + striplen, | |
3120 | pathlen - striplen + 1); | |
3121 | } | |
3122 | ||
3123 | /* Skip "Directory ..." and ".." line. */ | |
3124 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
3125 | struct line *line = &view->line[pos]; | |
a2d5d9ef | 3126 | char *path1 = tree_path(line); |
e733ee54 JF |
3127 | char *path2 = text + SIZEOF_TREE_ATTR; |
3128 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
3129 | ||
3130 | if (cmp <= 0) | |
3131 | continue; | |
3132 | ||
3133 | text = strdup(text); | |
3134 | if (!text) | |
3135 | return FALSE; | |
3136 | ||
3137 | if (view->lines > pos) | |
3138 | memmove(&view->line[pos + 1], &view->line[pos], | |
3139 | (view->lines - pos) * sizeof(*line)); | |
3140 | ||
3141 | line = &view->line[pos]; | |
3142 | line->data = text; | |
3143 | line->type = type; | |
3144 | view->lines++; | |
3145 | return TRUE; | |
3146 | } | |
3147 | ||
0a0d8910 | 3148 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3149 | return FALSE; |
3150 | ||
69efc854 JF |
3151 | if (tree_lineno > view->lineno) { |
3152 | view->lineno = tree_lineno; | |
3153 | tree_lineno = 0; | |
3154 | } | |
f88a5319 | 3155 | |
e733ee54 JF |
3156 | return TRUE; |
3157 | } | |
3158 | ||
586c423d JF |
3159 | static enum request |
3160 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3161 | { |
aac64c17 | 3162 | enum open_flags flags; |
586c423d | 3163 | |
a2d5d9ef JF |
3164 | if (request == REQ_VIEW_BLAME) { |
3165 | char *filename = tree_path(line); | |
3166 | ||
3167 | if (line->type == LINE_TREE_DIR) { | |
3168 | report("Cannot show blame for directory %s", opt_path); | |
3169 | return REQ_NONE; | |
3170 | } | |
3171 | ||
8f298f3e JF |
3172 | string_copy(opt_ref, view->vid); |
3173 | string_format(opt_file, "%s%s", opt_path, filename); | |
a2d5d9ef JF |
3174 | return request; |
3175 | } | |
c509eed2 DV |
3176 | if (request == REQ_TREE_PARENT) { |
3177 | if (*opt_path) { | |
3178 | /* fake 'cd ..' */ | |
3179 | request = REQ_ENTER; | |
3180 | line = &view->line[1]; | |
3181 | } else { | |
3182 | /* quit view if at top of tree */ | |
3183 | return REQ_VIEW_CLOSE; | |
3184 | } | |
3185 | } | |
586c423d JF |
3186 | if (request != REQ_ENTER) |
3187 | return request; | |
e733ee54 | 3188 | |
69efc854 JF |
3189 | /* Cleanup the stack if the tree view is at a different tree. */ |
3190 | while (!*opt_path && tree_stack) | |
3191 | pop_tree_stack_entry(); | |
3192 | ||
e733ee54 JF |
3193 | switch (line->type) { |
3194 | case LINE_TREE_DIR: | |
3195 | /* Depending on whether it is a subdir or parent (updir?) link | |
3196 | * mangle the path buffer. */ | |
3197 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3198 | pop_tree_stack_entry(); |
e733ee54 JF |
3199 | |
3200 | } else { | |
a2d5d9ef | 3201 | char *basename = tree_path(line); |
e733ee54 | 3202 | |
69efc854 | 3203 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3204 | } |
3205 | ||
3206 | /* Trees and subtrees share the same ID, so they are not not | |
3207 | * unique like blobs. */ | |
aac64c17 | 3208 | flags = OPEN_RELOAD; |
e733ee54 JF |
3209 | request = REQ_VIEW_TREE; |
3210 | break; | |
3211 | ||
3212 | case LINE_TREE_FILE: | |
aac64c17 | 3213 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3214 | request = REQ_VIEW_BLOB; |
3215 | break; | |
3216 | ||
3217 | default: | |
3218 | return TRUE; | |
3219 | } | |
3220 | ||
3221 | open_view(view, request, flags); | |
69efc854 JF |
3222 | if (request == REQ_VIEW_TREE) { |
3223 | view->lineno = tree_lineno; | |
3224 | } | |
e733ee54 | 3225 | |
586c423d | 3226 | return REQ_NONE; |
e733ee54 JF |
3227 | } |
3228 | ||
d720de4b JF |
3229 | static void |
3230 | tree_select(struct view *view, struct line *line) | |
3231 | { | |
9295982a | 3232 | char *text = (char *)line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3233 | |
3234 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3235 | string_copy_rev(ref_blob, text); |
d720de4b | 3236 | |
ebbaf4fe JF |
3237 | } else if (line->type != LINE_TREE_DIR) { |
3238 | return; | |
d720de4b | 3239 | } |
ebbaf4fe | 3240 | |
2463b4ea | 3241 | string_copy_rev(view->ref, text); |
d720de4b JF |
3242 | } |
3243 | ||
e733ee54 JF |
3244 | static struct view_ops tree_ops = { |
3245 | "file", | |
f098944b | 3246 | NULL, |
e733ee54 | 3247 | tree_read, |
f098944b | 3248 | pager_draw, |
586c423d | 3249 | tree_request, |
e733ee54 | 3250 | pager_grep, |
d720de4b | 3251 | tree_select, |
e733ee54 JF |
3252 | }; |
3253 | ||
3254 | static bool | |
3255 | blob_read(struct view *view, char *line) | |
3256 | { | |
a2d5d9ef JF |
3257 | if (!line) |
3258 | return TRUE; | |
c115e7ac | 3259 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3260 | } |
3261 | ||
3262 | static struct view_ops blob_ops = { | |
3263 | "line", | |
f098944b | 3264 | NULL, |
e733ee54 | 3265 | blob_read, |
f098944b | 3266 | pager_draw, |
586c423d | 3267 | pager_request, |
e733ee54 | 3268 | pager_grep, |
d720de4b | 3269 | pager_select, |
e733ee54 JF |
3270 | }; |
3271 | ||
8a680988 JF |
3272 | /* |
3273 | * Blame backend | |
3274 | * | |
3275 | * Loading the blame view is a two phase job: | |
3276 | * | |
a2d5d9ef | 3277 | * 1. File content is read either using opt_file from the |
8a680988 JF |
3278 | * filesystem or using git-cat-file. |
3279 | * 2. Then blame information is incrementally added by | |
3280 | * reading output from git-blame. | |
3281 | */ | |
3282 | ||
3283 | struct blame_commit { | |
3284 | char id[SIZEOF_REV]; /* SHA1 ID. */ | |
3285 | char title[128]; /* First line of the commit message. */ | |
3286 | char author[75]; /* Author of the commit. */ | |
3287 | struct tm time; /* Date from the author ident. */ | |
3288 | char filename[128]; /* Name of file. */ | |
3289 | }; | |
3290 | ||
3291 | struct blame { | |
3292 | struct blame_commit *commit; | |
3293 | unsigned int header:1; | |
3294 | char text[1]; | |
3295 | }; | |
3296 | ||
3297 | #define BLAME_CAT_FILE_CMD "git cat-file blob %s:%s" | |
3298 | #define BLAME_INCREMENTAL_CMD "git blame --incremental %s %s" | |
3299 | ||
3300 | static bool | |
3301 | blame_open(struct view *view) | |
3302 | { | |
3303 | char path[SIZEOF_STR]; | |
3304 | char ref[SIZEOF_STR] = ""; | |
3305 | ||
a2d5d9ef | 3306 | if (sq_quote(path, 0, opt_file) >= sizeof(path)) |
8a680988 JF |
3307 | return FALSE; |
3308 | ||
3309 | if (*opt_ref && sq_quote(ref, 0, opt_ref) >= sizeof(ref)) | |
3310 | return FALSE; | |
3311 | ||
3312 | if (*opt_ref) { | |
3313 | if (!string_format(view->cmd, BLAME_CAT_FILE_CMD, ref, path)) | |
3314 | return FALSE; | |
3315 | } else { | |
a2d5d9ef | 3316 | view->pipe = fopen(opt_file, "r"); |
8a680988 JF |
3317 | if (!view->pipe && |
3318 | !string_format(view->cmd, BLAME_CAT_FILE_CMD, "HEAD", path)) | |
3319 | return FALSE; | |
3320 | } | |
3321 | ||
3322 | if (!view->pipe) | |
3323 | view->pipe = popen(view->cmd, "r"); | |
3324 | if (!view->pipe) | |
3325 | return FALSE; | |
3326 | ||
3327 | if (!string_format(view->cmd, BLAME_INCREMENTAL_CMD, ref, path)) | |
3328 | return FALSE; | |
3329 | ||
a2d5d9ef JF |
3330 | string_format(view->ref, "%s ...", opt_file); |
3331 | string_copy_rev(view->vid, opt_file); | |
8a680988 JF |
3332 | set_nonblocking_input(TRUE); |
3333 | ||
3334 | if (view->line) { | |
3335 | int i; | |
3336 | ||
3337 | for (i = 0; i < view->lines; i++) | |
3338 | free(view->line[i].data); | |
3339 | free(view->line); | |
3340 | } | |
3341 | ||
3342 | view->lines = view->line_alloc = view->line_size = view->lineno = 0; | |
3343 | view->offset = view->lines = view->lineno = 0; | |
3344 | view->line = NULL; | |
3345 | view->start_time = time(NULL); | |
442cbee3 JF |
3346 | |
3347 | return TRUE; | |
8a680988 JF |
3348 | } |
3349 | ||
3350 | static struct blame_commit * | |
3351 | get_blame_commit(struct view *view, const char *id) | |
3352 | { | |
3353 | size_t i; | |
3354 | ||
3355 | for (i = 0; i < view->lines; i++) { | |
3356 | struct blame *blame = view->line[i].data; | |
3357 | ||
3358 | if (!blame->commit) | |
3359 | continue; | |
3360 | ||
3361 | if (!strncmp(blame->commit->id, id, SIZEOF_REV - 1)) | |
3362 | return blame->commit; | |
3363 | } | |
3364 | ||
3365 | { | |
3366 | struct blame_commit *commit = calloc(1, sizeof(*commit)); | |
3367 | ||
3368 | if (commit) | |
3369 | string_ncopy(commit->id, id, SIZEOF_REV); | |
3370 | return commit; | |
3371 | } | |
3372 | } | |
3373 | ||
3374 | static bool | |
3375 | parse_number(char **posref, size_t *number, size_t min, size_t max) | |
3376 | { | |
3377 | char *pos = *posref; | |
3378 | ||
3379 | *posref = NULL; | |
3380 | pos = strchr(pos + 1, ' '); | |
3381 | if (!pos || !isdigit(pos[1])) | |
3382 | return FALSE; | |
3383 | *number = atoi(pos + 1); | |
3384 | if (*number < min || *number > max) | |
3385 | return FALSE; | |
3386 | ||
3387 | *posref = pos; | |
3388 | return TRUE; | |
3389 | } | |
3390 | ||
3391 | static struct blame_commit * | |
3392 | parse_blame_commit(struct view *view, char *text, int *blamed) | |
3393 | { | |
3394 | struct blame_commit *commit; | |
3395 | struct blame *blame; | |
3396 | char *pos = text + SIZEOF_REV - 1; | |
3397 | size_t lineno; | |
3398 | size_t group; | |
8a680988 JF |
3399 | |
3400 | if (strlen(text) <= SIZEOF_REV || *pos != ' ') | |
3401 | return NULL; | |
3402 | ||
3403 | if (!parse_number(&pos, &lineno, 1, view->lines) || | |
3404 | !parse_number(&pos, &group, 1, view->lines - lineno + 1)) | |
3405 | return NULL; | |
3406 | ||
3407 | commit = get_blame_commit(view, text); | |
3408 | if (!commit) | |
3409 | return NULL; | |
3410 | ||
3411 | *blamed += group; | |
3412 | while (group--) { | |
3413 | struct line *line = &view->line[lineno + group - 1]; | |
3414 | ||
3415 | blame = line->data; | |
3416 | blame->commit = commit; | |
76724178 | 3417 | blame->header = !group; |
8a680988 JF |
3418 | line->dirty = 1; |
3419 | } | |
8a680988 JF |
3420 | |
3421 | return commit; | |
3422 | } | |
3423 | ||
3424 | static bool | |
3425 | blame_read_file(struct view *view, char *line) | |
3426 | { | |
3427 | if (!line) { | |
3428 | FILE *pipe = NULL; | |
3429 | ||
3430 | if (view->lines > 0) | |
3431 | pipe = popen(view->cmd, "r"); | |
3432 | view->cmd[0] = 0; | |
3433 | if (!pipe) { | |
3434 | report("Failed to load blame data"); | |
3435 | return TRUE; | |
3436 | } | |
3437 | ||
3438 | fclose(view->pipe); | |
3439 | view->pipe = pipe; | |
3440 | return FALSE; | |
3441 | ||
3442 | } else { | |
3443 | size_t linelen = strlen(line); | |
3444 | struct blame *blame = malloc(sizeof(*blame) + linelen); | |
3445 | ||
3446 | if (!line) | |
3447 | return FALSE; | |
3448 | ||
3449 | blame->commit = NULL; | |
3450 | strncpy(blame->text, line, linelen); | |
3451 | blame->text[linelen] = 0; | |
3452 | return add_line_data(view, blame, LINE_BLAME_COMMIT) != NULL; | |
3453 | } | |
3454 | } | |
3455 | ||
3456 | static bool | |
3457 | match_blame_header(const char *name, char **line) | |
3458 | { | |
3459 | size_t namelen = strlen(name); | |
3460 | bool matched = !strncmp(name, *line, namelen); | |
3461 | ||
3462 | if (matched) | |
3463 | *line += namelen; | |
3464 | ||
3465 | return matched; | |
3466 | } | |
3467 | ||
3468 | static bool | |
3469 | blame_read(struct view *view, char *line) | |
3470 | { | |
3471 | static struct blame_commit *commit = NULL; | |
3472 | static int blamed = 0; | |
3473 | static time_t author_time; | |
3474 | ||
3475 | if (*view->cmd) | |
3476 | return blame_read_file(view, line); | |
3477 | ||
3478 | if (!line) { | |
3479 | /* Reset all! */ | |
3480 | commit = NULL; | |
3481 | blamed = 0; | |
3482 | string_format(view->ref, "%s", view->vid); | |
3483 | if (view_is_displayed(view)) { | |
3484 | update_view_title(view); | |
3485 | redraw_view_from(view, 0); | |
3486 | } | |
3487 | return TRUE; | |
3488 | } | |
3489 | ||
3490 | if (!commit) { | |
3491 | commit = parse_blame_commit(view, line, &blamed); | |
3492 | string_format(view->ref, "%s %2d%%", view->vid, | |
3493 | blamed * 100 / view->lines); | |
3494 | ||
3495 | } else if (match_blame_header("author ", &line)) { | |
3496 | string_ncopy(commit->author, line, strlen(line)); | |
3497 | ||
3498 | } else if (match_blame_header("author-time ", &line)) { | |
3499 | author_time = (time_t) atol(line); | |
3500 | ||
3501 | } else if (match_blame_header("author-tz ", &line)) { | |
3502 | long tz; | |
3503 | ||
3504 | tz = ('0' - line[1]) * 60 * 60 * 10; | |
3505 | tz += ('0' - line[2]) * 60 * 60; | |
3506 | tz += ('0' - line[3]) * 60; | |
3507 | tz += ('0' - line[4]) * 60; | |
3508 | ||
3509 | if (line[0] == '-') | |
3510 | tz = -tz; | |
3511 | ||
3512 | author_time -= tz; | |
3513 | gmtime_r(&author_time, &commit->time); | |
3514 | ||
3515 | } else if (match_blame_header("summary ", &line)) { | |
3516 | string_ncopy(commit->title, line, strlen(line)); | |
3517 | ||
3518 | } else if (match_blame_header("filename ", &line)) { | |
3519 | string_ncopy(commit->filename, line, strlen(line)); | |
3520 | commit = NULL; | |
3521 | } | |
3522 | ||
3523 | return TRUE; | |
3524 | } | |
3525 | ||
3526 | static bool | |
3527 | blame_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3528 | { | |
8a680988 JF |
3529 | struct blame *blame = line->data; |
3530 | int col = 0; | |
3531 | ||
3532 | wmove(view->win, lineno, 0); | |
3533 | ||
3534 | if (selected) { | |
3535 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3536 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3537 | } else { | |
3538 | wattrset(view->win, A_NORMAL); | |
8a680988 JF |
3539 | } |
3540 | ||
3541 | if (opt_date) { | |
3542 | int n; | |
3543 | ||
3544 | if (!selected) | |
3545 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3546 | if (blame->commit) { | |
3547 | char buf[DATE_COLS + 1]; | |
3548 | int timelen; | |
3549 | ||
3550 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &blame->commit->time); | |
de46362f JF |
3551 | n = draw_text(view, buf, view->width - col, FALSE, selected); |
3552 | draw_text(view, " ", view->width - col - n, FALSE, selected); | |
8a680988 JF |
3553 | } |
3554 | ||
3555 | col += DATE_COLS; | |
3556 | wmove(view->win, lineno, col); | |
3557 | if (col >= view->width) | |
3558 | return TRUE; | |
3559 | } | |
3560 | ||
3561 | if (opt_author) { | |
3562 | int max = MIN(AUTHOR_COLS - 1, view->width - col); | |
3563 | ||
3564 | if (!selected) | |
3565 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3566 | if (blame->commit) | |
de46362f | 3567 | draw_text(view, blame->commit->author, max, TRUE, selected); |
8a680988 JF |
3568 | col += AUTHOR_COLS; |
3569 | if (col >= view->width) | |
3570 | return TRUE; | |
3571 | wmove(view->win, lineno, col); | |
3572 | } | |
3573 | ||
3574 | { | |
3575 | int max = MIN(ID_COLS - 1, view->width - col); | |
3576 | ||
3577 | if (!selected) | |
3578 | wattrset(view->win, get_line_attr(LINE_BLAME_ID)); | |
3579 | if (blame->commit) | |
3580 | draw_text(view, blame->commit->id, max, FALSE, -1); | |
3581 | col += ID_COLS; | |
3582 | if (col >= view->width) | |
3583 | return TRUE; | |
3584 | wmove(view->win, lineno, col); | |
3585 | } | |
3586 | ||
3587 | { | |
3588 | unsigned long real_lineno = view->offset + lineno + 1; | |
3589 | char number[10] = " "; | |
3590 | int max = MIN(view->digits, STRING_SIZE(number)); | |
3591 | bool showtrimmed = FALSE; | |
3592 | ||
3593 | if (real_lineno == 1 || | |
3594 | (real_lineno % opt_num_interval) == 0) { | |
3595 | char fmt[] = "%1ld"; | |
3596 | ||
3597 | if (view->digits <= 9) | |
3598 | fmt[1] = '0' + view->digits; | |
3599 | ||
3600 | if (!string_format(number, fmt, real_lineno)) | |
3601 | number[0] = 0; | |
3602 | showtrimmed = TRUE; | |
3603 | } | |
3604 | ||
3605 | if (max > view->width - col) | |
3606 | max = view->width - col; | |
3607 | if (!selected) | |
3608 | wattrset(view->win, get_line_attr(LINE_BLAME_LINENO)); | |
de46362f | 3609 | col += draw_text(view, number, max, showtrimmed, selected); |
8a680988 JF |
3610 | if (col >= view->width) |
3611 | return TRUE; | |
3612 | } | |
3613 | ||
3614 | if (!selected) | |
3615 | wattrset(view->win, A_NORMAL); | |
3616 | ||
3617 | if (col >= view->width) | |
3618 | return TRUE; | |
3619 | waddch(view->win, ACS_VLINE); | |
3620 | col++; | |
3621 | if (col >= view->width) | |
3622 | return TRUE; | |
3623 | waddch(view->win, ' '); | |
3624 | col++; | |
de46362f | 3625 | col += draw_text(view, blame->text, view->width - col, TRUE, selected); |
8a680988 JF |
3626 | |
3627 | return TRUE; | |
3628 | } | |
3629 | ||
3630 | static enum request | |
3631 | blame_request(struct view *view, enum request request, struct line *line) | |
3632 | { | |
3633 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; | |
3634 | struct blame *blame = line->data; | |
3635 | ||
3636 | switch (request) { | |
3637 | case REQ_ENTER: | |
3638 | if (!blame->commit) { | |
3639 | report("No commit loaded yet"); | |
3640 | break; | |
3641 | } | |
3642 | ||
22d9b77c | 3643 | if (!strcmp(blame->commit->id, NULL_ID)) { |
8a680988 JF |
3644 | char path[SIZEOF_STR]; |
3645 | ||
3646 | if (sq_quote(path, 0, view->vid) >= sizeof(path)) | |
3647 | break; | |
3648 | string_format(opt_cmd, "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s 2>/dev/null", path); | |
3649 | } | |
3650 | ||
3651 | open_view(view, REQ_VIEW_DIFF, flags); | |
3652 | break; | |
3653 | ||
3654 | default: | |
3655 | return request; | |
3656 | } | |
3657 | ||
3658 | return REQ_NONE; | |
3659 | } | |
3660 | ||
3661 | static bool | |
3662 | blame_grep(struct view *view, struct line *line) | |
3663 | { | |
3664 | struct blame *blame = line->data; | |
3665 | struct blame_commit *commit = blame->commit; | |
3666 | regmatch_t pmatch; | |
3667 | ||
3668 | #define MATCH(text) \ | |
3669 | (*text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3670 | ||
3671 | if (commit) { | |
3672 | char buf[DATE_COLS + 1]; | |
3673 | ||
3674 | if (MATCH(commit->title) || | |
3675 | MATCH(commit->author) || | |
3676 | MATCH(commit->id)) | |
3677 | return TRUE; | |
3678 | ||
3679 | if (strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time) && | |
3680 | MATCH(buf)) | |
3681 | return TRUE; | |
3682 | } | |
3683 | ||
3684 | return MATCH(blame->text); | |
3685 | ||
3686 | #undef MATCH | |
3687 | } | |
3688 | ||
3689 | static void | |
3690 | blame_select(struct view *view, struct line *line) | |
3691 | { | |
3692 | struct blame *blame = line->data; | |
3693 | struct blame_commit *commit = blame->commit; | |
3694 | ||
3695 | if (!commit) | |
3696 | return; | |
3697 | ||
22d9b77c | 3698 | if (!strcmp(commit->id, NULL_ID)) |
8a680988 JF |
3699 | string_ncopy(ref_commit, "HEAD", 4); |
3700 | else | |
3701 | string_copy_rev(ref_commit, commit->id); | |
3702 | } | |
3703 | ||
3704 | static struct view_ops blame_ops = { | |
3705 | "line", | |
3706 | blame_open, | |
3707 | blame_read, | |
3708 | blame_draw, | |
3709 | blame_request, | |
3710 | blame_grep, | |
3711 | blame_select, | |
3712 | }; | |
e733ee54 JF |
3713 | |
3714 | /* | |
173d76ea JF |
3715 | * Status backend |
3716 | */ | |
3717 | ||
3718 | struct status { | |
3719 | char status; | |
3720 | struct { | |
3721 | mode_t mode; | |
3722 | char rev[SIZEOF_REV]; | |
5ba030cf | 3723 | char name[SIZEOF_STR]; |
173d76ea JF |
3724 | } old; |
3725 | struct { | |
3726 | mode_t mode; | |
3727 | char rev[SIZEOF_REV]; | |
5ba030cf | 3728 | char name[SIZEOF_STR]; |
173d76ea | 3729 | } new; |
173d76ea JF |
3730 | }; |
3731 | ||
f5a5e640 | 3732 | static char status_onbranch[SIZEOF_STR]; |
b33611d8 JF |
3733 | static struct status stage_status; |
3734 | static enum line_type stage_line_type; | |
3735 | ||
173d76ea JF |
3736 | /* Get fields from the diff line: |
3737 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3738 | */ | |
3739 | static inline bool | |
3740 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3741 | { | |
3742 | char *old_mode = buf + 1; | |
3743 | char *new_mode = buf + 8; | |
3744 | char *old_rev = buf + 15; | |
3745 | char *new_rev = buf + 56; | |
3746 | char *status = buf + 97; | |
3747 | ||
5ba030cf | 3748 | if (bufsize < 99 || |
173d76ea JF |
3749 | old_mode[-1] != ':' || |
3750 | new_mode[-1] != ' ' || | |
3751 | old_rev[-1] != ' ' || | |
3752 | new_rev[-1] != ' ' || | |
3753 | status[-1] != ' ') | |
3754 | return FALSE; | |
3755 | ||
3756 | file->status = *status; | |
3757 | ||
3758 | string_copy_rev(file->old.rev, old_rev); | |
3759 | string_copy_rev(file->new.rev, new_rev); | |
3760 | ||
3761 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3762 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3763 | ||
5ba030cf | 3764 | file->old.name[0] = file->new.name[0] = 0; |
173d76ea JF |
3765 | |
3766 | return TRUE; | |
3767 | } | |
3768 | ||
3769 | static bool | |
22d9b77c | 3770 | status_run(struct view *view, const char cmd[], char status, enum line_type type) |
173d76ea JF |
3771 | { |
3772 | struct status *file = NULL; | |
b5c18d9d | 3773 | struct status *unmerged = NULL; |
173d76ea JF |
3774 | char buf[SIZEOF_STR * 4]; |
3775 | size_t bufsize = 0; | |
3776 | FILE *pipe; | |
3777 | ||
3778 | pipe = popen(cmd, "r"); | |
3779 | if (!pipe) | |
3780 | return FALSE; | |
3781 | ||
3782 | add_line_data(view, NULL, type); | |
3783 | ||
3784 | while (!feof(pipe) && !ferror(pipe)) { | |
3785 | char *sep; | |
3786 | size_t readsize; | |
3787 | ||
3788 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3789 | if (!readsize) | |
3790 | break; | |
3791 | bufsize += readsize; | |
3792 | ||
3793 | /* Process while we have NUL chars. */ | |
3794 | while ((sep = memchr(buf, 0, bufsize))) { | |
3795 | size_t sepsize = sep - buf + 1; | |
3796 | ||
3797 | if (!file) { | |
3798 | if (!realloc_lines(view, view->line_size + 1)) | |
3799 | goto error_out; | |
3800 | ||
3801 | file = calloc(1, sizeof(*file)); | |
3802 | if (!file) | |
3803 | goto error_out; | |
3804 | ||
3805 | add_line_data(view, file, type); | |
3806 | } | |
3807 | ||
3808 | /* Parse diff info part. */ | |
22d9b77c JF |
3809 | if (status) { |
3810 | file->status = status; | |
3811 | if (status == 'A') | |
3812 | string_copy(file->old.rev, NULL_ID); | |
173d76ea JF |
3813 | |
3814 | } else if (!file->status) { | |
3815 | if (!status_get_diff(file, buf, sepsize)) | |
3816 | goto error_out; | |
3817 | ||
3818 | bufsize -= sepsize; | |
3819 | memmove(buf, sep + 1, bufsize); | |
3820 | ||
3821 | sep = memchr(buf, 0, bufsize); | |
3822 | if (!sep) | |
3823 | break; | |
3824 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3825 | |
3826 | /* Collapse all 'M'odified entries that | |
3827 | * follow a associated 'U'nmerged entry. | |
3828 | */ | |
3829 | if (file->status == 'U') { | |
3830 | unmerged = file; | |
3831 | ||
3832 | } else if (unmerged) { | |
5ba030cf | 3833 | int collapse = !strcmp(buf, unmerged->new.name); |
b5c18d9d JF |
3834 | |
3835 | unmerged = NULL; | |
3836 | if (collapse) { | |
3837 | free(file); | |
3838 | view->lines--; | |
3839 | continue; | |
3840 | } | |
3841 | } | |
173d76ea JF |
3842 | } |
3843 | ||
5ba030cf JF |
3844 | /* Grab the old name for rename/copy. */ |
3845 | if (!*file->old.name && | |
3846 | (file->status == 'R' || file->status == 'C')) { | |
3847 | sepsize = sep - buf + 1; | |
3848 | string_ncopy(file->old.name, buf, sepsize); | |
3849 | bufsize -= sepsize; | |
3850 | memmove(buf, sep + 1, bufsize); | |
3851 | ||
3852 | sep = memchr(buf, 0, bufsize); | |
3853 | if (!sep) | |
3854 | break; | |
3855 | sepsize = sep - buf + 1; | |
3856 | } | |
3857 | ||
173d76ea JF |
3858 | /* git-ls-files just delivers a NUL separated |
3859 | * list of file names similar to the second half | |
3860 | * of the git-diff-* output. */ | |
5ba030cf JF |
3861 | string_ncopy(file->new.name, buf, sepsize); |
3862 | if (!*file->old.name) | |
3863 | string_copy(file->old.name, file->new.name); | |
173d76ea JF |
3864 | bufsize -= sepsize; |
3865 | memmove(buf, sep + 1, bufsize); | |
3866 | file = NULL; | |
3867 | } | |
3868 | } | |
3869 | ||
3870 | if (ferror(pipe)) { | |
3871 | error_out: | |
3872 | pclose(pipe); | |
3873 | return FALSE; | |
3874 | } | |
3875 | ||
3876 | if (!view->line[view->lines - 1].data) | |
3877 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3878 | ||
3879 | pclose(pipe); | |
3880 | return TRUE; | |
3881 | } | |
3882 | ||
b5c18d9d | 3883 | /* Don't show unmerged entries in the staged section. */ |
5ba030cf | 3884 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD" |
b1744cbe | 3885 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
173d76ea | 3886 | #define STATUS_LIST_OTHER_CMD \ |
810f0078 | 3887 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
22d9b77c JF |
3888 | #define STATUS_LIST_NO_HEAD_CMD \ |
3889 | "git ls-files -z --cached --exclude-per-directory=.gitignore" | |
173d76ea | 3890 | |
f99c6095 | 3891 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
5ba030cf | 3892 | "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null" |
f99c6095 JF |
3893 | |
3894 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
5ba030cf | 3895 | "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null" |
89d917a2 | 3896 | |
22d9b77c JF |
3897 | #define STATUS_DIFF_NO_HEAD_SHOW_CMD \ |
3898 | "git diff --no-color --patch-with-stat /dev/null %s 2>/dev/null" | |
3899 | ||
173d76ea JF |
3900 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3901 | * info using git-diff-files(1), and finally untracked files using | |
3902 | * git-ls-files(1). */ | |
3903 | static bool | |
3904 | status_open(struct view *view) | |
3905 | { | |
810f0078 JF |
3906 | struct stat statbuf; |
3907 | char exclude[SIZEOF_STR]; | |
22d9b77c JF |
3908 | char indexcmd[SIZEOF_STR] = STATUS_DIFF_INDEX_CMD; |
3909 | char othercmd[SIZEOF_STR] = STATUS_LIST_OTHER_CMD; | |
12e8c2be | 3910 | unsigned long prev_lineno = view->lineno; |
22d9b77c | 3911 | char indexstatus = 0; |
173d76ea JF |
3912 | size_t i; |
3913 | ||
3914 | for (i = 0; i < view->lines; i++) | |
3915 | free(view->line[i].data); | |
3916 | free(view->line); | |
518234f1 | 3917 | view->lines = view->line_alloc = view->line_size = view->lineno = 0; |
173d76ea JF |
3918 | view->line = NULL; |
3919 | ||
f5a5e640 JF |
3920 | if (!realloc_lines(view, view->line_size + 7)) |
3921 | return FALSE; | |
3922 | ||
3923 | add_line_data(view, NULL, LINE_STAT_HEAD); | |
22d9b77c JF |
3924 | if (opt_no_head) |
3925 | string_copy(status_onbranch, "Initial commit"); | |
3926 | else if (!*opt_head) | |
f5a5e640 JF |
3927 | string_copy(status_onbranch, "Not currently on any branch"); |
3928 | else if (!string_format(status_onbranch, "On branch %s", opt_head)) | |
173d76ea JF |
3929 | return FALSE; |
3930 | ||
22d9b77c JF |
3931 | if (opt_no_head) { |
3932 | string_copy(indexcmd, STATUS_LIST_NO_HEAD_CMD); | |
3933 | indexstatus = 'A'; | |
3934 | } | |
3935 | ||
810f0078 JF |
3936 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3937 | return FALSE; | |
3938 | ||
810f0078 | 3939 | if (stat(exclude, &statbuf) >= 0) { |
22d9b77c JF |
3940 | size_t cmdsize = strlen(othercmd); |
3941 | ||
3942 | if (!string_format_from(othercmd, &cmdsize, " %s", "--exclude-from=") || | |
3943 | sq_quote(othercmd, cmdsize, exclude) >= sizeof(othercmd)) | |
3944 | return FALSE; | |
810f0078 | 3945 | |
22d9b77c JF |
3946 | cmdsize = strlen(indexcmd); |
3947 | if (opt_no_head && | |
3948 | (!string_format_from(indexcmd, &cmdsize, " %s", "--exclude-from=") || | |
3949 | sq_quote(indexcmd, cmdsize, exclude) >= sizeof(indexcmd))) | |
810f0078 JF |
3950 | return FALSE; |
3951 | } | |
3952 | ||
b1744cbe JF |
3953 | system("git update-index -q --refresh"); |
3954 | ||
22d9b77c JF |
3955 | if (!status_run(view, indexcmd, indexstatus, LINE_STAT_STAGED) || |
3956 | !status_run(view, STATUS_DIFF_FILES_CMD, 0, LINE_STAT_UNSTAGED) || | |
3957 | !status_run(view, othercmd, '?', LINE_STAT_UNTRACKED)) | |
173d76ea JF |
3958 | return FALSE; |
3959 | ||
12e8c2be | 3960 | /* If all went well restore the previous line number to stay in |
f5a5e640 JF |
3961 | * the context or select a line with something that can be |
3962 | * updated. */ | |
3963 | if (prev_lineno >= view->lines) | |
3964 | prev_lineno = view->lines - 1; | |
3965 | while (prev_lineno < view->lines && !view->line[prev_lineno].data) | |
3966 | prev_lineno++; | |
31862819 JF |
3967 | while (prev_lineno > 0 && !view->line[prev_lineno].data) |
3968 | prev_lineno--; | |
f5a5e640 JF |
3969 | |
3970 | /* If the above fails, always skip the "On branch" line. */ | |
12e8c2be JF |
3971 | if (prev_lineno < view->lines) |
3972 | view->lineno = prev_lineno; | |
3973 | else | |
f5a5e640 | 3974 | view->lineno = 1; |
12e8c2be | 3975 | |
31862819 JF |
3976 | if (view->lineno < view->offset) |
3977 | view->offset = view->lineno; | |
3978 | else if (view->offset + view->height <= view->lineno) | |
3979 | view->offset = view->lineno - view->height + 1; | |
3980 | ||
173d76ea JF |
3981 | return TRUE; |
3982 | } | |
3983 | ||
3984 | static bool | |
3985 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3986 | { | |
3987 | struct status *status = line->data; | |
3988 | ||
3989 | wmove(view->win, lineno, 0); | |
3990 | ||
3991 | if (selected) { | |
3992 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3993 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3994 | ||
f5a5e640 JF |
3995 | } else if (line->type == LINE_STAT_HEAD) { |
3996 | wattrset(view->win, get_line_attr(LINE_STAT_HEAD)); | |
3997 | wchgat(view->win, -1, 0, LINE_STAT_HEAD, NULL); | |
3998 | ||
173d76ea JF |
3999 | } else if (!status && line->type != LINE_STAT_NONE) { |
4000 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
4001 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
4002 | ||
4003 | } else { | |
4004 | wattrset(view->win, get_line_attr(line->type)); | |
4005 | } | |
4006 | ||
4007 | if (!status) { | |
4008 | char *text; | |
4009 | ||
4010 | switch (line->type) { | |
4011 | case LINE_STAT_STAGED: | |
4012 | text = "Changes to be committed:"; | |
4013 | break; | |
4014 | ||
4015 | case LINE_STAT_UNSTAGED: | |
4016 | text = "Changed but not updated:"; | |
4017 | break; | |
4018 | ||
4019 | case LINE_STAT_UNTRACKED: | |
4020 | text = "Untracked files:"; | |
4021 | break; | |
4022 | ||
4023 | case LINE_STAT_NONE: | |
4024 | text = " (no files)"; | |
4025 | break; | |
4026 | ||
f5a5e640 JF |
4027 | case LINE_STAT_HEAD: |
4028 | text = status_onbranch; | |
4029 | break; | |
4030 | ||
173d76ea JF |
4031 | default: |
4032 | return FALSE; | |
4033 | } | |
4034 | ||
de46362f | 4035 | draw_text(view, text, view->width, TRUE, selected); |
173d76ea JF |
4036 | return TRUE; |
4037 | } | |
4038 | ||
4039 | waddch(view->win, status->status); | |
4040 | if (!selected) | |
4041 | wattrset(view->win, A_NORMAL); | |
4042 | wmove(view->win, lineno, 4); | |
749cdc92 JF |
4043 | if (view->width < 5) |
4044 | return TRUE; | |
173d76ea | 4045 | |
de46362f | 4046 | draw_text(view, status->new.name, view->width - 5, TRUE, selected); |
173d76ea JF |
4047 | return TRUE; |
4048 | } | |
4049 | ||
586c423d | 4050 | static enum request |
88f66e2d | 4051 | status_enter(struct view *view, struct line *line) |
173d76ea | 4052 | { |
89d917a2 | 4053 | struct status *status = line->data; |
5ba030cf JF |
4054 | char oldpath[SIZEOF_STR] = ""; |
4055 | char newpath[SIZEOF_STR] = ""; | |
89d917a2 JF |
4056 | char *info; |
4057 | size_t cmdsize = 0; | |
4058 | ||
4e8159cf JF |
4059 | if (line->type == LINE_STAT_NONE || |
4060 | (!status && line[1].type == LINE_STAT_NONE)) { | |
4061 | report("No file to diff"); | |
586c423d | 4062 | return REQ_NONE; |
89d917a2 JF |
4063 | } |
4064 | ||
5ba030cf JF |
4065 | if (status) { |
4066 | if (sq_quote(oldpath, 0, status->old.name) >= sizeof(oldpath)) | |
4067 | return REQ_QUIT; | |
4068 | /* Diffs for unmerged entries are empty when pasing the | |
4069 | * new path, so leave it empty. */ | |
4070 | if (status->status != 'U' && | |
4071 | sq_quote(newpath, 0, status->new.name) >= sizeof(newpath)) | |
4072 | return REQ_QUIT; | |
4073 | } | |
89d917a2 JF |
4074 | |
4075 | if (opt_cdup[0] && | |
4076 | line->type != LINE_STAT_UNTRACKED && | |
4077 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 4078 | return REQ_QUIT; |
89d917a2 JF |
4079 | |
4080 | switch (line->type) { | |
4081 | case LINE_STAT_STAGED: | |
22d9b77c JF |
4082 | if (opt_no_head) { |
4083 | if (!string_format_from(opt_cmd, &cmdsize, | |
4084 | STATUS_DIFF_NO_HEAD_SHOW_CMD, | |
4085 | newpath)) | |
4086 | return REQ_QUIT; | |
4087 | } else { | |
4088 | if (!string_format_from(opt_cmd, &cmdsize, | |
4089 | STATUS_DIFF_INDEX_SHOW_CMD, | |
4090 | oldpath, newpath)) | |
4091 | return REQ_QUIT; | |
4092 | } | |
4093 | ||
4e8159cf JF |
4094 | if (status) |
4095 | info = "Staged changes to %s"; | |
4096 | else | |
4097 | info = "Staged changes"; | |
89d917a2 JF |
4098 | break; |
4099 | ||
4100 | case LINE_STAT_UNSTAGED: | |
f99c6095 | 4101 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 4102 | STATUS_DIFF_FILES_SHOW_CMD, oldpath, newpath)) |
586c423d | 4103 | return REQ_QUIT; |
4e8159cf JF |
4104 | if (status) |
4105 | info = "Unstaged changes to %s"; | |
4106 | else | |
4107 | info = "Unstaged changes"; | |
89d917a2 JF |
4108 | break; |
4109 | ||
4110 | case LINE_STAT_UNTRACKED: | |
4111 | if (opt_pipe) | |
586c423d JF |
4112 | return REQ_QUIT; |
4113 | ||
4e8159cf JF |
4114 | if (!status) { |
4115 | report("No file to show"); | |
586c423d | 4116 | return REQ_NONE; |
4e8159cf JF |
4117 | } |
4118 | ||
5ba030cf | 4119 | opt_pipe = fopen(status->new.name, "r"); |
89d917a2 JF |
4120 | info = "Untracked file %s"; |
4121 | break; | |
4122 | ||
f5a5e640 JF |
4123 | case LINE_STAT_HEAD: |
4124 | return REQ_NONE; | |
4125 | ||
89d917a2 | 4126 | default: |
e77aa656 | 4127 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
4128 | } |
4129 | ||
3e634113 JF |
4130 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
4131 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
4132 | if (status) { |
4133 | stage_status = *status; | |
4134 | } else { | |
4135 | memset(&stage_status, 0, sizeof(stage_status)); | |
4136 | } | |
4137 | ||
4138 | stage_line_type = line->type; | |
5ba030cf | 4139 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name); |
89d917a2 JF |
4140 | } |
4141 | ||
586c423d | 4142 | return REQ_NONE; |
ca1d71ea JF |
4143 | } |
4144 | ||
88f66e2d | 4145 | |
cbbd7f62 JF |
4146 | static FILE * |
4147 | status_update_prepare(enum line_type type) | |
ca1d71ea | 4148 | { |
91c5d983 | 4149 | char cmd[SIZEOF_STR]; |
91c5d983 | 4150 | size_t cmdsize = 0; |
173d76ea | 4151 | |
91c5d983 | 4152 | if (opt_cdup[0] && |
ca1d71ea | 4153 | type != LINE_STAT_UNTRACKED && |
91c5d983 | 4154 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
cbbd7f62 JF |
4155 | return NULL; |
4156 | ||
4157 | switch (type) { | |
4158 | case LINE_STAT_STAGED: | |
4159 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
4160 | break; | |
4161 | ||
4162 | case LINE_STAT_UNSTAGED: | |
4163 | case LINE_STAT_UNTRACKED: | |
4164 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
4165 | break; | |
4166 | ||
4167 | default: | |
4168 | die("line type %d not handled in switch", type); | |
4169 | } | |
4170 | ||
4171 | return popen(cmd, "w"); | |
4172 | } | |
4173 | ||
4174 | static bool | |
4175 | status_update_write(FILE *pipe, struct status *status, enum line_type type) | |
4176 | { | |
4177 | char buf[SIZEOF_STR]; | |
4178 | size_t bufsize = 0; | |
4179 | size_t written = 0; | |
91c5d983 | 4180 | |
ca1d71ea | 4181 | switch (type) { |
173d76ea JF |
4182 | case LINE_STAT_STAGED: |
4183 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
cbbd7f62 | 4184 | status->old.mode, |
173d76ea | 4185 | status->old.rev, |
5ba030cf | 4186 | status->old.name, 0)) |
173d76ea | 4187 | return FALSE; |
173d76ea JF |
4188 | break; |
4189 | ||
4190 | case LINE_STAT_UNSTAGED: | |
4191 | case LINE_STAT_UNTRACKED: | |
5ba030cf | 4192 | if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0)) |
173d76ea | 4193 | return FALSE; |
173d76ea JF |
4194 | break; |
4195 | ||
4196 | default: | |
e77aa656 | 4197 | die("line type %d not handled in switch", type); |
173d76ea JF |
4198 | } |
4199 | ||
173d76ea JF |
4200 | while (!ferror(pipe) && written < bufsize) { |
4201 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
4202 | } | |
4203 | ||
cbbd7f62 JF |
4204 | return written == bufsize; |
4205 | } | |
4206 | ||
4207 | static bool | |
4208 | status_update_file(struct status *status, enum line_type type) | |
4209 | { | |
4210 | FILE *pipe = status_update_prepare(type); | |
4211 | bool result; | |
4212 | ||
4213 | if (!pipe) | |
4214 | return FALSE; | |
4215 | ||
4216 | result = status_update_write(pipe, status, type); | |
173d76ea | 4217 | pclose(pipe); |
cbbd7f62 JF |
4218 | return result; |
4219 | } | |
4220 | ||
4221 | static bool | |
4222 | status_update_files(struct view *view, struct line *line) | |
4223 | { | |
4224 | FILE *pipe = status_update_prepare(line->type); | |
4225 | bool result = TRUE; | |
4226 | struct line *pos = view->line + view->lines; | |
4227 | int files = 0; | |
4228 | int file, done; | |
173d76ea | 4229 | |
cbbd7f62 | 4230 | if (!pipe) |
173d76ea JF |
4231 | return FALSE; |
4232 | ||
cbbd7f62 JF |
4233 | for (pos = line; pos < view->line + view->lines && pos->data; pos++) |
4234 | files++; | |
4235 | ||
4236 | for (file = 0, done = 0; result && file < files; line++, file++) { | |
4237 | int almost_done = file * 100 / files; | |
4238 | ||
4239 | if (almost_done > done) { | |
4240 | done = almost_done; | |
4241 | string_format(view->ref, "updating file %u of %u (%d%% done)", | |
4242 | file, files, done); | |
4243 | update_view_title(view); | |
4244 | } | |
4245 | result = status_update_write(pipe, line->data, line->type); | |
4246 | } | |
4247 | ||
4248 | pclose(pipe); | |
4249 | return result; | |
173d76ea JF |
4250 | } |
4251 | ||
7be144b4 | 4252 | static bool |
ca1d71ea JF |
4253 | status_update(struct view *view) |
4254 | { | |
dec7b437 | 4255 | struct line *line = &view->line[view->lineno]; |
351917f8 | 4256 | |
dec7b437 | 4257 | assert(view->lines); |
11359638 | 4258 | |
dec7b437 | 4259 | if (!line->data) { |
cbbd7f62 JF |
4260 | /* This should work even for the "On branch" line. */ |
4261 | if (line < view->line + view->lines && !line[1].data) { | |
dec7b437 | 4262 | report("Nothing to update"); |
7be144b4 | 4263 | return FALSE; |
93e4c4f6 JF |
4264 | } |
4265 | ||
cbbd7f62 JF |
4266 | if (!status_update_files(view, line + 1)) |
4267 | report("Failed to update file status"); | |
4268 | ||
4269 | } else if (!status_update_file(line->data, line->type)) { | |
dec7b437 | 4270 | report("Failed to update file status"); |
ca1d71ea | 4271 | } |
7be144b4 JF |
4272 | |
4273 | return TRUE; | |
ca1d71ea JF |
4274 | } |
4275 | ||
88f66e2d JF |
4276 | static enum request |
4277 | status_request(struct view *view, enum request request, struct line *line) | |
4278 | { | |
0cea0d43 JF |
4279 | struct status *status = line->data; |
4280 | ||
88f66e2d JF |
4281 | switch (request) { |
4282 | case REQ_STATUS_UPDATE: | |
7be144b4 JF |
4283 | if (!status_update(view)) |
4284 | return REQ_NONE; | |
88f66e2d JF |
4285 | break; |
4286 | ||
b5c18d9d | 4287 | case REQ_STATUS_MERGE: |
91521b9d JF |
4288 | if (!status || status->status != 'U') { |
4289 | report("Merging only possible for files with unmerged status ('U')."); | |
4290 | return REQ_NONE; | |
4291 | } | |
5ba030cf | 4292 | open_mergetool(status->new.name); |
b5c18d9d JF |
4293 | break; |
4294 | ||
0cea0d43 JF |
4295 | case REQ_EDIT: |
4296 | if (!status) | |
4297 | return request; | |
4298 | ||
5ba030cf | 4299 | open_editor(status->status != '?', status->new.name); |
0cea0d43 JF |
4300 | break; |
4301 | ||
8a680988 JF |
4302 | case REQ_VIEW_BLAME: |
4303 | if (status) { | |
a2d5d9ef | 4304 | string_copy(opt_file, status->new.name); |
8a680988 JF |
4305 | opt_ref[0] = 0; |
4306 | } | |
4307 | return request; | |
4308 | ||
88f66e2d | 4309 | case REQ_ENTER: |
17a27c16 JF |
4310 | /* After returning the status view has been split to |
4311 | * show the stage view. No further reloading is | |
4312 | * necessary. */ | |
88f66e2d | 4313 | status_enter(view, line); |
17a27c16 | 4314 | return REQ_NONE; |
88f66e2d | 4315 | |
acaef3b3 | 4316 | case REQ_REFRESH: |
17a27c16 | 4317 | /* Simply reload the view. */ |
acaef3b3 JF |
4318 | break; |
4319 | ||
88f66e2d JF |
4320 | default: |
4321 | return request; | |
4322 | } | |
4323 | ||
17a27c16 JF |
4324 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
4325 | ||
88f66e2d JF |
4326 | return REQ_NONE; |
4327 | } | |
4328 | ||
ca1d71ea | 4329 | static void |
173d76ea JF |
4330 | status_select(struct view *view, struct line *line) |
4331 | { | |
11359638 JF |
4332 | struct status *status = line->data; |
4333 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 4334 | char *text; |
b5c18d9d | 4335 | char *key; |
173d76ea | 4336 | |
5ba030cf | 4337 | if (status && !string_format(file, "'%s'", status->new.name)) |
11359638 JF |
4338 | return; |
4339 | ||
4340 | if (!status && line[1].type == LINE_STAT_NONE) | |
4341 | line++; | |
4342 | ||
173d76ea JF |
4343 | switch (line->type) { |
4344 | case LINE_STAT_STAGED: | |
11359638 | 4345 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
4346 | break; |
4347 | ||
4348 | case LINE_STAT_UNSTAGED: | |
11359638 | 4349 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
4350 | break; |
4351 | ||
4352 | case LINE_STAT_UNTRACKED: | |
11359638 | 4353 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
4354 | break; |
4355 | ||
f5a5e640 | 4356 | case LINE_STAT_HEAD: |
173d76ea | 4357 | case LINE_STAT_NONE: |
11359638 JF |
4358 | text = "Nothing to update"; |
4359 | break; | |
173d76ea JF |
4360 | |
4361 | default: | |
e77aa656 | 4362 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
4363 | } |
4364 | ||
b5c18d9d JF |
4365 | if (status && status->status == 'U') { |
4366 | text = "Press %s to resolve conflict in %s"; | |
4367 | key = get_key(REQ_STATUS_MERGE); | |
4368 | ||
4369 | } else { | |
4370 | key = get_key(REQ_STATUS_UPDATE); | |
4371 | } | |
4372 | ||
4373 | string_format(view->ref, text, key, file); | |
173d76ea JF |
4374 | } |
4375 | ||
4376 | static bool | |
4377 | status_grep(struct view *view, struct line *line) | |
4378 | { | |
4379 | struct status *status = line->data; | |
4380 | enum { S_STATUS, S_NAME, S_END } state; | |
4381 | char buf[2] = "?"; | |
4382 | regmatch_t pmatch; | |
4383 | ||
4384 | if (!status) | |
4385 | return FALSE; | |
4386 | ||
4387 | for (state = S_STATUS; state < S_END; state++) { | |
4388 | char *text; | |
4389 | ||
4390 | switch (state) { | |
5ba030cf | 4391 | case S_NAME: text = status->new.name; break; |
173d76ea JF |
4392 | case S_STATUS: |
4393 | buf[0] = status->status; | |
4394 | text = buf; | |
4395 | break; | |
4396 | ||
4397 | default: | |
4398 | return FALSE; | |
4399 | } | |
4400 | ||
4401 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
4402 | return TRUE; | |
4403 | } | |
4404 | ||
4405 | return FALSE; | |
4406 | } | |
4407 | ||
4408 | static struct view_ops status_ops = { | |
4409 | "file", | |
4410 | status_open, | |
4411 | NULL, | |
4412 | status_draw, | |
586c423d | 4413 | status_request, |
173d76ea JF |
4414 | status_grep, |
4415 | status_select, | |
4416 | }; | |
4417 | ||
b33611d8 JF |
4418 | |
4419 | static bool | |
4420 | stage_diff_line(FILE *pipe, struct line *line) | |
4421 | { | |
4422 | char *buf = line->data; | |
4423 | size_t bufsize = strlen(buf); | |
4424 | size_t written = 0; | |
4425 | ||
4426 | while (!ferror(pipe) && written < bufsize) { | |
4427 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
4428 | } | |
4429 | ||
4430 | fputc('\n', pipe); | |
4431 | ||
4432 | return written == bufsize; | |
4433 | } | |
4434 | ||
4435 | static struct line * | |
4436 | stage_diff_hdr(struct view *view, struct line *line) | |
4437 | { | |
4438 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
4439 | struct line *diff_hdr; | |
4440 | ||
4441 | if (line->type == LINE_DIFF_CHUNK) | |
4442 | diff_hdr = line - 1; | |
4443 | else | |
4444 | diff_hdr = view->line + 1; | |
4445 | ||
4446 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
4447 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
4448 | return diff_hdr; | |
4449 | ||
4450 | diff_hdr += diff_hdr_dir; | |
4451 | } | |
4452 | ||
4453 | return NULL; | |
4454 | } | |
4455 | ||
4456 | static bool | |
4457 | stage_update_chunk(struct view *view, struct line *line) | |
4458 | { | |
4459 | char cmd[SIZEOF_STR]; | |
4460 | size_t cmdsize = 0; | |
4461 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
4462 | FILE *pipe; | |
4463 | ||
4464 | diff_hdr = stage_diff_hdr(view, line); | |
4465 | if (!diff_hdr) | |
4466 | return FALSE; | |
4467 | ||
4468 | if (opt_cdup[0] && | |
4469 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
4470 | return FALSE; | |
4471 | ||
4472 | if (!string_format_from(cmd, &cmdsize, | |
4473 | "git apply --cached %s - && " | |
4474 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
4475 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
4476 | return FALSE; | |
4477 | ||
4478 | pipe = popen(cmd, "w"); | |
4479 | if (!pipe) | |
4480 | return FALSE; | |
4481 | ||
4482 | diff_end = view->line + view->lines; | |
4483 | if (line->type != LINE_DIFF_CHUNK) { | |
4484 | diff_chunk = diff_hdr; | |
4485 | ||
4486 | } else { | |
4487 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
4488 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
4489 | diff_chunk->type == LINE_DIFF_HEADER) | |
4490 | diff_end = diff_chunk; | |
4491 | ||
4492 | diff_chunk = line; | |
4493 | ||
4494 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
4495 | switch (diff_hdr->type) { | |
4496 | case LINE_DIFF_HEADER: | |
4497 | case LINE_DIFF_INDEX: | |
4498 | case LINE_DIFF_ADD: | |
4499 | case LINE_DIFF_DEL: | |
4500 | break; | |
4501 | ||
4502 | default: | |
4503 | diff_hdr++; | |
4504 | continue; | |
4505 | } | |
4506 | ||
4507 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
4508 | pclose(pipe); | |
4509 | return FALSE; | |
4510 | } | |
4511 | } | |
4512 | } | |
4513 | ||
4514 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
4515 | diff_chunk++; | |
4516 | ||
4517 | pclose(pipe); | |
4518 | ||
4519 | if (diff_chunk != diff_end) | |
4520 | return FALSE; | |
4521 | ||
4522 | return TRUE; | |
4523 | } | |
4524 | ||
4525 | static void | |
4526 | stage_update(struct view *view, struct line *line) | |
4527 | { | |
22d9b77c | 4528 | if (!opt_no_head && stage_line_type != LINE_STAT_UNTRACKED && |
b33611d8 JF |
4529 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { |
4530 | if (!stage_update_chunk(view, line)) { | |
4531 | report("Failed to apply chunk"); | |
4532 | return; | |
4533 | } | |
4534 | ||
cbbd7f62 | 4535 | } else if (!status_update_file(&stage_status, stage_line_type)) { |
b33611d8 JF |
4536 | report("Failed to update file"); |
4537 | return; | |
4538 | } | |
4539 | ||
4540 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
4541 | ||
4542 | view = VIEW(REQ_VIEW_STATUS); | |
4543 | if (view_is_displayed(view)) | |
4544 | status_enter(view, &view->line[view->lineno]); | |
4545 | } | |
4546 | ||
4547 | static enum request | |
4548 | stage_request(struct view *view, enum request request, struct line *line) | |
4549 | { | |
4550 | switch (request) { | |
4551 | case REQ_STATUS_UPDATE: | |
4552 | stage_update(view, line); | |
4553 | break; | |
4554 | ||
4555 | case REQ_EDIT: | |
5ba030cf | 4556 | if (!stage_status.new.name[0]) |
b33611d8 JF |
4557 | return request; |
4558 | ||
5ba030cf | 4559 | open_editor(stage_status.status != '?', stage_status.new.name); |
b33611d8 JF |
4560 | break; |
4561 | ||
8a680988 JF |
4562 | case REQ_VIEW_BLAME: |
4563 | if (stage_status.new.name[0]) { | |
a2d5d9ef | 4564 | string_copy(opt_file, stage_status.new.name); |
8a680988 JF |
4565 | opt_ref[0] = 0; |
4566 | } | |
4567 | return request; | |
4568 | ||
b33611d8 JF |
4569 | case REQ_ENTER: |
4570 | pager_request(view, request, line); | |
4571 | break; | |
4572 | ||
4573 | default: | |
4574 | return request; | |
4575 | } | |
4576 | ||
4577 | return REQ_NONE; | |
4578 | } | |
4579 | ||
3e634113 JF |
4580 | static struct view_ops stage_ops = { |
4581 | "line", | |
4582 | NULL, | |
4583 | pager_read, | |
4584 | pager_draw, | |
b33611d8 | 4585 | stage_request, |
3e634113 JF |
4586 | pager_grep, |
4587 | pager_select, | |
4588 | }; | |
173d76ea | 4589 | |
b33611d8 | 4590 | |
173d76ea | 4591 | /* |
ccc33449 | 4592 | * Revision graph |
ff26aa29 JF |
4593 | */ |
4594 | ||
4595 | struct commit { | |
10446330 | 4596 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 4597 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
4598 | char author[75]; /* Author of the commit. */ |
4599 | struct tm time; /* Date from the author ident. */ | |
4600 | struct ref **refs; /* Repository references. */ | |
4601 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
4602 | size_t graph_size; /* The width of the graph array. */ | |
d3b19ca4 | 4603 | bool has_parents; /* Rewritten --parents seen. */ |
ff26aa29 | 4604 | }; |
c34d9c9f | 4605 | |
ccc33449 JF |
4606 | /* Size of rev graph with no "padding" columns */ |
4607 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 4608 | |
2ce5c87c JF |
4609 | struct rev_graph { |
4610 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
4611 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
4612 | size_t size; | |
88757ebd JF |
4613 | struct commit *commit; |
4614 | size_t pos; | |
e81e9c2c | 4615 | unsigned int boundary:1; |
2b757533 JF |
4616 | }; |
4617 | ||
2b757533 | 4618 | /* Parents of the commit being visualized. */ |
446a5c36 | 4619 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 4620 | |
c65a501a | 4621 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
4622 | static struct rev_graph graph_stacks[4] = { |
4623 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 4624 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
4625 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
4626 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
4627 | }; |
4628 | ||
9e43b9cd | 4629 | static inline bool |
2ce5c87c | 4630 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
4631 | { |
4632 | return graph->parents->size > 1; | |
4633 | } | |
4634 | ||
88757ebd | 4635 | static inline void |
2ce5c87c | 4636 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 4637 | { |
2c27faac JF |
4638 | struct commit *commit = graph->commit; |
4639 | ||
4640 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
4641 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
4642 | } |
4643 | ||
2b757533 | 4644 | static void |
2ce5c87c | 4645 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
4646 | { |
4647 | if (graph_parent_is_merge(graph) && | |
4648 | graph->pos < graph->size - 1 && | |
4649 | graph->next->size == graph->size + graph->parents->size - 1) { | |
4650 | size_t i = graph->pos + graph->parents->size - 1; | |
4651 | ||
4652 | graph->commit->graph_size = i * 2; | |
4653 | while (i < graph->next->size - 1) { | |
4654 | append_to_rev_graph(graph, ' '); | |
4655 | append_to_rev_graph(graph, '\\'); | |
4656 | i++; | |
4657 | } | |
4658 | } | |
4659 | ||
4660 | graph->size = graph->pos = 0; | |
4661 | graph->commit = NULL; | |
4662 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
4663 | } | |
4664 | ||
4665 | static void | |
2ce5c87c | 4666 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 4667 | { |
2fe894e6 JF |
4668 | int i; |
4669 | ||
4670 | /* "Collapse" duplicate parents lines. | |
4671 | * | |
4672 | * FIXME: This needs to also update update the drawn graph but | |
4673 | * for now it just serves as a method for pruning graph lines. */ | |
4674 | for (i = 0; i < graph->size; i++) | |
4675 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
4676 | return; | |
2b757533 | 4677 | |
2ce5c87c | 4678 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 4679 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
4680 | } |
4681 | } | |
4682 | ||
92507a24 JF |
4683 | static chtype |
4684 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 4685 | { |
92507a24 | 4686 | chtype symbol; |
2b757533 | 4687 | |
e81e9c2c JF |
4688 | if (graph->boundary) |
4689 | symbol = REVGRAPH_BOUND; | |
4690 | else if (graph->parents->size == 0) | |
c8d60a25 | 4691 | symbol = REVGRAPH_INIT; |
18ffaa23 | 4692 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 4693 | symbol = REVGRAPH_MERGE; |
c65a501a | 4694 | else if (graph->pos >= graph->size) |
c8d60a25 | 4695 | symbol = REVGRAPH_BRANCH; |
2b757533 | 4696 | else |
c8d60a25 | 4697 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 4698 | |
92507a24 JF |
4699 | return symbol; |
4700 | } | |
4701 | ||
4702 | static void | |
4703 | draw_rev_graph(struct rev_graph *graph) | |
4704 | { | |
e937c2c8 JF |
4705 | struct rev_filler { |
4706 | chtype separator, line; | |
4707 | }; | |
4708 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
4709 | static struct rev_filler fillers[] = { | |
4710 | { ' ', REVGRAPH_LINE }, | |
4711 | { '`', '.' }, | |
4712 | { '\'', ' ' }, | |
4713 | { '/', ' ' }, | |
e937c2c8 | 4714 | }; |
92507a24 | 4715 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 4716 | struct rev_filler *filler; |
92507a24 JF |
4717 | size_t i; |
4718 | ||
e937c2c8 | 4719 | filler = &fillers[DEFAULT]; |
110e948e | 4720 | |
c65a501a | 4721 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 4722 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 4723 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
4724 | graph->prev->pos == i) |
4725 | filler = &fillers[RSHARP]; | |
4726 | ||
4727 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
4728 | } |
4729 | ||
92507a24 | 4730 | /* Place the symbol for this revision. */ |
c65a501a | 4731 | append_to_rev_graph(graph, symbol); |
2b757533 | 4732 | |
e937c2c8 JF |
4733 | if (graph->prev->size > graph->size) |
4734 | filler = &fillers[RDIAG]; | |
4735 | else | |
4736 | filler = &fillers[DEFAULT]; | |
4737 | ||
c8d60a25 | 4738 | i++; |
2b757533 | 4739 | |
c65a501a | 4740 | for (; i < graph->size; i++) { |
e937c2c8 JF |
4741 | append_to_rev_graph(graph, filler->separator); |
4742 | append_to_rev_graph(graph, filler->line); | |
4743 | if (graph_parent_is_merge(graph->prev) && | |
4744 | i < graph->prev->pos + graph->parents->size) | |
4745 | filler = &fillers[RSHARP]; | |
4746 | if (graph->prev->size > graph->size) | |
4747 | filler = &fillers[LDIAG]; | |
c65a501a JF |
4748 | } |
4749 | ||
4750 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4751 | append_to_rev_graph(graph, filler->separator); |
4752 | if (filler->line != ' ') | |
4753 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4754 | } |
b5d8f208 JF |
4755 | } |
4756 | ||
61eed810 JF |
4757 | /* Prepare the next rev graph */ |
4758 | static void | |
4759 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4760 | { |
b5d8f208 JF |
4761 | size_t i; |
4762 | ||
320df4ea | 4763 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4764 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4765 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4766 | break; |
b5d8f208 | 4767 | |
2ce5c87c | 4768 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4769 | } |
4770 | ||
320df4ea | 4771 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4772 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4773 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4774 | |
320df4ea | 4775 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4776 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4777 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4778 | } |
4779 | ||
4780 | static void | |
4781 | update_rev_graph(struct rev_graph *graph) | |
4782 | { | |
446a5c36 JF |
4783 | /* If this is the finalizing update ... */ |
4784 | if (graph->commit) | |
4785 | prepare_rev_graph(graph); | |
4786 | ||
4787 | /* Graph visualization needs a one rev look-ahead, | |
4788 | * so the first update doesn't visualize anything. */ | |
4789 | if (!graph->prev->commit) | |
4790 | return; | |
c65a501a | 4791 | |
61eed810 JF |
4792 | draw_rev_graph(graph->prev); |
4793 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4794 | } |
4795 | ||
ccc33449 JF |
4796 | |
4797 | /* | |
4798 | * Main view backend | |
4799 | */ | |
4800 | ||
4801 | static bool | |
4802 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4803 | { | |
4804 | char buf[DATE_COLS + 1]; | |
4805 | struct commit *commit = line->data; | |
4806 | enum line_type type; | |
4807 | int col = 0; | |
4808 | size_t timelen; | |
1c919d68 | 4809 | int space; |
ccc33449 JF |
4810 | |
4811 | if (!*commit->author) | |
4812 | return FALSE; | |
4813 | ||
1c919d68 | 4814 | space = view->width; |
ccc33449 JF |
4815 | wmove(view->win, lineno, col); |
4816 | ||
4817 | if (selected) { | |
4818 | type = LINE_CURSOR; | |
4819 | wattrset(view->win, get_line_attr(type)); | |
4820 | wchgat(view->win, -1, 0, type, NULL); | |
ccc33449 JF |
4821 | } else { |
4822 | type = LINE_MAIN_COMMIT; | |
4823 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
4824 | } | |
4825 | ||
823057f4 | 4826 | if (opt_date) { |
1c919d68 | 4827 | int n; |
ccc33449 | 4828 | |
1c919d68 | 4829 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
de46362f JF |
4830 | n = draw_text(view, buf, view->width - col, FALSE, selected); |
4831 | draw_text(view, " ", view->width - col - n, FALSE, selected); | |
ccc33449 | 4832 | |
1c919d68 DV |
4833 | col += DATE_COLS; |
4834 | wmove(view->win, lineno, col); | |
4835 | if (col >= view->width) | |
4836 | return TRUE; | |
ccc33449 | 4837 | } |
1c919d68 DV |
4838 | if (type != LINE_CURSOR) |
4839 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
ccc33449 | 4840 | |
823057f4 | 4841 | if (opt_author) { |
1c919d68 DV |
4842 | int max_len; |
4843 | ||
4844 | max_len = view->width - col; | |
4845 | if (max_len > AUTHOR_COLS - 1) | |
4846 | max_len = AUTHOR_COLS - 1; | |
de46362f | 4847 | draw_text(view, commit->author, max_len, TRUE, selected); |
1c919d68 DV |
4848 | col += AUTHOR_COLS; |
4849 | if (col >= view->width) | |
4850 | return TRUE; | |
ccc33449 JF |
4851 | } |
4852 | ||
ccc33449 | 4853 | if (opt_rev_graph && commit->graph_size) { |
749cdc92 | 4854 | size_t graph_size = view->width - col; |
ccc33449 JF |
4855 | size_t i; |
4856 | ||
f83b1c33 DV |
4857 | if (type != LINE_CURSOR) |
4858 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 | 4859 | wmove(view->win, lineno, col); |
749cdc92 JF |
4860 | if (graph_size > commit->graph_size) |
4861 | graph_size = commit->graph_size; | |
ccc33449 JF |
4862 | /* Using waddch() instead of waddnstr() ensures that |
4863 | * they'll be rendered correctly for the cursor line. */ | |
749cdc92 | 4864 | for (i = 0; i < graph_size; i++) |
ccc33449 JF |
4865 | waddch(view->win, commit->graph[i]); |
4866 | ||
4867 | col += commit->graph_size + 1; | |
1c919d68 DV |
4868 | if (col >= view->width) |
4869 | return TRUE; | |
749cdc92 | 4870 | waddch(view->win, ' '); |
ccc33449 | 4871 | } |
f83b1c33 DV |
4872 | if (type != LINE_CURSOR) |
4873 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4874 | |
4875 | wmove(view->win, lineno, col); | |
4876 | ||
823057f4 | 4877 | if (opt_show_refs && commit->refs) { |
ccc33449 JF |
4878 | size_t i = 0; |
4879 | ||
4880 | do { | |
4881 | if (type == LINE_CURSOR) | |
4882 | ; | |
70ea8175 JF |
4883 | else if (commit->refs[i]->head) |
4884 | wattrset(view->win, get_line_attr(LINE_MAIN_HEAD)); | |
2384880b DV |
4885 | else if (commit->refs[i]->ltag) |
4886 | wattrset(view->win, get_line_attr(LINE_MAIN_LOCAL_TAG)); | |
ccc33449 JF |
4887 | else if (commit->refs[i]->tag) |
4888 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4889 | else if (commit->refs[i]->remote) |
4890 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4891 | else |
4892 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
1c919d68 | 4893 | |
de46362f | 4894 | col += draw_text(view, "[", view->width - col, TRUE, selected); |
a00fff3c | 4895 | col += draw_text(view, commit->refs[i]->name, view->width - col, |
de46362f JF |
4896 | TRUE, selected); |
4897 | col += draw_text(view, "]", view->width - col, TRUE, selected); | |
ccc33449 JF |
4898 | if (type != LINE_CURSOR) |
4899 | wattrset(view->win, A_NORMAL); | |
de46362f | 4900 | col += draw_text(view, " ", view->width - col, TRUE, selected); |
1c919d68 DV |
4901 | if (col >= view->width) |
4902 | return TRUE; | |
ccc33449 JF |
4903 | } while (commit->refs[i++]->next); |
4904 | } | |
4905 | ||
4906 | if (type != LINE_CURSOR) | |
4907 | wattrset(view->win, get_line_attr(type)); | |
4908 | ||
de46362f | 4909 | draw_text(view, commit->title, view->width - col, TRUE, selected); |
ccc33449 JF |
4910 | return TRUE; |
4911 | } | |
4912 | ||
4c6fabc2 | 4913 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4914 | static bool |
701e4f5d | 4915 | main_read(struct view *view, char *line) |
22f66b0a | 4916 | { |
2ce5c87c | 4917 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4918 | enum line_type type; |
0ff3b97c | 4919 | struct commit *commit; |
22f66b0a | 4920 | |
be04d936 | 4921 | if (!line) { |
446a5c36 | 4922 | update_rev_graph(graph); |
be04d936 JF |
4923 | return TRUE; |
4924 | } | |
4925 | ||
4926 | type = get_line_type(line); | |
0ff3b97c | 4927 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4928 | commit = calloc(1, sizeof(struct commit)); |
4929 | if (!commit) | |
4930 | return FALSE; | |
4931 | ||
e81e9c2c JF |
4932 | line += STRING_SIZE("commit "); |
4933 | if (*line == '-') { | |
4934 | graph->boundary = 1; | |
4935 | line++; | |
4936 | } | |
4937 | ||
4938 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4939 | commit->refs = get_refs(commit->id); |
c65a501a | 4940 | graph->commit = commit; |
e314c36d | 4941 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
d3b19ca4 JF |
4942 | |
4943 | while ((line = strchr(line, ' '))) { | |
4944 | line++; | |
4945 | push_rev_graph(graph->parents, line); | |
4946 | commit->has_parents = TRUE; | |
4947 | } | |
0ff3b97c JF |
4948 | return TRUE; |
4949 | } | |
2b757533 | 4950 | |
0ff3b97c JF |
4951 | if (!view->lines) |
4952 | return TRUE; | |
4953 | commit = view->line[view->lines - 1].data; | |
4954 | ||
4955 | switch (type) { | |
2b757533 | 4956 | case LINE_PARENT: |
d3b19ca4 JF |
4957 | if (commit->has_parents) |
4958 | break; | |
0ff3b97c | 4959 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4960 | break; |
22f66b0a | 4961 | |
8855ada4 | 4962 | case LINE_AUTHOR: |
b76c2afc | 4963 | { |
19c3ac60 JF |
4964 | /* Parse author lines where the name may be empty: |
4965 | * author <email@address.tld> 1138474660 +0100 | |
4966 | */ | |
4c6fabc2 | 4967 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4968 | char *nameend = strchr(ident, '<'); |
4969 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4970 | |
0ff3b97c | 4971 | if (!nameend || !emailend) |
fe7233c3 JF |
4972 | break; |
4973 | ||
c65a501a JF |
4974 | update_rev_graph(graph); |
4975 | graph = graph->next; | |
2b757533 | 4976 | |
19c3ac60 JF |
4977 | *nameend = *emailend = 0; |
4978 | ident = chomp_string(ident); | |
4979 | if (!*ident) { | |
4980 | ident = chomp_string(nameend + 1); | |
4981 | if (!*ident) | |
4982 | ident = "Unknown"; | |
b76c2afc JF |
4983 | } |
4984 | ||
739e81de | 4985 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4986 | |
4c6fabc2 | 4987 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4988 | if (emailend[1] == ' ') { |
4989 | char *secs = emailend + 2; | |
4990 | char *zone = strchr(secs, ' '); | |
4991 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4992 | |
4c6fabc2 | 4993 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4994 | long tz; |
4995 | ||
4996 | zone++; | |
4997 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4998 | tz += ('0' - zone[2]) * 60 * 60; | |
4999 | tz += ('0' - zone[3]) * 60; | |
5000 | tz += ('0' - zone[4]) * 60; | |
5001 | ||
5002 | if (zone[0] == '-') | |
5003 | tz = -tz; | |
5004 | ||
5005 | time -= tz; | |
5006 | } | |
19c3ac60 | 5007 | |
b76c2afc JF |
5008 | gmtime_r(&time, &commit->time); |
5009 | } | |
5010 | break; | |
5011 | } | |
78c70acd | 5012 | default: |
2e8488b4 | 5013 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
5014 | if (commit->title[0]) |
5015 | break; | |
5016 | ||
5017 | /* Require titles to start with a non-space character at the | |
5018 | * offset used by git log. */ | |
9073c64a JF |
5019 | if (strncmp(line, " ", 4)) |
5020 | break; | |
5021 | line += 4; | |
5022 | /* Well, if the title starts with a whitespace character, | |
5023 | * try to be forgiving. Otherwise we end up with no title. */ | |
5024 | while (isspace(*line)) | |
5025 | line++; | |
5026 | if (*line == '\0') | |
82e78006 | 5027 | break; |
9073c64a JF |
5028 | /* FIXME: More graceful handling of titles; append "..." to |
5029 | * shortened titles, etc. */ | |
82e78006 | 5030 | |
739e81de | 5031 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
5032 | } |
5033 | ||
5034 | return TRUE; | |
5035 | } | |
5036 | ||
586c423d JF |
5037 | static enum request |
5038 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 5039 | { |
b3a54cba JF |
5040 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
5041 | ||
586c423d JF |
5042 | if (request == REQ_ENTER) |
5043 | open_view(view, REQ_VIEW_DIFF, flags); | |
5044 | else | |
5045 | return request; | |
5046 | ||
5047 | return REQ_NONE; | |
b801d8b2 JF |
5048 | } |
5049 | ||
4af34daa JF |
5050 | static bool |
5051 | main_grep(struct view *view, struct line *line) | |
5052 | { | |
5053 | struct commit *commit = line->data; | |
5054 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
5055 | char buf[DATE_COLS + 1]; | |
5056 | regmatch_t pmatch; | |
5057 | ||
5058 | for (state = S_TITLE; state < S_END; state++) { | |
5059 | char *text; | |
5060 | ||
5061 | switch (state) { | |
5062 | case S_TITLE: text = commit->title; break; | |
5063 | case S_AUTHOR: text = commit->author; break; | |
5064 | case S_DATE: | |
5065 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
5066 | continue; | |
5067 | text = buf; | |
5068 | break; | |
5069 | ||
5070 | default: | |
5071 | return FALSE; | |
5072 | } | |
5073 | ||
b77b2cb8 | 5074 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
5075 | return TRUE; |
5076 | } | |
5077 | ||
5078 | return FALSE; | |
5079 | } | |
5080 | ||
d720de4b JF |
5081 | static void |
5082 | main_select(struct view *view, struct line *line) | |
5083 | { | |
5084 | struct commit *commit = line->data; | |
5085 | ||
2463b4ea JF |
5086 | string_copy_rev(view->ref, commit->id); |
5087 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
5088 | } |
5089 | ||
6b161b31 | 5090 | static struct view_ops main_ops = { |
6734f6b9 | 5091 | "commit", |
f098944b | 5092 | NULL, |
6b161b31 | 5093 | main_read, |
f098944b | 5094 | main_draw, |
586c423d | 5095 | main_request, |
4af34daa | 5096 | main_grep, |
d720de4b | 5097 | main_select, |
6b161b31 | 5098 | }; |
2e8488b4 | 5099 | |
c34d9c9f | 5100 | |
6b161b31 | 5101 | /* |
10e290ee JF |
5102 | * Unicode / UTF-8 handling |
5103 | * | |
5104 | * NOTE: Much of the following code for dealing with unicode is derived from | |
5105 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
5106 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
5107 | */ | |
5108 | ||
5109 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
5110 | * confident that the approach taken by this small UTF-8 interface is correct. | |
5111 | * --jonas */ | |
5112 | ||
5113 | static inline int | |
5114 | unicode_width(unsigned long c) | |
5115 | { | |
5116 | if (c >= 0x1100 && | |
5117 | (c <= 0x115f /* Hangul Jamo */ | |
5118 | || c == 0x2329 | |
5119 | || c == 0x232a | |
5120 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 5121 | /* CJK ... Yi */ |
10e290ee JF |
5122 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
5123 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
5124 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
5125 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
5126 | || (c >= 0xffe0 && c <= 0xffe6) | |
5127 | || (c >= 0x20000 && c <= 0x2fffd) | |
5128 | || (c >= 0x30000 && c <= 0x3fffd))) | |
5129 | return 2; | |
5130 | ||
749cdc92 JF |
5131 | if (c == '\t') |
5132 | return opt_tab_size; | |
5133 | ||
10e290ee JF |
5134 | return 1; |
5135 | } | |
5136 | ||
5137 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
5138 | * Illegal bytes are set one. */ | |
5139 | static const unsigned char utf8_bytes[256] = { | |
5140 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5141 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5142 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5143 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5144 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5145 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
5146 | 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, | |
5147 | 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1, | |
5148 | }; | |
5149 | ||
5150 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
5151 | static inline unsigned long | |
5152 | utf8_to_unicode(const char *string, size_t length) | |
5153 | { | |
5154 | unsigned long unicode; | |
5155 | ||
5156 | switch (length) { | |
5157 | case 1: | |
5158 | unicode = string[0]; | |
5159 | break; | |
5160 | case 2: | |
5161 | unicode = (string[0] & 0x1f) << 6; | |
5162 | unicode += (string[1] & 0x3f); | |
5163 | break; | |
5164 | case 3: | |
5165 | unicode = (string[0] & 0x0f) << 12; | |
5166 | unicode += ((string[1] & 0x3f) << 6); | |
5167 | unicode += (string[2] & 0x3f); | |
5168 | break; | |
5169 | case 4: | |
5170 | unicode = (string[0] & 0x0f) << 18; | |
5171 | unicode += ((string[1] & 0x3f) << 12); | |
5172 | unicode += ((string[2] & 0x3f) << 6); | |
5173 | unicode += (string[3] & 0x3f); | |
5174 | break; | |
5175 | case 5: | |
5176 | unicode = (string[0] & 0x0f) << 24; | |
5177 | unicode += ((string[1] & 0x3f) << 18); | |
5178 | unicode += ((string[2] & 0x3f) << 12); | |
5179 | unicode += ((string[3] & 0x3f) << 6); | |
5180 | unicode += (string[4] & 0x3f); | |
5181 | break; | |
68b6e0eb | 5182 | case 6: |
10e290ee JF |
5183 | unicode = (string[0] & 0x01) << 30; |
5184 | unicode += ((string[1] & 0x3f) << 24); | |
5185 | unicode += ((string[2] & 0x3f) << 18); | |
5186 | unicode += ((string[3] & 0x3f) << 12); | |
5187 | unicode += ((string[4] & 0x3f) << 6); | |
5188 | unicode += (string[5] & 0x3f); | |
5189 | break; | |
5190 | default: | |
5191 | die("Invalid unicode length"); | |
5192 | } | |
5193 | ||
5194 | /* Invalid characters could return the special 0xfffd value but NUL | |
5195 | * should be just as good. */ | |
5196 | return unicode > 0xffff ? 0 : unicode; | |
5197 | } | |
5198 | ||
5199 | /* Calculates how much of string can be shown within the given maximum width | |
5200 | * and sets trimmed parameter to non-zero value if all of string could not be | |
012e76e9 JF |
5201 | * shown. If the reserve flag is TRUE, it will reserve at least one |
5202 | * trailing character, which can be useful when drawing a delimiter. | |
10e290ee JF |
5203 | * |
5204 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
5205 | static size_t | |
012e76e9 | 5206 | utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve) |
10e290ee JF |
5207 | { |
5208 | const char *start = string; | |
5209 | const char *end = strchr(string, '\0'); | |
012e76e9 | 5210 | unsigned char last_bytes = 0; |
10e290ee JF |
5211 | size_t width = 0; |
5212 | ||
5213 | *trimmed = 0; | |
5214 | ||
5215 | while (string < end) { | |
5216 | int c = *(unsigned char *) string; | |
5217 | unsigned char bytes = utf8_bytes[c]; | |
5218 | size_t ucwidth; | |
5219 | unsigned long unicode; | |
5220 | ||
5221 | if (string + bytes > end) | |
5222 | break; | |
5223 | ||
5224 | /* Change representation to figure out whether | |
5225 | * it is a single- or double-width character. */ | |
5226 | ||
5227 | unicode = utf8_to_unicode(string, bytes); | |
5228 | /* FIXME: Graceful handling of invalid unicode character. */ | |
5229 | if (!unicode) | |
5230 | break; | |
5231 | ||
5232 | ucwidth = unicode_width(unicode); | |
5233 | width += ucwidth; | |
5234 | if (width > max_width) { | |
5235 | *trimmed = 1; | |
012e76e9 JF |
5236 | if (reserve && width - ucwidth == max_width) { |
5237 | string -= last_bytes; | |
5238 | } | |
10e290ee JF |
5239 | break; |
5240 | } | |
5241 | ||
10e290ee | 5242 | string += bytes; |
012e76e9 | 5243 | last_bytes = bytes; |
10e290ee JF |
5244 | } |
5245 | ||
10e290ee JF |
5246 | return string - start; |
5247 | } | |
5248 | ||
5249 | ||
5250 | /* | |
6b161b31 JF |
5251 | * Status management |
5252 | */ | |
2e8488b4 | 5253 | |
8855ada4 | 5254 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 5255 | static bool cursed = FALSE; |
8855ada4 | 5256 | |
6b161b31 JF |
5257 | /* The status window is used for polling keystrokes. */ |
5258 | static WINDOW *status_win; | |
4a2909a7 | 5259 | |
21be28fb JF |
5260 | static bool status_empty = TRUE; |
5261 | ||
2e8488b4 | 5262 | /* Update status and title window. */ |
4a2909a7 JF |
5263 | static void |
5264 | report(const char *msg, ...) | |
5265 | { | |
6706b2ba | 5266 | struct view *view = display[current_view]; |
b76c2afc | 5267 | |
ab4af23e JF |
5268 | if (input_mode) |
5269 | return; | |
5270 | ||
c38c64bb JF |
5271 | if (!view) { |
5272 | char buf[SIZEOF_STR]; | |
5273 | va_list args; | |
5274 | ||
5275 | va_start(args, msg); | |
5276 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
5277 | buf[sizeof(buf) - 1] = 0; | |
5278 | buf[sizeof(buf) - 2] = '.'; | |
5279 | buf[sizeof(buf) - 3] = '.'; | |
5280 | buf[sizeof(buf) - 4] = '.'; | |
5281 | } | |
5282 | va_end(args); | |
5283 | die("%s", buf); | |
5284 | } | |
5285 | ||
21be28fb | 5286 | if (!status_empty || *msg) { |
6706b2ba | 5287 | va_list args; |
4a2909a7 | 5288 | |
6706b2ba | 5289 | va_start(args, msg); |
4b76734f | 5290 | |
6706b2ba JF |
5291 | wmove(status_win, 0, 0); |
5292 | if (*msg) { | |
5293 | vwprintw(status_win, msg, args); | |
21be28fb | 5294 | status_empty = FALSE; |
6706b2ba | 5295 | } else { |
21be28fb | 5296 | status_empty = TRUE; |
6706b2ba | 5297 | } |
390a8262 | 5298 | wclrtoeol(status_win); |
6706b2ba | 5299 | wrefresh(status_win); |
b801d8b2 | 5300 | |
6706b2ba JF |
5301 | va_end(args); |
5302 | } | |
5303 | ||
5304 | update_view_title(view); | |
2bee3bde | 5305 | update_display_cursor(view); |
b801d8b2 JF |
5306 | } |
5307 | ||
6b161b31 JF |
5308 | /* Controls when nodelay should be in effect when polling user input. */ |
5309 | static void | |
1ba2ae4b | 5310 | set_nonblocking_input(bool loading) |
b801d8b2 | 5311 | { |
6706b2ba | 5312 | static unsigned int loading_views; |
b801d8b2 | 5313 | |
6706b2ba JF |
5314 | if ((loading == FALSE && loading_views-- == 1) || |
5315 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 5316 | nodelay(status_win, loading); |
6b161b31 JF |
5317 | } |
5318 | ||
5319 | static void | |
5320 | init_display(void) | |
5321 | { | |
5322 | int x, y; | |
b76c2afc | 5323 | |
6908bdbd JF |
5324 | /* Initialize the curses library */ |
5325 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 5326 | cursed = !!initscr(); |
6908bdbd JF |
5327 | } else { |
5328 | /* Leave stdin and stdout alone when acting as a pager. */ | |
5329 | FILE *io = fopen("/dev/tty", "r+"); | |
5330 | ||
e6f60674 JF |
5331 | if (!io) |
5332 | die("Failed to open /dev/tty"); | |
8855ada4 | 5333 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
5334 | } |
5335 | ||
8855ada4 JF |
5336 | if (!cursed) |
5337 | die("Failed to initialize curses"); | |
5338 | ||
2e8488b4 JF |
5339 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
5340 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
5341 | noecho(); /* Don't echo input */ | |
b801d8b2 | 5342 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
5343 | |
5344 | if (has_colors()) | |
5345 | init_colors(); | |
5346 | ||
5347 | getmaxyx(stdscr, y, x); | |
5348 | status_win = newwin(1, 0, y - 1, 0); | |
5349 | if (!status_win) | |
5350 | die("Failed to create status window"); | |
5351 | ||
5352 | /* Enable keyboard mapping */ | |
5353 | keypad(status_win, TRUE); | |
78c70acd | 5354 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
5355 | } |
5356 | ||
4af34daa | 5357 | static char * |
cb9e48c1 | 5358 | read_prompt(const char *prompt) |
ef5404a4 JF |
5359 | { |
5360 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 5361 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
5362 | int pos = 0; |
5363 | ||
5364 | while (status == READING) { | |
5365 | struct view *view; | |
5366 | int i, key; | |
5367 | ||
ab4af23e JF |
5368 | input_mode = TRUE; |
5369 | ||
699ae55b | 5370 | foreach_view (view, i) |
ef5404a4 JF |
5371 | update_view(view); |
5372 | ||
ab4af23e JF |
5373 | input_mode = FALSE; |
5374 | ||
5375 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
5376 | wclrtoeol(status_win); | |
5377 | ||
ef5404a4 JF |
5378 | /* Refresh, accept single keystroke of input */ |
5379 | key = wgetch(status_win); | |
5380 | switch (key) { | |
5381 | case KEY_RETURN: | |
5382 | case KEY_ENTER: | |
5383 | case '\n': | |
5384 | status = pos ? STOP : CANCEL; | |
5385 | break; | |
5386 | ||
5387 | case KEY_BACKSPACE: | |
5388 | if (pos > 0) | |
5389 | pos--; | |
5390 | else | |
5391 | status = CANCEL; | |
5392 | break; | |
5393 | ||
5394 | case KEY_ESC: | |
5395 | status = CANCEL; | |
5396 | break; | |
5397 | ||
5398 | case ERR: | |
5399 | break; | |
5400 | ||
5401 | default: | |
5402 | if (pos >= sizeof(buf)) { | |
5403 | report("Input string too long"); | |
9e21ce5c | 5404 | return NULL; |
ef5404a4 JF |
5405 | } |
5406 | ||
5407 | if (isprint(key)) | |
5408 | buf[pos++] = (char) key; | |
5409 | } | |
5410 | } | |
5411 | ||
7a06ebdf JF |
5412 | /* Clear the status window */ |
5413 | status_empty = FALSE; | |
5414 | report(""); | |
5415 | ||
5416 | if (status == CANCEL) | |
9e21ce5c | 5417 | return NULL; |
ef5404a4 JF |
5418 | |
5419 | buf[pos++] = 0; | |
ef5404a4 | 5420 | |
9e21ce5c | 5421 | return buf; |
ef5404a4 | 5422 | } |
c34d9c9f JF |
5423 | |
5424 | /* | |
5425 | * Repository references | |
5426 | */ | |
5427 | ||
518234f1 DV |
5428 | static struct ref *refs = NULL; |
5429 | static size_t refs_alloc = 0; | |
5430 | static size_t refs_size = 0; | |
c34d9c9f | 5431 | |
1307df1a | 5432 | /* Id <-> ref store */ |
518234f1 DV |
5433 | static struct ref ***id_refs = NULL; |
5434 | static size_t id_refs_alloc = 0; | |
5435 | static size_t id_refs_size = 0; | |
1307df1a | 5436 | |
c34d9c9f JF |
5437 | static struct ref ** |
5438 | get_refs(char *id) | |
5439 | { | |
1307df1a JF |
5440 | struct ref ***tmp_id_refs; |
5441 | struct ref **ref_list = NULL; | |
518234f1 | 5442 | size_t ref_list_alloc = 0; |
1307df1a | 5443 | size_t ref_list_size = 0; |
c34d9c9f JF |
5444 | size_t i; |
5445 | ||
1307df1a JF |
5446 | for (i = 0; i < id_refs_size; i++) |
5447 | if (!strcmp(id, id_refs[i][0]->id)) | |
5448 | return id_refs[i]; | |
5449 | ||
518234f1 DV |
5450 | tmp_id_refs = realloc_items(id_refs, &id_refs_alloc, id_refs_size + 1, |
5451 | sizeof(*id_refs)); | |
1307df1a JF |
5452 | if (!tmp_id_refs) |
5453 | return NULL; | |
5454 | ||
5455 | id_refs = tmp_id_refs; | |
5456 | ||
c34d9c9f JF |
5457 | for (i = 0; i < refs_size; i++) { |
5458 | struct ref **tmp; | |
5459 | ||
5460 | if (strcmp(id, refs[i].id)) | |
5461 | continue; | |
5462 | ||
518234f1 DV |
5463 | tmp = realloc_items(ref_list, &ref_list_alloc, |
5464 | ref_list_size + 1, sizeof(*ref_list)); | |
c34d9c9f | 5465 | if (!tmp) { |
1307df1a JF |
5466 | if (ref_list) |
5467 | free(ref_list); | |
c34d9c9f JF |
5468 | return NULL; |
5469 | } | |
5470 | ||
1307df1a JF |
5471 | ref_list = tmp; |
5472 | if (ref_list_size > 0) | |
5473 | ref_list[ref_list_size - 1]->next = 1; | |
5474 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
5475 | |
5476 | /* XXX: The properties of the commit chains ensures that we can | |
5477 | * safely modify the shared ref. The repo references will | |
5478 | * always be similar for the same id. */ | |
1307df1a JF |
5479 | ref_list[ref_list_size]->next = 0; |
5480 | ref_list_size++; | |
c34d9c9f JF |
5481 | } |
5482 | ||
1307df1a JF |
5483 | if (ref_list) |
5484 | id_refs[id_refs_size++] = ref_list; | |
5485 | ||
5486 | return ref_list; | |
c34d9c9f JF |
5487 | } |
5488 | ||
5489 | static int | |
5699e0cf | 5490 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 5491 | { |
d0cea5f9 JF |
5492 | struct ref *ref; |
5493 | bool tag = FALSE; | |
2384880b | 5494 | bool ltag = FALSE; |
e15ec88e | 5495 | bool remote = FALSE; |
2384880b | 5496 | bool check_replace = FALSE; |
70ea8175 | 5497 | bool head = FALSE; |
d0cea5f9 | 5498 | |
8b0297ae | 5499 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
2384880b DV |
5500 | if (!strcmp(name + namelen - 3, "^{}")) { |
5501 | namelen -= 3; | |
5502 | name[namelen] = 0; | |
5503 | if (refs_size > 0 && refs[refs_size - 1].ltag == TRUE) | |
5504 | check_replace = TRUE; | |
5505 | } else { | |
5506 | ltag = TRUE; | |
5507 | } | |
c34d9c9f | 5508 | |
d0cea5f9 | 5509 | tag = TRUE; |
8b0297ae JF |
5510 | namelen -= STRING_SIZE("refs/tags/"); |
5511 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 5512 | |
e15ec88e JF |
5513 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
5514 | remote = TRUE; | |
5515 | namelen -= STRING_SIZE("refs/remotes/"); | |
5516 | name += STRING_SIZE("refs/remotes/"); | |
5517 | ||
d0cea5f9 | 5518 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
5519 | namelen -= STRING_SIZE("refs/heads/"); |
5520 | name += STRING_SIZE("refs/heads/"); | |
70ea8175 | 5521 | head = !strncmp(opt_head, name, namelen); |
c34d9c9f | 5522 | |
d0cea5f9 | 5523 | } else if (!strcmp(name, "HEAD")) { |
22d9b77c | 5524 | opt_no_head = FALSE; |
d0cea5f9 JF |
5525 | return OK; |
5526 | } | |
6706b2ba | 5527 | |
2384880b DV |
5528 | if (check_replace && !strcmp(name, refs[refs_size - 1].name)) { |
5529 | /* it's an annotated tag, replace the previous sha1 with the | |
5530 | * resolved commit id; relies on the fact git-ls-remote lists | |
5531 | * the commit id of an annotated tag right beofre the commit id | |
5532 | * it points to. */ | |
5533 | refs[refs_size - 1].ltag = ltag; | |
5534 | string_copy_rev(refs[refs_size - 1].id, id); | |
5535 | ||
5536 | return OK; | |
5537 | } | |
518234f1 | 5538 | refs = realloc_items(refs, &refs_alloc, refs_size + 1, sizeof(*refs)); |
d0cea5f9 JF |
5539 | if (!refs) |
5540 | return ERR; | |
c34d9c9f | 5541 | |
d0cea5f9 | 5542 | ref = &refs[refs_size++]; |
8b0297ae | 5543 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
5544 | if (!ref->name) |
5545 | return ERR; | |
3af8774e | 5546 | |
8b0297ae JF |
5547 | strncpy(ref->name, name, namelen); |
5548 | ref->name[namelen] = 0; | |
d0cea5f9 | 5549 | ref->tag = tag; |
2384880b | 5550 | ref->ltag = ltag; |
e15ec88e | 5551 | ref->remote = remote; |
70ea8175 | 5552 | ref->head = head; |
2463b4ea | 5553 | string_copy_rev(ref->id, id); |
3af8774e | 5554 | |
d0cea5f9 JF |
5555 | return OK; |
5556 | } | |
c34d9c9f | 5557 | |
d0cea5f9 JF |
5558 | static int |
5559 | load_refs(void) | |
5560 | { | |
5561 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
5562 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 5563 | |
4a63c884 | 5564 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 5565 | } |
c34d9c9f | 5566 | |
d0cea5f9 | 5567 | static int |
5699e0cf | 5568 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 5569 | { |
22913179 | 5570 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 5571 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 5572 | |
0cea0d43 JF |
5573 | if (!strcmp(name, "core.editor")) |
5574 | string_ncopy(opt_editor, value, valuelen); | |
5575 | ||
c34d9c9f JF |
5576 | return OK; |
5577 | } | |
5578 | ||
4670cf89 | 5579 | static int |
14c778a6 | 5580 | load_repo_config(void) |
4670cf89 | 5581 | { |
96e58f5b | 5582 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 5583 | "=", read_repo_config_option); |
d0cea5f9 JF |
5584 | } |
5585 | ||
5586 | static int | |
5699e0cf | 5587 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 5588 | { |
c38c64bb | 5589 | if (!opt_git_dir[0]) { |
810f0078 | 5590 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
5591 | |
5592 | } else if (opt_is_inside_work_tree == -1) { | |
5593 | /* This can be 3 different values depending on the | |
5594 | * version of git being used. If git-rev-parse does not | |
5595 | * understand --is-inside-work-tree it will simply echo | |
5596 | * the option else either "true" or "false" is printed. | |
5597 | * Default to true for the unknown case. */ | |
5598 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
5599 | ||
70ea8175 | 5600 | } else if (opt_cdup[0] == ' ') { |
739e81de | 5601 | string_ncopy(opt_cdup, name, namelen); |
70ea8175 JF |
5602 | } else { |
5603 | if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { | |
5604 | namelen -= STRING_SIZE("refs/heads/"); | |
5605 | name += STRING_SIZE("refs/heads/"); | |
5606 | string_ncopy(opt_head, name, namelen); | |
5607 | } | |
c38c64bb JF |
5608 | } |
5609 | ||
91c5d983 JF |
5610 | return OK; |
5611 | } | |
5612 | ||
5613 | static int | |
5614 | load_repo_info(void) | |
5615 | { | |
70ea8175 JF |
5616 | int result; |
5617 | FILE *pipe = popen("git rev-parse --git-dir --is-inside-work-tree " | |
5618 | " --show-cdup --symbolic-full-name HEAD 2>/dev/null", "r"); | |
5619 | ||
5620 | /* XXX: The line outputted by "--show-cdup" can be empty so | |
5621 | * initialize it to something invalid to make it possible to | |
5622 | * detect whether it has been set or not. */ | |
5623 | opt_cdup[0] = ' '; | |
5624 | ||
5625 | result = read_properties(pipe, "=", read_repo_info); | |
5626 | if (opt_cdup[0] == ' ') | |
5627 | opt_cdup[0] = 0; | |
5628 | ||
5629 | return result; | |
91c5d983 JF |
5630 | } |
5631 | ||
5632 | static int | |
4a63c884 | 5633 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 5634 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 5635 | { |
4670cf89 JF |
5636 | char buffer[BUFSIZ]; |
5637 | char *name; | |
d0cea5f9 | 5638 | int state = OK; |
4670cf89 JF |
5639 | |
5640 | if (!pipe) | |
5641 | return ERR; | |
5642 | ||
d0cea5f9 | 5643 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
5644 | char *value; |
5645 | size_t namelen; | |
5646 | size_t valuelen; | |
4670cf89 | 5647 | |
4a63c884 JF |
5648 | name = chomp_string(name); |
5649 | namelen = strcspn(name, separators); | |
5650 | ||
5651 | if (name[namelen]) { | |
5652 | name[namelen] = 0; | |
5653 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 5654 | valuelen = strlen(value); |
4670cf89 | 5655 | |
d0cea5f9 | 5656 | } else { |
d0cea5f9 JF |
5657 | value = ""; |
5658 | valuelen = 0; | |
4670cf89 | 5659 | } |
d0cea5f9 | 5660 | |
3c3801c2 | 5661 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
5662 | } |
5663 | ||
d0cea5f9 JF |
5664 | if (state != ERR && ferror(pipe)) |
5665 | state = ERR; | |
4670cf89 JF |
5666 | |
5667 | pclose(pipe); | |
5668 | ||
d0cea5f9 | 5669 | return state; |
4670cf89 JF |
5670 | } |
5671 | ||
d0cea5f9 | 5672 | |
6b161b31 JF |
5673 | /* |
5674 | * Main | |
5675 | */ | |
5676 | ||
b5c9e67f | 5677 | static void __NORETURN |
6b161b31 JF |
5678 | quit(int sig) |
5679 | { | |
8855ada4 JF |
5680 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
5681 | if (cursed) | |
5682 | endwin(); | |
6b161b31 JF |
5683 | exit(0); |
5684 | } | |
5685 | ||
c6704a4e JF |
5686 | static void __NORETURN |
5687 | die(const char *err, ...) | |
6b161b31 JF |
5688 | { |
5689 | va_list args; | |
5690 | ||
5691 | endwin(); | |
5692 | ||
5693 | va_start(args, err); | |
5694 | fputs("tig: ", stderr); | |
5695 | vfprintf(stderr, err, args); | |
5696 | fputs("\n", stderr); | |
5697 | va_end(args); | |
5698 | ||
5699 | exit(1); | |
5700 | } | |
5701 | ||
77452abc JF |
5702 | static void |
5703 | warn(const char *msg, ...) | |
5704 | { | |
5705 | va_list args; | |
5706 | ||
5707 | va_start(args, msg); | |
5708 | fputs("tig warning: ", stderr); | |
5709 | vfprintf(stderr, msg, args); | |
5710 | fputs("\n", stderr); | |
5711 | va_end(args); | |
5712 | } | |
5713 | ||
6b161b31 JF |
5714 | int |
5715 | main(int argc, char *argv[]) | |
5716 | { | |
1ba2ae4b | 5717 | struct view *view; |
6b161b31 | 5718 | enum request request; |
1ba2ae4b | 5719 | size_t i; |
6b161b31 JF |
5720 | |
5721 | signal(SIGINT, quit); | |
5722 | ||
6b68fd24 | 5723 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
5724 | char *codeset = nl_langinfo(CODESET); |
5725 | ||
5726 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
5727 | } |
5728 | ||
e0f50df0 JF |
5729 | if (load_repo_info() == ERR) |
5730 | die("Failed to load repo info."); | |
5731 | ||
660e09ad JF |
5732 | if (load_options() == ERR) |
5733 | die("Failed to load user config."); | |
5734 | ||
5735 | /* Load the repo config file so options can be overwritten from | |
739e81de | 5736 | * the command line. */ |
14c778a6 | 5737 | if (load_repo_config() == ERR) |
afdc35b3 | 5738 | die("Failed to load repo config."); |
91c5d983 | 5739 | |
8855ada4 | 5740 | if (!parse_options(argc, argv)) |
6b161b31 JF |
5741 | return 0; |
5742 | ||
58a5e4ea JF |
5743 | /* Require a git repository unless when running in pager mode. */ |
5744 | if (!opt_git_dir[0]) | |
5745 | die("Not a git repository"); | |
5746 | ||
504fbeeb JF |
5747 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
5748 | opt_utf8 = FALSE; | |
5749 | ||
6b68fd24 JF |
5750 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
5751 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 5752 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
5753 | die("Failed to initialize character set conversion"); |
5754 | } | |
5755 | ||
c34d9c9f JF |
5756 | if (load_refs() == ERR) |
5757 | die("Failed to load refs."); | |
5758 | ||
1ba2ae4b JF |
5759 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
5760 | view->cmd_env = getenv(view->cmd_env); | |
5761 | ||
6b161b31 JF |
5762 | request = opt_request; |
5763 | ||
5764 | init_display(); | |
b801d8b2 JF |
5765 | |
5766 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 5767 | int key; |
b801d8b2 JF |
5768 | int i; |
5769 | ||
699ae55b | 5770 | foreach_view (view, i) |
6b161b31 | 5771 | update_view(view); |
b801d8b2 JF |
5772 | |
5773 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 5774 | key = wgetch(status_win); |
04e2b7b2 | 5775 | |
cf4d82e6 JF |
5776 | /* wgetch() with nodelay() enabled returns ERR when there's no |
5777 | * input. */ | |
5778 | if (key == ERR) { | |
5779 | request = REQ_NONE; | |
8b534a13 | 5780 | continue; |
cf4d82e6 | 5781 | } |
04e2b7b2 JF |
5782 | |
5783 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 5784 | |
6706b2ba | 5785 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
5786 | * status_win restricted. */ |
5787 | switch (request) { | |
5788 | case REQ_PROMPT: | |
9e21ce5c JF |
5789 | { |
5790 | char *cmd = read_prompt(":"); | |
5791 | ||
5792 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
5793 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
5794 | opt_request = REQ_VIEW_DIFF; | |
5795 | } else { | |
5796 | opt_request = REQ_VIEW_PAGER; | |
5797 | } | |
5798 | break; | |
5799 | } | |
fac7db6c | 5800 | |
1d754561 | 5801 | request = REQ_NONE; |
9e21ce5c JF |
5802 | break; |
5803 | } | |
4af34daa JF |
5804 | case REQ_SEARCH: |
5805 | case REQ_SEARCH_BACK: | |
5806 | { | |
5807 | const char *prompt = request == REQ_SEARCH | |
5808 | ? "/" : "?"; | |
5809 | char *search = read_prompt(prompt); | |
5810 | ||
5811 | if (search) | |
739e81de | 5812 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5813 | else |
5814 | request = REQ_NONE; | |
5815 | break; | |
5816 | } | |
fac7db6c JF |
5817 | case REQ_SCREEN_RESIZE: |
5818 | { | |
5819 | int height, width; | |
5820 | ||
5821 | getmaxyx(stdscr, height, width); | |
5822 | ||
5823 | /* Resize the status view and let the view driver take | |
5824 | * care of resizing the displayed views. */ | |
5825 | wresize(status_win, 1, width); | |
5826 | mvwin(status_win, height - 1, 0); | |
5827 | wrefresh(status_win); | |
5828 | break; | |
5829 | } | |
5830 | default: | |
5831 | break; | |
03a93dbb | 5832 | } |
b801d8b2 JF |
5833 | } |
5834 | ||
5835 | quit(0); | |
5836 | ||
5837 | return 0; | |
5838 | } |