Commit | Line | Data |
---|---|---|
53924375 | 1 | /* Copyright (c) 2006-2007 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 JF |
96 | #define AUTHOR_COLS 20 |
97 | ||
a28bcc22 | 98 | /* The default interval between line numbers. */ |
4a2909a7 | 99 | #define NUMBER_INTERVAL 1 |
82e78006 | 100 | |
6706b2ba JF |
101 | #define TABSIZE 8 |
102 | ||
a28bcc22 JF |
103 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
104 | ||
96e58f5b | 105 | #ifndef GIT_CONFIG |
da633326 | 106 | #define GIT_CONFIG "git config" |
96e58f5b JF |
107 | #endif |
108 | ||
8eb62770 | 109 | #define TIG_LS_REMOTE \ |
337d7377 | 110 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
111 | |
112 | #define TIG_DIFF_CMD \ | |
ee74874b | 113 | "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null" |
8eb62770 JF |
114 | |
115 | #define TIG_LOG_CMD \ | |
8897e66a | 116 | "git log --no-color --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
117 | |
118 | #define TIG_MAIN_CMD \ | |
d3b19ca4 | 119 | "git log --no-color --topo-order --parents --boundary --pretty=raw %s 2>/dev/null" |
8eb62770 | 120 | |
e733ee54 JF |
121 | #define TIG_TREE_CMD \ |
122 | "git ls-tree %s %s" | |
123 | ||
124 | #define TIG_BLOB_CMD \ | |
125 | "git cat-file blob %s" | |
126 | ||
8eb62770 JF |
127 | /* XXX: Needs to be defined to the empty string. */ |
128 | #define TIG_HELP_CMD "" | |
129 | #define TIG_PAGER_CMD "" | |
173d76ea | 130 | #define TIG_STATUS_CMD "" |
3e634113 | 131 | #define TIG_STAGE_CMD "" |
8eb62770 | 132 | |
8855ada4 | 133 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
134 | #define KEY_TAB '\t' |
135 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
136 | #define KEY_ESC 27 |
137 | ||
6706b2ba | 138 | |
c34d9c9f | 139 | struct ref { |
468876c9 | 140 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 141 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 142 | unsigned int tag:1; /* Is it a tag? */ |
2384880b | 143 | unsigned int ltag:1; /* If so, is the tag local? */ |
e15ec88e | 144 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 145 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
146 | }; |
147 | ||
ff26aa29 | 148 | static struct ref **get_refs(char *id); |
4c6fabc2 | 149 | |
660e09ad JF |
150 | struct int_map { |
151 | const char *name; | |
152 | int namelen; | |
153 | int value; | |
154 | }; | |
155 | ||
156 | static int | |
157 | set_from_int_map(struct int_map *map, size_t map_size, | |
158 | int *value, const char *name, int namelen) | |
159 | { | |
160 | ||
161 | int i; | |
162 | ||
163 | for (i = 0; i < map_size; i++) | |
164 | if (namelen == map[i].namelen && | |
165 | !strncasecmp(name, map[i].name, namelen)) { | |
166 | *value = map[i].value; | |
167 | return OK; | |
168 | } | |
169 | ||
170 | return ERR; | |
171 | } | |
172 | ||
6706b2ba | 173 | |
03a93dbb JF |
174 | /* |
175 | * String helpers | |
176 | */ | |
78c70acd | 177 | |
82e78006 | 178 | static inline void |
9a48919b | 179 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 180 | { |
9a48919b JF |
181 | if (srclen > dstlen - 1) |
182 | srclen = dstlen - 1; | |
03a93dbb | 183 | |
9a48919b JF |
184 | strncpy(dst, src, srclen); |
185 | dst[srclen] = 0; | |
82e78006 JF |
186 | } |
187 | ||
9a48919b JF |
188 | /* Shorthands for safely copying into a fixed buffer. */ |
189 | ||
82e78006 | 190 | #define string_copy(dst, src) \ |
751e27c9 | 191 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
192 | |
193 | #define string_ncopy(dst, src, srclen) \ | |
194 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 195 | |
2463b4ea JF |
196 | #define string_copy_rev(dst, src) \ |
197 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
198 | ||
91c5d983 JF |
199 | #define string_add(dst, from, src) \ |
200 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
201 | ||
4a63c884 JF |
202 | static char * |
203 | chomp_string(char *name) | |
204 | { | |
205 | int namelen; | |
206 | ||
207 | while (isspace(*name)) | |
208 | name++; | |
209 | ||
210 | namelen = strlen(name) - 1; | |
211 | while (namelen > 0 && isspace(name[namelen])) | |
212 | name[namelen--] = 0; | |
213 | ||
214 | return name; | |
215 | } | |
216 | ||
cc2d1364 | 217 | static bool |
d65ced0d | 218 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
219 | { |
220 | va_list args; | |
d65ced0d | 221 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
222 | |
223 | va_start(args, fmt); | |
224 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
225 | va_end(args); | |
226 | ||
227 | if (bufpos) | |
228 | *bufpos = pos; | |
229 | ||
230 | return pos >= bufsize ? FALSE : TRUE; | |
231 | } | |
232 | ||
233 | #define string_format(buf, fmt, args...) \ | |
234 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
235 | ||
236 | #define string_format_from(buf, from, fmt, args...) \ | |
237 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 238 | |
201f5a18 JF |
239 | static int |
240 | string_enum_compare(const char *str1, const char *str2, int len) | |
241 | { | |
242 | size_t i; | |
243 | ||
244 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
245 | ||
246 | /* Diff-Header == DIFF_HEADER */ | |
247 | for (i = 0; i < len; i++) { | |
248 | if (toupper(str1[i]) == toupper(str2[i])) | |
249 | continue; | |
250 | ||
251 | if (string_enum_sep(str1[i]) && | |
252 | string_enum_sep(str2[i])) | |
253 | continue; | |
254 | ||
255 | return str1[i] - str2[i]; | |
256 | } | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
03a93dbb JF |
261 | /* Shell quoting |
262 | * | |
263 | * NOTE: The following is a slightly modified copy of the git project's shell | |
264 | * quoting routines found in the quote.c file. | |
265 | * | |
266 | * Help to copy the thing properly quoted for the shell safety. any single | |
267 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
268 | * and the whole thing is enclosed in a | |
269 | * | |
270 | * E.g. | |
271 | * original sq_quote result | |
272 | * name ==> name ==> 'name' | |
273 | * a b ==> a b ==> 'a b' | |
274 | * a'b ==> a'\''b ==> 'a'\''b' | |
275 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
276 | */ | |
277 | ||
278 | static size_t | |
17482b11 | 279 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
280 | { |
281 | char c; | |
282 | ||
17482b11 | 283 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
284 | |
285 | BUFPUT('\''); | |
286 | while ((c = *src++)) { | |
287 | if (c == '\'' || c == '!') { | |
288 | BUFPUT('\''); | |
289 | BUFPUT('\\'); | |
290 | BUFPUT(c); | |
291 | BUFPUT('\''); | |
292 | } else { | |
293 | BUFPUT(c); | |
294 | } | |
295 | } | |
296 | BUFPUT('\''); | |
297 | ||
f0f114ac JF |
298 | if (bufsize < SIZEOF_STR) |
299 | buf[bufsize] = 0; | |
300 | ||
03a93dbb JF |
301 | return bufsize; |
302 | } | |
303 | ||
82e78006 | 304 | |
24b5b3e0 JF |
305 | /* |
306 | * User requests | |
307 | */ | |
308 | ||
309 | #define REQ_INFO \ | |
310 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
311 | REQ_GROUP("View switching") \ | |
312 | REQ_(VIEW_MAIN, "Show main view"), \ | |
313 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
314 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
315 | REQ_(VIEW_TREE, "Show tree view"), \ |
316 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
317 | REQ_(VIEW_HELP, "Show help page"), \ |
318 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 319 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 320 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
321 | \ |
322 | REQ_GROUP("View manipulation") \ | |
323 | REQ_(ENTER, "Enter current line and scroll"), \ | |
324 | REQ_(NEXT, "Move to next"), \ | |
325 | REQ_(PREVIOUS, "Move to previous"), \ | |
326 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
acaef3b3 | 327 | REQ_(REFRESH, "Reload and refresh"), \ |
24b5b3e0 JF |
328 | REQ_(VIEW_CLOSE, "Close the current view"), \ |
329 | REQ_(QUIT, "Close all views and quit"), \ | |
330 | \ | |
331 | REQ_GROUP("Cursor navigation") \ | |
332 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
333 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
334 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
335 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
336 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
337 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
338 | \ | |
339 | REQ_GROUP("Scrolling") \ | |
340 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
341 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
342 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
343 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
344 | \ | |
4af34daa JF |
345 | REQ_GROUP("Searching") \ |
346 | REQ_(SEARCH, "Search the view"), \ | |
347 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
348 | REQ_(FIND_NEXT, "Find next search match"), \ | |
349 | REQ_(FIND_PREV, "Find previous search match"), \ | |
350 | \ | |
24b5b3e0 JF |
351 | REQ_GROUP("Misc") \ |
352 | REQ_(PROMPT, "Bring up the prompt"), \ | |
24b5b3e0 JF |
353 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
354 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
355 | REQ_(SHOW_VERSION, "Show version information"), \ | |
356 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 357 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
823057f4 DV |
358 | REQ_(TOGGLE_DATE, "Toggle date display"), \ |
359 | REQ_(TOGGLE_AUTHOR, "Toggle author display"), \ | |
ca1d71ea | 360 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
823057f4 | 361 | REQ_(TOGGLE_REFS, "Toggle reference display (tags/branches)"), \ |
0cea0d43 | 362 | REQ_(STATUS_UPDATE, "Update file status"), \ |
b5c18d9d | 363 | REQ_(STATUS_MERGE, "Merge file using external tool"), \ |
c509eed2 | 364 | REQ_(TREE_PARENT, "Switch to parent directory in tree view"), \ |
226da94b | 365 | REQ_(EDIT, "Open in editor"), \ |
d31a629d | 366 | REQ_(NONE, "Do nothing") |
24b5b3e0 JF |
367 | |
368 | ||
369 | /* User action requests. */ | |
370 | enum request { | |
371 | #define REQ_GROUP(help) | |
372 | #define REQ_(req, help) REQ_##req | |
373 | ||
374 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
375 | REQ_OFFSET = KEY_MAX + 1, | |
d31a629d | 376 | REQ_INFO |
24b5b3e0 JF |
377 | |
378 | #undef REQ_GROUP | |
379 | #undef REQ_ | |
380 | }; | |
381 | ||
382 | struct request_info { | |
383 | enum request request; | |
04e2b7b2 JF |
384 | char *name; |
385 | int namelen; | |
24b5b3e0 JF |
386 | char *help; |
387 | }; | |
388 | ||
389 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
390 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
391 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
392 | REQ_INFO |
393 | #undef REQ_GROUP | |
394 | #undef REQ_ | |
395 | }; | |
396 | ||
04e2b7b2 JF |
397 | static enum request |
398 | get_request(const char *name) | |
399 | { | |
400 | int namelen = strlen(name); | |
401 | int i; | |
402 | ||
403 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
404 | if (req_info[i].namelen == namelen && | |
405 | !string_enum_compare(req_info[i].name, name, namelen)) | |
406 | return req_info[i].request; | |
407 | ||
d31a629d | 408 | return REQ_NONE; |
04e2b7b2 JF |
409 | } |
410 | ||
411 | ||
8eb62770 JF |
412 | /* |
413 | * Options | |
414 | */ | |
b76c2afc | 415 | |
4b8c01a3 | 416 | static const char usage[] = |
ec31d0d0 | 417 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 | 418 | "\n" |
77452abc JF |
419 | "Usage: tig [options] [revs] [--] [paths]\n" |
420 | " or: tig show [options] [revs] [--] [paths]\n" | |
421 | " or: tig status\n" | |
422 | " or: tig < [git command output]\n" | |
4b8c01a3 JF |
423 | "\n" |
424 | "Options:\n" | |
77452abc JF |
425 | " -v, --version Show version and exit\n" |
426 | " -h, --help Show help message and exit\n"; | |
4b8c01a3 | 427 | |
6706b2ba | 428 | /* Option and state variables. */ |
823057f4 DV |
429 | static bool opt_date = TRUE; |
430 | static bool opt_author = TRUE; | |
92d30f5c | 431 | static bool opt_line_number = FALSE; |
11ce319e | 432 | static bool opt_rev_graph = FALSE; |
823057f4 | 433 | static bool opt_show_refs = TRUE; |
92d30f5c JF |
434 | static int opt_num_interval = NUMBER_INTERVAL; |
435 | static int opt_tab_size = TABSIZE; | |
436 | static enum request opt_request = REQ_VIEW_MAIN; | |
437 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 438 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
439 | static FILE *opt_pipe = NULL; |
440 | static char opt_encoding[20] = "UTF-8"; | |
441 | static bool opt_utf8 = TRUE; | |
442 | static char opt_codeset[20] = "UTF-8"; | |
443 | static iconv_t opt_iconv = ICONV_NONE; | |
444 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 445 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 446 | static char opt_git_dir[SIZEOF_STR] = ""; |
5bdd523b | 447 | static signed char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */ |
0cea0d43 | 448 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 449 | |
6dbf6c19 JF |
450 | enum option_type { |
451 | OPT_NONE, | |
452 | OPT_INT, | |
453 | }; | |
454 | ||
455 | static bool | |
456 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
457 | { | |
458 | va_list args; | |
459 | char *value = ""; | |
460 | int *number; | |
461 | ||
462 | if (opt[0] != '-') | |
463 | return FALSE; | |
464 | ||
465 | if (opt[1] == '-') { | |
466 | int namelen = strlen(name); | |
467 | ||
468 | opt += 2; | |
469 | ||
470 | if (strncmp(opt, name, namelen)) | |
471 | return FALSE; | |
472 | ||
473 | if (opt[namelen] == '=') | |
474 | value = opt + namelen + 1; | |
475 | ||
476 | } else { | |
477 | if (!short_name || opt[1] != short_name) | |
478 | return FALSE; | |
479 | value = opt + 2; | |
480 | } | |
481 | ||
482 | va_start(args, type); | |
483 | if (type == OPT_INT) { | |
484 | number = va_arg(args, int *); | |
485 | if (isdigit(*value)) | |
486 | *number = atoi(value); | |
487 | } | |
488 | va_end(args); | |
489 | ||
490 | return TRUE; | |
491 | } | |
492 | ||
b76c2afc | 493 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 494 | static bool |
b76c2afc JF |
495 | parse_options(int argc, char *argv[]) |
496 | { | |
77452abc JF |
497 | char *altargv[1024]; |
498 | int altargc = 0; | |
c36979d9 | 499 | char *subcommand; |
b76c2afc JF |
500 | int i; |
501 | ||
c36979d9 JF |
502 | if (argc <= 1) |
503 | return TRUE; | |
b76c2afc | 504 | |
c36979d9 JF |
505 | subcommand = argv[1]; |
506 | if (!strcmp(subcommand, "status")) { | |
507 | opt_request = REQ_VIEW_STATUS; | |
508 | if (argc > 2) | |
509 | warn("ignoring arguments after `%s'", subcommand); | |
510 | return TRUE; | |
77452abc | 511 | |
c36979d9 JF |
512 | } else if (!strcmp(subcommand, "show")) { |
513 | opt_request = REQ_VIEW_DIFF; | |
77452abc | 514 | |
c36979d9 JF |
515 | } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) { |
516 | opt_request = subcommand[0] == 'l' | |
517 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
518 | warn("`tig %s' has been deprecated", subcommand); | |
519 | ||
520 | } else { | |
521 | subcommand = NULL; | |
522 | } | |
523 | ||
524 | for (i = 1 + !!subcommand; i < argc; i++) { | |
525 | char *opt = argv[i]; | |
3621d94e | 526 | |
8d27b36e JF |
527 | if (opt[0] && opt[0] != '-') |
528 | break; | |
529 | ||
bfe97931 JF |
530 | if (!strcmp(opt, "--")) { |
531 | i++; | |
532 | break; | |
533 | } | |
534 | ||
535 | if (check_option(opt, 'v', "version", OPT_NONE)) { | |
536 | printf("tig version %s\n", TIG_VERSION); | |
537 | return FALSE; | |
538 | } | |
539 | ||
540 | if (check_option(opt, 'h', "help", OPT_NONE)) { | |
541 | printf(usage); | |
542 | return FALSE; | |
543 | } | |
544 | ||
545 | if (!strcmp(opt, "-S")) { | |
77452abc | 546 | warn("`%s' has been deprecated; use `tig status' instead", opt); |
bfe97931 JF |
547 | opt_request = REQ_VIEW_STATUS; |
548 | continue; | |
549 | } | |
550 | ||
6b161b31 | 551 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 552 | opt_request = REQ_VIEW_LOG; |
77452abc | 553 | } else if (!strcmp(opt, "-d")) { |
4a2909a7 | 554 | opt_request = REQ_VIEW_DIFF; |
77452abc | 555 | } else if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 | 556 | opt_line_number = TRUE; |
77452abc | 557 | } else if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
6dbf6c19 | 558 | opt_tab_size = MIN(opt_tab_size, TABSIZE); |
77452abc JF |
559 | } else { |
560 | if (altargc >= ARRAY_SIZE(altargv)) | |
561 | die("maximum number of arguments exceeded"); | |
562 | altargv[altargc++] = opt; | |
6706b2ba JF |
563 | continue; |
564 | } | |
565 | ||
77452abc | 566 | warn("`%s' has been deprecated", opt); |
b76c2afc JF |
567 | } |
568 | ||
6908bdbd | 569 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
570 | opt_request = REQ_VIEW_PAGER; |
571 | opt_pipe = stdin; | |
572 | ||
77452abc JF |
573 | } else if (i < argc || altargc > 0) { |
574 | int alti = 0; | |
6908bdbd JF |
575 | size_t buf_size; |
576 | ||
6908bdbd | 577 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
578 | /* XXX: This is vulnerable to the user overriding |
579 | * options required for the main view parser. */ | |
d3b19ca4 | 580 | string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents"); |
6908bdbd | 581 | else |
c36979d9 | 582 | string_format(opt_cmd, "git %s", subcommand); |
6908bdbd JF |
583 | buf_size = strlen(opt_cmd); |
584 | ||
77452abc JF |
585 | while (buf_size < sizeof(opt_cmd) && alti < altargc) { |
586 | opt_cmd[buf_size++] = ' '; | |
587 | buf_size = sq_quote(opt_cmd, buf_size, altargv[alti++]); | |
588 | } | |
589 | ||
6908bdbd JF |
590 | while (buf_size < sizeof(opt_cmd) && i < argc) { |
591 | opt_cmd[buf_size++] = ' '; | |
592 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
593 | } | |
594 | ||
595 | if (buf_size >= sizeof(opt_cmd)) | |
596 | die("command too long"); | |
597 | ||
598 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
599 | } |
600 | ||
8855ada4 | 601 | return TRUE; |
b76c2afc JF |
602 | } |
603 | ||
604 | ||
54efb62b JF |
605 | /* |
606 | * Line-oriented content detection. | |
607 | */ | |
608 | ||
2e8488b4 | 609 | #define LINE_INFO \ |
660e09ad | 610 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
611 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
612 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
613 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
614 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
615 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
616 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
617 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
618 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
619 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
620 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
621 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
622 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
623 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 624 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 625 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
626 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
627 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
628 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
629 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 630 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
631 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
632 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
633 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 634 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 635 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 636 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 637 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
638 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
639 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
640 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
641 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
642 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
643 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
644 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
645 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
646 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
647 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
2384880b | 648 | LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ |
e15ec88e | 649 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 650 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
f83b1c33 | 651 | LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
e733ee54 | 652 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 653 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 654 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 655 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
656 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
657 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 658 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 659 | |
78c70acd | 660 | enum line_type { |
2e8488b4 JF |
661 | #define LINE(type, line, fg, bg, attr) \ |
662 | LINE_##type | |
663 | LINE_INFO | |
664 | #undef LINE | |
78c70acd JF |
665 | }; |
666 | ||
667 | struct line_info { | |
660e09ad JF |
668 | const char *name; /* Option name. */ |
669 | int namelen; /* Size of option name. */ | |
4685845e | 670 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
671 | int linelen; /* Size of string to match. */ |
672 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
673 | }; |
674 | ||
2e8488b4 | 675 | static struct line_info line_info[] = { |
78c70acd | 676 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 677 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
678 | LINE_INFO |
679 | #undef LINE | |
78c70acd JF |
680 | }; |
681 | ||
2e8488b4 JF |
682 | static enum line_type |
683 | get_line_type(char *line) | |
78c70acd JF |
684 | { |
685 | int linelen = strlen(line); | |
a28bcc22 | 686 | enum line_type type; |
78c70acd | 687 | |
a28bcc22 | 688 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 689 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
690 | if (linelen >= line_info[type].linelen && |
691 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
692 | return type; | |
78c70acd | 693 | |
2e8488b4 | 694 | return LINE_DEFAULT; |
78c70acd JF |
695 | } |
696 | ||
2e8488b4 | 697 | static inline int |
78c70acd JF |
698 | get_line_attr(enum line_type type) |
699 | { | |
2e8488b4 JF |
700 | assert(type < ARRAY_SIZE(line_info)); |
701 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
702 | } |
703 | ||
660e09ad JF |
704 | static struct line_info * |
705 | get_line_info(char *name, int namelen) | |
706 | { | |
707 | enum line_type type; | |
660e09ad JF |
708 | |
709 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
710 | if (namelen == line_info[type].namelen && | |
201f5a18 | 711 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
712 | return &line_info[type]; |
713 | ||
714 | return NULL; | |
715 | } | |
716 | ||
78c70acd JF |
717 | static void |
718 | init_colors(void) | |
719 | { | |
62c7d1a7 JF |
720 | int default_bg = line_info[LINE_DEFAULT].bg; |
721 | int default_fg = line_info[LINE_DEFAULT].fg; | |
a28bcc22 | 722 | enum line_type type; |
78c70acd JF |
723 | |
724 | start_color(); | |
725 | ||
62c7d1a7 JF |
726 | if (assume_default_colors(default_fg, default_bg) == ERR) { |
727 | default_bg = COLOR_BLACK; | |
728 | default_fg = COLOR_WHITE; | |
78c70acd JF |
729 | } |
730 | ||
a28bcc22 JF |
731 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
732 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
733 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
734 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 735 | |
a28bcc22 | 736 | init_pair(type, fg, bg); |
78c70acd JF |
737 | } |
738 | } | |
739 | ||
fe7233c3 JF |
740 | struct line { |
741 | enum line_type type; | |
3c571d67 JF |
742 | |
743 | /* State flags */ | |
744 | unsigned int selected:1; | |
745 | ||
fe7233c3 JF |
746 | void *data; /* User data */ |
747 | }; | |
748 | ||
78c70acd | 749 | |
1899507c | 750 | /* |
37157fa0 JF |
751 | * Keys |
752 | */ | |
753 | ||
93a97d86 | 754 | struct keybinding { |
37157fa0 | 755 | int alias; |
93a97d86 | 756 | enum request request; |
04e2b7b2 | 757 | struct keybinding *next; |
37157fa0 JF |
758 | }; |
759 | ||
93a97d86 | 760 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
761 | /* View switching */ |
762 | { 'm', REQ_VIEW_MAIN }, | |
763 | { 'd', REQ_VIEW_DIFF }, | |
764 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 765 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 766 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
767 | { 'p', REQ_VIEW_PAGER }, |
768 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 769 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 770 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
771 | |
772 | /* View manipulation */ | |
773 | { 'q', REQ_VIEW_CLOSE }, | |
774 | { KEY_TAB, REQ_VIEW_NEXT }, | |
775 | { KEY_RETURN, REQ_ENTER }, | |
776 | { KEY_UP, REQ_PREVIOUS }, | |
777 | { KEY_DOWN, REQ_NEXT }, | |
acaef3b3 | 778 | { 'R', REQ_REFRESH }, |
37157fa0 JF |
779 | |
780 | /* Cursor navigation */ | |
781 | { 'k', REQ_MOVE_UP }, | |
782 | { 'j', REQ_MOVE_DOWN }, | |
783 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
784 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
785 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
786 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
787 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
788 | { 'b', REQ_MOVE_PAGE_UP }, | |
789 | { '-', REQ_MOVE_PAGE_UP }, | |
790 | ||
791 | /* Scrolling */ | |
792 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
793 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
794 | { 'w', REQ_SCROLL_PAGE_UP }, | |
795 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
796 | ||
4af34daa JF |
797 | /* Searching */ |
798 | { '/', REQ_SEARCH }, | |
799 | { '?', REQ_SEARCH_BACK }, | |
800 | { 'n', REQ_FIND_NEXT }, | |
801 | { 'N', REQ_FIND_PREV }, | |
802 | ||
37157fa0 JF |
803 | /* Misc */ |
804 | { 'Q', REQ_QUIT }, | |
805 | { 'z', REQ_STOP_LOADING }, | |
806 | { 'v', REQ_SHOW_VERSION }, | |
807 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 808 | { '.', REQ_TOGGLE_LINENO }, |
823057f4 DV |
809 | { 'D', REQ_TOGGLE_DATE }, |
810 | { 'A', REQ_TOGGLE_AUTHOR }, | |
73fb51d5 | 811 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
823057f4 | 812 | { 'F', REQ_TOGGLE_REFS }, |
37157fa0 | 813 | { ':', REQ_PROMPT }, |
ca1d71ea | 814 | { 'u', REQ_STATUS_UPDATE }, |
b5c18d9d | 815 | { 'M', REQ_STATUS_MERGE }, |
c509eed2 | 816 | { ',', REQ_TREE_PARENT }, |
0cea0d43 | 817 | { 'e', REQ_EDIT }, |
37157fa0 | 818 | |
1d754561 | 819 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
820 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
821 | }; | |
822 | ||
04e2b7b2 JF |
823 | #define KEYMAP_INFO \ |
824 | KEYMAP_(GENERIC), \ | |
825 | KEYMAP_(MAIN), \ | |
826 | KEYMAP_(DIFF), \ | |
827 | KEYMAP_(LOG), \ | |
e733ee54 JF |
828 | KEYMAP_(TREE), \ |
829 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 830 | KEYMAP_(PAGER), \ |
173d76ea | 831 | KEYMAP_(HELP), \ |
3e634113 JF |
832 | KEYMAP_(STATUS), \ |
833 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
834 | |
835 | enum keymap { | |
836 | #define KEYMAP_(name) KEYMAP_##name | |
837 | KEYMAP_INFO | |
838 | #undef KEYMAP_ | |
839 | }; | |
840 | ||
841 | static struct int_map keymap_table[] = { | |
842 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
843 | KEYMAP_INFO | |
844 | #undef KEYMAP_ | |
845 | }; | |
846 | ||
847 | #define set_keymap(map, name) \ | |
848 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
849 | ||
850 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
851 | ||
852 | static void | |
853 | add_keybinding(enum keymap keymap, enum request request, int key) | |
854 | { | |
855 | struct keybinding *keybinding; | |
856 | ||
857 | keybinding = calloc(1, sizeof(*keybinding)); | |
858 | if (!keybinding) | |
859 | die("Failed to allocate keybinding"); | |
860 | ||
861 | keybinding->alias = key; | |
862 | keybinding->request = request; | |
863 | keybinding->next = keybindings[keymap]; | |
864 | keybindings[keymap] = keybinding; | |
865 | } | |
866 | ||
867 | /* Looks for a key binding first in the given map, then in the generic map, and | |
868 | * lastly in the default keybindings. */ | |
37157fa0 | 869 | static enum request |
04e2b7b2 | 870 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 871 | { |
04e2b7b2 | 872 | struct keybinding *kbd; |
37157fa0 JF |
873 | int i; |
874 | ||
04e2b7b2 JF |
875 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
876 | if (kbd->alias == key) | |
877 | return kbd->request; | |
878 | ||
879 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
880 | if (kbd->alias == key) | |
881 | return kbd->request; | |
882 | ||
93a97d86 JF |
883 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
884 | if (default_keybindings[i].alias == key) | |
885 | return default_keybindings[i].request; | |
37157fa0 JF |
886 | |
887 | return (enum request) key; | |
888 | } | |
889 | ||
93a97d86 | 890 | |
37157fa0 JF |
891 | struct key { |
892 | char *name; | |
893 | int value; | |
894 | }; | |
895 | ||
896 | static struct key key_table[] = { | |
897 | { "Enter", KEY_RETURN }, | |
898 | { "Space", ' ' }, | |
899 | { "Backspace", KEY_BACKSPACE }, | |
900 | { "Tab", KEY_TAB }, | |
901 | { "Escape", KEY_ESC }, | |
902 | { "Left", KEY_LEFT }, | |
903 | { "Right", KEY_RIGHT }, | |
904 | { "Up", KEY_UP }, | |
905 | { "Down", KEY_DOWN }, | |
906 | { "Insert", KEY_IC }, | |
907 | { "Delete", KEY_DC }, | |
74f83ee6 | 908 | { "Hash", '#' }, |
37157fa0 JF |
909 | { "Home", KEY_HOME }, |
910 | { "End", KEY_END }, | |
911 | { "PageUp", KEY_PPAGE }, | |
912 | { "PageDown", KEY_NPAGE }, | |
913 | { "F1", KEY_F(1) }, | |
914 | { "F2", KEY_F(2) }, | |
915 | { "F3", KEY_F(3) }, | |
916 | { "F4", KEY_F(4) }, | |
917 | { "F5", KEY_F(5) }, | |
918 | { "F6", KEY_F(6) }, | |
919 | { "F7", KEY_F(7) }, | |
920 | { "F8", KEY_F(8) }, | |
921 | { "F9", KEY_F(9) }, | |
922 | { "F10", KEY_F(10) }, | |
923 | { "F11", KEY_F(11) }, | |
924 | { "F12", KEY_F(12) }, | |
925 | }; | |
926 | ||
04e2b7b2 JF |
927 | static int |
928 | get_key_value(const char *name) | |
929 | { | |
930 | int i; | |
931 | ||
932 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
933 | if (!strcasecmp(key_table[i].name, name)) | |
934 | return key_table[i].value; | |
935 | ||
936 | if (strlen(name) == 1 && isprint(*name)) | |
937 | return (int) *name; | |
938 | ||
939 | return ERR; | |
940 | } | |
941 | ||
37157fa0 | 942 | static char * |
9eb14b72 JF |
943 | get_key_name(int key_value) |
944 | { | |
945 | static char key_char[] = "'X'"; | |
946 | char *seq = NULL; | |
947 | int key; | |
948 | ||
949 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
950 | if (key_table[key].value == key_value) | |
951 | seq = key_table[key].name; | |
952 | ||
953 | if (seq == NULL && | |
954 | key_value < 127 && | |
955 | isprint(key_value)) { | |
956 | key_char[1] = (char) key_value; | |
957 | seq = key_char; | |
958 | } | |
959 | ||
960 | return seq ? seq : "'?'"; | |
961 | } | |
962 | ||
963 | static char * | |
37157fa0 JF |
964 | get_key(enum request request) |
965 | { | |
966 | static char buf[BUFSIZ]; | |
d65ced0d | 967 | size_t pos = 0; |
520094b4 | 968 | char *sep = ""; |
37157fa0 JF |
969 | int i; |
970 | ||
971 | buf[pos] = 0; | |
972 | ||
93a97d86 JF |
973 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
974 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 | 975 | |
93a97d86 | 976 | if (keybinding->request != request) |
37157fa0 JF |
977 | continue; |
978 | ||
738bee4a JF |
979 | if (!string_format_from(buf, &pos, "%s%s", sep, |
980 | get_key_name(keybinding->alias))) | |
37157fa0 JF |
981 | return "Too many keybindings!"; |
982 | sep = ", "; | |
983 | } | |
984 | ||
985 | return buf; | |
986 | } | |
987 | ||
9eb14b72 JF |
988 | struct run_request { |
989 | enum keymap keymap; | |
990 | int key; | |
991 | char cmd[SIZEOF_STR]; | |
992 | }; | |
993 | ||
994 | static struct run_request *run_request; | |
995 | static size_t run_requests; | |
996 | ||
997 | static enum request | |
998 | add_run_request(enum keymap keymap, int key, int argc, char **argv) | |
999 | { | |
1000 | struct run_request *tmp; | |
1001 | struct run_request req = { keymap, key }; | |
1002 | size_t bufpos; | |
1003 | ||
1004 | for (bufpos = 0; argc > 0; argc--, argv++) | |
1005 | if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) | |
1006 | return REQ_NONE; | |
1007 | ||
1008 | req.cmd[bufpos - 1] = 0; | |
1009 | ||
1010 | tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); | |
1011 | if (!tmp) | |
1012 | return REQ_NONE; | |
1013 | ||
1014 | run_request = tmp; | |
1015 | run_request[run_requests++] = req; | |
1016 | ||
1017 | return REQ_NONE + run_requests; | |
1018 | } | |
1019 | ||
1020 | static struct run_request * | |
1021 | get_run_request(enum request request) | |
1022 | { | |
1023 | if (request <= REQ_NONE) | |
1024 | return NULL; | |
1025 | return &run_request[request - REQ_NONE - 1]; | |
1026 | } | |
37157fa0 | 1027 | |
f655964f JF |
1028 | static void |
1029 | add_builtin_run_requests(void) | |
1030 | { | |
1031 | struct { | |
1032 | enum keymap keymap; | |
1033 | int key; | |
1034 | char *argv[1]; | |
1035 | } reqs[] = { | |
1036 | { KEYMAP_MAIN, 'C', { "git cherry-pick %(commit)" } }, | |
1037 | { KEYMAP_GENERIC, 'G', { "git gc" } }, | |
1038 | }; | |
1039 | int i; | |
1040 | ||
1041 | for (i = 0; i < ARRAY_SIZE(reqs); i++) { | |
1042 | enum request req; | |
1043 | ||
1044 | req = add_run_request(reqs[i].keymap, reqs[i].key, 1, reqs[i].argv); | |
1045 | if (req != REQ_NONE) | |
1046 | add_keybinding(reqs[i].keymap, req, reqs[i].key); | |
1047 | } | |
1048 | } | |
1049 | ||
37157fa0 | 1050 | /* |
1899507c JF |
1051 | * User config file handling. |
1052 | */ | |
1053 | ||
5dc795f2 JF |
1054 | static struct int_map color_map[] = { |
1055 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
1056 | COLOR_MAP(DEFAULT), | |
1057 | COLOR_MAP(BLACK), | |
1058 | COLOR_MAP(BLUE), | |
1059 | COLOR_MAP(CYAN), | |
1060 | COLOR_MAP(GREEN), | |
1061 | COLOR_MAP(MAGENTA), | |
1062 | COLOR_MAP(RED), | |
1063 | COLOR_MAP(WHITE), | |
1064 | COLOR_MAP(YELLOW), | |
1065 | }; | |
1066 | ||
9256ab05 JF |
1067 | #define set_color(color, name) \ |
1068 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 1069 | |
5dc795f2 JF |
1070 | static struct int_map attr_map[] = { |
1071 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
1072 | ATTR_MAP(NORMAL), | |
1073 | ATTR_MAP(BLINK), | |
1074 | ATTR_MAP(BOLD), | |
1075 | ATTR_MAP(DIM), | |
1076 | ATTR_MAP(REVERSE), | |
1077 | ATTR_MAP(STANDOUT), | |
1078 | ATTR_MAP(UNDERLINE), | |
1079 | }; | |
1080 | ||
9256ab05 JF |
1081 | #define set_attribute(attr, name) \ |
1082 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 1083 | |
3c3801c2 JF |
1084 | static int config_lineno; |
1085 | static bool config_errors; | |
1086 | static char *config_msg; | |
1087 | ||
5bfd96c7 | 1088 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 1089 | static int |
5bfd96c7 | 1090 | option_color_command(int argc, char *argv[]) |
660e09ad | 1091 | { |
bca8fcaa JF |
1092 | struct line_info *info; |
1093 | ||
9256ab05 JF |
1094 | if (argc != 3 && argc != 4) { |
1095 | config_msg = "Wrong number of arguments given to color command"; | |
1096 | return ERR; | |
1097 | } | |
1098 | ||
1099 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1100 | if (!info) { |
1101 | config_msg = "Unknown color name"; | |
1102 | return ERR; | |
1103 | } | |
660e09ad | 1104 | |
a3653368 JF |
1105 | if (set_color(&info->fg, argv[1]) == ERR || |
1106 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1107 | config_msg = "Unknown color"; |
1108 | return ERR; | |
1109 | } | |
660e09ad | 1110 | |
9256ab05 | 1111 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1112 | config_msg = "Unknown attribute"; |
1113 | return ERR; | |
660e09ad JF |
1114 | } |
1115 | ||
bca8fcaa JF |
1116 | return OK; |
1117 | } | |
1118 | ||
8d762458 DV |
1119 | static bool parse_bool(const char *s) |
1120 | { | |
1121 | return (!strcmp(s, "1") || !strcmp(s, "true") || | |
1122 | !strcmp(s, "yes")) ? TRUE : FALSE; | |
1123 | } | |
1124 | ||
5bfd96c7 JF |
1125 | /* Wants: name = value */ |
1126 | static int | |
1127 | option_set_command(int argc, char *argv[]) | |
1128 | { | |
1129 | if (argc != 3) { | |
1130 | config_msg = "Wrong number of arguments given to set command"; | |
1131 | return ERR; | |
1132 | } | |
1133 | ||
1134 | if (strcmp(argv[1], "=")) { | |
1135 | config_msg = "No value assigned"; | |
1136 | return ERR; | |
1137 | } | |
1138 | ||
8d762458 DV |
1139 | if (!strcmp(argv[0], "show-author")) { |
1140 | opt_author = parse_bool(argv[2]); | |
1141 | return OK; | |
1142 | } | |
1143 | ||
1144 | if (!strcmp(argv[0], "show-date")) { | |
1145 | opt_date = parse_bool(argv[2]); | |
1146 | return OK; | |
1147 | } | |
1148 | ||
5bfd96c7 | 1149 | if (!strcmp(argv[0], "show-rev-graph")) { |
8d762458 DV |
1150 | opt_rev_graph = parse_bool(argv[2]); |
1151 | return OK; | |
1152 | } | |
1153 | ||
1154 | if (!strcmp(argv[0], "show-refs")) { | |
1155 | opt_show_refs = parse_bool(argv[2]); | |
1156 | return OK; | |
1157 | } | |
1158 | ||
1159 | if (!strcmp(argv[0], "show-line-numbers")) { | |
1160 | opt_line_number = parse_bool(argv[2]); | |
5bfd96c7 JF |
1161 | return OK; |
1162 | } | |
1163 | ||
1164 | if (!strcmp(argv[0], "line-number-interval")) { | |
1165 | opt_num_interval = atoi(argv[2]); | |
1166 | return OK; | |
1167 | } | |
1168 | ||
1169 | if (!strcmp(argv[0], "tab-size")) { | |
1170 | opt_tab_size = atoi(argv[2]); | |
1171 | return OK; | |
1172 | } | |
1173 | ||
cb7267ee | 1174 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1175 | char *arg = argv[2]; |
1176 | int delimiter = *arg; | |
1177 | int i; | |
1178 | ||
1179 | switch (delimiter) { | |
1180 | case '"': | |
1181 | case '\'': | |
1182 | for (arg++, i = 0; arg[i]; i++) | |
1183 | if (arg[i] == delimiter) { | |
1184 | arg[i] = 0; | |
1185 | break; | |
1186 | } | |
1187 | default: | |
739e81de | 1188 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1189 | return OK; |
1190 | } | |
5bfd96c7 JF |
1191 | } |
1192 | ||
a3653368 | 1193 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1194 | return ERR; |
1195 | } | |
1196 | ||
04e2b7b2 JF |
1197 | /* Wants: mode request key */ |
1198 | static int | |
1199 | option_bind_command(int argc, char *argv[]) | |
1200 | { | |
1201 | enum request request; | |
1202 | int keymap; | |
1203 | int key; | |
1204 | ||
9eb14b72 | 1205 | if (argc < 3) { |
04e2b7b2 JF |
1206 | config_msg = "Wrong number of arguments given to bind command"; |
1207 | return ERR; | |
1208 | } | |
1209 | ||
1210 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1211 | config_msg = "Unknown key map"; | |
1212 | return ERR; | |
1213 | } | |
1214 | ||
1215 | key = get_key_value(argv[1]); | |
1216 | if (key == ERR) { | |
1217 | config_msg = "Unknown key"; | |
1218 | return ERR; | |
1219 | } | |
1220 | ||
1221 | request = get_request(argv[2]); | |
f40385ae | 1222 | if (request == REQ_NONE) { |
f655964f JF |
1223 | const char *obsolete[] = { "cherry-pick" }; |
1224 | size_t namelen = strlen(argv[2]); | |
1225 | int i; | |
1226 | ||
1227 | for (i = 0; i < ARRAY_SIZE(obsolete); i++) { | |
1228 | if (namelen == strlen(obsolete[i]) && | |
1229 | !string_enum_compare(obsolete[i], argv[2], namelen)) { | |
1230 | config_msg = "Obsolete request name"; | |
1231 | return ERR; | |
1232 | } | |
1233 | } | |
1234 | } | |
9eb14b72 JF |
1235 | if (request == REQ_NONE && *argv[2]++ == '!') |
1236 | request = add_run_request(keymap, key, argc - 2, argv + 2); | |
d31a629d | 1237 | if (request == REQ_NONE) { |
04e2b7b2 JF |
1238 | config_msg = "Unknown request name"; |
1239 | return ERR; | |
1240 | } | |
1241 | ||
1242 | add_keybinding(keymap, request, key); | |
1243 | ||
1244 | return OK; | |
1245 | } | |
1246 | ||
bca8fcaa | 1247 | static int |
9256ab05 | 1248 | set_option(char *opt, char *value) |
bca8fcaa | 1249 | { |
9256ab05 JF |
1250 | char *argv[16]; |
1251 | int valuelen; | |
1252 | int argc = 0; | |
1253 | ||
1254 | /* Tokenize */ | |
1255 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1256 | argv[argc++] = value; | |
9256ab05 | 1257 | value += valuelen; |
b86250da JF |
1258 | |
1259 | /* Nothing more to tokenize or last available token. */ | |
1260 | if (!*value || argc >= ARRAY_SIZE(argv)) | |
9256ab05 JF |
1261 | break; |
1262 | ||
1263 | *value++ = 0; | |
1264 | while (isspace(*value)) | |
1265 | value++; | |
1266 | } | |
1267 | ||
1268 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1269 | return option_color_command(argc, argv); |
1270 | ||
1271 | if (!strcmp(opt, "set")) | |
1272 | return option_set_command(argc, argv); | |
bca8fcaa | 1273 | |
04e2b7b2 JF |
1274 | if (!strcmp(opt, "bind")) |
1275 | return option_bind_command(argc, argv); | |
1276 | ||
a3653368 | 1277 | config_msg = "Unknown option command"; |
660e09ad JF |
1278 | return ERR; |
1279 | } | |
1280 | ||
1281 | static int | |
5699e0cf | 1282 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1283 | { |
a3653368 JF |
1284 | int status = OK; |
1285 | ||
3c3801c2 JF |
1286 | config_lineno++; |
1287 | config_msg = "Internal error"; | |
1288 | ||
a3653368 JF |
1289 | /* Check for comment markers, since read_properties() will |
1290 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1291 | optlen = strcspn(opt, "#"); |
a3653368 | 1292 | if (optlen == 0) |
3c3801c2 JF |
1293 | return OK; |
1294 | ||
a3653368 JF |
1295 | if (opt[optlen] != 0) { |
1296 | config_msg = "No option value"; | |
1297 | status = ERR; | |
1298 | ||
1299 | } else { | |
1300 | /* Look for comment endings in the value. */ | |
5699e0cf | 1301 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1302 | |
1303 | if (len < valuelen) { | |
1304 | valuelen = len; | |
1305 | value[valuelen] = 0; | |
1306 | } | |
1307 | ||
1308 | status = set_option(opt, value); | |
3c3801c2 JF |
1309 | } |
1310 | ||
a3653368 JF |
1311 | if (status == ERR) { |
1312 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1313 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1314 | config_errors = TRUE; |
1315 | } | |
1316 | ||
1317 | /* Always keep going if errors are encountered. */ | |
1318 | return OK; | |
1319 | } | |
1320 | ||
b6607e7e DV |
1321 | static void |
1322 | load_option_file(const char *path) | |
660e09ad | 1323 | { |
660e09ad JF |
1324 | FILE *file; |
1325 | ||
b6607e7e DV |
1326 | /* It's ok that the file doesn't exist. */ |
1327 | file = fopen(path, "r"); | |
1328 | if (!file) | |
1329 | return; | |
1330 | ||
3c3801c2 JF |
1331 | config_lineno = 0; |
1332 | config_errors = FALSE; | |
1333 | ||
b6607e7e DV |
1334 | if (read_properties(file, " \t", read_option) == ERR || |
1335 | config_errors == TRUE) | |
1336 | fprintf(stderr, "Errors while loading %s.\n", path); | |
1337 | } | |
f655964f | 1338 | |
b6607e7e DV |
1339 | static int |
1340 | load_options(void) | |
1341 | { | |
1342 | char *home = getenv("HOME"); | |
1343 | char *tigrc_user = getenv("TIGRC_USER"); | |
1344 | char *tigrc_system = getenv("TIGRC_SYSTEM"); | |
1345 | char buf[SIZEOF_STR]; | |
660e09ad | 1346 | |
b6607e7e | 1347 | add_builtin_run_requests(); |
660e09ad | 1348 | |
b6607e7e DV |
1349 | if (!tigrc_system) { |
1350 | if (!string_format(buf, "%s/tigrc", SYSCONFDIR)) | |
1351 | return ERR; | |
1352 | tigrc_system = buf; | |
1353 | } | |
1354 | load_option_file(tigrc_system); | |
1355 | ||
1356 | if (!tigrc_user) { | |
1357 | if (!home || !string_format(buf, "%s/.tigrc", home)) | |
1358 | return ERR; | |
1359 | tigrc_user = buf; | |
1360 | } | |
1361 | load_option_file(tigrc_user); | |
3c3801c2 JF |
1362 | |
1363 | return OK; | |
660e09ad JF |
1364 | } |
1365 | ||
1366 | ||
d839253b | 1367 | /* |
468876c9 | 1368 | * The viewer |
d839253b | 1369 | */ |
c2124ccd JF |
1370 | |
1371 | struct view; | |
fe7233c3 | 1372 | struct view_ops; |
c2124ccd JF |
1373 | |
1374 | /* The display array of active views and the index of the current view. */ | |
1375 | static struct view *display[2]; | |
1376 | static unsigned int current_view; | |
1377 | ||
ab4af23e JF |
1378 | /* Reading from the prompt? */ |
1379 | static bool input_mode = FALSE; | |
1380 | ||
33c4f9ea | 1381 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1382 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1383 | ||
9f41488f | 1384 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1385 | |
d839253b | 1386 | /* Current head and commit ID */ |
e733ee54 | 1387 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1388 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1389 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1390 | ||
b801d8b2 | 1391 | struct view { |
03a93dbb | 1392 | const char *name; /* View name */ |
4685845e TH |
1393 | const char *cmd_fmt; /* Default command line format */ |
1394 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1395 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1396 | |
fe7233c3 | 1397 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1398 | |
04e2b7b2 JF |
1399 | enum keymap keymap; /* What keymap does this view have */ |
1400 | ||
17482b11 | 1401 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1402 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1403 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1404 | |
8855ada4 JF |
1405 | int height, width; /* The width and height of the main window */ |
1406 | WINDOW *win; /* The main window */ | |
1407 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1408 | |
1409 | /* Navigation */ | |
1410 | unsigned long offset; /* Offset of the window top */ | |
1411 | unsigned long lineno; /* Current line number */ | |
1412 | ||
4af34daa JF |
1413 | /* Searching */ |
1414 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1415 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1416 | |
f6da0b66 JF |
1417 | /* If non-NULL, points to the view that opened this view. If this view |
1418 | * is closed tig will switch back to the parent view. */ | |
1419 | struct view *parent; | |
1420 | ||
b801d8b2 | 1421 | /* Buffering */ |
518234f1 | 1422 | size_t lines; /* Total number of lines */ |
fe7233c3 | 1423 | struct line *line; /* Line index */ |
518234f1 DV |
1424 | size_t line_alloc; /* Total number of allocated lines */ |
1425 | size_t line_size; /* Total number of used lines */ | |
8855ada4 | 1426 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1427 | |
1428 | /* Loading */ | |
1429 | FILE *pipe; | |
2e8488b4 | 1430 | time_t start_time; |
b801d8b2 JF |
1431 | }; |
1432 | ||
fe7233c3 JF |
1433 | struct view_ops { |
1434 | /* What type of content being displayed. Used in the title bar. */ | |
1435 | const char *type; | |
f098944b JF |
1436 | /* Open and reads in all view content. */ |
1437 | bool (*open)(struct view *view); | |
fe7233c3 | 1438 | /* Read one line; updates view->line. */ |
701e4f5d | 1439 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1440 | /* Draw one line; @lineno must be < view->height. */ |
1441 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1442 | /* Depending on view handle a special requests. */ |
1443 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1444 | /* Search for regex in a line. */ |
1445 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1446 | /* Select line */ |
1447 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1448 | }; |
1449 | ||
6b161b31 JF |
1450 | static struct view_ops pager_ops; |
1451 | static struct view_ops main_ops; | |
e733ee54 JF |
1452 | static struct view_ops tree_ops; |
1453 | static struct view_ops blob_ops; | |
f098944b | 1454 | static struct view_ops help_ops; |
173d76ea | 1455 | static struct view_ops status_ops; |
3e634113 | 1456 | static struct view_ops stage_ops; |
a28bcc22 | 1457 | |
04e2b7b2 JF |
1458 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1459 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1460 | |
95d7ddcd | 1461 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1462 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1463 | |
c2124ccd | 1464 | |
b801d8b2 | 1465 | static struct view views[] = { |
173d76ea JF |
1466 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1467 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1468 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1469 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1470 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1471 | VIEW_(HELP, "help", &help_ops, ""), |
1472 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1473 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1474 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1475 | }; |
1476 | ||
a28bcc22 JF |
1477 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1478 | ||
699ae55b JF |
1479 | #define foreach_view(view, i) \ |
1480 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1481 | ||
1482 | #define view_is_displayed(view) \ | |
1483 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1484 | |
1c919d68 | 1485 | static int |
a00fff3c | 1486 | draw_text(struct view *view, const char *string, int max_len, |
1c919d68 DV |
1487 | bool use_tilde, int tilde_attr) |
1488 | { | |
71029993 | 1489 | int len = 0; |
22026548 | 1490 | int trimmed = FALSE; |
1c919d68 | 1491 | |
22026548 JF |
1492 | if (max_len <= 0) |
1493 | return 0; | |
1c919d68 | 1494 | |
22026548 JF |
1495 | if (opt_utf8) { |
1496 | len = utf8_length(string, max_len, &trimmed, use_tilde); | |
1497 | } else { | |
1498 | len = strlen(string); | |
1499 | if (len > max_len) { | |
1500 | if (use_tilde) { | |
1501 | max_len -= 1; | |
1c919d68 | 1502 | } |
22026548 JF |
1503 | len = max_len; |
1504 | trimmed = TRUE; | |
1c919d68 | 1505 | } |
22026548 JF |
1506 | } |
1507 | ||
1508 | waddnstr(view->win, string, len); | |
1509 | if (trimmed && use_tilde) { | |
1510 | if (tilde_attr != -1) | |
1511 | wattrset(view->win, tilde_attr); | |
1512 | waddch(view->win, '~'); | |
1513 | len++; | |
1c919d68 DV |
1514 | } |
1515 | ||
71029993 | 1516 | return len; |
1c919d68 DV |
1517 | } |
1518 | ||
fe7233c3 JF |
1519 | static bool |
1520 | draw_view_line(struct view *view, unsigned int lineno) | |
1521 | { | |
d720de4b | 1522 | struct line *line; |
5dcf8064 | 1523 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1524 | bool draw_ok; |
d720de4b | 1525 | |
699ae55b JF |
1526 | assert(view_is_displayed(view)); |
1527 | ||
fe7233c3 JF |
1528 | if (view->offset + lineno >= view->lines) |
1529 | return FALSE; | |
1530 | ||
d720de4b JF |
1531 | line = &view->line[view->offset + lineno]; |
1532 | ||
3c571d67 JF |
1533 | if (selected) { |
1534 | line->selected = TRUE; | |
d720de4b | 1535 | view->ops->select(view, line); |
3c571d67 JF |
1536 | } else if (line->selected) { |
1537 | line->selected = FALSE; | |
1538 | wmove(view->win, lineno, 0); | |
1539 | wclrtoeol(view->win); | |
1540 | } | |
d720de4b | 1541 | |
4887d44e JF |
1542 | scrollok(view->win, FALSE); |
1543 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1544 | scrollok(view->win, TRUE); | |
1545 | ||
1546 | return draw_ok; | |
fe7233c3 JF |
1547 | } |
1548 | ||
b801d8b2 | 1549 | static void |
82e78006 | 1550 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1551 | { |
82e78006 | 1552 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1553 | |
82e78006 | 1554 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1555 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1556 | break; |
b801d8b2 JF |
1557 | } |
1558 | ||
1559 | redrawwin(view->win); | |
ab4af23e JF |
1560 | if (input_mode) |
1561 | wnoutrefresh(view->win); | |
1562 | else | |
1563 | wrefresh(view->win); | |
b801d8b2 JF |
1564 | } |
1565 | ||
b76c2afc | 1566 | static void |
82e78006 JF |
1567 | redraw_view(struct view *view) |
1568 | { | |
1569 | wclear(view->win); | |
1570 | redraw_view_from(view, 0); | |
1571 | } | |
1572 | ||
c2124ccd | 1573 | |
6b161b31 | 1574 | static void |
81030ec8 JF |
1575 | update_view_title(struct view *view) |
1576 | { | |
3c112a88 | 1577 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1578 | char state[SIZEOF_STR]; |
1579 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1580 | |
3c112a88 | 1581 | assert(view_is_displayed(view)); |
81030ec8 | 1582 | |
249016a6 | 1583 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1584 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1585 | unsigned int lines = view->lines |
6d9c07af | 1586 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1587 | : 0; |
1588 | ||
71d1c7db | 1589 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1590 | view->ops->type, |
1591 | view->lineno + 1, | |
1592 | view->lines, | |
1593 | lines); | |
81030ec8 | 1594 | |
5becf244 JF |
1595 | if (view->pipe) { |
1596 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1597 | |
5becf244 JF |
1598 | /* Three git seconds are a long time ... */ |
1599 | if (secs > 2) | |
71d1c7db | 1600 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1601 | } |
81030ec8 JF |
1602 | } |
1603 | ||
71d1c7db JF |
1604 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1605 | if (*view->ref && bufpos < view->width) { | |
1606 | size_t refsize = strlen(view->ref); | |
1607 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1608 | ||
1609 | if (minsize < view->width) | |
1610 | refsize = view->width - minsize + 7; | |
d1858deb | 1611 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1612 | } |
f97f4012 | 1613 | |
71d1c7db JF |
1614 | if (statelen && bufpos < view->width) { |
1615 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1616 | } |
1617 | ||
3c112a88 JF |
1618 | if (view == display[current_view]) |
1619 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1620 | else | |
1621 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1622 | ||
3c112a88 | 1623 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1624 | wclrtoeol(view->title); |
976447f8 | 1625 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1626 | |
1627 | if (input_mode) | |
1628 | wnoutrefresh(view->title); | |
1629 | else | |
1630 | wrefresh(view->title); | |
81030ec8 JF |
1631 | } |
1632 | ||
1633 | static void | |
6b161b31 | 1634 | resize_display(void) |
b76c2afc | 1635 | { |
03a93dbb | 1636 | int offset, i; |
6b161b31 JF |
1637 | struct view *base = display[0]; |
1638 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1639 | |
6b161b31 | 1640 | /* Setup window dimensions */ |
b76c2afc | 1641 | |
03a93dbb | 1642 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1643 | |
6b161b31 | 1644 | /* Make room for the status window. */ |
03a93dbb | 1645 | base->height -= 1; |
6b161b31 JF |
1646 | |
1647 | if (view != base) { | |
03a93dbb JF |
1648 | /* Horizontal split. */ |
1649 | view->width = base->width; | |
6b161b31 JF |
1650 | view->height = SCALE_SPLIT_VIEW(base->height); |
1651 | base->height -= view->height; | |
1652 | ||
1653 | /* Make room for the title bar. */ | |
1654 | view->height -= 1; | |
1655 | } | |
1656 | ||
1657 | /* Make room for the title bar. */ | |
1658 | base->height -= 1; | |
1659 | ||
1660 | offset = 0; | |
1661 | ||
33c4f9ea | 1662 | foreach_displayed_view (view, i) { |
b76c2afc | 1663 | if (!view->win) { |
c19f8017 | 1664 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1665 | if (!view->win) |
1666 | die("Failed to create %s view", view->name); | |
1667 | ||
1668 | scrollok(view->win, TRUE); | |
1669 | ||
1670 | view->title = newwin(1, 0, offset + view->height, 0); | |
1671 | if (!view->title) | |
1672 | die("Failed to create title window"); | |
1673 | ||
1674 | } else { | |
c19f8017 | 1675 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1676 | mvwin(view->win, offset, 0); |
1677 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1678 | } |
a28bcc22 | 1679 | |
6b161b31 | 1680 | offset += view->height + 1; |
b76c2afc | 1681 | } |
6b161b31 | 1682 | } |
b76c2afc | 1683 | |
6b161b31 | 1684 | static void |
20bb5e18 JF |
1685 | redraw_display(void) |
1686 | { | |
1687 | struct view *view; | |
1688 | int i; | |
1689 | ||
33c4f9ea | 1690 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1691 | redraw_view(view); |
1692 | update_view_title(view); | |
1693 | } | |
1694 | } | |
1695 | ||
85af6284 | 1696 | static void |
2bee3bde | 1697 | update_display_cursor(struct view *view) |
85af6284 | 1698 | { |
85af6284 JF |
1699 | /* Move the cursor to the right-most column of the cursor line. |
1700 | * | |
1701 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1702 | * the cursor does not jump around. */ | |
1703 | if (view->lines) { | |
1704 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1705 | wrefresh(view->win); | |
1706 | } | |
1707 | } | |
20bb5e18 | 1708 | |
2e8488b4 JF |
1709 | /* |
1710 | * Navigation | |
1711 | */ | |
1712 | ||
4a2909a7 | 1713 | /* Scrolling backend */ |
b801d8b2 | 1714 | static void |
8c317212 | 1715 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1716 | { |
a0087dd5 JF |
1717 | bool redraw_current_line = FALSE; |
1718 | ||
fd85fef1 JF |
1719 | /* The rendering expects the new offset. */ |
1720 | view->offset += lines; | |
1721 | ||
1722 | assert(0 <= view->offset && view->offset < view->lines); | |
1723 | assert(lines); | |
b801d8b2 | 1724 | |
a0087dd5 JF |
1725 | /* Move current line into the view. */ |
1726 | if (view->lineno < view->offset) { | |
1727 | view->lineno = view->offset; | |
1728 | redraw_current_line = TRUE; | |
1729 | } else if (view->lineno >= view->offset + view->height) { | |
1730 | view->lineno = view->offset + view->height - 1; | |
1731 | redraw_current_line = TRUE; | |
1732 | } | |
1733 | ||
1734 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1735 | ||
82e78006 | 1736 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1737 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1738 | redraw_view(view); |
1739 | ||
1740 | } else { | |
22f66b0a | 1741 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1742 | int end = line + ABS(lines); |
fd85fef1 JF |
1743 | |
1744 | wscrl(view->win, lines); | |
1745 | ||
22f66b0a | 1746 | for (; line < end; line++) { |
fe7233c3 | 1747 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1748 | break; |
1749 | } | |
fd85fef1 | 1750 | |
a0087dd5 JF |
1751 | if (redraw_current_line) |
1752 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1753 | } |
1754 | ||
fd85fef1 JF |
1755 | redrawwin(view->win); |
1756 | wrefresh(view->win); | |
9d3f5834 | 1757 | report(""); |
fd85fef1 | 1758 | } |
78c70acd | 1759 | |
4a2909a7 | 1760 | /* Scroll frontend */ |
fd85fef1 | 1761 | static void |
6b161b31 | 1762 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1763 | { |
1764 | int lines = 1; | |
b801d8b2 | 1765 | |
8c317212 JF |
1766 | assert(view_is_displayed(view)); |
1767 | ||
b801d8b2 | 1768 | switch (request) { |
4a2909a7 | 1769 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1770 | lines = view->height; |
4a2909a7 | 1771 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1772 | if (view->offset + lines > view->lines) |
bde3653a | 1773 | lines = view->lines - view->offset; |
b801d8b2 | 1774 | |
fd85fef1 | 1775 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1776 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1777 | return; |
1778 | } | |
1779 | break; | |
1780 | ||
4a2909a7 | 1781 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1782 | lines = view->height; |
4a2909a7 | 1783 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1784 | if (lines > view->offset) |
1785 | lines = view->offset; | |
1786 | ||
1787 | if (lines == 0) { | |
eb98559e | 1788 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1789 | return; |
1790 | } | |
1791 | ||
fd85fef1 | 1792 | lines = -lines; |
b801d8b2 | 1793 | break; |
03a93dbb | 1794 | |
6b161b31 JF |
1795 | default: |
1796 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1797 | } |
1798 | ||
8c317212 | 1799 | do_scroll_view(view, lines); |
fd85fef1 | 1800 | } |
b801d8b2 | 1801 | |
4a2909a7 | 1802 | /* Cursor moving */ |
fd85fef1 | 1803 | static void |
8522ecc7 | 1804 | move_view(struct view *view, enum request request) |
fd85fef1 | 1805 | { |
dfaa6c81 | 1806 | int scroll_steps = 0; |
fd85fef1 | 1807 | int steps; |
b801d8b2 | 1808 | |
fd85fef1 | 1809 | switch (request) { |
4a2909a7 | 1810 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1811 | steps = -view->lineno; |
1812 | break; | |
1813 | ||
4a2909a7 | 1814 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1815 | steps = view->lines - view->lineno - 1; |
1816 | break; | |
1817 | ||
4a2909a7 | 1818 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1819 | steps = view->height > view->lineno |
1820 | ? -view->lineno : -view->height; | |
1821 | break; | |
1822 | ||
4a2909a7 | 1823 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1824 | steps = view->lineno + view->height >= view->lines |
1825 | ? view->lines - view->lineno - 1 : view->height; | |
1826 | break; | |
1827 | ||
4a2909a7 | 1828 | case REQ_MOVE_UP: |
fd85fef1 JF |
1829 | steps = -1; |
1830 | break; | |
b801d8b2 | 1831 | |
4a2909a7 | 1832 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1833 | steps = 1; |
1834 | break; | |
6b161b31 JF |
1835 | |
1836 | default: | |
1837 | die("request %d not handled in switch", request); | |
78c70acd | 1838 | } |
b801d8b2 | 1839 | |
4c6fabc2 | 1840 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1841 | report("Cannot move beyond the first line"); |
78c70acd | 1842 | return; |
b801d8b2 | 1843 | |
6908bdbd | 1844 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1845 | report("Cannot move beyond the last line"); |
78c70acd | 1846 | return; |
fd85fef1 JF |
1847 | } |
1848 | ||
4c6fabc2 | 1849 | /* Move the current line */ |
fd85fef1 | 1850 | view->lineno += steps; |
4c6fabc2 JF |
1851 | assert(0 <= view->lineno && view->lineno < view->lines); |
1852 | ||
4c6fabc2 | 1853 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1854 | if (view->lineno < view->offset || |
1855 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1856 | scroll_steps = steps; |
fd85fef1 | 1857 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1858 | scroll_steps = -view->offset; |
b76c2afc JF |
1859 | |
1860 | } else if (steps > 0) { | |
1861 | if (view->lineno == view->lines - 1 && | |
1862 | view->lines > view->height) { | |
dfaa6c81 JF |
1863 | scroll_steps = view->lines - view->offset - 1; |
1864 | if (scroll_steps >= view->height) | |
1865 | scroll_steps -= view->height - 1; | |
b76c2afc | 1866 | } |
b801d8b2 | 1867 | } |
8522ecc7 JF |
1868 | } |
1869 | ||
1870 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1871 | view->offset += scroll_steps; |
1872 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1873 | view->ops->select(view, &view->line[view->lineno]); |
1874 | return; | |
1875 | } | |
1876 | ||
1877 | /* Repaint the old "current" line if we be scrolling */ | |
1878 | if (ABS(steps) < view->height) | |
1879 | draw_view_line(view, view->lineno - steps - view->offset); | |
1880 | ||
dfaa6c81 JF |
1881 | if (scroll_steps) { |
1882 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1883 | return; |
b801d8b2 JF |
1884 | } |
1885 | ||
4c6fabc2 | 1886 | /* Draw the current line */ |
fe7233c3 | 1887 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1888 | |
b801d8b2 JF |
1889 | redrawwin(view->win); |
1890 | wrefresh(view->win); | |
9d3f5834 | 1891 | report(""); |
b801d8b2 JF |
1892 | } |
1893 | ||
b801d8b2 | 1894 | |
2e8488b4 | 1895 | /* |
4af34daa JF |
1896 | * Searching |
1897 | */ | |
1898 | ||
c02d8fce | 1899 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1900 | |
1901 | static bool | |
1902 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1903 | { | |
699ae55b JF |
1904 | assert(view_is_displayed(view)); |
1905 | ||
4af34daa JF |
1906 | if (!view->ops->grep(view, line)) |
1907 | return FALSE; | |
1908 | ||
1909 | if (lineno - view->offset >= view->height) { | |
1910 | view->offset = lineno; | |
1911 | view->lineno = lineno; | |
1912 | redraw_view(view); | |
1913 | ||
1914 | } else { | |
1915 | unsigned long old_lineno = view->lineno - view->offset; | |
1916 | ||
1917 | view->lineno = lineno; | |
4af34daa JF |
1918 | draw_view_line(view, old_lineno); |
1919 | ||
1920 | draw_view_line(view, view->lineno - view->offset); | |
1921 | redrawwin(view->win); | |
1922 | wrefresh(view->win); | |
1923 | } | |
1924 | ||
1925 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1926 | return TRUE; | |
1927 | } | |
1928 | ||
1929 | static void | |
1930 | find_next(struct view *view, enum request request) | |
1931 | { | |
1932 | unsigned long lineno = view->lineno; | |
1933 | int direction; | |
1934 | ||
1935 | if (!*view->grep) { | |
1936 | if (!*opt_search) | |
1937 | report("No previous search"); | |
1938 | else | |
c02d8fce | 1939 | search_view(view, request); |
4af34daa JF |
1940 | return; |
1941 | } | |
1942 | ||
1943 | switch (request) { | |
1944 | case REQ_SEARCH: | |
1945 | case REQ_FIND_NEXT: | |
1946 | direction = 1; | |
1947 | break; | |
1948 | ||
1949 | case REQ_SEARCH_BACK: | |
1950 | case REQ_FIND_PREV: | |
1951 | direction = -1; | |
1952 | break; | |
1953 | ||
1954 | default: | |
1955 | return; | |
1956 | } | |
1957 | ||
1958 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1959 | lineno += direction; | |
1960 | ||
1961 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1962 | * will become bigger than view->lines. */ | |
1963 | for (; lineno < view->lines; lineno += direction) { | |
1964 | struct line *line = &view->line[lineno]; | |
1965 | ||
1966 | if (find_next_line(view, lineno, line)) | |
1967 | return; | |
1968 | } | |
1969 | ||
1970 | report("No match found for '%s'", view->grep); | |
1971 | } | |
1972 | ||
1973 | static void | |
c02d8fce | 1974 | search_view(struct view *view, enum request request) |
4af34daa JF |
1975 | { |
1976 | int regex_err; | |
1977 | ||
b77b2cb8 JF |
1978 | if (view->regex) { |
1979 | regfree(view->regex); | |
4af34daa | 1980 | *view->grep = 0; |
b77b2cb8 JF |
1981 | } else { |
1982 | view->regex = calloc(1, sizeof(*view->regex)); | |
1983 | if (!view->regex) | |
1984 | return; | |
4af34daa JF |
1985 | } |
1986 | ||
c02d8fce | 1987 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1988 | if (regex_err != 0) { |
1989 | char buf[SIZEOF_STR] = "unknown error"; | |
1990 | ||
b77b2cb8 | 1991 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1992 | report("Search failed: %s", buf); |
4af34daa JF |
1993 | return; |
1994 | } | |
1995 | ||
c02d8fce | 1996 | string_copy(view->grep, opt_search); |
4af34daa JF |
1997 | |
1998 | find_next(view, request); | |
1999 | } | |
2000 | ||
2001 | /* | |
2e8488b4 JF |
2002 | * Incremental updating |
2003 | */ | |
b801d8b2 | 2004 | |
199d1288 JF |
2005 | static void |
2006 | end_update(struct view *view) | |
2007 | { | |
2008 | if (!view->pipe) | |
2009 | return; | |
2010 | set_nonblocking_input(FALSE); | |
2011 | if (view->pipe == stdin) | |
2012 | fclose(view->pipe); | |
2013 | else | |
2014 | pclose(view->pipe); | |
2015 | view->pipe = NULL; | |
2016 | } | |
2017 | ||
03a93dbb | 2018 | static bool |
b801d8b2 JF |
2019 | begin_update(struct view *view) |
2020 | { | |
199d1288 JF |
2021 | if (view->pipe) |
2022 | end_update(view); | |
2023 | ||
03a93dbb JF |
2024 | if (opt_cmd[0]) { |
2025 | string_copy(view->cmd, opt_cmd); | |
2026 | opt_cmd[0] = 0; | |
035ba11f JF |
2027 | /* When running random commands, initially show the |
2028 | * command in the title. However, it maybe later be | |
2029 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
2030 | if (view == VIEW(REQ_VIEW_PAGER)) |
2031 | string_copy(view->ref, view->cmd); | |
2032 | else | |
2033 | view->ref[0] = 0; | |
e733ee54 JF |
2034 | |
2035 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
2036 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 2037 | char path[SIZEOF_STR]; |
e733ee54 JF |
2038 | |
2039 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
2040 | opt_path[0] = path[0] = 0; |
2041 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
2042 | return FALSE; | |
e733ee54 | 2043 | |
739e81de | 2044 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
2045 | return FALSE; |
2046 | ||
03a93dbb | 2047 | } else { |
4685845e | 2048 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 2049 | const char *id = view->id; |
1ba2ae4b | 2050 | |
cc2d1364 | 2051 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 2052 | return FALSE; |
035ba11f JF |
2053 | |
2054 | /* Put the current ref_* value to the view title ref | |
2055 | * member. This is needed by the blob view. Most other | |
2056 | * views sets it automatically after loading because the | |
2057 | * first line is a commit line. */ | |
739e81de | 2058 | string_copy_rev(view->ref, view->id); |
03a93dbb | 2059 | } |
b801d8b2 | 2060 | |
6908bdbd JF |
2061 | /* Special case for the pager view. */ |
2062 | if (opt_pipe) { | |
2063 | view->pipe = opt_pipe; | |
2064 | opt_pipe = NULL; | |
2065 | } else { | |
2066 | view->pipe = popen(view->cmd, "r"); | |
2067 | } | |
2068 | ||
2e8488b4 JF |
2069 | if (!view->pipe) |
2070 | return FALSE; | |
b801d8b2 | 2071 | |
6b161b31 | 2072 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
2073 | |
2074 | view->offset = 0; | |
2075 | view->lines = 0; | |
2076 | view->lineno = 0; | |
739e81de | 2077 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 2078 | |
2e8488b4 JF |
2079 | if (view->line) { |
2080 | int i; | |
2081 | ||
2082 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
2083 | if (view->line[i].data) |
2084 | free(view->line[i].data); | |
2e8488b4 JF |
2085 | |
2086 | free(view->line); | |
2087 | view->line = NULL; | |
2088 | } | |
2089 | ||
2090 | view->start_time = time(NULL); | |
2091 | ||
b801d8b2 JF |
2092 | return TRUE; |
2093 | } | |
2094 | ||
518234f1 DV |
2095 | #define ITEM_CHUNK_SIZE 256 |
2096 | static void * | |
2097 | realloc_items(void *mem, size_t *size, size_t new_size, size_t item_size) | |
2098 | { | |
2099 | size_t num_chunks = *size / ITEM_CHUNK_SIZE; | |
2100 | size_t num_chunks_new = (new_size + ITEM_CHUNK_SIZE - 1) / ITEM_CHUNK_SIZE; | |
2101 | ||
2102 | if (mem == NULL || num_chunks != num_chunks_new) { | |
2103 | *size = num_chunks_new * ITEM_CHUNK_SIZE; | |
2104 | mem = realloc(mem, *size * item_size); | |
2105 | } | |
2106 | ||
2107 | return mem; | |
2108 | } | |
2109 | ||
e2c01617 JF |
2110 | static struct line * |
2111 | realloc_lines(struct view *view, size_t line_size) | |
2112 | { | |
518234f1 DV |
2113 | size_t alloc = view->line_alloc; |
2114 | struct line *tmp = realloc_items(view->line, &alloc, line_size, | |
2115 | sizeof(*view->line)); | |
e2c01617 JF |
2116 | |
2117 | if (!tmp) | |
2118 | return NULL; | |
2119 | ||
2120 | view->line = tmp; | |
518234f1 | 2121 | view->line_alloc = alloc; |
e2c01617 JF |
2122 | view->line_size = line_size; |
2123 | return view->line; | |
2124 | } | |
2125 | ||
03a93dbb | 2126 | static bool |
b801d8b2 JF |
2127 | update_view(struct view *view) |
2128 | { | |
6b68fd24 JF |
2129 | char in_buffer[BUFSIZ]; |
2130 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 2131 | char *line; |
82e78006 JF |
2132 | /* The number of lines to read. If too low it will cause too much |
2133 | * redrawing (and possible flickering), if too high responsiveness | |
2134 | * will suffer. */ | |
8855ada4 | 2135 | unsigned long lines = view->height; |
82e78006 | 2136 | int redraw_from = -1; |
b801d8b2 JF |
2137 | |
2138 | if (!view->pipe) | |
2139 | return TRUE; | |
2140 | ||
82e78006 JF |
2141 | /* Only redraw if lines are visible. */ |
2142 | if (view->offset + view->height >= view->lines) | |
2143 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 2144 | |
699ae55b | 2145 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 2146 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
2147 | goto alloc_error; |
2148 | ||
6b68fd24 JF |
2149 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
2150 | size_t linelen = strlen(line); | |
b801d8b2 | 2151 | |
b801d8b2 JF |
2152 | if (linelen) |
2153 | line[linelen - 1] = 0; | |
2154 | ||
6b68fd24 | 2155 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 2156 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
2157 | size_t inlen = linelen; |
2158 | ||
2159 | char *outbuf = out_buffer; | |
2160 | size_t outlen = sizeof(out_buffer); | |
2161 | ||
2162 | size_t ret; | |
2163 | ||
7361622d | 2164 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
2165 | if (ret != (size_t) -1) { |
2166 | line = out_buffer; | |
2167 | linelen = strlen(out_buffer); | |
2168 | } | |
2169 | } | |
2170 | ||
701e4f5d | 2171 | if (!view->ops->read(view, line)) |
b801d8b2 | 2172 | goto alloc_error; |
fd85fef1 JF |
2173 | |
2174 | if (lines-- == 1) | |
2175 | break; | |
b801d8b2 JF |
2176 | } |
2177 | ||
8855ada4 JF |
2178 | { |
2179 | int digits; | |
2180 | ||
2181 | lines = view->lines; | |
2182 | for (digits = 0; lines; digits++) | |
2183 | lines /= 10; | |
2184 | ||
2185 | /* Keep the displayed view in sync with line number scaling. */ | |
2186 | if (digits != view->digits) { | |
2187 | view->digits = digits; | |
2188 | redraw_from = 0; | |
2189 | } | |
2190 | } | |
2191 | ||
699ae55b JF |
2192 | if (!view_is_displayed(view)) |
2193 | goto check_pipe; | |
2194 | ||
e733ee54 JF |
2195 | if (view == VIEW(REQ_VIEW_TREE)) { |
2196 | /* Clear the view and redraw everything since the tree sorting | |
2197 | * might have rearranged things. */ | |
2198 | redraw_view(view); | |
2199 | ||
2200 | } else if (redraw_from >= 0) { | |
82e78006 | 2201 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
2202 | * since for commits some members could have changed when |
2203 | * loading the main view. */ | |
82e78006 JF |
2204 | if (redraw_from > 0) |
2205 | redraw_from--; | |
2206 | ||
9eded379 JF |
2207 | /* Since revision graph visualization requires knowledge |
2208 | * about the parent commit, it causes a further one-off | |
2209 | * needed to be redrawn for incremental updates. */ | |
2210 | if (redraw_from > 0 && opt_rev_graph) | |
2211 | redraw_from--; | |
2212 | ||
82e78006 JF |
2213 | /* Incrementally draw avoids flickering. */ |
2214 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2215 | } |
b801d8b2 | 2216 | |
eb98559e JF |
2217 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2218 | * commit reference in view->ref it'll be available here. */ | |
2219 | update_view_title(view); | |
2220 | ||
699ae55b | 2221 | check_pipe: |
b801d8b2 | 2222 | if (ferror(view->pipe)) { |
03a93dbb | 2223 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2224 | goto end; |
2225 | ||
2226 | } else if (feof(view->pipe)) { | |
f97f4012 | 2227 | report(""); |
b801d8b2 JF |
2228 | goto end; |
2229 | } | |
2230 | ||
2231 | return TRUE; | |
2232 | ||
2233 | alloc_error: | |
2e8488b4 | 2234 | report("Allocation failure"); |
b801d8b2 JF |
2235 | |
2236 | end: | |
be04d936 | 2237 | view->ops->read(view, NULL); |
b801d8b2 JF |
2238 | end_update(view); |
2239 | return FALSE; | |
2240 | } | |
2241 | ||
0a0d8910 | 2242 | static struct line * |
e314c36d | 2243 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2244 | { |
e314c36d | 2245 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2246 | |
e314c36d | 2247 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2248 | line->type = type; |
e314c36d | 2249 | line->data = data; |
0a0d8910 JF |
2250 | |
2251 | return line; | |
2252 | } | |
2253 | ||
e314c36d JF |
2254 | static struct line * |
2255 | add_line_text(struct view *view, char *data, enum line_type type) | |
2256 | { | |
2257 | if (data) | |
2258 | data = strdup(data); | |
2259 | ||
2260 | return data ? add_line_data(view, data, type) : NULL; | |
2261 | } | |
2262 | ||
79d445ca | 2263 | |
e10154d5 JF |
2264 | /* |
2265 | * View opening | |
2266 | */ | |
2267 | ||
49f2b43f JF |
2268 | enum open_flags { |
2269 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2270 | OPEN_SPLIT = 1, /* Split current view. */ | |
2271 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2272 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2273 | }; | |
2274 | ||
6b161b31 | 2275 | static void |
49f2b43f | 2276 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2277 | { |
49f2b43f JF |
2278 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2279 | bool split = !!(flags & OPEN_SPLIT); | |
2280 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2281 | struct view *view = VIEW(request); |
9f41488f | 2282 | int nviews = displayed_views(); |
6e950a52 | 2283 | struct view *base_view = display[0]; |
b801d8b2 | 2284 | |
49f2b43f | 2285 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2286 | report("Already in %s view", view->name); |
2287 | return; | |
2288 | } | |
b801d8b2 | 2289 | |
f098944b JF |
2290 | if (view->ops->open) { |
2291 | if (!view->ops->open(view)) { | |
2292 | report("Failed to load %s view", view->name); | |
2293 | return; | |
2294 | } | |
2509b112 JF |
2295 | |
2296 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2297 | !begin_update(view)) { | |
6b161b31 JF |
2298 | report("Failed to load %s view", view->name); |
2299 | return; | |
2300 | } | |
a28bcc22 | 2301 | |
6b161b31 | 2302 | if (split) { |
8d741c06 | 2303 | display[1] = view; |
6b161b31 | 2304 | if (!backgrounded) |
8d741c06 | 2305 | current_view = 1; |
6b161b31 JF |
2306 | } else { |
2307 | /* Maximize the current view. */ | |
2308 | memset(display, 0, sizeof(display)); | |
2309 | current_view = 0; | |
2310 | display[current_view] = view; | |
a28bcc22 | 2311 | } |
b801d8b2 | 2312 | |
6e950a52 JF |
2313 | /* Resize the view when switching between split- and full-screen, |
2314 | * or when switching between two different full-screen views. */ | |
2315 | if (nviews != displayed_views() || | |
2316 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2317 | resize_display(); |
b801d8b2 | 2318 | |
a8891802 | 2319 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2320 | /* Take the title line into account. */ |
eb98559e | 2321 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2322 | |
2323 | /* Scroll the view that was split if the current line is | |
2324 | * outside the new limited view. */ | |
8c317212 | 2325 | do_scroll_view(prev, lines); |
03a93dbb JF |
2326 | } |
2327 | ||
6b161b31 | 2328 | if (prev && view != prev) { |
9b995f0c | 2329 | if (split && !backgrounded) { |
f0b3ab80 JF |
2330 | /* "Blur" the previous view. */ |
2331 | update_view_title(prev); | |
9f396969 | 2332 | } |
f0b3ab80 | 2333 | |
f6da0b66 | 2334 | view->parent = prev; |
b801d8b2 JF |
2335 | } |
2336 | ||
9f396969 | 2337 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2338 | /* Clear the old view and let the incremental updating refill |
2339 | * the screen. */ | |
2340 | wclear(view->win); | |
f97f4012 | 2341 | report(""); |
03a93dbb JF |
2342 | } else { |
2343 | redraw_view(view); | |
24b5b3e0 | 2344 | report(""); |
03a93dbb | 2345 | } |
6706b2ba JF |
2346 | |
2347 | /* If the view is backgrounded the above calls to report() | |
2348 | * won't redraw the view title. */ | |
2349 | if (backgrounded) | |
2350 | update_view_title(view); | |
b801d8b2 JF |
2351 | } |
2352 | ||
0cea0d43 | 2353 | static void |
d24ef76c JF |
2354 | open_external_viewer(const char *cmd) |
2355 | { | |
2356 | def_prog_mode(); /* save current tty modes */ | |
2357 | endwin(); /* restore original tty modes */ | |
2358 | system(cmd); | |
2359 | fprintf(stderr, "Press Enter to continue"); | |
2360 | getc(stdin); | |
2361 | reset_prog_mode(); | |
2362 | redraw_display(); | |
2363 | } | |
2364 | ||
2365 | static void | |
b5c18d9d JF |
2366 | open_mergetool(const char *file) |
2367 | { | |
2368 | char cmd[SIZEOF_STR]; | |
2369 | char file_sq[SIZEOF_STR]; | |
2370 | ||
2371 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2372 | string_format(cmd, "git mergetool %s", file_sq)) { | |
2373 | open_external_viewer(cmd); | |
2374 | } | |
2375 | } | |
2376 | ||
2377 | static void | |
d24ef76c | 2378 | open_editor(bool from_root, const char *file) |
0cea0d43 JF |
2379 | { |
2380 | char cmd[SIZEOF_STR]; | |
2381 | char file_sq[SIZEOF_STR]; | |
2382 | char *editor; | |
7d31b059 | 2383 | char *prefix = from_root ? opt_cdup : ""; |
0cea0d43 JF |
2384 | |
2385 | editor = getenv("GIT_EDITOR"); | |
2386 | if (!editor && *opt_editor) | |
2387 | editor = opt_editor; | |
2388 | if (!editor) | |
2389 | editor = getenv("VISUAL"); | |
2390 | if (!editor) | |
2391 | editor = getenv("EDITOR"); | |
2392 | if (!editor) | |
2393 | editor = "vi"; | |
2394 | ||
2395 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
7d31b059 | 2396 | string_format(cmd, "%s %s%s", editor, prefix, file_sq)) { |
d24ef76c | 2397 | open_external_viewer(cmd); |
0cea0d43 JF |
2398 | } |
2399 | } | |
b801d8b2 | 2400 | |
9eb14b72 JF |
2401 | static void |
2402 | open_run_request(enum request request) | |
2403 | { | |
2404 | struct run_request *req = get_run_request(request); | |
2405 | char buf[SIZEOF_STR * 2]; | |
2406 | size_t bufpos; | |
2407 | char *cmd; | |
2408 | ||
2409 | if (!req) { | |
2410 | report("Unknown run request"); | |
2411 | return; | |
2412 | } | |
2413 | ||
2414 | bufpos = 0; | |
2415 | cmd = req->cmd; | |
2416 | ||
2417 | while (cmd) { | |
2418 | char *next = strstr(cmd, "%("); | |
2419 | int len = next - cmd; | |
2420 | char *value; | |
2421 | ||
2422 | if (!next) { | |
2423 | len = strlen(cmd); | |
2424 | value = ""; | |
2425 | ||
2426 | } else if (!strncmp(next, "%(head)", 7)) { | |
2427 | value = ref_head; | |
2428 | ||
2429 | } else if (!strncmp(next, "%(commit)", 9)) { | |
2430 | value = ref_commit; | |
2431 | ||
2432 | } else if (!strncmp(next, "%(blob)", 7)) { | |
2433 | value = ref_blob; | |
2434 | ||
2435 | } else { | |
2436 | report("Unknown replacement in run request: `%s`", req->cmd); | |
2437 | return; | |
2438 | } | |
2439 | ||
2440 | if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) | |
2441 | return; | |
2442 | ||
2443 | if (next) | |
2444 | next = strchr(next, ')') + 1; | |
2445 | cmd = next; | |
2446 | } | |
2447 | ||
2448 | open_external_viewer(buf); | |
2449 | } | |
2450 | ||
6b161b31 JF |
2451 | /* |
2452 | * User request switch noodle | |
2453 | */ | |
2454 | ||
b801d8b2 | 2455 | static int |
6b161b31 | 2456 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2457 | { |
b801d8b2 JF |
2458 | int i; |
2459 | ||
1bace428 JF |
2460 | if (request == REQ_NONE) { |
2461 | doupdate(); | |
2462 | return TRUE; | |
2463 | } | |
2464 | ||
9eb14b72 JF |
2465 | if (request > REQ_NONE) { |
2466 | open_run_request(request); | |
2467 | return TRUE; | |
2468 | } | |
2469 | ||
586c423d JF |
2470 | if (view && view->lines) { |
2471 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2472 | if (request == REQ_NONE) | |
2473 | return TRUE; | |
2474 | } | |
2475 | ||
b801d8b2 | 2476 | switch (request) { |
4a2909a7 JF |
2477 | case REQ_MOVE_UP: |
2478 | case REQ_MOVE_DOWN: | |
2479 | case REQ_MOVE_PAGE_UP: | |
2480 | case REQ_MOVE_PAGE_DOWN: | |
2481 | case REQ_MOVE_FIRST_LINE: | |
2482 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2483 | move_view(view, request); |
fd85fef1 JF |
2484 | break; |
2485 | ||
4a2909a7 JF |
2486 | case REQ_SCROLL_LINE_DOWN: |
2487 | case REQ_SCROLL_LINE_UP: | |
2488 | case REQ_SCROLL_PAGE_DOWN: | |
2489 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2490 | scroll_view(view, request); |
b801d8b2 JF |
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)) || | |
3e634113 | 2542 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2543 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2544 | (view == VIEW(REQ_VIEW_BLOB) && |
2545 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2546 | int line; |
2547 | ||
b3a54cba | 2548 | view = view->parent; |
03400136 | 2549 | line = view->lineno; |
8522ecc7 JF |
2550 | move_view(view, request); |
2551 | if (view_is_displayed(view)) | |
f0b3ab80 | 2552 | update_view_title(view); |
328d27f7 JF |
2553 | if (line != view->lineno) |
2554 | view->ops->request(view, REQ_ENTER, | |
2555 | &view->line[view->lineno]); | |
2556 | ||
b3a54cba | 2557 | } else { |
8522ecc7 | 2558 | move_view(view, request); |
b3a54cba | 2559 | } |
328d27f7 | 2560 | break; |
6b161b31 | 2561 | |
03a93dbb JF |
2562 | case REQ_VIEW_NEXT: |
2563 | { | |
9f41488f | 2564 | int nviews = displayed_views(); |
03a93dbb JF |
2565 | int next_view = (current_view + 1) % nviews; |
2566 | ||
2567 | if (next_view == current_view) { | |
2568 | report("Only one view is displayed"); | |
2569 | break; | |
2570 | } | |
2571 | ||
2572 | current_view = next_view; | |
2573 | /* Blur out the title of the previous view. */ | |
2574 | update_view_title(view); | |
6734f6b9 | 2575 | report(""); |
03a93dbb JF |
2576 | break; |
2577 | } | |
acaef3b3 JF |
2578 | case REQ_REFRESH: |
2579 | report("Refreshing is not yet supported for the %s view", view->name); | |
2580 | break; | |
2581 | ||
24b5b3e0 | 2582 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2583 | opt_line_number = !opt_line_number; |
20bb5e18 | 2584 | redraw_display(); |
b801d8b2 JF |
2585 | break; |
2586 | ||
823057f4 DV |
2587 | case REQ_TOGGLE_DATE: |
2588 | opt_date = !opt_date; | |
2589 | redraw_display(); | |
2590 | break; | |
2591 | ||
2592 | case REQ_TOGGLE_AUTHOR: | |
2593 | opt_author = !opt_author; | |
2594 | redraw_display(); | |
2595 | break; | |
2596 | ||
54efb62b JF |
2597 | case REQ_TOGGLE_REV_GRAPH: |
2598 | opt_rev_graph = !opt_rev_graph; | |
2599 | redraw_display(); | |
2600 | break; | |
2601 | ||
823057f4 DV |
2602 | case REQ_TOGGLE_REFS: |
2603 | opt_show_refs = !opt_show_refs; | |
2604 | redraw_display(); | |
2605 | break; | |
2606 | ||
03a93dbb | 2607 | case REQ_PROMPT: |
8855ada4 | 2608 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2609 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2610 | break; |
2611 | ||
4af34daa JF |
2612 | case REQ_SEARCH: |
2613 | case REQ_SEARCH_BACK: | |
c02d8fce | 2614 | search_view(view, request); |
4af34daa JF |
2615 | break; |
2616 | ||
2617 | case REQ_FIND_NEXT: | |
2618 | case REQ_FIND_PREV: | |
2619 | find_next(view, request); | |
2620 | break; | |
2621 | ||
4a2909a7 | 2622 | case REQ_STOP_LOADING: |
59a45d3a JF |
2623 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2624 | view = &views[i]; | |
2e8488b4 | 2625 | if (view->pipe) |
6a7bb912 | 2626 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2627 | end_update(view); |
2628 | } | |
b801d8b2 JF |
2629 | break; |
2630 | ||
4a2909a7 | 2631 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2632 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2633 | return TRUE; |
2634 | ||
fac7db6c JF |
2635 | case REQ_SCREEN_RESIZE: |
2636 | resize_display(); | |
2637 | /* Fall-through */ | |
4a2909a7 | 2638 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2639 | redraw_display(); |
4a2909a7 JF |
2640 | break; |
2641 | ||
0cea0d43 JF |
2642 | case REQ_EDIT: |
2643 | report("Nothing to edit"); | |
531c6c69 JF |
2644 | break; |
2645 | ||
226da94b | 2646 | |
531c6c69 JF |
2647 | case REQ_ENTER: |
2648 | report("Nothing to enter"); | |
2649 | break; | |
ca1d71ea | 2650 | |
b801d8b2 | 2651 | |
4f9b667a | 2652 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2653 | /* XXX: Mark closed views by letting view->parent point to the |
2654 | * view itself. Parents to closed view should never be | |
2655 | * followed. */ | |
2656 | if (view->parent && | |
2657 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2658 | memset(display, 0, sizeof(display)); |
2659 | current_view = 0; | |
f6da0b66 | 2660 | display[current_view] = view->parent; |
2fcf5401 | 2661 | view->parent = view; |
4f9b667a JF |
2662 | resize_display(); |
2663 | redraw_display(); | |
2664 | break; | |
2665 | } | |
2666 | /* Fall-through */ | |
b801d8b2 JF |
2667 | case REQ_QUIT: |
2668 | return FALSE; | |
2669 | ||
2670 | default: | |
2e8488b4 | 2671 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2672 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2673 | return TRUE; |
2674 | } | |
2675 | ||
2676 | return TRUE; | |
2677 | } | |
2678 | ||
2679 | ||
2680 | /* | |
ff26aa29 | 2681 | * Pager backend |
b801d8b2 JF |
2682 | */ |
2683 | ||
6b161b31 | 2684 | static bool |
5dcf8064 | 2685 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2686 | { |
fe7233c3 JF |
2687 | char *text = line->data; |
2688 | enum line_type type = line->type; | |
78c70acd | 2689 | int attr; |
b801d8b2 | 2690 | |
6706b2ba JF |
2691 | wmove(view->win, lineno, 0); |
2692 | ||
5dcf8064 | 2693 | if (selected) { |
78c70acd | 2694 | type = LINE_CURSOR; |
6706b2ba | 2695 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2696 | } |
2697 | ||
78c70acd | 2698 | attr = get_line_attr(type); |
b801d8b2 | 2699 | wattrset(view->win, attr); |
b76c2afc | 2700 | |
6706b2ba JF |
2701 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2702 | static char spaces[] = " "; | |
2703 | int col_offset = 0, col = 0; | |
2704 | ||
2705 | if (opt_line_number) { | |
2706 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2707 | |
6706b2ba JF |
2708 | if (real_lineno == 1 || |
2709 | (real_lineno % opt_num_interval) == 0) { | |
2710 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2711 | |
6706b2ba JF |
2712 | } else { |
2713 | waddnstr(view->win, spaces, | |
2714 | MIN(view->digits, STRING_SIZE(spaces))); | |
2715 | } | |
2716 | waddstr(view->win, ": "); | |
2717 | col_offset = view->digits + 2; | |
2718 | } | |
8855ada4 | 2719 | |
fe7233c3 | 2720 | while (text && col_offset + col < view->width) { |
6706b2ba | 2721 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2722 | char *pos = text; |
6706b2ba | 2723 | int cols; |
4c6fabc2 | 2724 | |
fe7233c3 JF |
2725 | if (*text == '\t') { |
2726 | text++; | |
6706b2ba | 2727 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2728 | pos = spaces; |
6706b2ba | 2729 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2730 | |
b76c2afc | 2731 | } else { |
fe7233c3 JF |
2732 | text = strchr(text, '\t'); |
2733 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2734 | } |
6706b2ba | 2735 | |
fe7233c3 | 2736 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2737 | col += cols; |
b76c2afc | 2738 | } |
b76c2afc JF |
2739 | |
2740 | } else { | |
749cdc92 | 2741 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
b801d8b2 | 2742 | |
a00fff3c | 2743 | draw_text(view, text, view->width, TRUE, tilde_attr); |
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 | ||
3071 | static bool | |
3072 | tree_read(struct view *view, char *text) | |
3073 | { | |
be04d936 | 3074 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
3075 | char buf[SIZEOF_STR]; |
3076 | unsigned long pos; | |
3077 | enum line_type type; | |
f88a5319 | 3078 | bool first_read = view->lines == 0; |
e733ee54 JF |
3079 | |
3080 | if (textlen <= SIZEOF_TREE_ATTR) | |
3081 | return FALSE; | |
3082 | ||
3083 | type = text[STRING_SIZE("100644 ")] == 't' | |
3084 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
3085 | ||
f88a5319 | 3086 | if (first_read) { |
e733ee54 | 3087 | /* Add path info line */ |
0a0d8910 JF |
3088 | if (!string_format(buf, "Directory path /%s", opt_path) || |
3089 | !realloc_lines(view, view->line_size + 1) || | |
3090 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
3091 | return FALSE; |
3092 | ||
3093 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
3094 | if (*opt_path) { |
3095 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
3096 | !realloc_lines(view, view->line_size + 1) || | |
3097 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
3098 | return FALSE; | |
3099 | } | |
e733ee54 JF |
3100 | } |
3101 | ||
3102 | /* Strip the path part ... */ | |
3103 | if (*opt_path) { | |
3104 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
3105 | size_t striplen = strlen(opt_path); | |
3106 | char *path = text + SIZEOF_TREE_ATTR; | |
3107 | ||
3108 | if (pathlen > striplen) | |
3109 | memmove(path, path + striplen, | |
3110 | pathlen - striplen + 1); | |
3111 | } | |
3112 | ||
3113 | /* Skip "Directory ..." and ".." line. */ | |
3114 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
3115 | struct line *line = &view->line[pos]; | |
3116 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
3117 | char *path2 = text + SIZEOF_TREE_ATTR; | |
3118 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
3119 | ||
3120 | if (cmp <= 0) | |
3121 | continue; | |
3122 | ||
3123 | text = strdup(text); | |
3124 | if (!text) | |
3125 | return FALSE; | |
3126 | ||
3127 | if (view->lines > pos) | |
3128 | memmove(&view->line[pos + 1], &view->line[pos], | |
3129 | (view->lines - pos) * sizeof(*line)); | |
3130 | ||
3131 | line = &view->line[pos]; | |
3132 | line->data = text; | |
3133 | line->type = type; | |
3134 | view->lines++; | |
3135 | return TRUE; | |
3136 | } | |
3137 | ||
0a0d8910 | 3138 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
3139 | return FALSE; |
3140 | ||
69efc854 JF |
3141 | if (tree_lineno > view->lineno) { |
3142 | view->lineno = tree_lineno; | |
3143 | tree_lineno = 0; | |
3144 | } | |
f88a5319 | 3145 | |
e733ee54 JF |
3146 | return TRUE; |
3147 | } | |
3148 | ||
586c423d JF |
3149 | static enum request |
3150 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 3151 | { |
aac64c17 | 3152 | enum open_flags flags; |
586c423d | 3153 | |
c509eed2 DV |
3154 | if (request == REQ_TREE_PARENT) { |
3155 | if (*opt_path) { | |
3156 | /* fake 'cd ..' */ | |
3157 | request = REQ_ENTER; | |
3158 | line = &view->line[1]; | |
3159 | } else { | |
3160 | /* quit view if at top of tree */ | |
3161 | return REQ_VIEW_CLOSE; | |
3162 | } | |
3163 | } | |
586c423d JF |
3164 | if (request != REQ_ENTER) |
3165 | return request; | |
e733ee54 | 3166 | |
69efc854 JF |
3167 | /* Cleanup the stack if the tree view is at a different tree. */ |
3168 | while (!*opt_path && tree_stack) | |
3169 | pop_tree_stack_entry(); | |
3170 | ||
e733ee54 JF |
3171 | switch (line->type) { |
3172 | case LINE_TREE_DIR: | |
3173 | /* Depending on whether it is a subdir or parent (updir?) link | |
3174 | * mangle the path buffer. */ | |
3175 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 3176 | pop_tree_stack_entry(); |
e733ee54 JF |
3177 | |
3178 | } else { | |
4795d620 | 3179 | char *data = line->data; |
e733ee54 JF |
3180 | char *basename = data + SIZEOF_TREE_ATTR; |
3181 | ||
69efc854 | 3182 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
3183 | } |
3184 | ||
3185 | /* Trees and subtrees share the same ID, so they are not not | |
3186 | * unique like blobs. */ | |
aac64c17 | 3187 | flags = OPEN_RELOAD; |
e733ee54 JF |
3188 | request = REQ_VIEW_TREE; |
3189 | break; | |
3190 | ||
3191 | case LINE_TREE_FILE: | |
aac64c17 | 3192 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
3193 | request = REQ_VIEW_BLOB; |
3194 | break; | |
3195 | ||
3196 | default: | |
3197 | return TRUE; | |
3198 | } | |
3199 | ||
3200 | open_view(view, request, flags); | |
69efc854 JF |
3201 | if (request == REQ_VIEW_TREE) { |
3202 | view->lineno = tree_lineno; | |
3203 | } | |
e733ee54 | 3204 | |
586c423d | 3205 | return REQ_NONE; |
e733ee54 JF |
3206 | } |
3207 | ||
d720de4b JF |
3208 | static void |
3209 | tree_select(struct view *view, struct line *line) | |
3210 | { | |
9295982a | 3211 | char *text = (char *)line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
3212 | |
3213 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 3214 | string_copy_rev(ref_blob, text); |
d720de4b | 3215 | |
ebbaf4fe JF |
3216 | } else if (line->type != LINE_TREE_DIR) { |
3217 | return; | |
d720de4b | 3218 | } |
ebbaf4fe | 3219 | |
2463b4ea | 3220 | string_copy_rev(view->ref, text); |
d720de4b JF |
3221 | } |
3222 | ||
e733ee54 JF |
3223 | static struct view_ops tree_ops = { |
3224 | "file", | |
f098944b | 3225 | NULL, |
e733ee54 | 3226 | tree_read, |
f098944b | 3227 | pager_draw, |
586c423d | 3228 | tree_request, |
e733ee54 | 3229 | pager_grep, |
d720de4b | 3230 | tree_select, |
e733ee54 JF |
3231 | }; |
3232 | ||
3233 | static bool | |
3234 | blob_read(struct view *view, char *line) | |
3235 | { | |
c115e7ac | 3236 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
3237 | } |
3238 | ||
3239 | static struct view_ops blob_ops = { | |
3240 | "line", | |
f098944b | 3241 | NULL, |
e733ee54 | 3242 | blob_read, |
f098944b | 3243 | pager_draw, |
586c423d | 3244 | pager_request, |
e733ee54 | 3245 | pager_grep, |
d720de4b | 3246 | pager_select, |
e733ee54 JF |
3247 | }; |
3248 | ||
3249 | ||
3250 | /* | |
173d76ea JF |
3251 | * Status backend |
3252 | */ | |
3253 | ||
3254 | struct status { | |
3255 | char status; | |
3256 | struct { | |
3257 | mode_t mode; | |
3258 | char rev[SIZEOF_REV]; | |
5ba030cf | 3259 | char name[SIZEOF_STR]; |
173d76ea JF |
3260 | } old; |
3261 | struct { | |
3262 | mode_t mode; | |
3263 | char rev[SIZEOF_REV]; | |
5ba030cf | 3264 | char name[SIZEOF_STR]; |
173d76ea | 3265 | } new; |
173d76ea JF |
3266 | }; |
3267 | ||
b33611d8 JF |
3268 | static struct status stage_status; |
3269 | static enum line_type stage_line_type; | |
3270 | ||
173d76ea JF |
3271 | /* Get fields from the diff line: |
3272 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
3273 | */ | |
3274 | static inline bool | |
3275 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
3276 | { | |
3277 | char *old_mode = buf + 1; | |
3278 | char *new_mode = buf + 8; | |
3279 | char *old_rev = buf + 15; | |
3280 | char *new_rev = buf + 56; | |
3281 | char *status = buf + 97; | |
3282 | ||
5ba030cf | 3283 | if (bufsize < 99 || |
173d76ea JF |
3284 | old_mode[-1] != ':' || |
3285 | new_mode[-1] != ' ' || | |
3286 | old_rev[-1] != ' ' || | |
3287 | new_rev[-1] != ' ' || | |
3288 | status[-1] != ' ') | |
3289 | return FALSE; | |
3290 | ||
3291 | file->status = *status; | |
3292 | ||
3293 | string_copy_rev(file->old.rev, old_rev); | |
3294 | string_copy_rev(file->new.rev, new_rev); | |
3295 | ||
3296 | file->old.mode = strtoul(old_mode, NULL, 8); | |
3297 | file->new.mode = strtoul(new_mode, NULL, 8); | |
3298 | ||
5ba030cf | 3299 | file->old.name[0] = file->new.name[0] = 0; |
173d76ea JF |
3300 | |
3301 | return TRUE; | |
3302 | } | |
3303 | ||
3304 | static bool | |
3305 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
3306 | { | |
3307 | struct status *file = NULL; | |
b5c18d9d | 3308 | struct status *unmerged = NULL; |
173d76ea JF |
3309 | char buf[SIZEOF_STR * 4]; |
3310 | size_t bufsize = 0; | |
3311 | FILE *pipe; | |
3312 | ||
3313 | pipe = popen(cmd, "r"); | |
3314 | if (!pipe) | |
3315 | return FALSE; | |
3316 | ||
3317 | add_line_data(view, NULL, type); | |
3318 | ||
3319 | while (!feof(pipe) && !ferror(pipe)) { | |
3320 | char *sep; | |
3321 | size_t readsize; | |
3322 | ||
3323 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
3324 | if (!readsize) | |
3325 | break; | |
3326 | bufsize += readsize; | |
3327 | ||
3328 | /* Process while we have NUL chars. */ | |
3329 | while ((sep = memchr(buf, 0, bufsize))) { | |
3330 | size_t sepsize = sep - buf + 1; | |
3331 | ||
3332 | if (!file) { | |
3333 | if (!realloc_lines(view, view->line_size + 1)) | |
3334 | goto error_out; | |
3335 | ||
3336 | file = calloc(1, sizeof(*file)); | |
3337 | if (!file) | |
3338 | goto error_out; | |
3339 | ||
3340 | add_line_data(view, file, type); | |
3341 | } | |
3342 | ||
3343 | /* Parse diff info part. */ | |
3344 | if (!diff) { | |
3345 | file->status = '?'; | |
3346 | ||
3347 | } else if (!file->status) { | |
3348 | if (!status_get_diff(file, buf, sepsize)) | |
3349 | goto error_out; | |
3350 | ||
3351 | bufsize -= sepsize; | |
3352 | memmove(buf, sep + 1, bufsize); | |
3353 | ||
3354 | sep = memchr(buf, 0, bufsize); | |
3355 | if (!sep) | |
3356 | break; | |
3357 | sepsize = sep - buf + 1; | |
b5c18d9d JF |
3358 | |
3359 | /* Collapse all 'M'odified entries that | |
3360 | * follow a associated 'U'nmerged entry. | |
3361 | */ | |
3362 | if (file->status == 'U') { | |
3363 | unmerged = file; | |
3364 | ||
3365 | } else if (unmerged) { | |
5ba030cf | 3366 | int collapse = !strcmp(buf, unmerged->new.name); |
b5c18d9d JF |
3367 | |
3368 | unmerged = NULL; | |
3369 | if (collapse) { | |
3370 | free(file); | |
3371 | view->lines--; | |
3372 | continue; | |
3373 | } | |
3374 | } | |
173d76ea JF |
3375 | } |
3376 | ||
5ba030cf JF |
3377 | /* Grab the old name for rename/copy. */ |
3378 | if (!*file->old.name && | |
3379 | (file->status == 'R' || file->status == 'C')) { | |
3380 | sepsize = sep - buf + 1; | |
3381 | string_ncopy(file->old.name, buf, sepsize); | |
3382 | bufsize -= sepsize; | |
3383 | memmove(buf, sep + 1, bufsize); | |
3384 | ||
3385 | sep = memchr(buf, 0, bufsize); | |
3386 | if (!sep) | |
3387 | break; | |
3388 | sepsize = sep - buf + 1; | |
3389 | } | |
3390 | ||
173d76ea JF |
3391 | /* git-ls-files just delivers a NUL separated |
3392 | * list of file names similar to the second half | |
3393 | * of the git-diff-* output. */ | |
5ba030cf JF |
3394 | string_ncopy(file->new.name, buf, sepsize); |
3395 | if (!*file->old.name) | |
3396 | string_copy(file->old.name, file->new.name); | |
173d76ea JF |
3397 | bufsize -= sepsize; |
3398 | memmove(buf, sep + 1, bufsize); | |
3399 | file = NULL; | |
3400 | } | |
3401 | } | |
3402 | ||
3403 | if (ferror(pipe)) { | |
3404 | error_out: | |
3405 | pclose(pipe); | |
3406 | return FALSE; | |
3407 | } | |
3408 | ||
3409 | if (!view->line[view->lines - 1].data) | |
3410 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3411 | ||
3412 | pclose(pipe); | |
3413 | return TRUE; | |
3414 | } | |
3415 | ||
b5c18d9d | 3416 | /* Don't show unmerged entries in the staged section. */ |
5ba030cf | 3417 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD" |
b1744cbe | 3418 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" |
173d76ea | 3419 | #define STATUS_LIST_OTHER_CMD \ |
810f0078 | 3420 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3421 | |
f99c6095 | 3422 | #define STATUS_DIFF_INDEX_SHOW_CMD \ |
5ba030cf | 3423 | "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null" |
f99c6095 JF |
3424 | |
3425 | #define STATUS_DIFF_FILES_SHOW_CMD \ | |
5ba030cf | 3426 | "git diff-files --root --patch-with-stat -C -M -- %s %s 2>/dev/null" |
89d917a2 | 3427 | |
173d76ea JF |
3428 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3429 | * info using git-diff-files(1), and finally untracked files using | |
3430 | * git-ls-files(1). */ | |
3431 | static bool | |
3432 | status_open(struct view *view) | |
3433 | { | |
810f0078 JF |
3434 | struct stat statbuf; |
3435 | char exclude[SIZEOF_STR]; | |
3436 | char cmd[SIZEOF_STR]; | |
12e8c2be | 3437 | unsigned long prev_lineno = view->lineno; |
173d76ea JF |
3438 | size_t i; |
3439 | ||
3440 | for (i = 0; i < view->lines; i++) | |
3441 | free(view->line[i].data); | |
3442 | free(view->line); | |
518234f1 | 3443 | view->lines = view->line_alloc = view->line_size = view->lineno = 0; |
173d76ea JF |
3444 | view->line = NULL; |
3445 | ||
3446 | if (!realloc_lines(view, view->line_size + 6)) | |
3447 | return FALSE; | |
3448 | ||
810f0078 JF |
3449 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3450 | return FALSE; | |
3451 | ||
3452 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3453 | ||
3454 | if (stat(exclude, &statbuf) >= 0) { | |
3455 | size_t cmdsize = strlen(cmd); | |
3456 | ||
3457 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3458 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3459 | return FALSE; | |
3460 | } | |
3461 | ||
b1744cbe JF |
3462 | system("git update-index -q --refresh"); |
3463 | ||
173d76ea JF |
3464 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3465 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3466 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3467 | return FALSE; |
3468 | ||
12e8c2be JF |
3469 | /* If all went well restore the previous line number to stay in |
3470 | * the context. */ | |
3471 | if (prev_lineno < view->lines) | |
3472 | view->lineno = prev_lineno; | |
3473 | else | |
3474 | view->lineno = view->lines - 1; | |
3475 | ||
173d76ea JF |
3476 | return TRUE; |
3477 | } | |
3478 | ||
3479 | static bool | |
3480 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3481 | { | |
3482 | struct status *status = line->data; | |
749cdc92 | 3483 | int tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
173d76ea JF |
3484 | |
3485 | wmove(view->win, lineno, 0); | |
3486 | ||
3487 | if (selected) { | |
3488 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3489 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
749cdc92 | 3490 | tilde_attr = -1; |
173d76ea JF |
3491 | |
3492 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3493 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3494 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3495 | ||
3496 | } else { | |
3497 | wattrset(view->win, get_line_attr(line->type)); | |
3498 | } | |
3499 | ||
3500 | if (!status) { | |
3501 | char *text; | |
3502 | ||
3503 | switch (line->type) { | |
3504 | case LINE_STAT_STAGED: | |
3505 | text = "Changes to be committed:"; | |
3506 | break; | |
3507 | ||
3508 | case LINE_STAT_UNSTAGED: | |
3509 | text = "Changed but not updated:"; | |
3510 | break; | |
3511 | ||
3512 | case LINE_STAT_UNTRACKED: | |
3513 | text = "Untracked files:"; | |
3514 | break; | |
3515 | ||
3516 | case LINE_STAT_NONE: | |
3517 | text = " (no files)"; | |
3518 | break; | |
3519 | ||
3520 | default: | |
3521 | return FALSE; | |
3522 | } | |
3523 | ||
a00fff3c | 3524 | draw_text(view, text, view->width, TRUE, tilde_attr); |
173d76ea JF |
3525 | return TRUE; |
3526 | } | |
3527 | ||
3528 | waddch(view->win, status->status); | |
3529 | if (!selected) | |
3530 | wattrset(view->win, A_NORMAL); | |
3531 | wmove(view->win, lineno, 4); | |
749cdc92 JF |
3532 | if (view->width < 5) |
3533 | return TRUE; | |
173d76ea | 3534 | |
a00fff3c | 3535 | draw_text(view, status->new.name, view->width - 5, TRUE, tilde_attr); |
173d76ea JF |
3536 | return TRUE; |
3537 | } | |
3538 | ||
586c423d | 3539 | static enum request |
88f66e2d | 3540 | status_enter(struct view *view, struct line *line) |
173d76ea | 3541 | { |
89d917a2 | 3542 | struct status *status = line->data; |
5ba030cf JF |
3543 | char oldpath[SIZEOF_STR] = ""; |
3544 | char newpath[SIZEOF_STR] = ""; | |
89d917a2 JF |
3545 | char *info; |
3546 | size_t cmdsize = 0; | |
3547 | ||
4e8159cf JF |
3548 | if (line->type == LINE_STAT_NONE || |
3549 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3550 | report("No file to diff"); | |
586c423d | 3551 | return REQ_NONE; |
89d917a2 JF |
3552 | } |
3553 | ||
5ba030cf JF |
3554 | if (status) { |
3555 | if (sq_quote(oldpath, 0, status->old.name) >= sizeof(oldpath)) | |
3556 | return REQ_QUIT; | |
3557 | /* Diffs for unmerged entries are empty when pasing the | |
3558 | * new path, so leave it empty. */ | |
3559 | if (status->status != 'U' && | |
3560 | sq_quote(newpath, 0, status->new.name) >= sizeof(newpath)) | |
3561 | return REQ_QUIT; | |
3562 | } | |
89d917a2 JF |
3563 | |
3564 | if (opt_cdup[0] && | |
3565 | line->type != LINE_STAT_UNTRACKED && | |
3566 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3567 | return REQ_QUIT; |
89d917a2 JF |
3568 | |
3569 | switch (line->type) { | |
3570 | case LINE_STAT_STAGED: | |
f99c6095 | 3571 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3572 | STATUS_DIFF_INDEX_SHOW_CMD, oldpath, newpath)) |
586c423d | 3573 | return REQ_QUIT; |
4e8159cf JF |
3574 | if (status) |
3575 | info = "Staged changes to %s"; | |
3576 | else | |
3577 | info = "Staged changes"; | |
89d917a2 JF |
3578 | break; |
3579 | ||
3580 | case LINE_STAT_UNSTAGED: | |
f99c6095 | 3581 | if (!string_format_from(opt_cmd, &cmdsize, |
5ba030cf | 3582 | STATUS_DIFF_FILES_SHOW_CMD, oldpath, newpath)) |
586c423d | 3583 | return REQ_QUIT; |
4e8159cf JF |
3584 | if (status) |
3585 | info = "Unstaged changes to %s"; | |
3586 | else | |
3587 | info = "Unstaged changes"; | |
89d917a2 JF |
3588 | break; |
3589 | ||
3590 | case LINE_STAT_UNTRACKED: | |
3591 | if (opt_pipe) | |
586c423d JF |
3592 | return REQ_QUIT; |
3593 | ||
4e8159cf JF |
3594 | |
3595 | if (!status) { | |
3596 | report("No file to show"); | |
586c423d | 3597 | return REQ_NONE; |
4e8159cf JF |
3598 | } |
3599 | ||
5ba030cf | 3600 | opt_pipe = fopen(status->new.name, "r"); |
89d917a2 JF |
3601 | info = "Untracked file %s"; |
3602 | break; | |
3603 | ||
3604 | default: | |
e77aa656 | 3605 | die("line type %d not handled in switch", line->type); |
89d917a2 JF |
3606 | } |
3607 | ||
3e634113 JF |
3608 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3609 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3610 | if (status) { |
3611 | stage_status = *status; | |
3612 | } else { | |
3613 | memset(&stage_status, 0, sizeof(stage_status)); | |
3614 | } | |
3615 | ||
3616 | stage_line_type = line->type; | |
5ba030cf | 3617 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name); |
89d917a2 JF |
3618 | } |
3619 | ||
586c423d | 3620 | return REQ_NONE; |
ca1d71ea JF |
3621 | } |
3622 | ||
88f66e2d | 3623 | |
ca1d71ea JF |
3624 | static bool |
3625 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3626 | { | |
91c5d983 | 3627 | char cmd[SIZEOF_STR]; |
173d76ea | 3628 | char buf[SIZEOF_STR]; |
91c5d983 | 3629 | size_t cmdsize = 0; |
173d76ea JF |
3630 | size_t bufsize = 0; |
3631 | size_t written = 0; | |
3632 | FILE *pipe; | |
3633 | ||
91c5d983 | 3634 | if (opt_cdup[0] && |
ca1d71ea | 3635 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3636 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3637 | return FALSE; | |
3638 | ||
ca1d71ea | 3639 | switch (type) { |
173d76ea JF |
3640 | case LINE_STAT_STAGED: |
3641 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3642 | status->old.mode, | |
3643 | status->old.rev, | |
5ba030cf | 3644 | status->old.name, 0)) |
173d76ea | 3645 | return FALSE; |
91c5d983 JF |
3646 | |
3647 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3648 | break; |
3649 | ||
3650 | case LINE_STAT_UNSTAGED: | |
3651 | case LINE_STAT_UNTRACKED: | |
5ba030cf | 3652 | if (!string_format_from(buf, &bufsize, "%s%c", status->new.name, 0)) |
173d76ea | 3653 | return FALSE; |
91c5d983 JF |
3654 | |
3655 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3656 | break; |
3657 | ||
3658 | default: | |
e77aa656 | 3659 | die("line type %d not handled in switch", type); |
173d76ea JF |
3660 | } |
3661 | ||
3662 | pipe = popen(cmd, "w"); | |
3663 | if (!pipe) | |
3664 | return FALSE; | |
3665 | ||
3666 | while (!ferror(pipe) && written < bufsize) { | |
3667 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3668 | } | |
3669 | ||
3670 | pclose(pipe); | |
3671 | ||
3672 | if (written != bufsize) | |
3673 | return FALSE; | |
3674 | ||
173d76ea JF |
3675 | return TRUE; |
3676 | } | |
3677 | ||
3678 | static void | |
ca1d71ea JF |
3679 | status_update(struct view *view) |
3680 | { | |
dec7b437 | 3681 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3682 | |
dec7b437 | 3683 | assert(view->lines); |
11359638 | 3684 | |
dec7b437 JF |
3685 | if (!line->data) { |
3686 | while (++line < view->line + view->lines && line->data) { | |
3687 | if (!status_update_file(view, line->data, line->type)) | |
3688 | report("Failed to update file status"); | |
3689 | } | |
11359638 | 3690 | |
dec7b437 JF |
3691 | if (!line[-1].data) { |
3692 | report("Nothing to update"); | |
3693 | return; | |
93e4c4f6 JF |
3694 | } |
3695 | ||
dec7b437 JF |
3696 | } else if (!status_update_file(view, line->data, line->type)) { |
3697 | report("Failed to update file status"); | |
ca1d71ea JF |
3698 | } |
3699 | } | |
3700 | ||
88f66e2d JF |
3701 | static enum request |
3702 | status_request(struct view *view, enum request request, struct line *line) | |
3703 | { | |
0cea0d43 JF |
3704 | struct status *status = line->data; |
3705 | ||
88f66e2d JF |
3706 | switch (request) { |
3707 | case REQ_STATUS_UPDATE: | |
3708 | status_update(view); | |
3709 | break; | |
3710 | ||
b5c18d9d | 3711 | case REQ_STATUS_MERGE: |
91521b9d JF |
3712 | if (!status || status->status != 'U') { |
3713 | report("Merging only possible for files with unmerged status ('U')."); | |
3714 | return REQ_NONE; | |
3715 | } | |
5ba030cf | 3716 | open_mergetool(status->new.name); |
b5c18d9d JF |
3717 | break; |
3718 | ||
0cea0d43 JF |
3719 | case REQ_EDIT: |
3720 | if (!status) | |
3721 | return request; | |
3722 | ||
5ba030cf | 3723 | open_editor(status->status != '?', status->new.name); |
0cea0d43 JF |
3724 | break; |
3725 | ||
88f66e2d | 3726 | case REQ_ENTER: |
17a27c16 JF |
3727 | /* After returning the status view has been split to |
3728 | * show the stage view. No further reloading is | |
3729 | * necessary. */ | |
88f66e2d | 3730 | status_enter(view, line); |
17a27c16 | 3731 | return REQ_NONE; |
88f66e2d | 3732 | |
acaef3b3 | 3733 | case REQ_REFRESH: |
17a27c16 | 3734 | /* Simply reload the view. */ |
acaef3b3 JF |
3735 | break; |
3736 | ||
88f66e2d JF |
3737 | default: |
3738 | return request; | |
3739 | } | |
3740 | ||
17a27c16 JF |
3741 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); |
3742 | ||
88f66e2d JF |
3743 | return REQ_NONE; |
3744 | } | |
3745 | ||
ca1d71ea | 3746 | static void |
173d76ea JF |
3747 | status_select(struct view *view, struct line *line) |
3748 | { | |
11359638 JF |
3749 | struct status *status = line->data; |
3750 | char file[SIZEOF_STR] = "all files"; | |
173d76ea | 3751 | char *text; |
b5c18d9d | 3752 | char *key; |
173d76ea | 3753 | |
5ba030cf | 3754 | if (status && !string_format(file, "'%s'", status->new.name)) |
11359638 JF |
3755 | return; |
3756 | ||
3757 | if (!status && line[1].type == LINE_STAT_NONE) | |
3758 | line++; | |
3759 | ||
173d76ea JF |
3760 | switch (line->type) { |
3761 | case LINE_STAT_STAGED: | |
11359638 | 3762 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3763 | break; |
3764 | ||
3765 | case LINE_STAT_UNSTAGED: | |
11359638 | 3766 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3767 | break; |
3768 | ||
3769 | case LINE_STAT_UNTRACKED: | |
11359638 | 3770 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3771 | break; |
3772 | ||
3773 | case LINE_STAT_NONE: | |
11359638 JF |
3774 | text = "Nothing to update"; |
3775 | break; | |
173d76ea JF |
3776 | |
3777 | default: | |
e77aa656 | 3778 | die("line type %d not handled in switch", line->type); |
173d76ea JF |
3779 | } |
3780 | ||
b5c18d9d JF |
3781 | if (status && status->status == 'U') { |
3782 | text = "Press %s to resolve conflict in %s"; | |
3783 | key = get_key(REQ_STATUS_MERGE); | |
3784 | ||
3785 | } else { | |
3786 | key = get_key(REQ_STATUS_UPDATE); | |
3787 | } | |
3788 | ||
3789 | string_format(view->ref, text, key, file); | |
173d76ea JF |
3790 | } |
3791 | ||
3792 | static bool | |
3793 | status_grep(struct view *view, struct line *line) | |
3794 | { | |
3795 | struct status *status = line->data; | |
3796 | enum { S_STATUS, S_NAME, S_END } state; | |
3797 | char buf[2] = "?"; | |
3798 | regmatch_t pmatch; | |
3799 | ||
3800 | if (!status) | |
3801 | return FALSE; | |
3802 | ||
3803 | for (state = S_STATUS; state < S_END; state++) { | |
3804 | char *text; | |
3805 | ||
3806 | switch (state) { | |
5ba030cf | 3807 | case S_NAME: text = status->new.name; break; |
173d76ea JF |
3808 | case S_STATUS: |
3809 | buf[0] = status->status; | |
3810 | text = buf; | |
3811 | break; | |
3812 | ||
3813 | default: | |
3814 | return FALSE; | |
3815 | } | |
3816 | ||
3817 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3818 | return TRUE; | |
3819 | } | |
3820 | ||
3821 | return FALSE; | |
3822 | } | |
3823 | ||
3824 | static struct view_ops status_ops = { | |
3825 | "file", | |
3826 | status_open, | |
3827 | NULL, | |
3828 | status_draw, | |
586c423d | 3829 | status_request, |
173d76ea JF |
3830 | status_grep, |
3831 | status_select, | |
3832 | }; | |
3833 | ||
b33611d8 JF |
3834 | |
3835 | static bool | |
3836 | stage_diff_line(FILE *pipe, struct line *line) | |
3837 | { | |
3838 | char *buf = line->data; | |
3839 | size_t bufsize = strlen(buf); | |
3840 | size_t written = 0; | |
3841 | ||
3842 | while (!ferror(pipe) && written < bufsize) { | |
3843 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3844 | } | |
3845 | ||
3846 | fputc('\n', pipe); | |
3847 | ||
3848 | return written == bufsize; | |
3849 | } | |
3850 | ||
3851 | static struct line * | |
3852 | stage_diff_hdr(struct view *view, struct line *line) | |
3853 | { | |
3854 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3855 | struct line *diff_hdr; | |
3856 | ||
3857 | if (line->type == LINE_DIFF_CHUNK) | |
3858 | diff_hdr = line - 1; | |
3859 | else | |
3860 | diff_hdr = view->line + 1; | |
3861 | ||
3862 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3863 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3864 | return diff_hdr; | |
3865 | ||
3866 | diff_hdr += diff_hdr_dir; | |
3867 | } | |
3868 | ||
3869 | return NULL; | |
3870 | } | |
3871 | ||
3872 | static bool | |
3873 | stage_update_chunk(struct view *view, struct line *line) | |
3874 | { | |
3875 | char cmd[SIZEOF_STR]; | |
3876 | size_t cmdsize = 0; | |
3877 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3878 | FILE *pipe; | |
3879 | ||
3880 | diff_hdr = stage_diff_hdr(view, line); | |
3881 | if (!diff_hdr) | |
3882 | return FALSE; | |
3883 | ||
3884 | if (opt_cdup[0] && | |
3885 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3886 | return FALSE; | |
3887 | ||
3888 | if (!string_format_from(cmd, &cmdsize, | |
3889 | "git apply --cached %s - && " | |
3890 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3891 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3892 | return FALSE; | |
3893 | ||
3894 | pipe = popen(cmd, "w"); | |
3895 | if (!pipe) | |
3896 | return FALSE; | |
3897 | ||
3898 | diff_end = view->line + view->lines; | |
3899 | if (line->type != LINE_DIFF_CHUNK) { | |
3900 | diff_chunk = diff_hdr; | |
3901 | ||
3902 | } else { | |
3903 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3904 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3905 | diff_chunk->type == LINE_DIFF_HEADER) | |
3906 | diff_end = diff_chunk; | |
3907 | ||
3908 | diff_chunk = line; | |
3909 | ||
3910 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3911 | switch (diff_hdr->type) { | |
3912 | case LINE_DIFF_HEADER: | |
3913 | case LINE_DIFF_INDEX: | |
3914 | case LINE_DIFF_ADD: | |
3915 | case LINE_DIFF_DEL: | |
3916 | break; | |
3917 | ||
3918 | default: | |
3919 | diff_hdr++; | |
3920 | continue; | |
3921 | } | |
3922 | ||
3923 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3924 | pclose(pipe); | |
3925 | return FALSE; | |
3926 | } | |
3927 | } | |
3928 | } | |
3929 | ||
3930 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3931 | diff_chunk++; | |
3932 | ||
3933 | pclose(pipe); | |
3934 | ||
3935 | if (diff_chunk != diff_end) | |
3936 | return FALSE; | |
3937 | ||
3938 | return TRUE; | |
3939 | } | |
3940 | ||
3941 | static void | |
3942 | stage_update(struct view *view, struct line *line) | |
3943 | { | |
3944 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3945 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3946 | if (!stage_update_chunk(view, line)) { | |
3947 | report("Failed to apply chunk"); | |
3948 | return; | |
3949 | } | |
3950 | ||
3951 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3952 | report("Failed to update file"); | |
3953 | return; | |
3954 | } | |
3955 | ||
3956 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3957 | ||
3958 | view = VIEW(REQ_VIEW_STATUS); | |
3959 | if (view_is_displayed(view)) | |
3960 | status_enter(view, &view->line[view->lineno]); | |
3961 | } | |
3962 | ||
3963 | static enum request | |
3964 | stage_request(struct view *view, enum request request, struct line *line) | |
3965 | { | |
3966 | switch (request) { | |
3967 | case REQ_STATUS_UPDATE: | |
3968 | stage_update(view, line); | |
3969 | break; | |
3970 | ||
3971 | case REQ_EDIT: | |
5ba030cf | 3972 | if (!stage_status.new.name[0]) |
b33611d8 JF |
3973 | return request; |
3974 | ||
5ba030cf | 3975 | open_editor(stage_status.status != '?', stage_status.new.name); |
b33611d8 JF |
3976 | break; |
3977 | ||
3978 | case REQ_ENTER: | |
3979 | pager_request(view, request, line); | |
3980 | break; | |
3981 | ||
3982 | default: | |
3983 | return request; | |
3984 | } | |
3985 | ||
3986 | return REQ_NONE; | |
3987 | } | |
3988 | ||
3e634113 JF |
3989 | static struct view_ops stage_ops = { |
3990 | "line", | |
3991 | NULL, | |
3992 | pager_read, | |
3993 | pager_draw, | |
b33611d8 | 3994 | stage_request, |
3e634113 JF |
3995 | pager_grep, |
3996 | pager_select, | |
3997 | }; | |
173d76ea | 3998 | |
b33611d8 | 3999 | |
173d76ea | 4000 | /* |
ccc33449 | 4001 | * Revision graph |
ff26aa29 JF |
4002 | */ |
4003 | ||
4004 | struct commit { | |
10446330 | 4005 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 4006 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
4007 | char author[75]; /* Author of the commit. */ |
4008 | struct tm time; /* Date from the author ident. */ | |
4009 | struct ref **refs; /* Repository references. */ | |
4010 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
4011 | size_t graph_size; /* The width of the graph array. */ | |
d3b19ca4 | 4012 | bool has_parents; /* Rewritten --parents seen. */ |
ff26aa29 | 4013 | }; |
c34d9c9f | 4014 | |
ccc33449 JF |
4015 | /* Size of rev graph with no "padding" columns */ |
4016 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 4017 | |
2ce5c87c JF |
4018 | struct rev_graph { |
4019 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
4020 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
4021 | size_t size; | |
88757ebd JF |
4022 | struct commit *commit; |
4023 | size_t pos; | |
e81e9c2c | 4024 | unsigned int boundary:1; |
2b757533 JF |
4025 | }; |
4026 | ||
2b757533 | 4027 | /* Parents of the commit being visualized. */ |
446a5c36 | 4028 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 4029 | |
c65a501a | 4030 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
4031 | static struct rev_graph graph_stacks[4] = { |
4032 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 4033 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
4034 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
4035 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
4036 | }; |
4037 | ||
9e43b9cd | 4038 | static inline bool |
2ce5c87c | 4039 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
4040 | { |
4041 | return graph->parents->size > 1; | |
4042 | } | |
4043 | ||
88757ebd | 4044 | static inline void |
2ce5c87c | 4045 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 4046 | { |
2c27faac JF |
4047 | struct commit *commit = graph->commit; |
4048 | ||
4049 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
4050 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
4051 | } |
4052 | ||
2b757533 | 4053 | static void |
2ce5c87c | 4054 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
4055 | { |
4056 | if (graph_parent_is_merge(graph) && | |
4057 | graph->pos < graph->size - 1 && | |
4058 | graph->next->size == graph->size + graph->parents->size - 1) { | |
4059 | size_t i = graph->pos + graph->parents->size - 1; | |
4060 | ||
4061 | graph->commit->graph_size = i * 2; | |
4062 | while (i < graph->next->size - 1) { | |
4063 | append_to_rev_graph(graph, ' '); | |
4064 | append_to_rev_graph(graph, '\\'); | |
4065 | i++; | |
4066 | } | |
4067 | } | |
4068 | ||
4069 | graph->size = graph->pos = 0; | |
4070 | graph->commit = NULL; | |
4071 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
4072 | } | |
4073 | ||
4074 | static void | |
2ce5c87c | 4075 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 4076 | { |
2fe894e6 JF |
4077 | int i; |
4078 | ||
4079 | /* "Collapse" duplicate parents lines. | |
4080 | * | |
4081 | * FIXME: This needs to also update update the drawn graph but | |
4082 | * for now it just serves as a method for pruning graph lines. */ | |
4083 | for (i = 0; i < graph->size; i++) | |
4084 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
4085 | return; | |
2b757533 | 4086 | |
2ce5c87c | 4087 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 4088 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
4089 | } |
4090 | } | |
4091 | ||
92507a24 JF |
4092 | static chtype |
4093 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 4094 | { |
92507a24 | 4095 | chtype symbol; |
2b757533 | 4096 | |
e81e9c2c JF |
4097 | if (graph->boundary) |
4098 | symbol = REVGRAPH_BOUND; | |
4099 | else if (graph->parents->size == 0) | |
c8d60a25 | 4100 | symbol = REVGRAPH_INIT; |
18ffaa23 | 4101 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 4102 | symbol = REVGRAPH_MERGE; |
c65a501a | 4103 | else if (graph->pos >= graph->size) |
c8d60a25 | 4104 | symbol = REVGRAPH_BRANCH; |
2b757533 | 4105 | else |
c8d60a25 | 4106 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 4107 | |
92507a24 JF |
4108 | return symbol; |
4109 | } | |
4110 | ||
4111 | static void | |
4112 | draw_rev_graph(struct rev_graph *graph) | |
4113 | { | |
e937c2c8 JF |
4114 | struct rev_filler { |
4115 | chtype separator, line; | |
4116 | }; | |
4117 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
4118 | static struct rev_filler fillers[] = { | |
4119 | { ' ', REVGRAPH_LINE }, | |
4120 | { '`', '.' }, | |
4121 | { '\'', ' ' }, | |
4122 | { '/', ' ' }, | |
e937c2c8 | 4123 | }; |
92507a24 | 4124 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 4125 | struct rev_filler *filler; |
92507a24 JF |
4126 | size_t i; |
4127 | ||
e937c2c8 | 4128 | filler = &fillers[DEFAULT]; |
110e948e | 4129 | |
c65a501a | 4130 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 4131 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 4132 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
4133 | graph->prev->pos == i) |
4134 | filler = &fillers[RSHARP]; | |
4135 | ||
4136 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
4137 | } |
4138 | ||
92507a24 | 4139 | /* Place the symbol for this revision. */ |
c65a501a | 4140 | append_to_rev_graph(graph, symbol); |
2b757533 | 4141 | |
e937c2c8 JF |
4142 | if (graph->prev->size > graph->size) |
4143 | filler = &fillers[RDIAG]; | |
4144 | else | |
4145 | filler = &fillers[DEFAULT]; | |
4146 | ||
c8d60a25 | 4147 | i++; |
2b757533 | 4148 | |
c65a501a | 4149 | for (; i < graph->size; i++) { |
e937c2c8 JF |
4150 | append_to_rev_graph(graph, filler->separator); |
4151 | append_to_rev_graph(graph, filler->line); | |
4152 | if (graph_parent_is_merge(graph->prev) && | |
4153 | i < graph->prev->pos + graph->parents->size) | |
4154 | filler = &fillers[RSHARP]; | |
4155 | if (graph->prev->size > graph->size) | |
4156 | filler = &fillers[LDIAG]; | |
c65a501a JF |
4157 | } |
4158 | ||
4159 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
4160 | append_to_rev_graph(graph, filler->separator); |
4161 | if (filler->line != ' ') | |
4162 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 4163 | } |
b5d8f208 JF |
4164 | } |
4165 | ||
61eed810 JF |
4166 | /* Prepare the next rev graph */ |
4167 | static void | |
4168 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 4169 | { |
b5d8f208 JF |
4170 | size_t i; |
4171 | ||
320df4ea | 4172 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
4173 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
4174 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 4175 | break; |
b5d8f208 | 4176 | |
2ce5c87c | 4177 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
4178 | } |
4179 | ||
320df4ea | 4180 | /* Interleave the new revision parent(s). */ |
e81e9c2c | 4181 | for (i = 0; !graph->boundary && i < graph->parents->size; i++) |
2ce5c87c | 4182 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 4183 | |
320df4ea | 4184 | /* Lastly, put any remaining revisions. */ |
c65a501a | 4185 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 4186 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
4187 | } |
4188 | ||
4189 | static void | |
4190 | update_rev_graph(struct rev_graph *graph) | |
4191 | { | |
446a5c36 JF |
4192 | /* If this is the finalizing update ... */ |
4193 | if (graph->commit) | |
4194 | prepare_rev_graph(graph); | |
4195 | ||
4196 | /* Graph visualization needs a one rev look-ahead, | |
4197 | * so the first update doesn't visualize anything. */ | |
4198 | if (!graph->prev->commit) | |
4199 | return; | |
c65a501a | 4200 | |
61eed810 JF |
4201 | draw_rev_graph(graph->prev); |
4202 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
4203 | } |
4204 | ||
ccc33449 JF |
4205 | |
4206 | /* | |
4207 | * Main view backend | |
4208 | */ | |
4209 | ||
4210 | static bool | |
4211 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
4212 | { | |
4213 | char buf[DATE_COLS + 1]; | |
4214 | struct commit *commit = line->data; | |
4215 | enum line_type type; | |
4216 | int col = 0; | |
4217 | size_t timelen; | |
1c919d68 DV |
4218 | int tilde_attr; |
4219 | int space; | |
ccc33449 JF |
4220 | |
4221 | if (!*commit->author) | |
4222 | return FALSE; | |
4223 | ||
1c919d68 | 4224 | space = view->width; |
ccc33449 JF |
4225 | wmove(view->win, lineno, col); |
4226 | ||
4227 | if (selected) { | |
4228 | type = LINE_CURSOR; | |
4229 | wattrset(view->win, get_line_attr(type)); | |
4230 | wchgat(view->win, -1, 0, type, NULL); | |
1c919d68 | 4231 | tilde_attr = -1; |
ccc33449 JF |
4232 | } else { |
4233 | type = LINE_MAIN_COMMIT; | |
4234 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
1c919d68 | 4235 | tilde_attr = get_line_attr(LINE_MAIN_DELIM); |
ccc33449 JF |
4236 | } |
4237 | ||
823057f4 | 4238 | if (opt_date) { |
1c919d68 | 4239 | int n; |
ccc33449 | 4240 | |
1c919d68 | 4241 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
a00fff3c JF |
4242 | n = draw_text(view, buf, view->width - col, FALSE, tilde_attr); |
4243 | draw_text(view, " ", view->width - col - n, FALSE, tilde_attr); | |
ccc33449 | 4244 | |
1c919d68 DV |
4245 | col += DATE_COLS; |
4246 | wmove(view->win, lineno, col); | |
4247 | if (col >= view->width) | |
4248 | return TRUE; | |
ccc33449 | 4249 | } |
1c919d68 DV |
4250 | if (type != LINE_CURSOR) |
4251 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
ccc33449 | 4252 | |
823057f4 | 4253 | if (opt_author) { |
1c919d68 DV |
4254 | int max_len; |
4255 | ||
4256 | max_len = view->width - col; | |
4257 | if (max_len > AUTHOR_COLS - 1) | |
4258 | max_len = AUTHOR_COLS - 1; | |
a00fff3c | 4259 | draw_text(view, commit->author, max_len, TRUE, tilde_attr); |
1c919d68 DV |
4260 | col += AUTHOR_COLS; |
4261 | if (col >= view->width) | |
4262 | return TRUE; | |
ccc33449 JF |
4263 | } |
4264 | ||
ccc33449 | 4265 | if (opt_rev_graph && commit->graph_size) { |
749cdc92 | 4266 | size_t graph_size = view->width - col; |
ccc33449 JF |
4267 | size_t i; |
4268 | ||
f83b1c33 DV |
4269 | if (type != LINE_CURSOR) |
4270 | wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH)); | |
ccc33449 | 4271 | wmove(view->win, lineno, col); |
749cdc92 JF |
4272 | if (graph_size > commit->graph_size) |
4273 | graph_size = commit->graph_size; | |
ccc33449 JF |
4274 | /* Using waddch() instead of waddnstr() ensures that |
4275 | * they'll be rendered correctly for the cursor line. */ | |
749cdc92 | 4276 | for (i = 0; i < graph_size; i++) |
ccc33449 JF |
4277 | waddch(view->win, commit->graph[i]); |
4278 | ||
4279 | col += commit->graph_size + 1; | |
1c919d68 DV |
4280 | if (col >= view->width) |
4281 | return TRUE; | |
749cdc92 | 4282 | waddch(view->win, ' '); |
ccc33449 | 4283 | } |
f83b1c33 DV |
4284 | if (type != LINE_CURSOR) |
4285 | wattrset(view->win, A_NORMAL); | |
ccc33449 JF |
4286 | |
4287 | wmove(view->win, lineno, col); | |
4288 | ||
823057f4 | 4289 | if (opt_show_refs && commit->refs) { |
ccc33449 JF |
4290 | size_t i = 0; |
4291 | ||
4292 | do { | |
4293 | if (type == LINE_CURSOR) | |
4294 | ; | |
2384880b DV |
4295 | else if (commit->refs[i]->ltag) |
4296 | wattrset(view->win, get_line_attr(LINE_MAIN_LOCAL_TAG)); | |
ccc33449 JF |
4297 | else if (commit->refs[i]->tag) |
4298 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
4299 | else if (commit->refs[i]->remote) |
4300 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
4301 | else |
4302 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
1c919d68 | 4303 | |
a00fff3c JF |
4304 | col += draw_text(view, "[", view->width - col, TRUE, tilde_attr); |
4305 | col += draw_text(view, commit->refs[i]->name, view->width - col, | |
4306 | TRUE, tilde_attr); | |
4307 | col += draw_text(view, "]", view->width - col, TRUE, tilde_attr); | |
ccc33449 JF |
4308 | if (type != LINE_CURSOR) |
4309 | wattrset(view->win, A_NORMAL); | |
a00fff3c | 4310 | col += draw_text(view, " ", view->width - col, TRUE, tilde_attr); |
1c919d68 DV |
4311 | if (col >= view->width) |
4312 | return TRUE; | |
ccc33449 JF |
4313 | } while (commit->refs[i++]->next); |
4314 | } | |
4315 | ||
4316 | if (type != LINE_CURSOR) | |
4317 | wattrset(view->win, get_line_attr(type)); | |
4318 | ||
a00fff3c | 4319 | draw_text(view, commit->title, view->width - col, TRUE, tilde_attr); |
ccc33449 JF |
4320 | return TRUE; |
4321 | } | |
4322 | ||
4c6fabc2 | 4323 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 4324 | static bool |
701e4f5d | 4325 | main_read(struct view *view, char *line) |
22f66b0a | 4326 | { |
2ce5c87c | 4327 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 4328 | enum line_type type; |
0ff3b97c | 4329 | struct commit *commit; |
22f66b0a | 4330 | |
be04d936 | 4331 | if (!line) { |
446a5c36 | 4332 | update_rev_graph(graph); |
be04d936 JF |
4333 | return TRUE; |
4334 | } | |
4335 | ||
4336 | type = get_line_type(line); | |
0ff3b97c | 4337 | if (type == LINE_COMMIT) { |
22f66b0a JF |
4338 | commit = calloc(1, sizeof(struct commit)); |
4339 | if (!commit) | |
4340 | return FALSE; | |
4341 | ||
e81e9c2c JF |
4342 | line += STRING_SIZE("commit "); |
4343 | if (*line == '-') { | |
4344 | graph->boundary = 1; | |
4345 | line++; | |
4346 | } | |
4347 | ||
4348 | string_copy_rev(commit->id, line); | |
c34d9c9f | 4349 | commit->refs = get_refs(commit->id); |
c65a501a | 4350 | graph->commit = commit; |
e314c36d | 4351 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
d3b19ca4 JF |
4352 | |
4353 | while ((line = strchr(line, ' '))) { | |
4354 | line++; | |
4355 | push_rev_graph(graph->parents, line); | |
4356 | commit->has_parents = TRUE; | |
4357 | } | |
0ff3b97c JF |
4358 | return TRUE; |
4359 | } | |
2b757533 | 4360 | |
0ff3b97c JF |
4361 | if (!view->lines) |
4362 | return TRUE; | |
4363 | commit = view->line[view->lines - 1].data; | |
4364 | ||
4365 | switch (type) { | |
2b757533 | 4366 | case LINE_PARENT: |
d3b19ca4 JF |
4367 | if (commit->has_parents) |
4368 | break; | |
0ff3b97c | 4369 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 4370 | break; |
22f66b0a | 4371 | |
8855ada4 | 4372 | case LINE_AUTHOR: |
b76c2afc | 4373 | { |
19c3ac60 JF |
4374 | /* Parse author lines where the name may be empty: |
4375 | * author <email@address.tld> 1138474660 +0100 | |
4376 | */ | |
4c6fabc2 | 4377 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
4378 | char *nameend = strchr(ident, '<'); |
4379 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 4380 | |
0ff3b97c | 4381 | if (!nameend || !emailend) |
fe7233c3 JF |
4382 | break; |
4383 | ||
c65a501a JF |
4384 | update_rev_graph(graph); |
4385 | graph = graph->next; | |
2b757533 | 4386 | |
19c3ac60 JF |
4387 | *nameend = *emailend = 0; |
4388 | ident = chomp_string(ident); | |
4389 | if (!*ident) { | |
4390 | ident = chomp_string(nameend + 1); | |
4391 | if (!*ident) | |
4392 | ident = "Unknown"; | |
b76c2afc JF |
4393 | } |
4394 | ||
739e81de | 4395 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 4396 | |
4c6fabc2 | 4397 | /* Parse epoch and timezone */ |
19c3ac60 JF |
4398 | if (emailend[1] == ' ') { |
4399 | char *secs = emailend + 2; | |
4400 | char *zone = strchr(secs, ' '); | |
4401 | time_t time = (time_t) atol(secs); | |
b76c2afc | 4402 | |
4c6fabc2 | 4403 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
4404 | long tz; |
4405 | ||
4406 | zone++; | |
4407 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
4408 | tz += ('0' - zone[2]) * 60 * 60; | |
4409 | tz += ('0' - zone[3]) * 60; | |
4410 | tz += ('0' - zone[4]) * 60; | |
4411 | ||
4412 | if (zone[0] == '-') | |
4413 | tz = -tz; | |
4414 | ||
4415 | time -= tz; | |
4416 | } | |
19c3ac60 | 4417 | |
b76c2afc JF |
4418 | gmtime_r(&time, &commit->time); |
4419 | } | |
4420 | break; | |
4421 | } | |
78c70acd | 4422 | default: |
2e8488b4 | 4423 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
4424 | if (commit->title[0]) |
4425 | break; | |
4426 | ||
4427 | /* Require titles to start with a non-space character at the | |
4428 | * offset used by git log. */ | |
9073c64a JF |
4429 | if (strncmp(line, " ", 4)) |
4430 | break; | |
4431 | line += 4; | |
4432 | /* Well, if the title starts with a whitespace character, | |
4433 | * try to be forgiving. Otherwise we end up with no title. */ | |
4434 | while (isspace(*line)) | |
4435 | line++; | |
4436 | if (*line == '\0') | |
82e78006 | 4437 | break; |
9073c64a JF |
4438 | /* FIXME: More graceful handling of titles; append "..." to |
4439 | * shortened titles, etc. */ | |
82e78006 | 4440 | |
739e81de | 4441 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
4442 | } |
4443 | ||
4444 | return TRUE; | |
4445 | } | |
4446 | ||
586c423d JF |
4447 | static enum request |
4448 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4449 | { |
b3a54cba JF |
4450 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4451 | ||
586c423d JF |
4452 | if (request == REQ_ENTER) |
4453 | open_view(view, REQ_VIEW_DIFF, flags); | |
4454 | else | |
4455 | return request; | |
4456 | ||
4457 | return REQ_NONE; | |
b801d8b2 JF |
4458 | } |
4459 | ||
4af34daa JF |
4460 | static bool |
4461 | main_grep(struct view *view, struct line *line) | |
4462 | { | |
4463 | struct commit *commit = line->data; | |
4464 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4465 | char buf[DATE_COLS + 1]; | |
4466 | regmatch_t pmatch; | |
4467 | ||
4468 | for (state = S_TITLE; state < S_END; state++) { | |
4469 | char *text; | |
4470 | ||
4471 | switch (state) { | |
4472 | case S_TITLE: text = commit->title; break; | |
4473 | case S_AUTHOR: text = commit->author; break; | |
4474 | case S_DATE: | |
4475 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4476 | continue; | |
4477 | text = buf; | |
4478 | break; | |
4479 | ||
4480 | default: | |
4481 | return FALSE; | |
4482 | } | |
4483 | ||
b77b2cb8 | 4484 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4485 | return TRUE; |
4486 | } | |
4487 | ||
4488 | return FALSE; | |
4489 | } | |
4490 | ||
d720de4b JF |
4491 | static void |
4492 | main_select(struct view *view, struct line *line) | |
4493 | { | |
4494 | struct commit *commit = line->data; | |
4495 | ||
2463b4ea JF |
4496 | string_copy_rev(view->ref, commit->id); |
4497 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4498 | } |
4499 | ||
6b161b31 | 4500 | static struct view_ops main_ops = { |
6734f6b9 | 4501 | "commit", |
f098944b | 4502 | NULL, |
6b161b31 | 4503 | main_read, |
f098944b | 4504 | main_draw, |
586c423d | 4505 | main_request, |
4af34daa | 4506 | main_grep, |
d720de4b | 4507 | main_select, |
6b161b31 | 4508 | }; |
2e8488b4 | 4509 | |
c34d9c9f | 4510 | |
6b161b31 | 4511 | /* |
10e290ee JF |
4512 | * Unicode / UTF-8 handling |
4513 | * | |
4514 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4515 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4516 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4517 | */ | |
4518 | ||
4519 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4520 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4521 | * --jonas */ | |
4522 | ||
4523 | static inline int | |
4524 | unicode_width(unsigned long c) | |
4525 | { | |
4526 | if (c >= 0x1100 && | |
4527 | (c <= 0x115f /* Hangul Jamo */ | |
4528 | || c == 0x2329 | |
4529 | || c == 0x232a | |
4530 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4531 | /* CJK ... Yi */ |
10e290ee JF |
4532 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4533 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4534 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4535 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4536 | || (c >= 0xffe0 && c <= 0xffe6) | |
4537 | || (c >= 0x20000 && c <= 0x2fffd) | |
4538 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4539 | return 2; | |
4540 | ||
749cdc92 JF |
4541 | if (c == '\t') |
4542 | return opt_tab_size; | |
4543 | ||
10e290ee JF |
4544 | return 1; |
4545 | } | |
4546 | ||
4547 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4548 | * Illegal bytes are set one. */ | |
4549 | static const unsigned char utf8_bytes[256] = { | |
4550 | 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, | |
4551 | 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, | |
4552 | 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, | |
4553 | 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, | |
4554 | 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, | |
4555 | 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, | |
4556 | 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, | |
4557 | 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, | |
4558 | }; | |
4559 | ||
4560 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4561 | static inline unsigned long | |
4562 | utf8_to_unicode(const char *string, size_t length) | |
4563 | { | |
4564 | unsigned long unicode; | |
4565 | ||
4566 | switch (length) { | |
4567 | case 1: | |
4568 | unicode = string[0]; | |
4569 | break; | |
4570 | case 2: | |
4571 | unicode = (string[0] & 0x1f) << 6; | |
4572 | unicode += (string[1] & 0x3f); | |
4573 | break; | |
4574 | case 3: | |
4575 | unicode = (string[0] & 0x0f) << 12; | |
4576 | unicode += ((string[1] & 0x3f) << 6); | |
4577 | unicode += (string[2] & 0x3f); | |
4578 | break; | |
4579 | case 4: | |
4580 | unicode = (string[0] & 0x0f) << 18; | |
4581 | unicode += ((string[1] & 0x3f) << 12); | |
4582 | unicode += ((string[2] & 0x3f) << 6); | |
4583 | unicode += (string[3] & 0x3f); | |
4584 | break; | |
4585 | case 5: | |
4586 | unicode = (string[0] & 0x0f) << 24; | |
4587 | unicode += ((string[1] & 0x3f) << 18); | |
4588 | unicode += ((string[2] & 0x3f) << 12); | |
4589 | unicode += ((string[3] & 0x3f) << 6); | |
4590 | unicode += (string[4] & 0x3f); | |
4591 | break; | |
68b6e0eb | 4592 | case 6: |
10e290ee JF |
4593 | unicode = (string[0] & 0x01) << 30; |
4594 | unicode += ((string[1] & 0x3f) << 24); | |
4595 | unicode += ((string[2] & 0x3f) << 18); | |
4596 | unicode += ((string[3] & 0x3f) << 12); | |
4597 | unicode += ((string[4] & 0x3f) << 6); | |
4598 | unicode += (string[5] & 0x3f); | |
4599 | break; | |
4600 | default: | |
4601 | die("Invalid unicode length"); | |
4602 | } | |
4603 | ||
4604 | /* Invalid characters could return the special 0xfffd value but NUL | |
4605 | * should be just as good. */ | |
4606 | return unicode > 0xffff ? 0 : unicode; | |
4607 | } | |
4608 | ||
4609 | /* Calculates how much of string can be shown within the given maximum width | |
4610 | * and sets trimmed parameter to non-zero value if all of string could not be | |
012e76e9 JF |
4611 | * shown. If the reserve flag is TRUE, it will reserve at least one |
4612 | * trailing character, which can be useful when drawing a delimiter. | |
10e290ee JF |
4613 | * |
4614 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4615 | static size_t | |
012e76e9 | 4616 | utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve) |
10e290ee JF |
4617 | { |
4618 | const char *start = string; | |
4619 | const char *end = strchr(string, '\0'); | |
012e76e9 | 4620 | unsigned char last_bytes = 0; |
10e290ee JF |
4621 | size_t width = 0; |
4622 | ||
4623 | *trimmed = 0; | |
4624 | ||
4625 | while (string < end) { | |
4626 | int c = *(unsigned char *) string; | |
4627 | unsigned char bytes = utf8_bytes[c]; | |
4628 | size_t ucwidth; | |
4629 | unsigned long unicode; | |
4630 | ||
4631 | if (string + bytes > end) | |
4632 | break; | |
4633 | ||
4634 | /* Change representation to figure out whether | |
4635 | * it is a single- or double-width character. */ | |
4636 | ||
4637 | unicode = utf8_to_unicode(string, bytes); | |
4638 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4639 | if (!unicode) | |
4640 | break; | |
4641 | ||
4642 | ucwidth = unicode_width(unicode); | |
4643 | width += ucwidth; | |
4644 | if (width > max_width) { | |
4645 | *trimmed = 1; | |
012e76e9 JF |
4646 | if (reserve && width - ucwidth == max_width) { |
4647 | string -= last_bytes; | |
4648 | } | |
10e290ee JF |
4649 | break; |
4650 | } | |
4651 | ||
10e290ee | 4652 | string += bytes; |
012e76e9 | 4653 | last_bytes = bytes; |
10e290ee JF |
4654 | } |
4655 | ||
10e290ee JF |
4656 | return string - start; |
4657 | } | |
4658 | ||
4659 | ||
4660 | /* | |
6b161b31 JF |
4661 | * Status management |
4662 | */ | |
2e8488b4 | 4663 | |
8855ada4 | 4664 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4665 | static bool cursed = FALSE; |
8855ada4 | 4666 | |
6b161b31 JF |
4667 | /* The status window is used for polling keystrokes. */ |
4668 | static WINDOW *status_win; | |
4a2909a7 | 4669 | |
21be28fb JF |
4670 | static bool status_empty = TRUE; |
4671 | ||
2e8488b4 | 4672 | /* Update status and title window. */ |
4a2909a7 JF |
4673 | static void |
4674 | report(const char *msg, ...) | |
4675 | { | |
6706b2ba | 4676 | struct view *view = display[current_view]; |
b76c2afc | 4677 | |
ab4af23e JF |
4678 | if (input_mode) |
4679 | return; | |
4680 | ||
c38c64bb JF |
4681 | if (!view) { |
4682 | char buf[SIZEOF_STR]; | |
4683 | va_list args; | |
4684 | ||
4685 | va_start(args, msg); | |
4686 | if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) { | |
4687 | buf[sizeof(buf) - 1] = 0; | |
4688 | buf[sizeof(buf) - 2] = '.'; | |
4689 | buf[sizeof(buf) - 3] = '.'; | |
4690 | buf[sizeof(buf) - 4] = '.'; | |
4691 | } | |
4692 | va_end(args); | |
4693 | die("%s", buf); | |
4694 | } | |
4695 | ||
21be28fb | 4696 | if (!status_empty || *msg) { |
6706b2ba | 4697 | va_list args; |
4a2909a7 | 4698 | |
6706b2ba | 4699 | va_start(args, msg); |
4b76734f | 4700 | |
6706b2ba JF |
4701 | wmove(status_win, 0, 0); |
4702 | if (*msg) { | |
4703 | vwprintw(status_win, msg, args); | |
21be28fb | 4704 | status_empty = FALSE; |
6706b2ba | 4705 | } else { |
21be28fb | 4706 | status_empty = TRUE; |
6706b2ba | 4707 | } |
390a8262 | 4708 | wclrtoeol(status_win); |
6706b2ba | 4709 | wrefresh(status_win); |
b801d8b2 | 4710 | |
6706b2ba JF |
4711 | va_end(args); |
4712 | } | |
4713 | ||
4714 | update_view_title(view); | |
2bee3bde | 4715 | update_display_cursor(view); |
b801d8b2 JF |
4716 | } |
4717 | ||
6b161b31 JF |
4718 | /* Controls when nodelay should be in effect when polling user input. */ |
4719 | static void | |
1ba2ae4b | 4720 | set_nonblocking_input(bool loading) |
b801d8b2 | 4721 | { |
6706b2ba | 4722 | static unsigned int loading_views; |
b801d8b2 | 4723 | |
6706b2ba JF |
4724 | if ((loading == FALSE && loading_views-- == 1) || |
4725 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4726 | nodelay(status_win, loading); |
6b161b31 JF |
4727 | } |
4728 | ||
4729 | static void | |
4730 | init_display(void) | |
4731 | { | |
4732 | int x, y; | |
b76c2afc | 4733 | |
6908bdbd JF |
4734 | /* Initialize the curses library */ |
4735 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4736 | cursed = !!initscr(); |
6908bdbd JF |
4737 | } else { |
4738 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4739 | FILE *io = fopen("/dev/tty", "r+"); | |
4740 | ||
e6f60674 JF |
4741 | if (!io) |
4742 | die("Failed to open /dev/tty"); | |
8855ada4 | 4743 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4744 | } |
4745 | ||
8855ada4 JF |
4746 | if (!cursed) |
4747 | die("Failed to initialize curses"); | |
4748 | ||
2e8488b4 JF |
4749 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4750 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4751 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4752 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4753 | |
4754 | if (has_colors()) | |
4755 | init_colors(); | |
4756 | ||
4757 | getmaxyx(stdscr, y, x); | |
4758 | status_win = newwin(1, 0, y - 1, 0); | |
4759 | if (!status_win) | |
4760 | die("Failed to create status window"); | |
4761 | ||
4762 | /* Enable keyboard mapping */ | |
4763 | keypad(status_win, TRUE); | |
78c70acd | 4764 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4765 | } |
4766 | ||
4af34daa | 4767 | static char * |
cb9e48c1 | 4768 | read_prompt(const char *prompt) |
ef5404a4 JF |
4769 | { |
4770 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4771 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4772 | int pos = 0; |
4773 | ||
4774 | while (status == READING) { | |
4775 | struct view *view; | |
4776 | int i, key; | |
4777 | ||
ab4af23e JF |
4778 | input_mode = TRUE; |
4779 | ||
699ae55b | 4780 | foreach_view (view, i) |
ef5404a4 JF |
4781 | update_view(view); |
4782 | ||
ab4af23e JF |
4783 | input_mode = FALSE; |
4784 | ||
4785 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4786 | wclrtoeol(status_win); | |
4787 | ||
ef5404a4 JF |
4788 | /* Refresh, accept single keystroke of input */ |
4789 | key = wgetch(status_win); | |
4790 | switch (key) { | |
4791 | case KEY_RETURN: | |
4792 | case KEY_ENTER: | |
4793 | case '\n': | |
4794 | status = pos ? STOP : CANCEL; | |
4795 | break; | |
4796 | ||
4797 | case KEY_BACKSPACE: | |
4798 | if (pos > 0) | |
4799 | pos--; | |
4800 | else | |
4801 | status = CANCEL; | |
4802 | break; | |
4803 | ||
4804 | case KEY_ESC: | |
4805 | status = CANCEL; | |
4806 | break; | |
4807 | ||
4808 | case ERR: | |
4809 | break; | |
4810 | ||
4811 | default: | |
4812 | if (pos >= sizeof(buf)) { | |
4813 | report("Input string too long"); | |
9e21ce5c | 4814 | return NULL; |
ef5404a4 JF |
4815 | } |
4816 | ||
4817 | if (isprint(key)) | |
4818 | buf[pos++] = (char) key; | |
4819 | } | |
4820 | } | |
4821 | ||
7a06ebdf JF |
4822 | /* Clear the status window */ |
4823 | status_empty = FALSE; | |
4824 | report(""); | |
4825 | ||
4826 | if (status == CANCEL) | |
9e21ce5c | 4827 | return NULL; |
ef5404a4 JF |
4828 | |
4829 | buf[pos++] = 0; | |
ef5404a4 | 4830 | |
9e21ce5c | 4831 | return buf; |
ef5404a4 | 4832 | } |
c34d9c9f JF |
4833 | |
4834 | /* | |
4835 | * Repository references | |
4836 | */ | |
4837 | ||
518234f1 DV |
4838 | static struct ref *refs = NULL; |
4839 | static size_t refs_alloc = 0; | |
4840 | static size_t refs_size = 0; | |
c34d9c9f | 4841 | |
1307df1a | 4842 | /* Id <-> ref store */ |
518234f1 DV |
4843 | static struct ref ***id_refs = NULL; |
4844 | static size_t id_refs_alloc = 0; | |
4845 | static size_t id_refs_size = 0; | |
1307df1a | 4846 | |
c34d9c9f JF |
4847 | static struct ref ** |
4848 | get_refs(char *id) | |
4849 | { | |
1307df1a JF |
4850 | struct ref ***tmp_id_refs; |
4851 | struct ref **ref_list = NULL; | |
518234f1 | 4852 | size_t ref_list_alloc = 0; |
1307df1a | 4853 | size_t ref_list_size = 0; |
c34d9c9f JF |
4854 | size_t i; |
4855 | ||
1307df1a JF |
4856 | for (i = 0; i < id_refs_size; i++) |
4857 | if (!strcmp(id, id_refs[i][0]->id)) | |
4858 | return id_refs[i]; | |
4859 | ||
518234f1 DV |
4860 | tmp_id_refs = realloc_items(id_refs, &id_refs_alloc, id_refs_size + 1, |
4861 | sizeof(*id_refs)); | |
1307df1a JF |
4862 | if (!tmp_id_refs) |
4863 | return NULL; | |
4864 | ||
4865 | id_refs = tmp_id_refs; | |
4866 | ||
c34d9c9f JF |
4867 | for (i = 0; i < refs_size; i++) { |
4868 | struct ref **tmp; | |
4869 | ||
4870 | if (strcmp(id, refs[i].id)) | |
4871 | continue; | |
4872 | ||
518234f1 DV |
4873 | tmp = realloc_items(ref_list, &ref_list_alloc, |
4874 | ref_list_size + 1, sizeof(*ref_list)); | |
c34d9c9f | 4875 | if (!tmp) { |
1307df1a JF |
4876 | if (ref_list) |
4877 | free(ref_list); | |
c34d9c9f JF |
4878 | return NULL; |
4879 | } | |
4880 | ||
1307df1a JF |
4881 | ref_list = tmp; |
4882 | if (ref_list_size > 0) | |
4883 | ref_list[ref_list_size - 1]->next = 1; | |
4884 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4885 | |
4886 | /* XXX: The properties of the commit chains ensures that we can | |
4887 | * safely modify the shared ref. The repo references will | |
4888 | * always be similar for the same id. */ | |
1307df1a JF |
4889 | ref_list[ref_list_size]->next = 0; |
4890 | ref_list_size++; | |
c34d9c9f JF |
4891 | } |
4892 | ||
1307df1a JF |
4893 | if (ref_list) |
4894 | id_refs[id_refs_size++] = ref_list; | |
4895 | ||
4896 | return ref_list; | |
c34d9c9f JF |
4897 | } |
4898 | ||
4899 | static int | |
5699e0cf | 4900 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4901 | { |
d0cea5f9 JF |
4902 | struct ref *ref; |
4903 | bool tag = FALSE; | |
2384880b | 4904 | bool ltag = FALSE; |
e15ec88e | 4905 | bool remote = FALSE; |
2384880b | 4906 | bool check_replace = FALSE; |
d0cea5f9 | 4907 | |
8b0297ae | 4908 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
2384880b DV |
4909 | if (!strcmp(name + namelen - 3, "^{}")) { |
4910 | namelen -= 3; | |
4911 | name[namelen] = 0; | |
4912 | if (refs_size > 0 && refs[refs_size - 1].ltag == TRUE) | |
4913 | check_replace = TRUE; | |
4914 | } else { | |
4915 | ltag = TRUE; | |
4916 | } | |
c34d9c9f | 4917 | |
d0cea5f9 | 4918 | tag = TRUE; |
8b0297ae JF |
4919 | namelen -= STRING_SIZE("refs/tags/"); |
4920 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4921 | |
e15ec88e JF |
4922 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4923 | remote = TRUE; | |
4924 | namelen -= STRING_SIZE("refs/remotes/"); | |
4925 | name += STRING_SIZE("refs/remotes/"); | |
4926 | ||
d0cea5f9 | 4927 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4928 | namelen -= STRING_SIZE("refs/heads/"); |
4929 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4930 | |
d0cea5f9 JF |
4931 | } else if (!strcmp(name, "HEAD")) { |
4932 | return OK; | |
4933 | } | |
6706b2ba | 4934 | |
2384880b DV |
4935 | if (check_replace && !strcmp(name, refs[refs_size - 1].name)) { |
4936 | /* it's an annotated tag, replace the previous sha1 with the | |
4937 | * resolved commit id; relies on the fact git-ls-remote lists | |
4938 | * the commit id of an annotated tag right beofre the commit id | |
4939 | * it points to. */ | |
4940 | refs[refs_size - 1].ltag = ltag; | |
4941 | string_copy_rev(refs[refs_size - 1].id, id); | |
4942 | ||
4943 | return OK; | |
4944 | } | |
518234f1 | 4945 | refs = realloc_items(refs, &refs_alloc, refs_size + 1, sizeof(*refs)); |
d0cea5f9 JF |
4946 | if (!refs) |
4947 | return ERR; | |
c34d9c9f | 4948 | |
d0cea5f9 | 4949 | ref = &refs[refs_size++]; |
8b0297ae | 4950 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4951 | if (!ref->name) |
4952 | return ERR; | |
3af8774e | 4953 | |
8b0297ae JF |
4954 | strncpy(ref->name, name, namelen); |
4955 | ref->name[namelen] = 0; | |
d0cea5f9 | 4956 | ref->tag = tag; |
2384880b | 4957 | ref->ltag = ltag; |
e15ec88e | 4958 | ref->remote = remote; |
2463b4ea | 4959 | string_copy_rev(ref->id, id); |
3af8774e | 4960 | |
d0cea5f9 JF |
4961 | return OK; |
4962 | } | |
c34d9c9f | 4963 | |
d0cea5f9 JF |
4964 | static int |
4965 | load_refs(void) | |
4966 | { | |
4967 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4968 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4969 | |
4a63c884 | 4970 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4971 | } |
c34d9c9f | 4972 | |
d0cea5f9 | 4973 | static int |
5699e0cf | 4974 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4975 | { |
22913179 | 4976 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4977 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4978 | |
0cea0d43 JF |
4979 | if (!strcmp(name, "core.editor")) |
4980 | string_ncopy(opt_editor, value, valuelen); | |
4981 | ||
c34d9c9f JF |
4982 | return OK; |
4983 | } | |
4984 | ||
4670cf89 | 4985 | static int |
14c778a6 | 4986 | load_repo_config(void) |
4670cf89 | 4987 | { |
96e58f5b | 4988 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4989 | "=", read_repo_config_option); |
d0cea5f9 JF |
4990 | } |
4991 | ||
4992 | static int | |
5699e0cf | 4993 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4994 | { |
c38c64bb | 4995 | if (!opt_git_dir[0]) { |
810f0078 | 4996 | string_ncopy(opt_git_dir, name, namelen); |
c38c64bb JF |
4997 | |
4998 | } else if (opt_is_inside_work_tree == -1) { | |
4999 | /* This can be 3 different values depending on the | |
5000 | * version of git being used. If git-rev-parse does not | |
5001 | * understand --is-inside-work-tree it will simply echo | |
5002 | * the option else either "true" or "false" is printed. | |
5003 | * Default to true for the unknown case. */ | |
5004 | opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE; | |
5005 | ||
5006 | } else { | |
739e81de | 5007 | string_ncopy(opt_cdup, name, namelen); |
c38c64bb JF |
5008 | } |
5009 | ||
91c5d983 JF |
5010 | return OK; |
5011 | } | |
5012 | ||
810f0078 JF |
5013 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
5014 | * must be the last one! */ | |
91c5d983 JF |
5015 | static int |
5016 | load_repo_info(void) | |
5017 | { | |
c38c64bb | 5018 | return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
5019 | "=", read_repo_info); |
5020 | } | |
5021 | ||
5022 | static int | |
4a63c884 | 5023 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 5024 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 5025 | { |
4670cf89 JF |
5026 | char buffer[BUFSIZ]; |
5027 | char *name; | |
d0cea5f9 | 5028 | int state = OK; |
4670cf89 JF |
5029 | |
5030 | if (!pipe) | |
5031 | return ERR; | |
5032 | ||
d0cea5f9 | 5033 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
5034 | char *value; |
5035 | size_t namelen; | |
5036 | size_t valuelen; | |
4670cf89 | 5037 | |
4a63c884 JF |
5038 | name = chomp_string(name); |
5039 | namelen = strcspn(name, separators); | |
5040 | ||
5041 | if (name[namelen]) { | |
5042 | name[namelen] = 0; | |
5043 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 5044 | valuelen = strlen(value); |
4670cf89 | 5045 | |
d0cea5f9 | 5046 | } else { |
d0cea5f9 JF |
5047 | value = ""; |
5048 | valuelen = 0; | |
4670cf89 | 5049 | } |
d0cea5f9 | 5050 | |
3c3801c2 | 5051 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
5052 | } |
5053 | ||
d0cea5f9 JF |
5054 | if (state != ERR && ferror(pipe)) |
5055 | state = ERR; | |
4670cf89 JF |
5056 | |
5057 | pclose(pipe); | |
5058 | ||
d0cea5f9 | 5059 | return state; |
4670cf89 JF |
5060 | } |
5061 | ||
d0cea5f9 | 5062 | |
6b161b31 JF |
5063 | /* |
5064 | * Main | |
5065 | */ | |
5066 | ||
b5c9e67f | 5067 | static void __NORETURN |
6b161b31 JF |
5068 | quit(int sig) |
5069 | { | |
8855ada4 JF |
5070 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
5071 | if (cursed) | |
5072 | endwin(); | |
6b161b31 JF |
5073 | exit(0); |
5074 | } | |
5075 | ||
c6704a4e JF |
5076 | static void __NORETURN |
5077 | die(const char *err, ...) | |
6b161b31 JF |
5078 | { |
5079 | va_list args; | |
5080 | ||
5081 | endwin(); | |
5082 | ||
5083 | va_start(args, err); | |
5084 | fputs("tig: ", stderr); | |
5085 | vfprintf(stderr, err, args); | |
5086 | fputs("\n", stderr); | |
5087 | va_end(args); | |
5088 | ||
5089 | exit(1); | |
5090 | } | |
5091 | ||
77452abc JF |
5092 | static void |
5093 | warn(const char *msg, ...) | |
5094 | { | |
5095 | va_list args; | |
5096 | ||
5097 | va_start(args, msg); | |
5098 | fputs("tig warning: ", stderr); | |
5099 | vfprintf(stderr, msg, args); | |
5100 | fputs("\n", stderr); | |
5101 | va_end(args); | |
5102 | } | |
5103 | ||
6b161b31 JF |
5104 | int |
5105 | main(int argc, char *argv[]) | |
5106 | { | |
1ba2ae4b | 5107 | struct view *view; |
6b161b31 | 5108 | enum request request; |
1ba2ae4b | 5109 | size_t i; |
6b161b31 JF |
5110 | |
5111 | signal(SIGINT, quit); | |
5112 | ||
6b68fd24 | 5113 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
5114 | char *codeset = nl_langinfo(CODESET); |
5115 | ||
5116 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
5117 | } |
5118 | ||
e0f50df0 JF |
5119 | if (load_repo_info() == ERR) |
5120 | die("Failed to load repo info."); | |
5121 | ||
660e09ad JF |
5122 | if (load_options() == ERR) |
5123 | die("Failed to load user config."); | |
5124 | ||
5125 | /* Load the repo config file so options can be overwritten from | |
739e81de | 5126 | * the command line. */ |
14c778a6 | 5127 | if (load_repo_config() == ERR) |
afdc35b3 | 5128 | die("Failed to load repo config."); |
91c5d983 | 5129 | |
8855ada4 | 5130 | if (!parse_options(argc, argv)) |
6b161b31 JF |
5131 | return 0; |
5132 | ||
58a5e4ea JF |
5133 | /* Require a git repository unless when running in pager mode. */ |
5134 | if (!opt_git_dir[0]) | |
5135 | die("Not a git repository"); | |
5136 | ||
504fbeeb JF |
5137 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
5138 | opt_utf8 = FALSE; | |
5139 | ||
6b68fd24 JF |
5140 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
5141 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 5142 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
5143 | die("Failed to initialize character set conversion"); |
5144 | } | |
5145 | ||
c34d9c9f JF |
5146 | if (load_refs() == ERR) |
5147 | die("Failed to load refs."); | |
5148 | ||
1ba2ae4b JF |
5149 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
5150 | view->cmd_env = getenv(view->cmd_env); | |
5151 | ||
6b161b31 JF |
5152 | request = opt_request; |
5153 | ||
5154 | init_display(); | |
b801d8b2 JF |
5155 | |
5156 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 5157 | int key; |
b801d8b2 JF |
5158 | int i; |
5159 | ||
699ae55b | 5160 | foreach_view (view, i) |
6b161b31 | 5161 | update_view(view); |
b801d8b2 JF |
5162 | |
5163 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 5164 | key = wgetch(status_win); |
04e2b7b2 | 5165 | |
cf4d82e6 JF |
5166 | /* wgetch() with nodelay() enabled returns ERR when there's no |
5167 | * input. */ | |
5168 | if (key == ERR) { | |
5169 | request = REQ_NONE; | |
8b534a13 | 5170 | continue; |
cf4d82e6 | 5171 | } |
04e2b7b2 JF |
5172 | |
5173 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 5174 | |
6706b2ba | 5175 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
5176 | * status_win restricted. */ |
5177 | switch (request) { | |
5178 | case REQ_PROMPT: | |
9e21ce5c JF |
5179 | { |
5180 | char *cmd = read_prompt(":"); | |
5181 | ||
5182 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
5183 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
5184 | opt_request = REQ_VIEW_DIFF; | |
5185 | } else { | |
5186 | opt_request = REQ_VIEW_PAGER; | |
5187 | } | |
5188 | break; | |
5189 | } | |
fac7db6c | 5190 | |
1d754561 | 5191 | request = REQ_NONE; |
9e21ce5c JF |
5192 | break; |
5193 | } | |
4af34daa JF |
5194 | case REQ_SEARCH: |
5195 | case REQ_SEARCH_BACK: | |
5196 | { | |
5197 | const char *prompt = request == REQ_SEARCH | |
5198 | ? "/" : "?"; | |
5199 | char *search = read_prompt(prompt); | |
5200 | ||
5201 | if (search) | |
739e81de | 5202 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
5203 | else |
5204 | request = REQ_NONE; | |
5205 | break; | |
5206 | } | |
fac7db6c JF |
5207 | case REQ_SCREEN_RESIZE: |
5208 | { | |
5209 | int height, width; | |
5210 | ||
5211 | getmaxyx(stdscr, height, width); | |
5212 | ||
5213 | /* Resize the status view and let the view driver take | |
5214 | * care of resizing the displayed views. */ | |
5215 | wresize(status_win, 1, width); | |
5216 | mvwin(status_win, height - 1, 0); | |
5217 | wrefresh(status_win); | |
5218 | break; | |
5219 | } | |
5220 | default: | |
5221 | break; | |
03a93dbb | 5222 | } |
b801d8b2 JF |
5223 | } |
5224 | ||
5225 | quit(0); | |
5226 | ||
5227 | return 0; | |
5228 | } |