-/* Copyright (c) 2006 Jonas Fonseca <fonseca@diku.dk>
+/* Copyright (c) 2006-2007 Jonas Fonseca <fonseca@diku.dk>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* GNU General Public License for more details.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#ifndef TIG_VERSION
#define TIG_VERSION "unknown-version"
#endif
#include <curses.h>
-#include "config.h"
-
#if __GNUC__ >= 3
#define __NORETURN __attribute__((__noreturn__))
#else
#define COLOR_DEFAULT (-1)
#define ICONV_NONE ((iconv_t) -1)
+#ifndef ICONV_CONST
+#define ICONV_CONST /* nothing */
+#endif
/* The format and size of the date column in the main view. */
#define DATE_FORMAT "%Y-%m-%d %H:%M"
#define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3)
+#ifndef GIT_CONFIG
+#define GIT_CONFIG "git config"
+#endif
+
#define TIG_LS_REMOTE \
"git ls-remote $(git rev-parse --git-dir) 2>/dev/null"
#define TIG_HELP_CMD ""
#define TIG_PAGER_CMD ""
#define TIG_STATUS_CMD ""
+#define TIG_STAGE_CMD ""
/* Some ascii-shorthands fitted into the ncurses namespace. */
#define KEY_TAB '\t'
REQ_(VIEW_HELP, "Show help page"), \
REQ_(VIEW_PAGER, "Show pager view"), \
REQ_(VIEW_STATUS, "Show status view"), \
+ REQ_(VIEW_STAGE, "Show stage view"), \
\
REQ_GROUP("View manipulation") \
REQ_(ENTER, "Enter current line and scroll"), \
REQ_(NEXT, "Move to next"), \
REQ_(PREVIOUS, "Move to previous"), \
REQ_(VIEW_NEXT, "Move focus to next view"), \
+ REQ_(REFRESH, "Reload and refresh"), \
REQ_(VIEW_CLOSE, "Close the current view"), \
REQ_(QUIT, "Close all views and quit"), \
\
REQ_(TOGGLE_LINENO, "Toggle line numbers"), \
REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \
REQ_(STATUS_UPDATE, "Update file status"), \
- REQ_(EDIT, "Open in editor")
+ REQ_(STATUS_MERGE, "Merge file using external tool"), \
+ REQ_(EDIT, "Open in editor"), \
+ REQ_(CHERRY_PICK, "Cherry-pick commit to current branch")
/* User action requests. */
static char opt_search[SIZEOF_STR] = "";
static char opt_cdup[SIZEOF_STR] = "";
static char opt_git_dir[SIZEOF_STR] = "";
+static char opt_is_inside_work_tree = -1; /* set to TRUE or FALSE */
static char opt_editor[SIZEOF_STR] = "";
enum option_type {
LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
-LINE(STAT_SECTION, "", COLOR_DEFAULT, COLOR_BLUE, A_BOLD), \
+LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
-LINE(STAT_STAGED, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
-LINE(STAT_UNSTAGED,"", COLOR_YELLOW, COLOR_DEFAULT, 0), \
+LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
+LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0)
enum line_type {
{ 'p', REQ_VIEW_PAGER },
{ 'h', REQ_VIEW_HELP },
{ 'S', REQ_VIEW_STATUS },
+ { 'c', REQ_VIEW_STAGE },
/* View manipulation */
{ 'q', REQ_VIEW_CLOSE },
{ KEY_RETURN, REQ_ENTER },
{ KEY_UP, REQ_PREVIOUS },
{ KEY_DOWN, REQ_NEXT },
+ { 'R', REQ_REFRESH },
/* Cursor navigation */
{ 'k', REQ_MOVE_UP },
{ 'g', REQ_TOGGLE_REV_GRAPH },
{ ':', REQ_PROMPT },
{ 'u', REQ_STATUS_UPDATE },
+ { 'M', REQ_STATUS_MERGE },
{ 'e', REQ_EDIT },
+ { 'C', REQ_CHERRY_PICK },
/* Using the ncurses SIGWINCH handler. */
{ KEY_RESIZE, REQ_SCREEN_RESIZE },
KEYMAP_(BLOB), \
KEYMAP_(PAGER), \
KEYMAP_(HELP), \
- KEYMAP_(STATUS)
+ KEYMAP_(STATUS), \
+ KEYMAP_(STAGE)
enum keymap {
#define KEYMAP_(name) KEYMAP_##name
static struct view_ops blob_ops;
static struct view_ops help_ops;
static struct view_ops status_ops;
+static struct view_ops stage_ops;
#define VIEW_STR(name, cmd, env, ref, ops, map) \
{ name, cmd, #env, ref, ops, map}
VIEW_(HELP, "help", &help_ops, ""),
VIEW_(PAGER, "pager", &pager_ops, "stdin"),
VIEW_(STATUS, "status", &status_ops, ""),
+ VIEW_(STAGE, "stage", &stage_ops, ""),
};
#define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
line[linelen - 1] = 0;
if (opt_iconv != ICONV_NONE) {
- ICONV_INBUF_TYPE inbuf = line;
+ ICONV_CONST char *inbuf = line;
size_t inlen = linelen;
char *outbuf = out_buffer;
}
static void
-open_editor(struct view *view, char *file)
+open_external_viewer(const char *cmd)
+{
+ def_prog_mode(); /* save current tty modes */
+ endwin(); /* restore original tty modes */
+ system(cmd);
+ fprintf(stderr, "Press Enter to continue");
+ getc(stdin);
+ reset_prog_mode();
+ redraw_display();
+}
+
+static void
+open_mergetool(const char *file)
+{
+ char cmd[SIZEOF_STR];
+ char file_sq[SIZEOF_STR];
+
+ if (sq_quote(file_sq, 0, file) < sizeof(file_sq) &&
+ string_format(cmd, "git mergetool %s", file_sq)) {
+ open_external_viewer(cmd);
+ }
+}
+
+static void
+open_editor(bool from_root, const char *file)
{
char cmd[SIZEOF_STR];
char file_sq[SIZEOF_STR];
char *editor;
+ char *prefix = from_root ? opt_cdup : "";
editor = getenv("GIT_EDITOR");
if (!editor && *opt_editor)
editor = "vi";
if (sq_quote(file_sq, 0, file) < sizeof(file_sq) &&
- string_format(cmd, "%s %s", editor, file_sq)) {
- def_prog_mode(); /* save current tty modes */
- endwin(); /* restore original tty modes */
- system(cmd);
- reset_prog_mode();
- redraw_display();
+ string_format(cmd, "%s %s%s", editor, prefix, file_sq)) {
+ open_external_viewer(cmd);
}
}
{
int i;
+ if (request == REQ_NONE) {
+ doupdate();
+ return TRUE;
+ }
+
if (view && view->lines) {
request = view->ops->request(view, request, &view->line[view->lineno]);
if (request == REQ_NONE)
open_view(view, request, OPEN_DEFAULT);
break;
+ case REQ_VIEW_STAGE:
+ if (!VIEW(REQ_VIEW_STAGE)->lines) {
+ report("No stage content, press %s to open the status view and choose file",
+ get_key(REQ_VIEW_STATUS));
+ break;
+ }
+ open_view(view, request, OPEN_DEFAULT);
+ break;
+
+ case REQ_VIEW_STATUS:
+ if (opt_is_inside_work_tree == FALSE) {
+ report("The status view requires a working tree");
+ break;
+ }
+ open_view(view, request, OPEN_DEFAULT);
+ break;
+
case REQ_VIEW_MAIN:
case REQ_VIEW_DIFF:
case REQ_VIEW_LOG:
case REQ_VIEW_TREE:
case REQ_VIEW_HELP:
- case REQ_VIEW_STATUS:
open_view(view, request, OPEN_DEFAULT);
break;
if ((view == VIEW(REQ_VIEW_DIFF) &&
view->parent == VIEW(REQ_VIEW_MAIN)) ||
- (view == VIEW(REQ_VIEW_DIFF) &&
+ (view == VIEW(REQ_VIEW_STAGE) &&
view->parent == VIEW(REQ_VIEW_STATUS)) ||
(view == VIEW(REQ_VIEW_BLOB) &&
view->parent == VIEW(REQ_VIEW_TREE))) {
report("");
break;
}
+ case REQ_REFRESH:
+ report("Refreshing is not yet supported for the %s view", view->name);
+ break;
+
case REQ_TOGGLE_LINENO:
opt_line_number = !opt_line_number;
redraw_display();
report("Nothing to edit");
break;
+ case REQ_CHERRY_PICK:
+ report("Nothing to cherry-pick");
+ break;
+
case REQ_ENTER:
report("Nothing to enter");
break;
- case REQ_NONE:
- doupdate();
- return TRUE;
case REQ_VIEW_CLOSE:
/* XXX: Mark closed views by letting view->parent point to the
for (i = 0; i < ARRAY_SIZE(req_info); i++) {
char *key;
+ if (req_info[i].request == REQ_NONE)
+ continue;
+
if (!req_info[i].request) {
add_line_text(view, "", LINE_DEFAULT);
add_line_text(view, req_info[i].help, LINE_DEFAULT);
}
key = get_key(req_info[i].request);
+ if (!*key)
+ key = "(no key defined)";
+
if (!string_format(buf, " %-25s %s", key, req_info[i].help))
continue;
static bool
blob_read(struct view *view, char *line)
{
- return add_line_text(view, line, LINE_DEFAULT);
+ return add_line_text(view, line, LINE_DEFAULT) != NULL;
}
static struct view_ops blob_ops = {
char name[SIZEOF_STR];
};
+static struct status stage_status;
+static enum line_type stage_line_type;
+
/* Get fields from the diff line:
* :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
*/
status_run(struct view *view, const char cmd[], bool diff, enum line_type type)
{
struct status *file = NULL;
+ struct status *unmerged = NULL;
char buf[SIZEOF_STR * 4];
size_t bufsize = 0;
FILE *pipe;
if (!sep)
break;
sepsize = sep - buf + 1;
+
+ /* Collapse all 'M'odified entries that
+ * follow a associated 'U'nmerged entry.
+ */
+ if (file->status == 'U') {
+ unmerged = file;
+
+ } else if (unmerged) {
+ int collapse = !strcmp(buf, unmerged->name);
+
+ unmerged = NULL;
+ if (collapse) {
+ free(file);
+ view->lines--;
+ continue;
+ }
+ }
}
/* git-ls-files just delivers a NUL separated
return TRUE;
}
-#define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD"
+/* Don't show unmerged entries in the staged section. */
+#define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached HEAD"
#define STATUS_DIFF_FILES_CMD "git diff-files -z"
#define STATUS_LIST_OTHER_CMD \
"git ls-files -z --others --exclude-per-directory=.gitignore"
struct stat statbuf;
char exclude[SIZEOF_STR];
char cmd[SIZEOF_STR];
+ unsigned long prev_lineno = view->lineno;
size_t i;
for (i = 0; i < view->lines; i++)
free(view->line[i].data);
free(view->line);
- view->lines = view->line_size = 0;
+ view->lines = view->line_size = view->lineno = 0;
view->line = NULL;
if (!realloc_lines(view, view->line_size + 6))
!status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED))
return FALSE;
+ /* If all went well restore the previous line number to stay in
+ * the context. */
+ if (prev_lineno < view->lines)
+ view->lineno = prev_lineno;
+ else
+ view->lineno = view->lines - 1;
+
return TRUE;
}
die("w00t");
}
- open_view(view, REQ_VIEW_DIFF, OPEN_RELOAD | OPEN_SPLIT);
- if (view_is_displayed(VIEW(REQ_VIEW_DIFF))) {
- string_format(VIEW(REQ_VIEW_DIFF)->ref, info, status->name);
+ open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT);
+ if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
+ if (status) {
+ stage_status = *status;
+ } else {
+ memset(&stage_status, 0, sizeof(stage_status));
+ }
+
+ stage_line_type = line->type;
+ string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name);
}
return REQ_NONE;
} else if (!status_update_file(view, line->data, line->type)) {
report("Failed to update file status");
}
-
- open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
}
static enum request
status_update(view);
break;
+ case REQ_STATUS_MERGE:
+ open_mergetool(status->name);
+ break;
+
case REQ_EDIT:
if (!status)
return request;
- open_editor(view, status->name);
+ open_editor(status->status != '?', status->name);
break;
case REQ_ENTER:
+ /* After returning the status view has been split to
+ * show the stage view. No further reloading is
+ * necessary. */
status_enter(view, line);
+ return REQ_NONE;
+
+ case REQ_REFRESH:
+ /* Simply reload the view. */
break;
default:
return request;
}
+ open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
+
return REQ_NONE;
}
struct status *status = line->data;
char file[SIZEOF_STR] = "all files";
char *text;
+ char *key;
if (status && !string_format(file, "'%s'", status->name))
return;
die("w00t");
}
- string_format(view->ref, text, get_key(REQ_STATUS_UPDATE), file);
+ if (status && status->status == 'U') {
+ text = "Press %s to resolve conflict in %s";
+ key = get_key(REQ_STATUS_MERGE);
+
+ } else {
+ key = get_key(REQ_STATUS_UPDATE);
+ }
+
+ string_format(view->ref, text, key, file);
}
static bool
};
+static bool
+stage_diff_line(FILE *pipe, struct line *line)
+{
+ char *buf = line->data;
+ size_t bufsize = strlen(buf);
+ size_t written = 0;
+
+ while (!ferror(pipe) && written < bufsize) {
+ written += fwrite(buf + written, 1, bufsize - written, pipe);
+ }
+
+ fputc('\n', pipe);
+
+ return written == bufsize;
+}
+
+static struct line *
+stage_diff_hdr(struct view *view, struct line *line)
+{
+ int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1;
+ struct line *diff_hdr;
+
+ if (line->type == LINE_DIFF_CHUNK)
+ diff_hdr = line - 1;
+ else
+ diff_hdr = view->line + 1;
+
+ while (diff_hdr > view->line && diff_hdr < view->line + view->lines) {
+ if (diff_hdr->type == LINE_DIFF_HEADER)
+ return diff_hdr;
+
+ diff_hdr += diff_hdr_dir;
+ }
+
+ return NULL;
+}
+
+static bool
+stage_update_chunk(struct view *view, struct line *line)
+{
+ char cmd[SIZEOF_STR];
+ size_t cmdsize = 0;
+ struct line *diff_hdr, *diff_chunk, *diff_end;
+ FILE *pipe;
+
+ diff_hdr = stage_diff_hdr(view, line);
+ if (!diff_hdr)
+ return FALSE;
+
+ if (opt_cdup[0] &&
+ !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup))
+ return FALSE;
+
+ if (!string_format_from(cmd, &cmdsize,
+ "git apply --cached %s - && "
+ "git update-index -q --unmerged --refresh 2>/dev/null",
+ stage_line_type == LINE_STAT_STAGED ? "-R" : ""))
+ return FALSE;
+
+ pipe = popen(cmd, "w");
+ if (!pipe)
+ return FALSE;
+
+ diff_end = view->line + view->lines;
+ if (line->type != LINE_DIFF_CHUNK) {
+ diff_chunk = diff_hdr;
+
+ } else {
+ for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++)
+ if (diff_chunk->type == LINE_DIFF_CHUNK ||
+ diff_chunk->type == LINE_DIFF_HEADER)
+ diff_end = diff_chunk;
+
+ diff_chunk = line;
+
+ while (diff_hdr->type != LINE_DIFF_CHUNK) {
+ switch (diff_hdr->type) {
+ case LINE_DIFF_HEADER:
+ case LINE_DIFF_INDEX:
+ case LINE_DIFF_ADD:
+ case LINE_DIFF_DEL:
+ break;
+
+ default:
+ diff_hdr++;
+ continue;
+ }
+
+ if (!stage_diff_line(pipe, diff_hdr++)) {
+ pclose(pipe);
+ return FALSE;
+ }
+ }
+ }
+
+ while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk))
+ diff_chunk++;
+
+ pclose(pipe);
+
+ if (diff_chunk != diff_end)
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+stage_update(struct view *view, struct line *line)
+{
+ if (stage_line_type != LINE_STAT_UNTRACKED &&
+ (line->type == LINE_DIFF_CHUNK || !stage_status.status)) {
+ if (!stage_update_chunk(view, line)) {
+ report("Failed to apply chunk");
+ return;
+ }
+
+ } else if (!status_update_file(view, &stage_status, stage_line_type)) {
+ report("Failed to update file");
+ return;
+ }
+
+ open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
+
+ view = VIEW(REQ_VIEW_STATUS);
+ if (view_is_displayed(view))
+ status_enter(view, &view->line[view->lineno]);
+}
+
+static enum request
+stage_request(struct view *view, enum request request, struct line *line)
+{
+ switch (request) {
+ case REQ_STATUS_UPDATE:
+ stage_update(view, line);
+ break;
+
+ case REQ_EDIT:
+ if (!stage_status.name[0])
+ return request;
+
+ open_editor(stage_status.status != '?', stage_status.name);
+ break;
+
+ case REQ_ENTER:
+ pager_request(view, request, line);
+ break;
+
+ default:
+ return request;
+ }
+
+ return REQ_NONE;
+}
+
+static struct view_ops stage_ops = {
+ "line",
+ NULL,
+ pager_read,
+ pager_draw,
+ stage_request,
+ pager_grep,
+ pager_select,
+};
+
+
/*
* Revision graph
*/
return TRUE;
}
+static void
+cherry_pick_commit(struct commit *commit)
+{
+ char cmd[SIZEOF_STR];
+ char *cherry_pick = getenv("TIG_CHERRY_PICK");
+
+ if (!cherry_pick)
+ cherry_pick = "git cherry-pick";
+
+ if (string_format(cmd, "%s %s", cherry_pick, commit->id)) {
+ open_external_viewer(cmd);
+ }
+}
+
static enum request
main_request(struct view *view, enum request request, struct line *line)
{
if (request == REQ_ENTER)
open_view(view, REQ_VIEW_DIFF, flags);
+ else if (request == REQ_CHERRY_PICK)
+ cherry_pick_commit(line->data);
else
return request;
if (input_mode)
return;
+ if (!view) {
+ char buf[SIZEOF_STR];
+ va_list args;
+
+ va_start(args, msg);
+ if (vsnprintf(buf, sizeof(buf), msg, args) >= sizeof(buf)) {
+ buf[sizeof(buf) - 1] = 0;
+ buf[sizeof(buf) - 2] = '.';
+ buf[sizeof(buf) - 3] = '.';
+ buf[sizeof(buf) - 4] = '.';
+ }
+ va_end(args);
+ die("%s", buf);
+ }
+
if (!status_empty || *msg) {
va_list args;
static int
load_repo_config(void)
{
- return read_properties(popen("git repo-config --list", "r"),
+ return read_properties(popen(GIT_CONFIG " --list", "r"),
"=", read_repo_config_option);
}
static int
read_repo_info(char *name, size_t namelen, char *value, size_t valuelen)
{
- if (!opt_git_dir[0])
+ if (!opt_git_dir[0]) {
string_ncopy(opt_git_dir, name, namelen);
- else
+
+ } else if (opt_is_inside_work_tree == -1) {
+ /* This can be 3 different values depending on the
+ * version of git being used. If git-rev-parse does not
+ * understand --is-inside-work-tree it will simply echo
+ * the option else either "true" or "false" is printed.
+ * Default to true for the unknown case. */
+ opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE;
+
+ } else {
string_ncopy(opt_cdup, name, namelen);
+ }
+
return OK;
}
static int
load_repo_info(void)
{
- return read_properties(popen("git rev-parse --git-dir --show-cdup 2>/dev/null", "r"),
+ return read_properties(popen("git rev-parse --git-dir --is-inside-work-tree --show-cdup 2>/dev/null", "r"),
"=", read_repo_info);
}
if (load_repo_info() == ERR)
die("Failed to load repo info.");
- /* Require a git repository unless when running in pager mode. */
- if (!opt_git_dir[0])
- die("Not a git repository");
-
if (load_options() == ERR)
die("Failed to load user config.");
if (!parse_options(argc, argv))
return 0;
+ /* Require a git repository unless when running in pager mode. */
+ if (!opt_git_dir[0])
+ die("Not a git repository");
+
if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) {
opt_iconv = iconv_open(opt_codeset, opt_encoding);
if (opt_iconv == ICONV_NONE)