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Commit | Line | Data |
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f5bbc322 KH |
1 | /* |
2 | * Builtin "git commit" | |
3 | * | |
4 | * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com> | |
5 | * Based on git-commit.sh by Junio C Hamano and Linus Torvalds | |
6 | */ | |
7 | ||
8 | #include "cache.h" | |
9 | #include "cache-tree.h" | |
6b2f2d98 | 10 | #include "color.h" |
2888605c | 11 | #include "dir.h" |
f5bbc322 KH |
12 | #include "builtin.h" |
13 | #include "diff.h" | |
14 | #include "diffcore.h" | |
15 | #include "commit.h" | |
16 | #include "revision.h" | |
17 | #include "wt-status.h" | |
18 | #include "run-command.h" | |
19 | #include "refs.h" | |
20 | #include "log-tree.h" | |
21 | #include "strbuf.h" | |
22 | #include "utf8.h" | |
23 | #include "parse-options.h" | |
c455c87c | 24 | #include "string-list.h" |
5b2fd956 | 25 | #include "rerere.h" |
fa9dcf80 | 26 | #include "unpack-trees.h" |
f5bbc322 KH |
27 | |
28 | static const char * const builtin_commit_usage[] = { | |
1b1dd23f | 29 | "git commit [options] [--] <filepattern>...", |
f5bbc322 KH |
30 | NULL |
31 | }; | |
32 | ||
2f02b25f | 33 | static const char * const builtin_status_usage[] = { |
1b1dd23f | 34 | "git status [options] [--] <filepattern>...", |
2f02b25f SB |
35 | NULL |
36 | }; | |
37 | ||
f5bbc322 KH |
38 | static unsigned char head_sha1[20], merge_head_sha1[20]; |
39 | static char *use_message_buffer; | |
40 | static const char commit_editmsg[] = "COMMIT_EDITMSG"; | |
2888605c JH |
41 | static struct lock_file index_lock; /* real index */ |
42 | static struct lock_file false_lock; /* used only for partial commits */ | |
43 | static enum { | |
44 | COMMIT_AS_IS = 1, | |
45 | COMMIT_NORMAL, | |
46 | COMMIT_PARTIAL, | |
47 | } commit_style; | |
f5bbc322 | 48 | |
dbd0f5c7 | 49 | static const char *logfile, *force_author; |
984c6e7e | 50 | static const char *template_file; |
f5bbc322 | 51 | static char *edit_message, *use_message; |
e83dbe80 | 52 | static char *author_name, *author_email, *author_date; |
f5bbc322 | 53 | static int all, edit_flag, also, interactive, only, amend, signoff; |
3a5d13a3 | 54 | static int quiet, verbose, no_verify, allow_empty, dry_run; |
4bfee30a | 55 | static char *untracked_files_arg; |
5f065737 AR |
56 | /* |
57 | * The default commit message cleanup mode will remove the lines | |
58 | * beginning with # (shell comments) and leading and trailing | |
59 | * whitespaces (empty lines or containing only whitespaces) | |
60 | * if editor is used, and only the whitespaces if the message | |
61 | * is specified explicitly. | |
62 | */ | |
63 | static enum { | |
64 | CLEANUP_SPACE, | |
65 | CLEANUP_NONE, | |
66 | CLEANUP_ALL, | |
67 | } cleanup_mode; | |
68 | static char *cleanup_arg; | |
f5bbc322 | 69 | |
4803466f | 70 | static int use_editor = 1, initial_commit, in_merge; |
3b6aeb3c JS |
71 | static const char *only_include_assumed; |
72 | static struct strbuf message; | |
f9568530 JS |
73 | |
74 | static int opt_parse_m(const struct option *opt, const char *arg, int unset) | |
75 | { | |
76 | struct strbuf *buf = opt->value; | |
77 | if (unset) | |
78 | strbuf_setlen(buf, 0); | |
79 | else { | |
80 | strbuf_addstr(buf, arg); | |
3b6aeb3c | 81 | strbuf_addstr(buf, "\n\n"); |
f9568530 JS |
82 | } |
83 | return 0; | |
84 | } | |
f5bbc322 KH |
85 | |
86 | static struct option builtin_commit_options[] = { | |
87 | OPT__QUIET(&quiet), | |
88 | OPT__VERBOSE(&verbose), | |
89 | OPT_GROUP("Commit message options"), | |
90 | ||
df217ed6 | 91 | OPT_FILENAME('F', "file", &logfile, "read log from file"), |
f5bbc322 | 92 | OPT_STRING(0, "author", &force_author, "AUTHOR", "override author for commit"), |
f9568530 | 93 | OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m), |
f5bbc322 KH |
94 | OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit "), |
95 | OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"), | |
362b0dd5 | 96 | OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), |
df217ed6 | 97 | OPT_FILENAME('t', "template", &template_file, "use specified template file"), |
f5bbc322 KH |
98 | OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"), |
99 | ||
100 | OPT_GROUP("Commit contents options"), | |
101 | OPT_BOOLEAN('a', "all", &all, "commit all changed files"), | |
102 | OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"), | |
103 | OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"), | |
d4ba07ca | 104 | OPT_BOOLEAN('o', "only", &only, "commit only specified files"), |
f5bbc322 | 105 | OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"), |
3a5d13a3 | 106 | OPT_BOOLEAN(0, "dry-run", &dry_run, "show what would be committed"), |
f5bbc322 | 107 | OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"), |
6c2ce048 | 108 | { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, |
5241b6bf | 109 | OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"), |
5f065737 | 110 | OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), |
f5bbc322 KH |
111 | |
112 | OPT_END() | |
113 | }; | |
114 | ||
2888605c JH |
115 | static void rollback_index_files(void) |
116 | { | |
117 | switch (commit_style) { | |
118 | case COMMIT_AS_IS: | |
119 | break; /* nothing to do */ | |
120 | case COMMIT_NORMAL: | |
121 | rollback_lock_file(&index_lock); | |
122 | break; | |
123 | case COMMIT_PARTIAL: | |
124 | rollback_lock_file(&index_lock); | |
125 | rollback_lock_file(&false_lock); | |
126 | break; | |
127 | } | |
128 | } | |
129 | ||
5a9dd399 | 130 | static int commit_index_files(void) |
2888605c | 131 | { |
5a9dd399 BC |
132 | int err = 0; |
133 | ||
2888605c JH |
134 | switch (commit_style) { |
135 | case COMMIT_AS_IS: | |
136 | break; /* nothing to do */ | |
137 | case COMMIT_NORMAL: | |
5a9dd399 | 138 | err = commit_lock_file(&index_lock); |
2888605c JH |
139 | break; |
140 | case COMMIT_PARTIAL: | |
5a9dd399 | 141 | err = commit_lock_file(&index_lock); |
2888605c JH |
142 | rollback_lock_file(&false_lock); |
143 | break; | |
144 | } | |
5a9dd399 BC |
145 | |
146 | return err; | |
2888605c JH |
147 | } |
148 | ||
149 | /* | |
150 | * Take a union of paths in the index and the named tree (typically, "HEAD"), | |
151 | * and return the paths that match the given pattern in list. | |
152 | */ | |
c455c87c | 153 | static int list_paths(struct string_list *list, const char *with_tree, |
2888605c JH |
154 | const char *prefix, const char **pattern) |
155 | { | |
156 | int i; | |
157 | char *m; | |
158 | ||
159 | for (i = 0; pattern[i]; i++) | |
160 | ; | |
161 | m = xcalloc(1, i); | |
162 | ||
163 | if (with_tree) | |
164 | overlay_tree_on_cache(with_tree, prefix); | |
165 | ||
166 | for (i = 0; i < active_nr; i++) { | |
167 | struct cache_entry *ce = active_cache[i]; | |
7a51ed66 | 168 | if (ce->ce_flags & CE_UPDATE) |
e87e22d0 | 169 | continue; |
0b50922a | 170 | if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m)) |
2888605c | 171 | continue; |
c455c87c | 172 | string_list_insert(ce->name, list); |
2888605c JH |
173 | } |
174 | ||
175 | return report_path_error(m, pattern, prefix ? strlen(prefix) : 0); | |
176 | } | |
177 | ||
c455c87c | 178 | static void add_remove_files(struct string_list *list) |
2888605c JH |
179 | { |
180 | int i; | |
181 | for (i = 0; i < list->nr; i++) { | |
d177cab0 | 182 | struct stat st; |
c455c87c | 183 | struct string_list_item *p = &(list->items[i]); |
d177cab0 | 184 | |
c455c87c JS |
185 | if (!lstat(p->string, &st)) { |
186 | if (add_to_cache(p->string, &st, 0)) | |
960b8ad1 AR |
187 | die("updating files failed"); |
188 | } else | |
c455c87c | 189 | remove_file_from_cache(p->string); |
2888605c JH |
190 | } |
191 | } | |
192 | ||
fa9dcf80 LT |
193 | static void create_base_index(void) |
194 | { | |
195 | struct tree *tree; | |
196 | struct unpack_trees_options opts; | |
197 | struct tree_desc t; | |
198 | ||
199 | if (initial_commit) { | |
200 | discard_cache(); | |
201 | return; | |
202 | } | |
203 | ||
204 | memset(&opts, 0, sizeof(opts)); | |
205 | opts.head_idx = 1; | |
206 | opts.index_only = 1; | |
207 | opts.merge = 1; | |
34110cd4 LT |
208 | opts.src_index = &the_index; |
209 | opts.dst_index = &the_index; | |
fa9dcf80 LT |
210 | |
211 | opts.fn = oneway_merge; | |
212 | tree = parse_tree_indirect(head_sha1); | |
213 | if (!tree) | |
214 | die("failed to unpack HEAD tree object"); | |
215 | parse_tree(tree); | |
216 | init_tree_desc(&t, tree->buffer, tree->size); | |
203a2fe1 DB |
217 | if (unpack_trees(1, &t, &opts)) |
218 | exit(128); /* We've already reported the error, finish dying */ | |
fa9dcf80 LT |
219 | } |
220 | ||
50b7e70f | 221 | static char *prepare_index(int argc, const char **argv, const char *prefix, int is_status) |
f5bbc322 KH |
222 | { |
223 | int fd; | |
c455c87c | 224 | struct string_list partial; |
2888605c | 225 | const char **pathspec = NULL; |
50b7e70f | 226 | int refresh_flags = REFRESH_QUIET; |
f5bbc322 | 227 | |
50b7e70f JH |
228 | if (is_status) |
229 | refresh_flags |= REFRESH_UNMERGED; | |
f5bbc322 | 230 | if (interactive) { |
4f6a32f8 JK |
231 | if (interactive_add(argc, argv, prefix) != 0) |
232 | die("interactive add failed"); | |
671c9b7e | 233 | if (read_cache_preload(NULL) < 0) |
d5350fd2 | 234 | die("index file corrupt"); |
2888605c | 235 | commit_style = COMMIT_AS_IS; |
f5bbc322 KH |
236 | return get_index_file(); |
237 | } | |
238 | ||
f64fe7b4 JH |
239 | if (*argv) |
240 | pathspec = get_pathspec(prefix, argv); | |
2888605c | 241 | |
671c9b7e LT |
242 | if (read_cache_preload(pathspec) < 0) |
243 | die("index file corrupt"); | |
244 | ||
2888605c JH |
245 | /* |
246 | * Non partial, non as-is commit. | |
247 | * | |
248 | * (1) get the real index; | |
249 | * (2) update the_index as necessary; | |
250 | * (3) write the_index out to the real index (still locked); | |
251 | * (4) return the name of the locked index file. | |
252 | * | |
253 | * The caller should run hooks on the locked real index, and | |
254 | * (A) if all goes well, commit the real index; | |
255 | * (B) on failure, rollback the real index. | |
256 | */ | |
257 | if (all || (also && pathspec && *pathspec)) { | |
258 | int fd = hold_locked_index(&index_lock, 1); | |
7ae02a30 | 259 | add_files_to_cache(also ? prefix : NULL, pathspec, 0); |
50b7e70f | 260 | refresh_cache(refresh_flags); |
4ed7cd3a BC |
261 | if (write_cache(fd, active_cache, active_nr) || |
262 | close_lock_file(&index_lock)) | |
f5bbc322 | 263 | die("unable to write new_index file"); |
2888605c JH |
264 | commit_style = COMMIT_NORMAL; |
265 | return index_lock.filename; | |
f5bbc322 KH |
266 | } |
267 | ||
2888605c JH |
268 | /* |
269 | * As-is commit. | |
270 | * | |
271 | * (1) return the name of the real index file. | |
272 | * | |
273 | * The caller should run hooks on the real index, and run | |
274 | * hooks on the real index, and create commit from the_index. | |
275 | * We still need to refresh the index here. | |
276 | */ | |
277 | if (!pathspec || !*pathspec) { | |
278 | fd = hold_locked_index(&index_lock, 1); | |
50b7e70f | 279 | refresh_cache(refresh_flags); |
2888605c | 280 | if (write_cache(fd, active_cache, active_nr) || |
4439751d | 281 | commit_locked_index(&index_lock)) |
2888605c JH |
282 | die("unable to write new_index file"); |
283 | commit_style = COMMIT_AS_IS; | |
f5bbc322 KH |
284 | return get_index_file(); |
285 | } | |
286 | ||
2888605c JH |
287 | /* |
288 | * A partial commit. | |
289 | * | |
290 | * (0) find the set of affected paths; | |
291 | * (1) get lock on the real index file; | |
292 | * (2) update the_index with the given paths; | |
293 | * (3) write the_index out to the real index (still locked); | |
294 | * (4) get lock on the false index file; | |
295 | * (5) reset the_index from HEAD; | |
296 | * (6) update the_index the same way as (2); | |
297 | * (7) write the_index out to the false index file; | |
298 | * (8) return the name of the false index file (still locked); | |
299 | * | |
300 | * The caller should run hooks on the locked false index, and | |
301 | * create commit from it. Then | |
302 | * (A) if all goes well, commit the real index; | |
303 | * (B) on failure, rollback the real index; | |
304 | * In either case, rollback the false index. | |
305 | */ | |
306 | commit_style = COMMIT_PARTIAL; | |
307 | ||
308 | if (file_exists(git_path("MERGE_HEAD"))) | |
309 | die("cannot do a partial commit during a merge."); | |
310 | ||
311 | memset(&partial, 0, sizeof(partial)); | |
c455c87c | 312 | partial.strdup_strings = 1; |
2888605c JH |
313 | if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec)) |
314 | exit(1); | |
315 | ||
316 | discard_cache(); | |
317 | if (read_cache() < 0) | |
318 | die("cannot read the index"); | |
319 | ||
320 | fd = hold_locked_index(&index_lock, 1); | |
321 | add_remove_files(&partial); | |
ef12b50d | 322 | refresh_cache(REFRESH_QUIET); |
4ed7cd3a BC |
323 | if (write_cache(fd, active_cache, active_nr) || |
324 | close_lock_file(&index_lock)) | |
f5bbc322 KH |
325 | die("unable to write new_index file"); |
326 | ||
2888605c | 327 | fd = hold_lock_file_for_update(&false_lock, |
a157400c JH |
328 | git_path("next-index-%"PRIuMAX, |
329 | (uintmax_t) getpid()), | |
acd3b9ec | 330 | LOCK_DIE_ON_ERROR); |
fa9dcf80 LT |
331 | |
332 | create_base_index(); | |
2888605c | 333 | add_remove_files(&partial); |
d37d3203 | 334 | refresh_cache(REFRESH_QUIET); |
f5bbc322 | 335 | |
4ed7cd3a BC |
336 | if (write_cache(fd, active_cache, active_nr) || |
337 | close_lock_file(&false_lock)) | |
2888605c | 338 | die("unable to write temporary index file"); |
959ba670 JK |
339 | |
340 | discard_cache(); | |
341 | read_cache_from(false_lock.filename); | |
342 | ||
2888605c | 343 | return false_lock.filename; |
f5bbc322 KH |
344 | } |
345 | ||
d249b098 JH |
346 | static int run_status(FILE *fp, const char *index_file, const char *prefix, int nowarn, |
347 | struct wt_status *s) | |
f5bbc322 | 348 | { |
d249b098 JH |
349 | if (s->relative_paths) |
350 | s->prefix = prefix; | |
f5bbc322 KH |
351 | |
352 | if (amend) { | |
d249b098 JH |
353 | s->amend = 1; |
354 | s->reference = "HEAD^1"; | |
f5bbc322 | 355 | } |
d249b098 JH |
356 | s->verbose = verbose; |
357 | s->index_file = index_file; | |
358 | s->fp = fp; | |
359 | s->nowarn = nowarn; | |
f5bbc322 | 360 | |
d249b098 | 361 | wt_status_print(s); |
f5bbc322 | 362 | |
d249b098 | 363 | return s->commitable; |
f5bbc322 KH |
364 | } |
365 | ||
ec84bd00 PB |
366 | static int is_a_merge(const unsigned char *sha1) |
367 | { | |
368 | struct commit *commit = lookup_commit(sha1); | |
369 | if (!commit || parse_commit(commit)) | |
370 | die("could not parse HEAD commit"); | |
371 | return !!(commit->parents && commit->parents->next); | |
372 | } | |
373 | ||
f5bbc322 KH |
374 | static const char sign_off_header[] = "Signed-off-by: "; |
375 | ||
e83dbe80 | 376 | static void determine_author_info(void) |
a45d46ba SB |
377 | { |
378 | char *name, *email, *date; | |
379 | ||
380 | name = getenv("GIT_AUTHOR_NAME"); | |
381 | email = getenv("GIT_AUTHOR_EMAIL"); | |
382 | date = getenv("GIT_AUTHOR_DATE"); | |
383 | ||
384 | if (use_message) { | |
385 | const char *a, *lb, *rb, *eol; | |
386 | ||
387 | a = strstr(use_message_buffer, "\nauthor "); | |
388 | if (!a) | |
389 | die("invalid commit: %s", use_message); | |
390 | ||
391 | lb = strstr(a + 8, " <"); | |
392 | rb = strstr(a + 8, "> "); | |
393 | eol = strchr(a + 8, '\n'); | |
394 | if (!lb || !rb || !eol) | |
395 | die("invalid commit: %s", use_message); | |
396 | ||
397 | name = xstrndup(a + 8, lb - (a + 8)); | |
398 | email = xstrndup(lb + 2, rb - (lb + 2)); | |
399 | date = xstrndup(rb + 2, eol - (rb + 2)); | |
400 | } | |
401 | ||
402 | if (force_author) { | |
403 | const char *lb = strstr(force_author, " <"); | |
404 | const char *rb = strchr(force_author, '>'); | |
405 | ||
406 | if (!lb || !rb) | |
407 | die("malformed --author parameter"); | |
408 | name = xstrndup(force_author, lb - force_author); | |
409 | email = xstrndup(lb + 2, rb - (lb + 2)); | |
410 | } | |
411 | ||
e83dbe80 SB |
412 | author_name = name; |
413 | author_email = email; | |
414 | author_date = date; | |
a45d46ba SB |
415 | } |
416 | ||
c1e01b0c DB |
417 | static int ends_rfc2822_footer(struct strbuf *sb) |
418 | { | |
419 | int ch; | |
420 | int hit = 0; | |
421 | int i, j, k; | |
422 | int len = sb->len; | |
423 | int first = 1; | |
424 | const char *buf = sb->buf; | |
425 | ||
426 | for (i = len - 1; i > 0; i--) { | |
427 | if (hit && buf[i] == '\n') | |
428 | break; | |
429 | hit = (buf[i] == '\n'); | |
430 | } | |
431 | ||
432 | while (i < len - 1 && buf[i] == '\n') | |
433 | i++; | |
434 | ||
435 | for (; i < len; i = k) { | |
436 | for (k = i; k < len && buf[k] != '\n'; k++) | |
437 | ; /* do nothing */ | |
438 | k++; | |
439 | ||
440 | if ((buf[k] == ' ' || buf[k] == '\t') && !first) | |
441 | continue; | |
442 | ||
443 | first = 0; | |
444 | ||
445 | for (j = 0; i + j < len; j++) { | |
446 | ch = buf[i + j]; | |
447 | if (ch == ':') | |
448 | break; | |
449 | if (isalnum(ch) || | |
450 | (ch == '-')) | |
451 | continue; | |
452 | return 0; | |
453 | } | |
454 | } | |
455 | return 1; | |
456 | } | |
457 | ||
d249b098 JH |
458 | static int prepare_to_commit(const char *index_file, const char *prefix, |
459 | struct wt_status *s) | |
f5bbc322 KH |
460 | { |
461 | struct stat statbuf; | |
bc5d248a | 462 | int commitable, saved_color_setting; |
f285a2d7 | 463 | struct strbuf sb = STRBUF_INIT; |
f5bbc322 KH |
464 | char *buffer; |
465 | FILE *fp; | |
8089c85b PB |
466 | const char *hook_arg1 = NULL; |
467 | const char *hook_arg2 = NULL; | |
bb1ae3f6 | 468 | int ident_shown = 0; |
f5bbc322 | 469 | |
ec84bd00 PB |
470 | if (!no_verify && run_hook(index_file, "pre-commit", NULL)) |
471 | return 0; | |
f5bbc322 | 472 | |
f9568530 JS |
473 | if (message.len) { |
474 | strbuf_addbuf(&sb, &message); | |
8089c85b | 475 | hook_arg1 = "message"; |
f5bbc322 KH |
476 | } else if (logfile && !strcmp(logfile, "-")) { |
477 | if (isatty(0)) | |
478 | fprintf(stderr, "(reading log message from standard input)\n"); | |
479 | if (strbuf_read(&sb, 0, 0) < 0) | |
0721c314 | 480 | die_errno("could not read log from standard input"); |
8089c85b | 481 | hook_arg1 = "message"; |
f5bbc322 KH |
482 | } else if (logfile) { |
483 | if (strbuf_read_file(&sb, logfile, 0) < 0) | |
d824cbba TR |
484 | die_errno("could not read log file '%s'", |
485 | logfile); | |
8089c85b | 486 | hook_arg1 = "message"; |
f5bbc322 KH |
487 | } else if (use_message) { |
488 | buffer = strstr(use_message_buffer, "\n\n"); | |
489 | if (!buffer || buffer[2] == '\0') | |
490 | die("commit has empty message"); | |
491 | strbuf_add(&sb, buffer + 2, strlen(buffer + 2)); | |
8089c85b PB |
492 | hook_arg1 = "commit"; |
493 | hook_arg2 = use_message; | |
f5bbc322 KH |
494 | } else if (!stat(git_path("MERGE_MSG"), &statbuf)) { |
495 | if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0) | |
d824cbba | 496 | die_errno("could not read MERGE_MSG"); |
8089c85b | 497 | hook_arg1 = "merge"; |
f5bbc322 KH |
498 | } else if (!stat(git_path("SQUASH_MSG"), &statbuf)) { |
499 | if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0) | |
d824cbba | 500 | die_errno("could not read SQUASH_MSG"); |
8089c85b | 501 | hook_arg1 = "squash"; |
f5bbc322 KH |
502 | } else if (template_file && !stat(template_file, &statbuf)) { |
503 | if (strbuf_read_file(&sb, template_file, 0) < 0) | |
d824cbba | 504 | die_errno("could not read '%s'", template_file); |
8089c85b | 505 | hook_arg1 = "template"; |
f5bbc322 KH |
506 | } |
507 | ||
8089c85b PB |
508 | /* |
509 | * This final case does not modify the template message, | |
510 | * it just sets the argument to the prepare-commit-msg hook. | |
511 | */ | |
512 | else if (in_merge) | |
513 | hook_arg1 = "merge"; | |
514 | ||
f5bbc322 KH |
515 | fp = fopen(git_path(commit_editmsg), "w"); |
516 | if (fp == NULL) | |
d824cbba | 517 | die_errno("could not open '%s'", git_path(commit_editmsg)); |
f5bbc322 | 518 | |
5f065737 AR |
519 | if (cleanup_mode != CLEANUP_NONE) |
520 | stripspace(&sb, 0); | |
f5bbc322 KH |
521 | |
522 | if (signoff) { | |
f285a2d7 | 523 | struct strbuf sob = STRBUF_INIT; |
13208572 JS |
524 | int i; |
525 | ||
13208572 | 526 | strbuf_addstr(&sob, sign_off_header); |
d9ccfe77 JH |
527 | strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"), |
528 | getenv("GIT_COMMITTER_EMAIL"))); | |
13208572 | 529 | strbuf_addch(&sob, '\n'); |
13208572 JS |
530 | for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--) |
531 | ; /* do nothing */ | |
2150554b | 532 | if (prefixcmp(sb.buf + i, sob.buf)) { |
c1e01b0c | 533 | if (!ends_rfc2822_footer(&sb)) |
2150554b | 534 | strbuf_addch(&sb, '\n'); |
13208572 | 535 | strbuf_addbuf(&sb, &sob); |
2150554b | 536 | } |
13208572 | 537 | strbuf_release(&sob); |
f5bbc322 KH |
538 | } |
539 | ||
13208572 | 540 | if (fwrite(sb.buf, 1, sb.len, fp) < sb.len) |
d824cbba | 541 | die_errno("could not write commit template"); |
13208572 | 542 | |
f5bbc322 KH |
543 | strbuf_release(&sb); |
544 | ||
e83dbe80 SB |
545 | determine_author_info(); |
546 | ||
bb1ae3f6 SB |
547 | /* This checks if committer ident is explicitly given */ |
548 | git_committer_info(0); | |
ec84bd00 | 549 | if (use_editor) { |
e83dbe80 SB |
550 | char *author_ident; |
551 | const char *committer_ident; | |
552 | ||
ec84bd00 PB |
553 | if (in_merge) |
554 | fprintf(fp, | |
555 | "#\n" | |
556 | "# It looks like you may be committing a MERGE.\n" | |
557 | "# If this is not correct, please remove the file\n" | |
558 | "# %s\n" | |
559 | "# and try again.\n" | |
560 | "#\n", | |
561 | git_path("MERGE_HEAD")); | |
562 | ||
563 | fprintf(fp, | |
564 | "\n" | |
fdc7c811 | 565 | "# Please enter the commit message for your changes."); |
ec84bd00 | 566 | if (cleanup_mode == CLEANUP_ALL) |
fdc7c811 JK |
567 | fprintf(fp, |
568 | " Lines starting\n" | |
569 | "# with '#' will be ignored, and an empty" | |
570 | " message aborts the commit.\n"); | |
ec84bd00 | 571 | else /* CLEANUP_SPACE, that is. */ |
fdc7c811 JK |
572 | fprintf(fp, |
573 | " Lines starting\n" | |
574 | "# with '#' will be kept; you may remove them" | |
575 | " yourself if you want to.\n" | |
576 | "# An empty message aborts the commit.\n"); | |
ec84bd00 PB |
577 | if (only_include_assumed) |
578 | fprintf(fp, "# %s\n", only_include_assumed); | |
579 | ||
e83dbe80 SB |
580 | author_ident = xstrdup(fmt_name(author_name, author_email)); |
581 | committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"), | |
582 | getenv("GIT_COMMITTER_EMAIL")); | |
583 | if (strcmp(author_ident, committer_ident)) | |
584 | fprintf(fp, | |
bb1ae3f6 SB |
585 | "%s" |
586 | "# Author: %s\n", | |
587 | ident_shown++ ? "" : "#\n", | |
e83dbe80 SB |
588 | author_ident); |
589 | free(author_ident); | |
590 | ||
bb1ae3f6 SB |
591 | if (!user_ident_explicitly_given) |
592 | fprintf(fp, | |
593 | "%s" | |
594 | "# Committer: %s\n", | |
595 | ident_shown++ ? "" : "#\n", | |
596 | committer_ident); | |
597 | ||
598 | if (ident_shown) | |
599 | fprintf(fp, "#\n"); | |
600 | ||
d249b098 JH |
601 | saved_color_setting = s->use_color; |
602 | s->use_color = 0; | |
603 | commitable = run_status(fp, index_file, prefix, 1, s); | |
604 | s->use_color = saved_color_setting; | |
ec84bd00 | 605 | } else { |
d616a239 | 606 | unsigned char sha1[20]; |
fbcf1184 | 607 | const char *parent = "HEAD"; |
7168624c | 608 | |
7168624c AR |
609 | if (!active_nr && read_cache() < 0) |
610 | die("Cannot read index"); | |
611 | ||
fbcf1184 JH |
612 | if (amend) |
613 | parent = "HEAD^1"; | |
614 | ||
d616a239 | 615 | if (get_sha1(parent, sha1)) |
ec84bd00 | 616 | commitable = !!active_nr; |
75f3ff2e SB |
617 | else |
618 | commitable = index_differs_from(parent, 0); | |
ec84bd00 | 619 | } |
d616a239 | 620 | |
ec84bd00 | 621 | fclose(fp); |
7168624c | 622 | |
ec84bd00 PB |
623 | if (!commitable && !in_merge && !allow_empty && |
624 | !(amend && is_a_merge(head_sha1))) { | |
d249b098 | 625 | run_status(stdout, index_file, prefix, 0, s); |
ec84bd00 | 626 | return 0; |
7168624c AR |
627 | } |
628 | ||
ec84bd00 PB |
629 | /* |
630 | * Re-read the index as pre-commit hook could have updated it, | |
631 | * and write it out as a tree. We must do this before we invoke | |
632 | * the editor and after we invoke run_status above. | |
633 | */ | |
634 | discard_cache(); | |
635 | read_cache_from(index_file); | |
636 | if (!active_cache_tree) | |
637 | active_cache_tree = cache_tree(); | |
638 | if (cache_tree_update(active_cache_tree, | |
639 | active_cache, active_nr, 0, 0) < 0) { | |
331fcb59 | 640 | error("Error building trees"); |
ec84bd00 | 641 | return 0; |
7168624c | 642 | } |
f5bbc322 | 643 | |
8089c85b PB |
644 | if (run_hook(index_file, "prepare-commit-msg", |
645 | git_path(commit_editmsg), hook_arg1, hook_arg2, NULL)) | |
646 | return 0; | |
f5bbc322 | 647 | |
ec84bd00 PB |
648 | if (use_editor) { |
649 | char index[PATH_MAX]; | |
650 | const char *env[2] = { index, NULL }; | |
651 | snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); | |
7198203a SB |
652 | if (launch_editor(git_path(commit_editmsg), NULL, env)) { |
653 | fprintf(stderr, | |
654 | "Please supply the message using either -m or -F option.\n"); | |
655 | exit(1); | |
656 | } | |
ec84bd00 | 657 | } |
f5bbc322 | 658 | |
ec84bd00 PB |
659 | if (!no_verify && |
660 | run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) { | |
661 | return 0; | |
662 | } | |
f5bbc322 | 663 | |
ec84bd00 | 664 | return 1; |
f5bbc322 KH |
665 | } |
666 | ||
667 | /* | |
6bb6b034 MV |
668 | * Find out if the message in the strbuf contains only whitespace and |
669 | * Signed-off-by lines. | |
f5bbc322 | 670 | */ |
6bb6b034 | 671 | static int message_is_empty(struct strbuf *sb) |
f5bbc322 | 672 | { |
f285a2d7 | 673 | struct strbuf tmpl = STRBUF_INIT; |
f5bbc322 | 674 | const char *nl; |
6bb6b034 | 675 | int eol, i, start = 0; |
f5bbc322 | 676 | |
5f065737 AR |
677 | if (cleanup_mode == CLEANUP_NONE && sb->len) |
678 | return 0; | |
679 | ||
f5bbc322 | 680 | /* See if the template is just a prefix of the message. */ |
f5bbc322 | 681 | if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) { |
5f065737 | 682 | stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); |
f5bbc322 KH |
683 | if (start + tmpl.len <= sb->len && |
684 | memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0) | |
685 | start += tmpl.len; | |
686 | } | |
687 | strbuf_release(&tmpl); | |
688 | ||
689 | /* Check if the rest is just whitespace and Signed-of-by's. */ | |
690 | for (i = start; i < sb->len; i++) { | |
691 | nl = memchr(sb->buf + i, '\n', sb->len - i); | |
692 | if (nl) | |
693 | eol = nl - sb->buf; | |
694 | else | |
695 | eol = sb->len; | |
696 | ||
697 | if (strlen(sign_off_header) <= eol - i && | |
698 | !prefixcmp(sb->buf + i, sign_off_header)) { | |
699 | i = eol; | |
700 | continue; | |
701 | } | |
702 | while (i < eol) | |
703 | if (!isspace(sb->buf[i++])) | |
704 | return 0; | |
705 | } | |
706 | ||
707 | return 1; | |
708 | } | |
709 | ||
146ea068 JH |
710 | static const char *find_author_by_nickname(const char *name) |
711 | { | |
712 | struct rev_info revs; | |
713 | struct commit *commit; | |
714 | struct strbuf buf = STRBUF_INIT; | |
715 | const char *av[20]; | |
716 | int ac = 0; | |
717 | ||
718 | init_revisions(&revs, NULL); | |
719 | strbuf_addf(&buf, "--author=%s", name); | |
720 | av[++ac] = "--all"; | |
721 | av[++ac] = "-i"; | |
722 | av[++ac] = buf.buf; | |
723 | av[++ac] = NULL; | |
724 | setup_revisions(ac, av, &revs, NULL); | |
725 | prepare_revision_walk(&revs); | |
726 | commit = get_revision(&revs); | |
727 | if (commit) { | |
dd2e794a TR |
728 | struct pretty_print_context ctx = {0}; |
729 | ctx.date_mode = DATE_NORMAL; | |
146ea068 | 730 | strbuf_release(&buf); |
dd2e794a | 731 | format_commit_message(commit, "%an <%ae>", &buf, &ctx); |
146ea068 JH |
732 | return strbuf_detach(&buf, NULL); |
733 | } | |
734 | die("No existing author found with '%s'", name); | |
735 | } | |
736 | ||
2f02b25f | 737 | static int parse_and_validate_options(int argc, const char *argv[], |
dbd0f5c7 | 738 | const char * const usage[], |
d249b098 JH |
739 | const char *prefix, |
740 | struct wt_status *s) | |
f5bbc322 KH |
741 | { |
742 | int f = 0; | |
743 | ||
37782920 SB |
744 | argc = parse_options(argc, argv, prefix, builtin_commit_options, usage, |
745 | 0); | |
f5bbc322 | 746 | |
146ea068 JH |
747 | if (force_author && !strchr(force_author, '>')) |
748 | force_author = find_author_by_nickname(force_author); | |
749 | ||
f9568530 | 750 | if (logfile || message.len || use_message) |
4803466f | 751 | use_editor = 0; |
f5bbc322 | 752 | if (edit_flag) |
4803466f | 753 | use_editor = 1; |
406400ce PB |
754 | if (!use_editor) |
755 | setenv("GIT_EDITOR", ":", 1); | |
f5bbc322 KH |
756 | |
757 | if (get_sha1("HEAD", head_sha1)) | |
758 | initial_commit = 1; | |
759 | ||
760 | if (!get_sha1("MERGE_HEAD", merge_head_sha1)) | |
761 | in_merge = 1; | |
762 | ||
763 | /* Sanity check options */ | |
764 | if (amend && initial_commit) | |
765 | die("You have nothing to amend."); | |
766 | if (amend && in_merge) | |
b5b644a9 | 767 | die("You are in the middle of a merge -- cannot amend."); |
f5bbc322 KH |
768 | |
769 | if (use_message) | |
770 | f++; | |
771 | if (edit_message) | |
772 | f++; | |
773 | if (logfile) | |
774 | f++; | |
775 | if (f > 1) | |
776 | die("Only one of -c/-C/-F can be used."); | |
f9568530 | 777 | if (message.len && f > 0) |
f5bbc322 KH |
778 | die("Option -m cannot be combined with -c/-C/-F."); |
779 | if (edit_message) | |
780 | use_message = edit_message; | |
1eb1e9ee | 781 | if (amend && !use_message) |
f5bbc322 KH |
782 | use_message = "HEAD"; |
783 | if (use_message) { | |
784 | unsigned char sha1[20]; | |
785 | static char utf8[] = "UTF-8"; | |
786 | const char *out_enc; | |
787 | char *enc, *end; | |
788 | struct commit *commit; | |
789 | ||
790 | if (get_sha1(use_message, sha1)) | |
791 | die("could not lookup commit %s", use_message); | |
8a2f8733 | 792 | commit = lookup_commit_reference(sha1); |
f5bbc322 KH |
793 | if (!commit || parse_commit(commit)) |
794 | die("could not parse commit %s", use_message); | |
795 | ||
796 | enc = strstr(commit->buffer, "\nencoding"); | |
797 | if (enc) { | |
798 | end = strchr(enc + 10, '\n'); | |
799 | enc = xstrndup(enc + 10, end - (enc + 10)); | |
800 | } else { | |
801 | enc = utf8; | |
802 | } | |
803 | out_enc = git_commit_encoding ? git_commit_encoding : utf8; | |
804 | ||
805 | if (strcmp(out_enc, enc)) | |
806 | use_message_buffer = | |
807 | reencode_string(commit->buffer, out_enc, enc); | |
808 | ||
809 | /* | |
810 | * If we failed to reencode the buffer, just copy it | |
811 | * byte for byte so the user can try to fix it up. | |
812 | * This also handles the case where input and output | |
813 | * encodings are identical. | |
814 | */ | |
815 | if (use_message_buffer == NULL) | |
816 | use_message_buffer = xstrdup(commit->buffer); | |
817 | if (enc != utf8) | |
818 | free(enc); | |
819 | } | |
820 | ||
821 | if (!!also + !!only + !!all + !!interactive > 1) | |
822 | die("Only one of --include/--only/--all/--interactive can be used."); | |
823 | if (argc == 0 && (also || (only && !amend))) | |
824 | die("No paths with --include/--only does not make sense."); | |
825 | if (argc == 0 && only && amend) | |
826 | only_include_assumed = "Clever... amending the last one with dirty index."; | |
3c5283f8 | 827 | if (argc > 0 && !also && !only) |
f5bbc322 | 828 | only_include_assumed = "Explicit paths specified without -i nor -o; assuming --only paths..."; |
5f065737 AR |
829 | if (!cleanup_arg || !strcmp(cleanup_arg, "default")) |
830 | cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE; | |
831 | else if (!strcmp(cleanup_arg, "verbatim")) | |
832 | cleanup_mode = CLEANUP_NONE; | |
833 | else if (!strcmp(cleanup_arg, "whitespace")) | |
834 | cleanup_mode = CLEANUP_SPACE; | |
835 | else if (!strcmp(cleanup_arg, "strip")) | |
836 | cleanup_mode = CLEANUP_ALL; | |
837 | else | |
838 | die("Invalid cleanup mode %s", cleanup_arg); | |
f5bbc322 | 839 | |
4bfee30a MSO |
840 | if (!untracked_files_arg) |
841 | ; /* default already initialized */ | |
6c2ce048 | 842 | else if (!strcmp(untracked_files_arg, "no")) |
d249b098 | 843 | s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; |
4bfee30a | 844 | else if (!strcmp(untracked_files_arg, "normal")) |
d249b098 | 845 | s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; |
4bfee30a | 846 | else if (!strcmp(untracked_files_arg, "all")) |
d249b098 | 847 | s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; |
4bfee30a MSO |
848 | else |
849 | die("Invalid untracked files mode '%s'", untracked_files_arg); | |
850 | ||
f5bbc322 KH |
851 | if (all && argc > 0) |
852 | die("Paths with -a does not make sense."); | |
853 | else if (interactive && argc > 0) | |
854 | die("Paths with --interactive does not make sense."); | |
855 | ||
856 | return argc; | |
857 | } | |
858 | ||
d249b098 JH |
859 | static int dry_run_commit(int argc, const char **argv, const char *prefix, |
860 | struct wt_status *s) | |
f5bbc322 | 861 | { |
f5bbc322 | 862 | int commitable; |
3a5d13a3 | 863 | const char *index_file; |
f5bbc322 | 864 | |
3a5d13a3 | 865 | index_file = prepare_index(argc, argv, prefix, 1); |
d249b098 | 866 | commitable = run_status(stdout, index_file, prefix, 0, s); |
3a5d13a3 | 867 | rollback_index_files(); |
f5bbc322 | 868 | |
3a5d13a3 JH |
869 | return commitable ? 0 : 1; |
870 | } | |
871 | ||
f766b367 JH |
872 | static int parse_status_slot(const char *var, int offset) |
873 | { | |
874 | if (!strcasecmp(var+offset, "header")) | |
875 | return WT_STATUS_HEADER; | |
876 | if (!strcasecmp(var+offset, "updated") | |
877 | || !strcasecmp(var+offset, "added")) | |
878 | return WT_STATUS_UPDATED; | |
879 | if (!strcasecmp(var+offset, "changed")) | |
880 | return WT_STATUS_CHANGED; | |
881 | if (!strcasecmp(var+offset, "untracked")) | |
882 | return WT_STATUS_UNTRACKED; | |
883 | if (!strcasecmp(var+offset, "nobranch")) | |
884 | return WT_STATUS_NOBRANCH; | |
885 | if (!strcasecmp(var+offset, "unmerged")) | |
886 | return WT_STATUS_UNMERGED; | |
887 | die("bad config variable '%s'", var); | |
888 | } | |
889 | ||
890 | static int git_status_config(const char *k, const char *v, void *cb) | |
891 | { | |
892 | struct wt_status *s = cb; | |
893 | ||
894 | if (!strcmp(k, "status.submodulesummary")) { | |
895 | int is_bool; | |
896 | s->submodule_summary = git_config_bool_or_int(k, v, &is_bool); | |
897 | if (is_bool && s->submodule_summary) | |
898 | s->submodule_summary = -1; | |
899 | return 0; | |
900 | } | |
901 | if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) { | |
902 | s->use_color = git_config_colorbool(k, v, -1); | |
903 | return 0; | |
904 | } | |
905 | if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) { | |
906 | int slot = parse_status_slot(k, 13); | |
907 | if (!v) | |
908 | return config_error_nonbool(k); | |
909 | color_parse(v, k, s->color_palette[slot]); | |
910 | return 0; | |
911 | } | |
912 | if (!strcmp(k, "status.relativepaths")) { | |
913 | s->relative_paths = git_config_bool(k, v); | |
914 | return 0; | |
915 | } | |
916 | if (!strcmp(k, "status.showuntrackedfiles")) { | |
917 | if (!v) | |
918 | return config_error_nonbool(k); | |
919 | else if (!strcmp(v, "no")) | |
920 | s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; | |
921 | else if (!strcmp(v, "normal")) | |
922 | s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; | |
923 | else if (!strcmp(v, "all")) | |
924 | s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; | |
925 | else | |
926 | return error("Invalid untracked files mode '%s'", v); | |
927 | return 0; | |
928 | } | |
929 | return git_diff_ui_config(k, v, NULL); | |
930 | } | |
931 | ||
3a5d13a3 JH |
932 | int cmd_status(int argc, const char **argv, const char *prefix) |
933 | { | |
d249b098 JH |
934 | struct wt_status s; |
935 | ||
936 | wt_status_prepare(&s); | |
937 | git_config(git_status_config, &s); | |
938 | if (s.use_color == -1) | |
939 | s.use_color = git_use_color_default; | |
38920dd6 MH |
940 | if (diff_use_color_default == -1) |
941 | diff_use_color_default = git_use_color_default; | |
942 | ||
d249b098 JH |
943 | argc = parse_and_validate_options(argc, argv, builtin_status_usage, |
944 | prefix, &s); | |
945 | return dry_run_commit(argc, argv, prefix, &s); | |
f5bbc322 KH |
946 | } |
947 | ||
f5bbc322 KH |
948 | static void print_summary(const char *prefix, const unsigned char *sha1) |
949 | { | |
950 | struct rev_info rev; | |
951 | struct commit *commit; | |
c5ee71fd | 952 | static const char *format = "format:%h] %s"; |
c85db254 JK |
953 | unsigned char junk_sha1[20]; |
954 | const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL); | |
f5bbc322 KH |
955 | |
956 | commit = lookup_commit(sha1); | |
957 | if (!commit) | |
b5b644a9 | 958 | die("couldn't look up newly created commit"); |
f5bbc322 KH |
959 | if (!commit || parse_commit(commit)) |
960 | die("could not parse newly created commit"); | |
961 | ||
962 | init_revisions(&rev, prefix); | |
963 | setup_revisions(0, NULL, &rev, NULL); | |
964 | ||
965 | rev.abbrev = 0; | |
966 | rev.diff = 1; | |
967 | rev.diffopt.output_format = | |
968 | DIFF_FORMAT_SHORTSTAT | DIFF_FORMAT_SUMMARY; | |
969 | ||
970 | rev.verbose_header = 1; | |
971 | rev.show_root_diff = 1; | |
e502f9e7 | 972 | get_commit_format(format, &rev); |
bf82a150 | 973 | rev.always_show_header = 0; |
3eb2a15e JH |
974 | rev.diffopt.detect_rename = 1; |
975 | rev.diffopt.rename_limit = 100; | |
976 | rev.diffopt.break_opt = 0; | |
15964563 | 977 | diff_setup_done(&rev.diffopt); |
f5bbc322 | 978 | |
c5ee71fd | 979 | printf("[%s%s ", |
c85db254 JK |
980 | !prefixcmp(head, "refs/heads/") ? |
981 | head + 11 : | |
982 | !strcmp(head, "HEAD") ? | |
983 | "detached HEAD" : | |
984 | head, | |
985 | initial_commit ? " (root-commit)" : ""); | |
f5bbc322 | 986 | |
bf82a150 | 987 | if (!log_tree_commit(&rev, commit)) { |
dd2e794a | 988 | struct pretty_print_context ctx = {0}; |
bf82a150 | 989 | struct strbuf buf = STRBUF_INIT; |
dd2e794a TR |
990 | ctx.date_mode = DATE_NORMAL; |
991 | format_commit_message(commit, format + 7, &buf, &ctx); | |
bf82a150 JH |
992 | printf("%s\n", buf.buf); |
993 | strbuf_release(&buf); | |
994 | } | |
f5bbc322 KH |
995 | } |
996 | ||
186458b1 | 997 | static int git_commit_config(const char *k, const char *v, void *cb) |
f5bbc322 | 998 | { |
d249b098 JH |
999 | struct wt_status *s = cb; |
1000 | ||
984c6e7e BH |
1001 | if (!strcmp(k, "commit.template")) |
1002 | return git_config_string(&template_file, k, v); | |
f5bbc322 | 1003 | |
d249b098 | 1004 | return git_status_config(k, v, s); |
f5bbc322 KH |
1005 | } |
1006 | ||
f5bbc322 KH |
1007 | int cmd_commit(int argc, const char **argv, const char *prefix) |
1008 | { | |
f285a2d7 | 1009 | struct strbuf sb = STRBUF_INIT; |
f5bbc322 | 1010 | const char *index_file, *reflog_msg; |
99a12694 | 1011 | char *nl, *p; |
f5bbc322 KH |
1012 | unsigned char commit_sha1[20]; |
1013 | struct ref_lock *ref_lock; | |
6bb6b034 | 1014 | struct commit_list *parents = NULL, **pptr = &parents; |
cf10f9fd MV |
1015 | struct stat statbuf; |
1016 | int allow_fast_forward = 1; | |
d249b098 | 1017 | struct wt_status s; |
f5bbc322 | 1018 | |
d249b098 JH |
1019 | wt_status_prepare(&s); |
1020 | git_config(git_commit_config, &s); | |
f5bbc322 | 1021 | |
d249b098 JH |
1022 | if (s.use_color == -1) |
1023 | s.use_color = git_use_color_default; | |
3f4b609f | 1024 | |
d249b098 JH |
1025 | argc = parse_and_validate_options(argc, argv, builtin_commit_usage, |
1026 | prefix, &s); | |
3fa509df JH |
1027 | if (dry_run) { |
1028 | if (diff_use_color_default == -1) | |
1029 | diff_use_color_default = git_use_color_default; | |
d249b098 | 1030 | return dry_run_commit(argc, argv, prefix, &s); |
3fa509df | 1031 | } |
50b7e70f | 1032 | index_file = prepare_index(argc, argv, prefix, 0); |
f5bbc322 | 1033 | |
ec84bd00 PB |
1034 | /* Set up everything for writing the commit object. This includes |
1035 | running hooks, writing the trees, and interacting with the user. */ | |
d249b098 | 1036 | if (!prepare_to_commit(index_file, prefix, &s)) { |
2888605c | 1037 | rollback_index_files(); |
f5bbc322 KH |
1038 | return 1; |
1039 | } | |
1040 | ||
f5bbc322 KH |
1041 | /* Determine parents */ |
1042 | if (initial_commit) { | |
1043 | reflog_msg = "commit (initial)"; | |
f5bbc322 KH |
1044 | } else if (amend) { |
1045 | struct commit_list *c; | |
1046 | struct commit *commit; | |
1047 | ||
1048 | reflog_msg = "commit (amend)"; | |
1049 | commit = lookup_commit(head_sha1); | |
1050 | if (!commit || parse_commit(commit)) | |
1051 | die("could not parse HEAD commit"); | |
1052 | ||
1053 | for (c = commit->parents; c; c = c->next) | |
6bb6b034 | 1054 | pptr = &commit_list_insert(c->item, pptr)->next; |
f5bbc322 | 1055 | } else if (in_merge) { |
f285a2d7 | 1056 | struct strbuf m = STRBUF_INIT; |
f5bbc322 KH |
1057 | FILE *fp; |
1058 | ||
1059 | reflog_msg = "commit (merge)"; | |
6bb6b034 | 1060 | pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; |
f5bbc322 KH |
1061 | fp = fopen(git_path("MERGE_HEAD"), "r"); |
1062 | if (fp == NULL) | |
d824cbba TR |
1063 | die_errno("could not open '%s' for reading", |
1064 | git_path("MERGE_HEAD")); | |
7c3fd25d LT |
1065 | while (strbuf_getline(&m, fp, '\n') != EOF) { |
1066 | unsigned char sha1[20]; | |
1067 | if (get_sha1_hex(m.buf, sha1) < 0) | |
1068 | die("Corrupt MERGE_HEAD file (%s)", m.buf); | |
6bb6b034 | 1069 | pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; |
7c3fd25d | 1070 | } |
f5bbc322 KH |
1071 | fclose(fp); |
1072 | strbuf_release(&m); | |
cf10f9fd MV |
1073 | if (!stat(git_path("MERGE_MODE"), &statbuf)) { |
1074 | if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0) | |
d824cbba | 1075 | die_errno("could not read MERGE_MODE"); |
cf10f9fd MV |
1076 | if (!strcmp(sb.buf, "no-ff")) |
1077 | allow_fast_forward = 0; | |
1078 | } | |
1079 | if (allow_fast_forward) | |
1080 | parents = reduce_heads(parents); | |
f5bbc322 KH |
1081 | } else { |
1082 | reflog_msg = "commit"; | |
6bb6b034 | 1083 | pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; |
f5bbc322 | 1084 | } |
f5bbc322 | 1085 | |
ec84bd00 | 1086 | /* Finally, get the commit message */ |
cf10f9fd | 1087 | strbuf_reset(&sb); |
740001a5 | 1088 | if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { |
0721c314 | 1089 | int saved_errno = errno; |
740001a5 | 1090 | rollback_index_files(); |
0721c314 | 1091 | die("could not read commit message: %s", strerror(saved_errno)); |
740001a5 | 1092 | } |
99a12694 KH |
1093 | |
1094 | /* Truncate the message just before the diff, if any. */ | |
0b38227f JK |
1095 | if (verbose) { |
1096 | p = strstr(sb.buf, "\ndiff --git "); | |
1097 | if (p != NULL) | |
1098 | strbuf_setlen(&sb, p - sb.buf + 1); | |
1099 | } | |
99a12694 | 1100 | |
5f065737 AR |
1101 | if (cleanup_mode != CLEANUP_NONE) |
1102 | stripspace(&sb, cleanup_mode == CLEANUP_ALL); | |
6bb6b034 | 1103 | if (message_is_empty(&sb)) { |
2888605c | 1104 | rollback_index_files(); |
fdc7c811 JK |
1105 | fprintf(stderr, "Aborting commit due to empty commit message.\n"); |
1106 | exit(1); | |
2888605c | 1107 | } |
f5bbc322 | 1108 | |
6bb6b034 MV |
1109 | if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, |
1110 | fmt_ident(author_name, author_email, author_date, | |
1111 | IDENT_ERROR_ON_NO_NAME))) { | |
2888605c | 1112 | rollback_index_files(); |
f5bbc322 | 1113 | die("failed to write commit object"); |
2888605c | 1114 | } |
f5bbc322 KH |
1115 | |
1116 | ref_lock = lock_any_ref_for_update("HEAD", | |
1117 | initial_commit ? NULL : head_sha1, | |
1118 | 0); | |
1119 | ||
6bb6b034 | 1120 | nl = strchr(sb.buf, '\n'); |
741707b1 JS |
1121 | if (nl) |
1122 | strbuf_setlen(&sb, nl + 1 - sb.buf); | |
1123 | else | |
1124 | strbuf_addch(&sb, '\n'); | |
741707b1 JS |
1125 | strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); |
1126 | strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); | |
f5bbc322 | 1127 | |
2888605c JH |
1128 | if (!ref_lock) { |
1129 | rollback_index_files(); | |
f5bbc322 | 1130 | die("cannot lock HEAD ref"); |
2888605c JH |
1131 | } |
1132 | if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) { | |
1133 | rollback_index_files(); | |
f5bbc322 | 1134 | die("cannot update HEAD ref"); |
2888605c | 1135 | } |
f5bbc322 KH |
1136 | |
1137 | unlink(git_path("MERGE_HEAD")); | |
1138 | unlink(git_path("MERGE_MSG")); | |
cf10f9fd | 1139 | unlink(git_path("MERGE_MODE")); |
5a95b855 | 1140 | unlink(git_path("SQUASH_MSG")); |
f5bbc322 | 1141 | |
5a9dd399 BC |
1142 | if (commit_index_files()) |
1143 | die ("Repository has been updated, but unable to write\n" | |
1144 | "new_index file. Check that disk is not full or quota is\n" | |
1145 | "not exceeded, and then \"git reset HEAD\" to recover."); | |
f5bbc322 KH |
1146 | |
1147 | rerere(); | |
2888605c | 1148 | run_hook(get_index_file(), "post-commit", NULL); |
f5bbc322 KH |
1149 | if (!quiet) |
1150 | print_summary(prefix, commit_sha1); | |
1151 | ||
1152 | return 0; | |
1153 | } |