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Commit | Line | Data |
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70827b15 LT |
1 | /* |
2 | * Builtin "git log" and related commands (show, whatchanged) | |
3 | * | |
4 | * (C) Copyright 2006 Linus Torvalds | |
5 | * 2006 Junio Hamano | |
6 | */ | |
7 | #include "cache.h" | |
6b2f2d98 | 8 | #include "color.h" |
70827b15 LT |
9 | #include "commit.h" |
10 | #include "diff.h" | |
11 | #include "revision.h" | |
12 | #include "log-tree.h" | |
91efcf60 | 13 | #include "builtin.h" |
5d7eeee2 | 14 | #include "tag.h" |
cf39f54e | 15 | #include "reflog-walk.h" |
5d23e133 | 16 | #include "patch-ids.h" |
ca135e7a | 17 | #include "refs.h" |
a5a27c79 | 18 | #include "run-command.h" |
2bda2cf4 | 19 | #include "shortlog.h" |
70827b15 | 20 | |
dd0ffd5b HO |
21 | /* Set a default date-time format for git log ("log.date" config variable) */ |
22 | static const char *default_date_mode = NULL; | |
23 | ||
0f03ca94 | 24 | static int default_show_root = 1; |
d54276f2 | 25 | static const char *fmt_patch_subject_prefix = "PATCH"; |
94c22a5e | 26 | static const char *fmt_pretty; |
0f03ca94 | 27 | |
ca135e7a LT |
28 | static void add_name_decoration(const char *prefix, const char *name, struct object *obj) |
29 | { | |
30 | int plen = strlen(prefix); | |
31 | int nlen = strlen(name); | |
32 | struct name_decoration *res = xmalloc(sizeof(struct name_decoration) + plen + nlen); | |
33 | memcpy(res->name, prefix, plen); | |
34 | memcpy(res->name + plen, name, nlen + 1); | |
35 | res->next = add_decoration(&name_decoration, obj, res); | |
36 | } | |
37 | ||
38 | static int add_ref_decoration(const char *refname, const unsigned char *sha1, int flags, void *cb_data) | |
39 | { | |
40 | struct object *obj = parse_object(sha1); | |
41 | if (!obj) | |
42 | return 0; | |
43 | add_name_decoration("", refname, obj); | |
44 | while (obj->type == OBJ_TAG) { | |
45 | obj = ((struct tag *)obj)->tagged; | |
46 | if (!obj) | |
47 | break; | |
48 | add_name_decoration("tag: ", refname, obj); | |
49 | } | |
50 | return 0; | |
51 | } | |
52 | ||
a633fca0 | 53 | static void cmd_log_init(int argc, const char **argv, const char *prefix, |
70827b15 LT |
54 | struct rev_info *rev) |
55 | { | |
52883fbd | 56 | int i; |
ca135e7a | 57 | int decorate = 0; |
52883fbd | 58 | |
70827b15 LT |
59 | rev->abbrev = DEFAULT_ABBREV; |
60 | rev->commit_format = CMIT_FMT_DEFAULT; | |
94c22a5e | 61 | if (fmt_pretty) |
4da45bef | 62 | get_commit_format(fmt_pretty, rev); |
70827b15 | 63 | rev->verbose_header = 1; |
8f67f8ae | 64 | DIFF_OPT_SET(&rev->diffopt, RECURSIVE); |
0f03ca94 | 65 | rev->show_root_diff = default_show_root; |
d54276f2 | 66 | rev->subject_prefix = fmt_patch_subject_prefix; |
dd0ffd5b HO |
67 | |
68 | if (default_date_mode) | |
69 | rev->date_mode = parse_date_format(default_date_mode); | |
70 | ||
70827b15 | 71 | argc = setup_revisions(argc, argv, rev, "HEAD"); |
dd0ffd5b | 72 | |
9dafea26 TH |
73 | if (rev->diffopt.pickaxe || rev->diffopt.filter) |
74 | rev->always_show_header = 0; | |
8f67f8ae | 75 | if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) { |
750f7b66 LT |
76 | rev->always_show_header = 0; |
77 | if (rev->diffopt.nr_paths != 1) | |
78 | usage("git logs can only follow renames on one pathname at a time"); | |
79 | } | |
52883fbd JH |
80 | for (i = 1; i < argc; i++) { |
81 | const char *arg = argv[i]; | |
66688334 | 82 | if (!strcmp(arg, "--decorate")) { |
ca135e7a LT |
83 | if (!decorate) |
84 | for_each_ref(add_ref_decoration, NULL); | |
85 | decorate = 1; | |
86 | } else | |
52883fbd JH |
87 | die("unrecognized argument: %s", arg); |
88 | } | |
9dafea26 TH |
89 | } |
90 | ||
252a7c02 LT |
91 | /* |
92 | * This gives a rough estimate for how many commits we | |
93 | * will print out in the list. | |
94 | */ | |
95 | static int estimate_commit_count(struct rev_info *rev, struct commit_list *list) | |
96 | { | |
97 | int n = 0; | |
98 | ||
99 | while (list) { | |
100 | struct commit *commit = list->item; | |
101 | unsigned int flags = commit->object.flags; | |
252a7c02 | 102 | list = list->next; |
7dc0fe3b | 103 | if (!(flags & (TREESAME | UNINTERESTING))) |
53b2c823 | 104 | n++; |
252a7c02 LT |
105 | } |
106 | return n; | |
107 | } | |
108 | ||
109 | static void show_early_header(struct rev_info *rev, const char *stage, int nr) | |
110 | { | |
111 | if (rev->shown_one) { | |
112 | rev->shown_one = 0; | |
113 | if (rev->commit_format != CMIT_FMT_ONELINE) | |
114 | putchar(rev->diffopt.line_termination); | |
115 | } | |
116 | printf("Final output: %d %s\n", nr, stage); | |
117 | } | |
118 | ||
119 | struct itimerval early_output_timer; | |
120 | ||
cdcefbc9 LT |
121 | static void log_show_early(struct rev_info *revs, struct commit_list *list) |
122 | { | |
123 | int i = revs->early_output; | |
252a7c02 | 124 | int show_header = 1; |
cdcefbc9 LT |
125 | |
126 | sort_in_topological_order(&list, revs->lifo); | |
127 | while (list && i) { | |
128 | struct commit *commit = list->item; | |
252a7c02 LT |
129 | switch (simplify_commit(revs, commit)) { |
130 | case commit_show: | |
131 | if (show_header) { | |
132 | int n = estimate_commit_count(revs, list); | |
133 | show_early_header(revs, "incomplete", n); | |
134 | show_header = 0; | |
135 | } | |
136 | log_tree_commit(revs, commit); | |
137 | i--; | |
138 | break; | |
139 | case commit_ignore: | |
140 | break; | |
141 | case commit_error: | |
142 | return; | |
143 | } | |
cdcefbc9 | 144 | list = list->next; |
cdcefbc9 | 145 | } |
252a7c02 LT |
146 | |
147 | /* Did we already get enough commits for the early output? */ | |
148 | if (!i) | |
149 | return; | |
150 | ||
151 | /* | |
152 | * ..if no, then repeat it twice a second until we | |
153 | * do. | |
154 | * | |
155 | * NOTE! We don't use "it_interval", because if the | |
156 | * reader isn't listening, we want our output to be | |
157 | * throttled by the writing, and not have the timer | |
158 | * trigger every second even if we're blocked on a | |
159 | * reader! | |
160 | */ | |
161 | early_output_timer.it_value.tv_sec = 0; | |
162 | early_output_timer.it_value.tv_usec = 500000; | |
163 | setitimer(ITIMER_REAL, &early_output_timer, NULL); | |
cdcefbc9 LT |
164 | } |
165 | ||
166 | static void early_output(int signal) | |
167 | { | |
168 | show_early_output = log_show_early; | |
169 | } | |
170 | ||
171 | static void setup_early_output(struct rev_info *rev) | |
172 | { | |
173 | struct sigaction sa; | |
cdcefbc9 LT |
174 | |
175 | /* | |
176 | * Set up the signal handler, minimally intrusively: | |
177 | * we only set a single volatile integer word (not | |
178 | * using sigatomic_t - trying to avoid unnecessary | |
179 | * system dependencies and headers), and using | |
180 | * SA_RESTART. | |
181 | */ | |
182 | memset(&sa, 0, sizeof(sa)); | |
183 | sa.sa_handler = early_output; | |
184 | sigemptyset(&sa.sa_mask); | |
185 | sa.sa_flags = SA_RESTART; | |
186 | sigaction(SIGALRM, &sa, NULL); | |
187 | ||
188 | /* | |
189 | * If we can get the whole output in less than a | |
190 | * tenth of a second, don't even bother doing the | |
191 | * early-output thing.. | |
192 | * | |
193 | * This is a one-time-only trigger. | |
194 | */ | |
252a7c02 LT |
195 | early_output_timer.it_value.tv_sec = 0; |
196 | early_output_timer.it_value.tv_usec = 100000; | |
197 | setitimer(ITIMER_REAL, &early_output_timer, NULL); | |
cdcefbc9 LT |
198 | } |
199 | ||
200 | static void finish_early_output(struct rev_info *rev) | |
201 | { | |
252a7c02 | 202 | int n = estimate_commit_count(rev, rev->commits); |
cdcefbc9 | 203 | signal(SIGALRM, SIG_IGN); |
252a7c02 | 204 | show_early_header(rev, "done", n); |
cdcefbc9 LT |
205 | } |
206 | ||
9dafea26 TH |
207 | static int cmd_log_walk(struct rev_info *rev) |
208 | { | |
209 | struct commit *commit; | |
70827b15 | 210 | |
cdcefbc9 LT |
211 | if (rev->early_output) |
212 | setup_early_output(rev); | |
213 | ||
3d51e1b5 MK |
214 | if (prepare_revision_walk(rev)) |
215 | die("revision walk setup failed"); | |
cdcefbc9 LT |
216 | |
217 | if (rev->early_output) | |
218 | finish_early_output(rev); | |
219 | ||
70827b15 LT |
220 | while ((commit = get_revision(rev)) != NULL) { |
221 | log_tree_commit(rev, commit); | |
a6c73064 JS |
222 | if (!rev->reflog_info) { |
223 | /* we allow cycles in reflog ancestry */ | |
224 | free(commit->buffer); | |
225 | commit->buffer = NULL; | |
226 | } | |
cb115748 LT |
227 | free_commit_list(commit->parents); |
228 | commit->parents = NULL; | |
70827b15 LT |
229 | } |
230 | return 0; | |
231 | } | |
232 | ||
ef90d6d4 | 233 | static int git_log_config(const char *var, const char *value, void *cb) |
0f03ca94 | 234 | { |
94c22a5e CR |
235 | if (!strcmp(var, "format.pretty")) |
236 | return git_config_string(&fmt_pretty, var, value); | |
d54276f2 AR |
237 | if (!strcmp(var, "format.subjectprefix")) { |
238 | if (!value) | |
995c4527 | 239 | config_error_nonbool(var); |
d54276f2 AR |
240 | fmt_patch_subject_prefix = xstrdup(value); |
241 | return 0; | |
242 | } | |
dd0ffd5b HO |
243 | if (!strcmp(var, "log.date")) |
244 | return git_config_string(&default_date_mode, var, value); | |
0f03ca94 PB |
245 | if (!strcmp(var, "log.showroot")) { |
246 | default_show_root = git_config_bool(var, value); | |
247 | return 0; | |
248 | } | |
ef90d6d4 | 249 | return git_diff_ui_config(var, value, cb); |
0f03ca94 PB |
250 | } |
251 | ||
a633fca0 | 252 | int cmd_whatchanged(int argc, const char **argv, const char *prefix) |
70827b15 LT |
253 | { |
254 | struct rev_info rev; | |
255 | ||
ef90d6d4 | 256 | git_config(git_log_config, NULL); |
6b2f2d98 MK |
257 | |
258 | if (diff_use_color_default == -1) | |
259 | diff_use_color_default = git_use_color_default; | |
260 | ||
db6296a5 | 261 | init_revisions(&rev, prefix); |
70827b15 | 262 | rev.diff = 1; |
9202434c | 263 | rev.simplify_history = 0; |
a633fca0 | 264 | cmd_log_init(argc, argv, prefix, &rev); |
9dafea26 TH |
265 | if (!rev.diffopt.output_format) |
266 | rev.diffopt.output_format = DIFF_FORMAT_RAW; | |
267 | return cmd_log_walk(&rev); | |
70827b15 LT |
268 | } |
269 | ||
56122ed8 JS |
270 | static void show_tagger(char *buf, int len, struct rev_info *rev) |
271 | { | |
272 | char *email_end, *p; | |
273 | unsigned long date; | |
274 | int tz; | |
275 | ||
276 | email_end = memchr(buf, '>', len); | |
277 | if (!email_end) | |
278 | return; | |
279 | p = ++email_end; | |
280 | while (isspace(*p)) | |
281 | p++; | |
282 | date = strtoul(p, &p, 10); | |
283 | while (isspace(*p)) | |
284 | p++; | |
285 | tz = (int)strtol(p, NULL, 10); | |
286 | printf("Tagger: %.*s\nDate: %s\n", (int)(email_end - buf), buf, | |
287 | show_date(date, tz, rev->date_mode)); | |
288 | } | |
289 | ||
290 | static int show_object(const unsigned char *sha1, int show_tag_object, | |
291 | struct rev_info *rev) | |
5d7eeee2 JS |
292 | { |
293 | unsigned long size; | |
21666f1a NP |
294 | enum object_type type; |
295 | char *buf = read_sha1_file(sha1, &type, &size); | |
5d7eeee2 JS |
296 | int offset = 0; |
297 | ||
298 | if (!buf) | |
299 | return error("Could not read object %s", sha1_to_hex(sha1)); | |
300 | ||
56122ed8 JS |
301 | if (show_tag_object) |
302 | while (offset < size && buf[offset] != '\n') { | |
303 | int new_offset = offset + 1; | |
5d7eeee2 JS |
304 | while (new_offset < size && buf[new_offset++] != '\n') |
305 | ; /* do nothing */ | |
56122ed8 JS |
306 | if (!prefixcmp(buf + offset, "tagger ")) |
307 | show_tagger(buf + offset + 7, | |
308 | new_offset - offset - 7, rev); | |
5d7eeee2 JS |
309 | offset = new_offset; |
310 | } | |
311 | ||
312 | if (offset < size) | |
313 | fwrite(buf + offset, size - offset, 1, stdout); | |
314 | free(buf); | |
315 | return 0; | |
316 | } | |
317 | ||
318 | static int show_tree_object(const unsigned char *sha1, | |
319 | const char *base, int baselen, | |
320 | const char *pathname, unsigned mode, int stage) | |
321 | { | |
322 | printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); | |
323 | return 0; | |
324 | } | |
325 | ||
a633fca0 | 326 | int cmd_show(int argc, const char **argv, const char *prefix) |
70827b15 LT |
327 | { |
328 | struct rev_info rev; | |
5d7eeee2 JS |
329 | struct object_array_entry *objects; |
330 | int i, count, ret = 0; | |
70827b15 | 331 | |
ef90d6d4 | 332 | git_config(git_log_config, NULL); |
6b2f2d98 MK |
333 | |
334 | if (diff_use_color_default == -1) | |
335 | diff_use_color_default = git_use_color_default; | |
336 | ||
db6296a5 | 337 | init_revisions(&rev, prefix); |
70827b15 | 338 | rev.diff = 1; |
70827b15 LT |
339 | rev.combine_merges = 1; |
340 | rev.dense_combined_merges = 1; | |
341 | rev.always_show_header = 1; | |
342 | rev.ignore_merges = 0; | |
343 | rev.no_walk = 1; | |
a633fca0 | 344 | cmd_log_init(argc, argv, prefix, &rev); |
5d7eeee2 JS |
345 | |
346 | count = rev.pending.nr; | |
347 | objects = rev.pending.objects; | |
348 | for (i = 0; i < count && !ret; i++) { | |
349 | struct object *o = objects[i].item; | |
350 | const char *name = objects[i].name; | |
351 | switch (o->type) { | |
352 | case OBJ_BLOB: | |
56122ed8 | 353 | ret = show_object(o->sha1, 0, NULL); |
5d7eeee2 JS |
354 | break; |
355 | case OBJ_TAG: { | |
356 | struct tag *t = (struct tag *)o; | |
357 | ||
56122ed8 | 358 | printf("%stag %s%s\n", |
8f67f8ae | 359 | diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), |
5d7eeee2 | 360 | t->tag, |
8f67f8ae | 361 | diff_get_color_opt(&rev.diffopt, DIFF_RESET)); |
56122ed8 | 362 | ret = show_object(o->sha1, 1, &rev); |
4f3dcc27 | 363 | objects[i].item = parse_object(t->tagged->sha1); |
5d7eeee2 JS |
364 | i--; |
365 | break; | |
366 | } | |
367 | case OBJ_TREE: | |
368 | printf("%stree %s%s\n\n", | |
8f67f8ae | 369 | diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), |
5d7eeee2 | 370 | name, |
8f67f8ae | 371 | diff_get_color_opt(&rev.diffopt, DIFF_RESET)); |
5d7eeee2 JS |
372 | read_tree_recursive((struct tree *)o, "", 0, 0, NULL, |
373 | show_tree_object); | |
374 | break; | |
375 | case OBJ_COMMIT: | |
376 | rev.pending.nr = rev.pending.alloc = 0; | |
377 | rev.pending.objects = NULL; | |
378 | add_object_array(o, name, &rev.pending); | |
379 | ret = cmd_log_walk(&rev); | |
380 | break; | |
381 | default: | |
382 | ret = error("Unknown type: %d", o->type); | |
383 | } | |
384 | } | |
385 | free(objects); | |
386 | return ret; | |
70827b15 LT |
387 | } |
388 | ||
cf39f54e LT |
389 | /* |
390 | * This is equivalent to "git log -g --abbrev-commit --pretty=oneline" | |
391 | */ | |
392 | int cmd_log_reflog(int argc, const char **argv, const char *prefix) | |
393 | { | |
394 | struct rev_info rev; | |
395 | ||
ef90d6d4 | 396 | git_config(git_log_config, NULL); |
6b2f2d98 MK |
397 | |
398 | if (diff_use_color_default == -1) | |
399 | diff_use_color_default = git_use_color_default; | |
400 | ||
cf39f54e LT |
401 | init_revisions(&rev, prefix); |
402 | init_reflog_walk(&rev.reflog_info); | |
403 | rev.abbrev_commit = 1; | |
404 | rev.verbose_header = 1; | |
405 | cmd_log_init(argc, argv, prefix, &rev); | |
406 | ||
407 | /* | |
408 | * This means that we override whatever commit format the user gave | |
409 | * on the cmd line. Sad, but cmd_log_init() currently doesn't | |
410 | * allow us to set a different default. | |
411 | */ | |
412 | rev.commit_format = CMIT_FMT_ONELINE; | |
4da45bef | 413 | rev.use_terminator = 1; |
cf39f54e LT |
414 | rev.always_show_header = 1; |
415 | ||
416 | /* | |
417 | * We get called through "git reflog", so unlike the other log | |
418 | * routines, we need to set up our pager manually.. | |
419 | */ | |
420 | setup_pager(); | |
421 | ||
422 | return cmd_log_walk(&rev); | |
423 | } | |
424 | ||
a633fca0 | 425 | int cmd_log(int argc, const char **argv, const char *prefix) |
70827b15 LT |
426 | { |
427 | struct rev_info rev; | |
428 | ||
ef90d6d4 | 429 | git_config(git_log_config, NULL); |
6b2f2d98 MK |
430 | |
431 | if (diff_use_color_default == -1) | |
432 | diff_use_color_default = git_use_color_default; | |
433 | ||
db6296a5 | 434 | init_revisions(&rev, prefix); |
70827b15 | 435 | rev.always_show_header = 1; |
a633fca0 | 436 | cmd_log_init(argc, argv, prefix, &rev); |
9dafea26 | 437 | return cmd_log_walk(&rev); |
70827b15 | 438 | } |
91efcf60 | 439 | |
c06d2daa RR |
440 | /* format-patch */ |
441 | #define FORMAT_PATCH_NAME_MAX 64 | |
442 | ||
0377db77 JS |
443 | static int istitlechar(char c) |
444 | { | |
445 | return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || | |
446 | (c >= '0' && c <= '9') || c == '.' || c == '_'; | |
447 | } | |
448 | ||
917a8f89 | 449 | static const char *fmt_patch_suffix = ".patch"; |
49604a4d BG |
450 | static int numbered = 0; |
451 | static int auto_number = 0; | |
20ff0680 | 452 | |
3ee79d9f DB |
453 | static char **extra_hdr; |
454 | static int extra_hdr_nr; | |
455 | static int extra_hdr_alloc; | |
456 | ||
457 | static char **extra_to; | |
458 | static int extra_to_nr; | |
459 | static int extra_to_alloc; | |
460 | ||
461 | static char **extra_cc; | |
462 | static int extra_cc_nr; | |
463 | static int extra_cc_alloc; | |
464 | ||
465 | static void add_header(const char *value) | |
466 | { | |
467 | int len = strlen(value); | |
468 | while (value[len - 1] == '\n') | |
469 | len--; | |
470 | if (!strncasecmp(value, "to: ", 4)) { | |
471 | ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc); | |
472 | extra_to[extra_to_nr++] = xstrndup(value + 4, len - 4); | |
473 | return; | |
474 | } | |
475 | if (!strncasecmp(value, "cc: ", 4)) { | |
476 | ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc); | |
477 | extra_cc[extra_cc_nr++] = xstrndup(value + 4, len - 4); | |
478 | return; | |
479 | } | |
480 | ALLOC_GROW(extra_hdr, extra_hdr_nr + 1, extra_hdr_alloc); | |
481 | extra_hdr[extra_hdr_nr++] = xstrndup(value, len); | |
482 | } | |
483 | ||
ef90d6d4 | 484 | static int git_format_config(const char *var, const char *value, void *cb) |
20ff0680 JS |
485 | { |
486 | if (!strcmp(var, "format.headers")) { | |
d7fb91c6 JH |
487 | if (!value) |
488 | die("format.headers without value"); | |
3ee79d9f | 489 | add_header(value); |
20ff0680 JS |
490 | return 0; |
491 | } | |
03eeaeae JH |
492 | if (!strcmp(var, "format.suffix")) { |
493 | if (!value) | |
90f5c186 | 494 | return config_error_nonbool(var); |
03eeaeae JH |
495 | fmt_patch_suffix = xstrdup(value); |
496 | return 0; | |
497 | } | |
fe8928e6 MV |
498 | if (!strcmp(var, "format.cc")) { |
499 | if (!value) | |
500 | return config_error_nonbool(var); | |
501 | ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc); | |
502 | extra_cc[extra_cc_nr++] = xstrdup(value); | |
503 | return 0; | |
504 | } | |
a159ca0c | 505 | if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) { |
f3aafa4d RA |
506 | return 0; |
507 | } | |
49604a4d | 508 | if (!strcmp(var, "format.numbered")) { |
90f5c186 | 509 | if (value && !strcasecmp(value, "auto")) { |
49604a4d BG |
510 | auto_number = 1; |
511 | return 0; | |
512 | } | |
49604a4d BG |
513 | numbered = git_config_bool(var, value); |
514 | return 0; | |
515 | } | |
dbd21447 | 516 | |
ef90d6d4 | 517 | return git_log_config(var, value, cb); |
20ff0680 JS |
518 | } |
519 | ||
520 | ||
a5a27c79 DB |
521 | static const char *get_oneline_for_filename(struct commit *commit, |
522 | int keep_subject) | |
523 | { | |
524 | static char filename[PATH_MAX]; | |
525 | char *sol; | |
526 | int len = 0; | |
527 | int suffix_len = strlen(fmt_patch_suffix) + 1; | |
528 | ||
529 | sol = strstr(commit->buffer, "\n\n"); | |
530 | if (!sol) | |
531 | filename[0] = '\0'; | |
532 | else { | |
533 | int j, space = 0; | |
534 | ||
535 | sol += 2; | |
536 | /* strip [PATCH] or [PATCH blabla] */ | |
537 | if (!keep_subject && !prefixcmp(sol, "[PATCH")) { | |
538 | char *eos = strchr(sol + 6, ']'); | |
539 | if (eos) { | |
540 | while (isspace(*eos)) | |
541 | eos++; | |
542 | sol = eos; | |
543 | } | |
544 | } | |
545 | ||
546 | for (j = 0; | |
547 | j < FORMAT_PATCH_NAME_MAX - suffix_len - 5 && | |
548 | len < sizeof(filename) - suffix_len && | |
549 | sol[j] && sol[j] != '\n'; | |
550 | j++) { | |
551 | if (istitlechar(sol[j])) { | |
552 | if (space) { | |
553 | filename[len++] = '-'; | |
554 | space = 0; | |
555 | } | |
556 | filename[len++] = sol[j]; | |
557 | if (sol[j] == '.') | |
558 | while (sol[j + 1] == '.') | |
559 | j++; | |
560 | } else | |
561 | space = 1; | |
562 | } | |
563 | while (filename[len - 1] == '.' | |
564 | || filename[len - 1] == '-') | |
565 | len--; | |
566 | filename[len] = '\0'; | |
567 | } | |
568 | return filename; | |
569 | } | |
570 | ||
81f3a188 | 571 | static FILE *realstdout = NULL; |
efd02016 | 572 | static const char *output_directory = NULL; |
81f3a188 | 573 | |
a5a27c79 | 574 | static int reopen_stdout(const char *oneline, int nr, int total) |
0377db77 | 575 | { |
c06d2daa | 576 | char filename[PATH_MAX]; |
2448482b | 577 | int len = 0; |
c06d2daa | 578 | int suffix_len = strlen(fmt_patch_suffix) + 1; |
0377db77 | 579 | |
2448482b | 580 | if (output_directory) { |
a5a27c79 DB |
581 | len = snprintf(filename, sizeof(filename), "%s", |
582 | output_directory); | |
583 | if (len >= | |
c06d2daa RR |
584 | sizeof(filename) - FORMAT_PATCH_NAME_MAX - suffix_len) |
585 | return error("name of output directory is too long"); | |
2448482b JS |
586 | if (filename[len - 1] != '/') |
587 | filename[len++] = '/'; | |
588 | } | |
0377db77 | 589 | |
a5a27c79 DB |
590 | if (!oneline) |
591 | len += sprintf(filename + len, "%d", nr); | |
592 | else { | |
593 | len += sprintf(filename + len, "%04d-", nr); | |
594 | len += snprintf(filename + len, sizeof(filename) - len - 1 | |
595 | - suffix_len, "%s", oneline); | |
e6ff0f42 | 596 | strcpy(filename + len, fmt_patch_suffix); |
0377db77 | 597 | } |
e6ff0f42 | 598 | |
81f3a188 | 599 | fprintf(realstdout, "%s\n", filename); |
c06d2daa RR |
600 | if (freopen(filename, "w", stdout) == NULL) |
601 | return error("Cannot open patch file %s",filename); | |
c06d2daa | 602 | |
e6ff0f42 | 603 | return 0; |
0377db77 JS |
604 | } |
605 | ||
5d23e133 | 606 | static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const char *prefix) |
9c6efa36 JS |
607 | { |
608 | struct rev_info check_rev; | |
609 | struct commit *commit; | |
610 | struct object *o1, *o2; | |
611 | unsigned flags1, flags2; | |
9c6efa36 JS |
612 | |
613 | if (rev->pending.nr != 2) | |
614 | die("Need exactly one range."); | |
615 | ||
616 | o1 = rev->pending.objects[0].item; | |
617 | flags1 = o1->flags; | |
618 | o2 = rev->pending.objects[1].item; | |
619 | flags2 = o2->flags; | |
620 | ||
621 | if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) | |
622 | die("Not a range."); | |
623 | ||
5d23e133 | 624 | init_patch_ids(ids); |
9c6efa36 JS |
625 | |
626 | /* given a range a..b get all patch ids for b..a */ | |
db6296a5 | 627 | init_revisions(&check_rev, prefix); |
9c6efa36 JS |
628 | o1->flags ^= UNINTERESTING; |
629 | o2->flags ^= UNINTERESTING; | |
630 | add_pending_object(&check_rev, o1, "o1"); | |
631 | add_pending_object(&check_rev, o2, "o2"); | |
3d51e1b5 MK |
632 | if (prepare_revision_walk(&check_rev)) |
633 | die("revision walk setup failed"); | |
9c6efa36 JS |
634 | |
635 | while ((commit = get_revision(&check_rev)) != NULL) { | |
636 | /* ignore merges */ | |
637 | if (commit->parents && commit->parents->next) | |
638 | continue; | |
639 | ||
5d23e133 | 640 | add_commit_patch_id(commit, ids); |
9c6efa36 JS |
641 | } |
642 | ||
643 | /* reset for next revision walk */ | |
81db0941 JS |
644 | clear_commit_marks((struct commit *)o1, |
645 | SEEN | UNINTERESTING | SHOWN | ADDED); | |
646 | clear_commit_marks((struct commit *)o2, | |
647 | SEEN | UNINTERESTING | SHOWN | ADDED); | |
9c6efa36 JS |
648 | o1->flags = flags1; |
649 | o2->flags = flags2; | |
650 | } | |
651 | ||
e1a37346 | 652 | static void gen_message_id(struct rev_info *info, char *base) |
d1566f78 | 653 | { |
774751a8 | 654 | const char *committer = git_committer_info(IDENT_WARN_ON_NO_NAME); |
d1566f78 JT |
655 | const char *email_start = strrchr(committer, '<'); |
656 | const char *email_end = strrchr(committer, '>'); | |
e1a37346 DB |
657 | struct strbuf buf; |
658 | if (!email_start || !email_end || email_start > email_end - 1) | |
d1566f78 | 659 | die("Could not extract email from committer identity."); |
e1a37346 DB |
660 | strbuf_init(&buf, 0); |
661 | strbuf_addf(&buf, "%s.%lu.git.%.*s", base, | |
662 | (unsigned long) time(NULL), | |
663 | (int)(email_end - email_start - 1), email_start + 1); | |
664 | info->message_id = strbuf_detach(&buf, NULL); | |
d1566f78 JT |
665 | } |
666 | ||
2bda2cf4 DB |
667 | static void make_cover_letter(struct rev_info *rev, int use_stdout, |
668 | int numbered, int numbered_files, | |
669 | struct commit *origin, | |
670 | int nr, struct commit **list, struct commit *head) | |
a5a27c79 DB |
671 | { |
672 | const char *committer; | |
39fe578b | 673 | char *head_sha1; |
a5a27c79 DB |
674 | const char *subject_start = NULL; |
675 | const char *body = "*** SUBJECT HERE ***\n\n*** BLURB HERE ***\n"; | |
676 | const char *msg; | |
677 | const char *extra_headers = rev->extra_headers; | |
2bda2cf4 | 678 | struct shortlog log; |
a5a27c79 | 679 | struct strbuf sb; |
2bda2cf4 | 680 | int i; |
a5a27c79 | 681 | const char *encoding = "utf-8"; |
39fe578b | 682 | struct diff_options opts; |
267123b4 | 683 | int need_8bit_cte = 0; |
a5a27c79 DB |
684 | |
685 | if (rev->commit_format != CMIT_FMT_EMAIL) | |
686 | die("Cover letter needs email format"); | |
687 | ||
688 | if (!use_stdout && reopen_stdout(numbered_files ? | |
689 | NULL : "cover-letter", 0, rev->total)) | |
690 | return; | |
691 | ||
a5a27c79 DB |
692 | head_sha1 = sha1_to_hex(head->object.sha1); |
693 | ||
267123b4 JH |
694 | log_write_email_headers(rev, head_sha1, &subject_start, &extra_headers, |
695 | &need_8bit_cte); | |
a5a27c79 DB |
696 | |
697 | committer = git_committer_info(0); | |
698 | ||
699 | msg = body; | |
700 | strbuf_init(&sb, 0); | |
701 | pp_user_info(NULL, CMIT_FMT_EMAIL, &sb, committer, DATE_RFC2822, | |
702 | encoding); | |
703 | pp_title_line(CMIT_FMT_EMAIL, &msg, &sb, subject_start, extra_headers, | |
267123b4 | 704 | encoding, need_8bit_cte); |
a5a27c79 DB |
705 | pp_remainder(CMIT_FMT_EMAIL, &msg, &sb, 0); |
706 | printf("%s\n", sb.buf); | |
707 | ||
708 | strbuf_release(&sb); | |
709 | ||
2bda2cf4 | 710 | shortlog_init(&log); |
859c4fbe JS |
711 | log.wrap_lines = 1; |
712 | log.wrap = 72; | |
713 | log.in1 = 2; | |
714 | log.in2 = 4; | |
2bda2cf4 DB |
715 | for (i = 0; i < nr; i++) |
716 | shortlog_add_commit(&log, list[i]); | |
717 | ||
718 | shortlog_output(&log); | |
719 | ||
a5a27c79 | 720 | /* |
2bda2cf4 | 721 | * We can only do diffstat with a unique reference point |
a5a27c79 DB |
722 | */ |
723 | if (!origin) | |
724 | return; | |
725 | ||
5d02294c JS |
726 | memcpy(&opts, &rev->diffopt, sizeof(opts)); |
727 | opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; | |
a5a27c79 | 728 | |
39fe578b DB |
729 | diff_setup_done(&opts); |
730 | ||
731 | diff_tree_sha1(origin->tree->object.sha1, | |
732 | head->tree->object.sha1, | |
733 | "", &opts); | |
734 | diffcore_std(&opts); | |
735 | diff_flush(&opts); | |
a5a27c79 | 736 | |
a5a27c79 | 737 | printf("\n"); |
d1566f78 JT |
738 | } |
739 | ||
8419d2ee JH |
740 | static const char *clean_message_id(const char *msg_id) |
741 | { | |
742 | char ch; | |
743 | const char *a, *z, *m; | |
8419d2ee JH |
744 | |
745 | m = msg_id; | |
746 | while ((ch = *m) && (isspace(ch) || (ch == '<'))) | |
747 | m++; | |
748 | a = m; | |
749 | z = NULL; | |
750 | while ((ch = *m)) { | |
751 | if (!isspace(ch) && (ch != '>')) | |
752 | z = m; | |
753 | m++; | |
754 | } | |
755 | if (!z) | |
756 | die("insane in-reply-to: %s", msg_id); | |
757 | if (++z == m) | |
758 | return a; | |
182af834 | 759 | return xmemdupz(a, z - a); |
8419d2ee JH |
760 | } |
761 | ||
a633fca0 | 762 | int cmd_format_patch(int argc, const char **argv, const char *prefix) |
91efcf60 JH |
763 | { |
764 | struct commit *commit; | |
765 | struct commit **list = NULL; | |
766 | struct rev_info rev; | |
2448482b | 767 | int nr = 0, total, i, j; |
0377db77 | 768 | int use_stdout = 0; |
fa0f02df | 769 | int start_number = -1; |
8ac80a57 | 770 | int keep_subject = 0; |
e6ff0f42 | 771 | int numbered_files = 0; /* _just_ numbers */ |
2d9e4a47 | 772 | int subject_prefix = 0; |
9c6efa36 | 773 | int ignore_if_in_upstream = 0; |
cc35de84 | 774 | int thread = 0; |
a5a27c79 | 775 | int cover_letter = 0; |
2bda2cf4 | 776 | int boundary_count = 0; |
37c22a4b | 777 | int no_binary_diff = 0; |
a5a27c79 | 778 | struct commit *origin = NULL, *head = NULL; |
76af0734 | 779 | const char *in_reply_to = NULL; |
5d23e133 | 780 | struct patch_ids ids; |
cf2251b6 | 781 | char *add_signoff = NULL; |
3ee79d9f | 782 | struct strbuf buf; |
91efcf60 | 783 | |
ef90d6d4 | 784 | git_config(git_format_config, NULL); |
db6296a5 | 785 | init_revisions(&rev, prefix); |
91efcf60 JH |
786 | rev.commit_format = CMIT_FMT_EMAIL; |
787 | rev.verbose_header = 1; | |
788 | rev.diff = 1; | |
91efcf60 JH |
789 | rev.combine_merges = 0; |
790 | rev.ignore_merges = 1; | |
8f67f8ae | 791 | DIFF_OPT_SET(&rev.diffopt, RECURSIVE); |
91efcf60 | 792 | |
dbd21447 | 793 | rev.subject_prefix = fmt_patch_subject_prefix; |
20ff0680 | 794 | |
2448482b JS |
795 | /* |
796 | * Parse the arguments before setup_revisions(), or something | |
2dc189a3 | 797 | * like "git format-patch -o a123 HEAD^.." may fail; a123 is |
2448482b JS |
798 | * possibly a valid SHA1. |
799 | */ | |
800 | for (i = 1, j = 1; i < argc; i++) { | |
801 | if (!strcmp(argv[i], "--stdout")) | |
0377db77 | 802 | use_stdout = 1; |
596524b3 JS |
803 | else if (!strcmp(argv[i], "-n") || |
804 | !strcmp(argv[i], "--numbered")) | |
805 | numbered = 1; | |
49604a4d BG |
806 | else if (!strcmp(argv[i], "-N") || |
807 | !strcmp(argv[i], "--no-numbered")) { | |
808 | numbered = 0; | |
809 | auto_number = 0; | |
810 | } | |
cc44c765 | 811 | else if (!prefixcmp(argv[i], "--start-number=")) |
fa0f02df | 812 | start_number = strtol(argv[i] + 15, NULL, 10); |
e6ff0f42 JL |
813 | else if (!strcmp(argv[i], "--numbered-files")) |
814 | numbered_files = 1; | |
fa0f02df JS |
815 | else if (!strcmp(argv[i], "--start-number")) { |
816 | i++; | |
817 | if (i == argc) | |
818 | die("Need a number for --start-number"); | |
819 | start_number = strtol(argv[i], NULL, 10); | |
cf2251b6 | 820 | } |
736cc67d DB |
821 | else if (!prefixcmp(argv[i], "--cc=")) { |
822 | ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc); | |
823 | extra_cc[extra_cc_nr++] = xstrdup(argv[i] + 5); | |
824 | } | |
cf2251b6 | 825 | else if (!strcmp(argv[i], "-k") || |
8ac80a57 JS |
826 | !strcmp(argv[i], "--keep-subject")) { |
827 | keep_subject = 1; | |
828 | rev.total = -1; | |
cf2251b6 | 829 | } |
efd02016 JH |
830 | else if (!strcmp(argv[i], "--output-directory") || |
831 | !strcmp(argv[i], "-o")) { | |
2448482b | 832 | i++; |
efd02016 JH |
833 | if (argc <= i) |
834 | die("Which directory?"); | |
835 | if (output_directory) | |
836 | die("Two output directories?"); | |
837 | output_directory = argv[i]; | |
698ce6f8 | 838 | } |
cf2251b6 JH |
839 | else if (!strcmp(argv[i], "--signoff") || |
840 | !strcmp(argv[i], "-s")) { | |
6c4cca1c EB |
841 | const char *committer; |
842 | const char *endpos; | |
774751a8 | 843 | committer = git_committer_info(IDENT_ERROR_ON_NO_NAME); |
6c4cca1c | 844 | endpos = strchr(committer, '>'); |
cf2251b6 JH |
845 | if (!endpos) |
846 | die("bogos committer info %s\n", committer); | |
182af834 | 847 | add_signoff = xmemdupz(committer, endpos - committer + 1); |
cf2251b6 | 848 | } |
c112f689 | 849 | else if (!strcmp(argv[i], "--attach")) { |
698ce6f8 | 850 | rev.mime_boundary = git_version_string; |
c112f689 JS |
851 | rev.no_inline = 1; |
852 | } | |
853 | else if (!prefixcmp(argv[i], "--attach=")) { | |
854 | rev.mime_boundary = argv[i] + 9; | |
855 | rev.no_inline = 1; | |
856 | } | |
857 | else if (!strcmp(argv[i], "--inline")) { | |
858 | rev.mime_boundary = git_version_string; | |
859 | rev.no_inline = 0; | |
860 | } | |
861 | else if (!prefixcmp(argv[i], "--inline=")) { | |
698ce6f8 | 862 | rev.mime_boundary = argv[i] + 9; |
c112f689 JS |
863 | rev.no_inline = 0; |
864 | } | |
9c6efa36 JS |
865 | else if (!strcmp(argv[i], "--ignore-if-in-upstream")) |
866 | ignore_if_in_upstream = 1; | |
cc35de84 JT |
867 | else if (!strcmp(argv[i], "--thread")) |
868 | thread = 1; | |
cc44c765 | 869 | else if (!prefixcmp(argv[i], "--in-reply-to=")) |
da56645d JT |
870 | in_reply_to = argv[i] + 14; |
871 | else if (!strcmp(argv[i], "--in-reply-to")) { | |
872 | i++; | |
873 | if (i == argc) | |
874 | die("Need a Message-Id for --in-reply-to"); | |
875 | in_reply_to = argv[i]; | |
2d9e4a47 RJ |
876 | } else if (!prefixcmp(argv[i], "--subject-prefix=")) { |
877 | subject_prefix = 1; | |
878 | rev.subject_prefix = argv[i] + 17; | |
879 | } else if (!prefixcmp(argv[i], "--suffix=")) | |
03eeaeae | 880 | fmt_patch_suffix = argv[i] + 9; |
a5a27c79 DB |
881 | else if (!strcmp(argv[i], "--cover-letter")) |
882 | cover_letter = 1; | |
37c22a4b CMOF |
883 | else if (!strcmp(argv[i], "--no-binary")) |
884 | no_binary_diff = 1; | |
698ce6f8 | 885 | else |
2448482b | 886 | argv[j++] = argv[i]; |
0377db77 | 887 | } |
2448482b JS |
888 | argc = j; |
889 | ||
3ee79d9f DB |
890 | strbuf_init(&buf, 0); |
891 | ||
892 | for (i = 0; i < extra_hdr_nr; i++) { | |
893 | strbuf_addstr(&buf, extra_hdr[i]); | |
894 | strbuf_addch(&buf, '\n'); | |
895 | } | |
896 | ||
897 | if (extra_to_nr) | |
898 | strbuf_addstr(&buf, "To: "); | |
899 | for (i = 0; i < extra_to_nr; i++) { | |
900 | if (i) | |
901 | strbuf_addstr(&buf, " "); | |
902 | strbuf_addstr(&buf, extra_to[i]); | |
903 | if (i + 1 < extra_to_nr) | |
904 | strbuf_addch(&buf, ','); | |
905 | strbuf_addch(&buf, '\n'); | |
906 | } | |
907 | ||
908 | if (extra_cc_nr) | |
909 | strbuf_addstr(&buf, "Cc: "); | |
910 | for (i = 0; i < extra_cc_nr; i++) { | |
911 | if (i) | |
912 | strbuf_addstr(&buf, " "); | |
913 | strbuf_addstr(&buf, extra_cc[i]); | |
914 | if (i + 1 < extra_cc_nr) | |
915 | strbuf_addch(&buf, ','); | |
916 | strbuf_addch(&buf, '\n'); | |
917 | } | |
918 | ||
919 | rev.extra_headers = strbuf_detach(&buf, 0); | |
920 | ||
add5c8a5 | 921 | if (start_number < 0) |
fa0f02df | 922 | start_number = 1; |
63b398a4 | 923 | if (numbered && keep_subject) |
8ac80a57 | 924 | die ("-n and -k are mutually exclusive."); |
2d9e4a47 RJ |
925 | if (keep_subject && subject_prefix) |
926 | die ("--subject-prefix and -k are mutually exclusive."); | |
e6ff0f42 JL |
927 | if (numbered_files && use_stdout) |
928 | die ("--numbered-files and --stdout are mutually exclusive."); | |
8ac80a57 | 929 | |
2448482b JS |
930 | argc = setup_revisions(argc, argv, &rev, "HEAD"); |
931 | if (argc > 1) | |
932 | die ("unrecognized argument: %s", argv[1]); | |
0377db77 | 933 | |
c9b5ef99 | 934 | if (!rev.diffopt.output_format) |
c261e438 | 935 | rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH; |
c9b5ef99 | 936 | |
37c22a4b | 937 | if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff) |
8f67f8ae | 938 | DIFF_OPT_SET(&rev.diffopt, BINARY); |
e47f306d | 939 | |
90f70a91 | 940 | if (!output_directory && !use_stdout) |
77e565d8 ML |
941 | output_directory = prefix; |
942 | ||
efd02016 JH |
943 | if (output_directory) { |
944 | if (use_stdout) | |
945 | die("standard output, or directory, which one?"); | |
946 | if (mkdir(output_directory, 0777) < 0 && errno != EEXIST) | |
947 | die("Could not create directory %s", | |
948 | output_directory); | |
949 | } | |
950 | ||
1f1e895f | 951 | if (rev.pending.nr == 1) { |
8a1d076e JH |
952 | if (rev.max_count < 0 && !rev.show_root_diff) { |
953 | /* | |
954 | * This is traditional behaviour of "git format-patch | |
955 | * origin" that prepares what the origin side still | |
956 | * does not have. | |
957 | */ | |
7c496280 | 958 | rev.pending.objects[0].item->flags |= UNINTERESTING; |
3384a2df | 959 | add_head_to_pending(&rev); |
7c496280 | 960 | } |
8a1d076e JH |
961 | /* |
962 | * Otherwise, it is "format-patch -22 HEAD", and/or | |
963 | * "format-patch --root HEAD". The user wants | |
964 | * get_revision() to do the usual traversal. | |
7c496280 | 965 | */ |
e686eb98 | 966 | } |
a5a27c79 DB |
967 | if (cover_letter) { |
968 | /* remember the range */ | |
a5a27c79 DB |
969 | int i; |
970 | for (i = 0; i < rev.pending.nr; i++) { | |
971 | struct object *o = rev.pending.objects[i].item; | |
2bda2cf4 | 972 | if (!(o->flags & UNINTERESTING)) |
a5a27c79 DB |
973 | head = (struct commit *)o; |
974 | } | |
a5a27c79 DB |
975 | /* We can't generate a cover letter without any patches */ |
976 | if (!head) | |
977 | return 0; | |
978 | } | |
e686eb98 | 979 | |
9c6efa36 | 980 | if (ignore_if_in_upstream) |
5d23e133 | 981 | get_patch_ids(&rev, &ids, prefix); |
9c6efa36 | 982 | |
81f3a188 | 983 | if (!use_stdout) |
f5788250 | 984 | realstdout = xfdopen(xdup(1), "w"); |
81f3a188 | 985 | |
3d51e1b5 MK |
986 | if (prepare_revision_walk(&rev)) |
987 | die("revision walk setup failed"); | |
2bda2cf4 | 988 | rev.boundary = 1; |
91efcf60 | 989 | while ((commit = get_revision(&rev)) != NULL) { |
2bda2cf4 | 990 | if (commit->object.flags & BOUNDARY) { |
2bda2cf4 DB |
991 | boundary_count++; |
992 | origin = (boundary_count == 1) ? commit : NULL; | |
993 | continue; | |
994 | } | |
995 | ||
0377db77 JS |
996 | /* ignore merges */ |
997 | if (commit->parents && commit->parents->next) | |
998 | continue; | |
9c6efa36 JS |
999 | |
1000 | if (ignore_if_in_upstream && | |
5d23e133 | 1001 | has_commit_patch_id(commit, &ids)) |
9c6efa36 JS |
1002 | continue; |
1003 | ||
91efcf60 | 1004 | nr++; |
83572c1a | 1005 | list = xrealloc(list, nr * sizeof(list[0])); |
91efcf60 JH |
1006 | list[nr - 1] = commit; |
1007 | } | |
0377db77 | 1008 | total = nr; |
49604a4d BG |
1009 | if (!keep_subject && auto_number && total > 1) |
1010 | numbered = 1; | |
596524b3 | 1011 | if (numbered) |
fa0f02df | 1012 | rev.total = total + start_number - 1; |
8419d2ee JH |
1013 | if (in_reply_to) |
1014 | rev.ref_message_id = clean_message_id(in_reply_to); | |
a5a27c79 DB |
1015 | if (cover_letter) { |
1016 | if (thread) | |
1017 | gen_message_id(&rev, "cover"); | |
1018 | make_cover_letter(&rev, use_stdout, numbered, numbered_files, | |
2bda2cf4 | 1019 | origin, nr, list, head); |
a5a27c79 DB |
1020 | total++; |
1021 | start_number--; | |
1022 | } | |
1023 | rev.add_signoff = add_signoff; | |
91efcf60 JH |
1024 | while (0 <= --nr) { |
1025 | int shown; | |
1026 | commit = list[nr]; | |
add5c8a5 | 1027 | rev.nr = total - nr + (start_number - 1); |
d1566f78 | 1028 | /* Make the second and subsequent mails replies to the first */ |
cc35de84 | 1029 | if (thread) { |
a5a27c79 | 1030 | /* Have we already had a message ID? */ |
e1a37346 | 1031 | if (rev.message_id) { |
a5a27c79 DB |
1032 | /* |
1033 | * If we've got the ID to be a reply | |
1034 | * to, discard the current ID; | |
1035 | * otherwise, make everything a reply | |
1036 | * to that. | |
1037 | */ | |
e1a37346 DB |
1038 | if (rev.ref_message_id) |
1039 | free(rev.message_id); | |
1040 | else | |
1041 | rev.ref_message_id = rev.message_id; | |
cc35de84 | 1042 | } |
e1a37346 | 1043 | gen_message_id(&rev, sha1_to_hex(commit->object.sha1)); |
d1566f78 | 1044 | } |
a5a27c79 DB |
1045 | if (!use_stdout && reopen_stdout(numbered_files ? NULL : |
1046 | get_oneline_for_filename(commit, keep_subject), | |
1047 | rev.nr, rev.total)) | |
1048 | die("Failed to create output files"); | |
91efcf60 JH |
1049 | shown = log_tree_commit(&rev, commit); |
1050 | free(commit->buffer); | |
1051 | commit->buffer = NULL; | |
add5c8a5 JH |
1052 | |
1053 | /* We put one extra blank line between formatted | |
1054 | * patches and this flag is used by log-tree code | |
1055 | * to see if it needs to emit a LF before showing | |
1056 | * the log; when using one file per patch, we do | |
1057 | * not want the extra blank line. | |
1058 | */ | |
1059 | if (!use_stdout) | |
1060 | rev.shown_one = 0; | |
698ce6f8 JS |
1061 | if (shown) { |
1062 | if (rev.mime_boundary) | |
1063 | printf("\n--%s%s--\n\n\n", | |
1064 | mime_boundary_leader, | |
1065 | rev.mime_boundary); | |
1066 | else | |
1067 | printf("-- \n%s\n\n", git_version_string); | |
1068 | } | |
0377db77 JS |
1069 | if (!use_stdout) |
1070 | fclose(stdout); | |
91efcf60 JH |
1071 | } |
1072 | free(list); | |
5d23e133 JH |
1073 | if (ignore_if_in_upstream) |
1074 | free_patch_ids(&ids); | |
91efcf60 JH |
1075 | return 0; |
1076 | } | |
1077 | ||
e827633a RS |
1078 | static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) |
1079 | { | |
1080 | unsigned char sha1[20]; | |
1081 | if (get_sha1(arg, sha1) == 0) { | |
1082 | struct commit *commit = lookup_commit_reference(sha1); | |
1083 | if (commit) { | |
1084 | commit->object.flags |= flags; | |
1085 | add_pending_object(revs, &commit->object, arg); | |
1086 | return 0; | |
1087 | } | |
1088 | } | |
1089 | return -1; | |
1090 | } | |
1091 | ||
1092 | static const char cherry_usage[] = | |
1093 | "git-cherry [-v] <upstream> [<head>] [<limit>]"; | |
1094 | int cmd_cherry(int argc, const char **argv, const char *prefix) | |
1095 | { | |
1096 | struct rev_info revs; | |
5d23e133 | 1097 | struct patch_ids ids; |
e827633a RS |
1098 | struct commit *commit; |
1099 | struct commit_list *list = NULL; | |
1100 | const char *upstream; | |
1101 | const char *head = "HEAD"; | |
1102 | const char *limit = NULL; | |
1103 | int verbose = 0; | |
1104 | ||
1105 | if (argc > 1 && !strcmp(argv[1], "-v")) { | |
1106 | verbose = 1; | |
1107 | argc--; | |
1108 | argv++; | |
1109 | } | |
1110 | ||
1111 | switch (argc) { | |
1112 | case 4: | |
1113 | limit = argv[3]; | |
1114 | /* FALLTHROUGH */ | |
1115 | case 3: | |
1116 | head = argv[2]; | |
1117 | /* FALLTHROUGH */ | |
1118 | case 2: | |
1119 | upstream = argv[1]; | |
1120 | break; | |
1121 | default: | |
1122 | usage(cherry_usage); | |
1123 | } | |
1124 | ||
1125 | init_revisions(&revs, prefix); | |
1126 | revs.diff = 1; | |
1127 | revs.combine_merges = 0; | |
1128 | revs.ignore_merges = 1; | |
8f67f8ae | 1129 | DIFF_OPT_SET(&revs.diffopt, RECURSIVE); |
e827633a RS |
1130 | |
1131 | if (add_pending_commit(head, &revs, 0)) | |
1132 | die("Unknown commit %s", head); | |
1133 | if (add_pending_commit(upstream, &revs, UNINTERESTING)) | |
1134 | die("Unknown commit %s", upstream); | |
1135 | ||
1136 | /* Don't say anything if head and upstream are the same. */ | |
1137 | if (revs.pending.nr == 2) { | |
1138 | struct object_array_entry *o = revs.pending.objects; | |
1139 | if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0) | |
1140 | return 0; | |
1141 | } | |
1142 | ||
5d23e133 | 1143 | get_patch_ids(&revs, &ids, prefix); |
e827633a RS |
1144 | |
1145 | if (limit && add_pending_commit(limit, &revs, UNINTERESTING)) | |
1146 | die("Unknown commit %s", limit); | |
1147 | ||
1148 | /* reverse the list of commits */ | |
3d51e1b5 MK |
1149 | if (prepare_revision_walk(&revs)) |
1150 | die("revision walk setup failed"); | |
e827633a RS |
1151 | while ((commit = get_revision(&revs)) != NULL) { |
1152 | /* ignore merges */ | |
1153 | if (commit->parents && commit->parents->next) | |
1154 | continue; | |
1155 | ||
1156 | commit_list_insert(commit, &list); | |
1157 | } | |
1158 | ||
1159 | while (list) { | |
e827633a RS |
1160 | char sign = '+'; |
1161 | ||
1162 | commit = list->item; | |
5d23e133 | 1163 | if (has_commit_patch_id(commit, &ids)) |
e827633a RS |
1164 | sign = '-'; |
1165 | ||
1166 | if (verbose) { | |
674d1727 PH |
1167 | struct strbuf buf; |
1168 | strbuf_init(&buf, 0); | |
1169 | pretty_print_commit(CMIT_FMT_ONELINE, commit, | |
4593fb84 | 1170 | &buf, 0, NULL, NULL, 0, 0); |
e827633a | 1171 | printf("%c %s %s\n", sign, |
674d1727 PH |
1172 | sha1_to_hex(commit->object.sha1), buf.buf); |
1173 | strbuf_release(&buf); | |
e827633a RS |
1174 | } |
1175 | else { | |
1176 | printf("%c %s\n", sign, | |
1177 | sha1_to_hex(commit->object.sha1)); | |
1178 | } | |
1179 | ||
1180 | list = list->next; | |
1181 | } | |
1182 | ||
5d23e133 | 1183 | free_patch_ids(&ids); |
e827633a RS |
1184 | return 0; |
1185 | } |