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Commit | Line | Data |
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25f38f06 | 1 | #include "builtin.h" |
00449f99 | 2 | #include "cache.h" |
fb58c8d5 | 3 | #include "refs.h" |
00449f99 JS |
4 | #include "commit.h" |
5 | #include "diff.h" | |
6 | #include "revision.h" | |
7 | #include "tag.h" | |
fcb243f7 | 8 | #include "string-list.h" |
898eacd8 JH |
9 | #include "branch.h" |
10 | #include "fmt-merge-msg.h" | |
895680f0 | 11 | #include "gpg-interface.h" |
00449f99 | 12 | |
c8ef0383 | 13 | static const char * const fmt_merge_msg_usage[] = { |
9c9b4f2f | 14 | N_("git fmt-merge-msg [-m <message>] [--log[=<n>] | --no-log] [--file <file>]"), |
c8ef0383 PH |
15 | NULL |
16 | }; | |
00449f99 | 17 | |
898eacd8 | 18 | static int use_branch_desc; |
00449f99 | 19 | |
898eacd8 | 20 | int fmt_merge_msg_config(const char *key, const char *value, void *cb) |
00449f99 | 21 | { |
bda3b8ff RR |
22 | if (!strcmp(key, "merge.log") || !strcmp(key, "merge.summary")) { |
23 | int is_bool; | |
898eacd8 JH |
24 | merge_log_config = git_config_bool_or_int(key, value, &is_bool); |
25 | if (!is_bool && merge_log_config < 0) | |
bda3b8ff | 26 | return error("%s: negative length %s", key, value); |
898eacd8 JH |
27 | if (is_bool && merge_log_config) |
28 | merge_log_config = DEFAULT_MERGE_LOG_LEN; | |
29 | } else if (!strcmp(key, "merge.branchdesc")) { | |
30 | use_branch_desc = git_config_bool(key, value); | |
418a1435 JH |
31 | } else { |
32 | return git_default_config(key, value, cb); | |
6cd9cfef | 33 | } |
00449f99 JS |
34 | return 0; |
35 | } | |
36 | ||
4c0ea82d | 37 | /* merge data per repository where the merged tips came from */ |
fcb243f7 SB |
38 | struct src_data { |
39 | struct string_list branch, tag, r_branch, generic; | |
40 | int head_status; | |
00449f99 JS |
41 | }; |
42 | ||
898eacd8 JH |
43 | struct origin_data { |
44 | unsigned char sha1[20]; | |
90a321c0 | 45 | unsigned is_local_branch:1; |
898eacd8 JH |
46 | }; |
47 | ||
c2e86add | 48 | static void init_src_data(struct src_data *data) |
00449f99 | 49 | { |
fcb243f7 SB |
50 | data->branch.strdup_strings = 1; |
51 | data->tag.strdup_strings = 1; | |
52 | data->r_branch.strdup_strings = 1; | |
53 | data->generic.strdup_strings = 1; | |
00449f99 JS |
54 | } |
55 | ||
183113a5 TF |
56 | static struct string_list srcs = STRING_LIST_INIT_DUP; |
57 | static struct string_list origins = STRING_LIST_INIT_DUP; | |
00449f99 | 58 | |
5802f81b JH |
59 | struct merge_parents { |
60 | int alloc, nr; | |
61 | struct merge_parent { | |
62 | unsigned char given[20]; | |
63 | unsigned char commit[20]; | |
64 | unsigned char used; | |
65 | } *item; | |
66 | }; | |
67 | ||
68 | /* | |
69 | * I know, I know, this is inefficient, but you won't be pulling and merging | |
70 | * hundreds of heads at a time anyway. | |
71 | */ | |
72 | static struct merge_parent *find_merge_parent(struct merge_parents *table, | |
73 | unsigned char *given, | |
74 | unsigned char *commit) | |
75 | { | |
76 | int i; | |
77 | for (i = 0; i < table->nr; i++) { | |
78 | if (given && hashcmp(table->item[i].given, given)) | |
79 | continue; | |
80 | if (commit && hashcmp(table->item[i].commit, commit)) | |
81 | continue; | |
82 | return &table->item[i]; | |
83 | } | |
84 | return NULL; | |
85 | } | |
86 | ||
87 | static void add_merge_parent(struct merge_parents *table, | |
88 | unsigned char *given, | |
89 | unsigned char *commit) | |
90 | { | |
91 | if (table->nr && find_merge_parent(table, given, commit)) | |
92 | return; | |
93 | ALLOC_GROW(table->item, table->nr + 1, table->alloc); | |
94 | hashcpy(table->item[table->nr].given, given); | |
95 | hashcpy(table->item[table->nr].commit, commit); | |
96 | table->item[table->nr].used = 0; | |
97 | table->nr++; | |
98 | } | |
99 | ||
100 | static int handle_line(char *line, struct merge_parents *merge_parents) | |
00449f99 JS |
101 | { |
102 | int i, len = strlen(line); | |
898eacd8 | 103 | struct origin_data *origin_data; |
95b567c7 JK |
104 | char *src; |
105 | const char *origin; | |
00449f99 | 106 | struct src_data *src_data; |
fcb243f7 | 107 | struct string_list_item *item; |
e918c6ab | 108 | int pulling_head = 0; |
5802f81b | 109 | unsigned char sha1[20]; |
00449f99 JS |
110 | |
111 | if (len < 43 || line[40] != '\t') | |
112 | return 1; | |
113 | ||
59556548 | 114 | if (starts_with(line + 41, "not-for-merge")) |
00449f99 JS |
115 | return 0; |
116 | ||
117 | if (line[41] != '\t') | |
118 | return 2; | |
119 | ||
5802f81b JH |
120 | i = get_sha1_hex(line, sha1); |
121 | if (i) | |
00449f99 | 122 | return 3; |
5802f81b JH |
123 | |
124 | if (!find_merge_parent(merge_parents, sha1, NULL)) | |
125 | return 0; /* subsumed by other parents */ | |
126 | ||
127 | origin_data = xcalloc(1, sizeof(struct origin_data)); | |
128 | hashcpy(origin_data->sha1, sha1); | |
00449f99 JS |
129 | |
130 | if (line[len - 1] == '\n') | |
131 | line[len - 1] = 0; | |
132 | line += 42; | |
133 | ||
4c0ea82d JH |
134 | /* |
135 | * At this point, line points at the beginning of comment e.g. | |
136 | * "branch 'frotz' of git://that/repository.git". | |
137 | * Find the repository name and point it with src. | |
138 | */ | |
00449f99 JS |
139 | src = strstr(line, " of "); |
140 | if (src) { | |
141 | *src = 0; | |
142 | src += 4; | |
e918c6ab JH |
143 | pulling_head = 0; |
144 | } else { | |
145 | src = line; | |
146 | pulling_head = 1; | |
147 | } | |
00449f99 | 148 | |
fcb243f7 SB |
149 | item = unsorted_string_list_lookup(&srcs, src); |
150 | if (!item) { | |
1d2f80fa | 151 | item = string_list_append(&srcs, src); |
fcb243f7 SB |
152 | item->util = xcalloc(1, sizeof(struct src_data)); |
153 | init_src_data(item->util); | |
00449f99 | 154 | } |
fcb243f7 | 155 | src_data = item->util; |
00449f99 | 156 | |
e918c6ab | 157 | if (pulling_head) { |
fcb243f7 | 158 | origin = src; |
e918c6ab | 159 | src_data->head_status |= 1; |
59556548 | 160 | } else if (starts_with(line, "branch ")) { |
898eacd8 | 161 | origin_data->is_local_branch = 1; |
fcb243f7 | 162 | origin = line + 7; |
1d2f80fa | 163 | string_list_append(&src_data->branch, origin); |
00449f99 | 164 | src_data->head_status |= 2; |
59556548 | 165 | } else if (starts_with(line, "tag ")) { |
00449f99 | 166 | origin = line; |
1d2f80fa | 167 | string_list_append(&src_data->tag, origin + 4); |
00449f99 | 168 | src_data->head_status |= 2; |
95b567c7 | 169 | } else if (skip_prefix(line, "remote-tracking branch ", &origin)) { |
1d2f80fa | 170 | string_list_append(&src_data->r_branch, origin); |
00449f99 | 171 | src_data->head_status |= 2; |
00449f99 | 172 | } else { |
fcb243f7 | 173 | origin = src; |
1d2f80fa | 174 | string_list_append(&src_data->generic, line); |
00449f99 JS |
175 | src_data->head_status |= 2; |
176 | } | |
177 | ||
178 | if (!strcmp(".", src) || !strcmp(src, origin)) { | |
179 | int len = strlen(origin); | |
fcb243f7 | 180 | if (origin[0] == '\'' && origin[len - 1] == '\'') |
182af834 | 181 | origin = xmemdupz(origin + 1, len - 2); |
28310186 JK |
182 | } else |
183 | origin = xstrfmt("%s of %s", origin, src); | |
898eacd8 JH |
184 | if (strcmp(".", src)) |
185 | origin_data->is_local_branch = 0; | |
186 | string_list_append(&origins, origin)->util = origin_data; | |
00449f99 JS |
187 | return 0; |
188 | } | |
189 | ||
190 | static void print_joined(const char *singular, const char *plural, | |
fcb243f7 | 191 | struct string_list *list, struct strbuf *out) |
00449f99 JS |
192 | { |
193 | if (list->nr == 0) | |
194 | return; | |
195 | if (list->nr == 1) { | |
fcb243f7 | 196 | strbuf_addf(out, "%s%s", singular, list->items[0].string); |
00449f99 JS |
197 | } else { |
198 | int i; | |
0b9a969e | 199 | strbuf_addstr(out, plural); |
00449f99 | 200 | for (i = 0; i < list->nr - 1; i++) |
fcb243f7 SB |
201 | strbuf_addf(out, "%s%s", i > 0 ? ", " : "", |
202 | list->items[i].string); | |
203 | strbuf_addf(out, " and %s", list->items[list->nr - 1].string); | |
00449f99 JS |
204 | } |
205 | } | |
206 | ||
898eacd8 JH |
207 | static void add_branch_desc(struct strbuf *out, const char *name) |
208 | { | |
209 | struct strbuf desc = STRBUF_INIT; | |
210 | ||
211 | if (!read_branch_desc(&desc, name)) { | |
212 | const char *bp = desc.buf; | |
213 | while (*bp) { | |
214 | const char *ep = strchrnul(bp, '\n'); | |
215 | if (*ep) | |
216 | ep++; | |
217 | strbuf_addf(out, " : %.*s", (int)(ep - bp), bp); | |
218 | bp = ep; | |
219 | } | |
a0d4923d | 220 | strbuf_complete_line(out); |
898eacd8 JH |
221 | } |
222 | strbuf_release(&desc); | |
223 | } | |
224 | ||
418a1435 JH |
225 | #define util_as_integral(elem) ((intptr_t)((elem)->util)) |
226 | ||
1154aa42 JH |
227 | static void record_person_from_buf(int which, struct string_list *people, |
228 | const char *buffer) | |
418a1435 | 229 | { |
e21ab134 | 230 | char *name_buf, *name, *name_end; |
418a1435 | 231 | struct string_list_item *elem; |
9bcbb1c2 | 232 | const char *field; |
418a1435 | 233 | |
9bcbb1c2 | 234 | field = (which == 'a') ? "\nauthor " : "\ncommitter "; |
bc6b8fc1 | 235 | name = strstr(buffer, field); |
418a1435 JH |
236 | if (!name) |
237 | return; | |
238 | name += strlen(field); | |
239 | name_end = strchrnul(name, '<'); | |
240 | if (*name_end) | |
241 | name_end--; | |
242 | while (isspace(*name_end) && name <= name_end) | |
243 | name_end--; | |
e21ab134 | 244 | if (name_end < name) |
418a1435 | 245 | return; |
e21ab134 | 246 | name_buf = xmemdupz(name, name_end - name + 1); |
418a1435 JH |
247 | |
248 | elem = string_list_lookup(people, name_buf); | |
249 | if (!elem) { | |
250 | elem = string_list_insert(people, name_buf); | |
251 | elem->util = (void *)0; | |
252 | } | |
253 | elem->util = (void*)(util_as_integral(elem) + 1); | |
e21ab134 | 254 | free(name_buf); |
418a1435 JH |
255 | } |
256 | ||
1154aa42 JH |
257 | |
258 | static void record_person(int which, struct string_list *people, | |
259 | struct commit *commit) | |
260 | { | |
789e98df | 261 | const char *buffer = get_commit_buffer(commit, NULL); |
1154aa42 JH |
262 | record_person_from_buf(which, people, buffer); |
263 | unuse_commit_buffer(commit, buffer); | |
264 | } | |
265 | ||
418a1435 JH |
266 | static int cmp_string_list_util_as_integral(const void *a_, const void *b_) |
267 | { | |
268 | const struct string_list_item *a = a_, *b = b_; | |
269 | return util_as_integral(b) - util_as_integral(a); | |
270 | } | |
271 | ||
272 | static void add_people_count(struct strbuf *out, struct string_list *people) | |
273 | { | |
274 | if (people->nr == 1) | |
275 | strbuf_addf(out, "%s", people->items[0].string); | |
276 | else if (people->nr == 2) | |
277 | strbuf_addf(out, "%s (%d) and %s (%d)", | |
278 | people->items[0].string, | |
279 | (int)util_as_integral(&people->items[0]), | |
280 | people->items[1].string, | |
281 | (int)util_as_integral(&people->items[1])); | |
282 | else if (people->nr) | |
283 | strbuf_addf(out, "%s (%d) and others", | |
284 | people->items[0].string, | |
285 | (int)util_as_integral(&people->items[0])); | |
286 | } | |
287 | ||
288 | static void credit_people(struct strbuf *out, | |
289 | struct string_list *them, | |
290 | int kind) | |
291 | { | |
292 | const char *label; | |
293 | const char *me; | |
294 | ||
295 | if (kind == 'a') { | |
9927ebed | 296 | label = "By"; |
418a1435 JH |
297 | me = git_author_info(IDENT_NO_DATE); |
298 | } else { | |
9927ebed | 299 | label = "Via"; |
418a1435 JH |
300 | me = git_committer_info(IDENT_NO_DATE); |
301 | } | |
302 | ||
303 | if (!them->nr || | |
304 | (them->nr == 1 && | |
305 | me && | |
cf4fff57 | 306 | skip_prefix(me, them->items->string, &me) && |
c0264180 | 307 | starts_with(me, " <"))) |
418a1435 | 308 | return; |
9927ebed | 309 | strbuf_addf(out, "\n%c %s ", comment_line_char, label); |
418a1435 JH |
310 | add_people_count(out, them); |
311 | } | |
312 | ||
313 | static void add_people_info(struct strbuf *out, | |
314 | struct string_list *authors, | |
315 | struct string_list *committers) | |
316 | { | |
317 | if (authors->nr) | |
318 | qsort(authors->items, | |
319 | authors->nr, sizeof(authors->items[0]), | |
320 | cmp_string_list_util_as_integral); | |
321 | if (committers->nr) | |
322 | qsort(committers->items, | |
323 | committers->nr, sizeof(committers->items[0]), | |
324 | cmp_string_list_util_as_integral); | |
325 | ||
326 | credit_people(out, authors, 'a'); | |
327 | credit_people(out, committers, 'c'); | |
328 | } | |
329 | ||
898eacd8 JH |
330 | static void shortlog(const char *name, |
331 | struct origin_data *origin_data, | |
332 | struct commit *head, | |
9bcbb1c2 JH |
333 | struct rev_info *rev, |
334 | struct fmt_merge_msg_opts *opts, | |
898eacd8 | 335 | struct strbuf *out) |
00449f99 JS |
336 | { |
337 | int i, count = 0; | |
338 | struct commit *commit; | |
339 | struct object *branch; | |
183113a5 | 340 | struct string_list subjects = STRING_LIST_INIT_DUP; |
418a1435 JH |
341 | struct string_list authors = STRING_LIST_INIT_DUP; |
342 | struct string_list committers = STRING_LIST_INIT_DUP; | |
7dc0fe3b | 343 | int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED; |
15cb5007 | 344 | struct strbuf sb = STRBUF_INIT; |
898eacd8 | 345 | const unsigned char *sha1 = origin_data->sha1; |
9bcbb1c2 | 346 | int limit = opts->shortlog_len; |
00449f99 JS |
347 | |
348 | branch = deref_tag(parse_object(sha1), sha1_to_hex(sha1), 40); | |
1974632c | 349 | if (!branch || branch->type != OBJ_COMMIT) |
00449f99 JS |
350 | return; |
351 | ||
352 | setup_revisions(0, NULL, rev, NULL); | |
00449f99 JS |
353 | add_pending_object(rev, branch, name); |
354 | add_pending_object(rev, &head->object, "^HEAD"); | |
355 | head->object.flags |= UNINTERESTING; | |
3d51e1b5 MK |
356 | if (prepare_revision_walk(rev)) |
357 | die("revision walk setup failed"); | |
00449f99 | 358 | while ((commit = get_revision(rev)) != NULL) { |
15cb5007 | 359 | struct pretty_print_context ctx = {0}; |
00449f99 | 360 | |
418a1435 JH |
361 | if (commit->parents && commit->parents->next) { |
362 | /* do not list a merge but count committer */ | |
9bcbb1c2 JH |
363 | if (opts->credit_people) |
364 | record_person('c', &committers, commit); | |
00449f99 | 365 | continue; |
418a1435 | 366 | } |
9bcbb1c2 | 367 | if (!count && opts->credit_people) |
418a1435 JH |
368 | /* the 'tip' committer */ |
369 | record_person('c', &committers, commit); | |
9bcbb1c2 JH |
370 | if (opts->credit_people) |
371 | record_person('a', &authors, commit); | |
00449f99 JS |
372 | count++; |
373 | if (subjects.nr > limit) | |
374 | continue; | |
375 | ||
15cb5007 SB |
376 | format_commit_message(commit, "%s", &sb, &ctx); |
377 | strbuf_ltrim(&sb); | |
6a28518a | 378 | |
15cb5007 | 379 | if (!sb.len) |
1d2f80fa | 380 | string_list_append(&subjects, |
f2fd0760 | 381 | oid_to_hex(&commit->object.oid)); |
15cb5007 | 382 | else |
1d2f80fa | 383 | string_list_append(&subjects, strbuf_detach(&sb, NULL)); |
00449f99 JS |
384 | } |
385 | ||
9bcbb1c2 JH |
386 | if (opts->credit_people) |
387 | add_people_info(out, &authors, &committers); | |
00449f99 | 388 | if (count > limit) |
0b9a969e | 389 | strbuf_addf(out, "\n* %s: (%d commits)\n", name, count); |
00449f99 | 390 | else |
0b9a969e | 391 | strbuf_addf(out, "\n* %s:\n", name); |
00449f99 | 392 | |
898eacd8 JH |
393 | if (origin_data->is_local_branch && use_branch_desc) |
394 | add_branch_desc(out, name); | |
395 | ||
00449f99 JS |
396 | for (i = 0; i < subjects.nr; i++) |
397 | if (i >= limit) | |
0b9a969e | 398 | strbuf_addf(out, " ...\n"); |
00449f99 | 399 | else |
fcb243f7 | 400 | strbuf_addf(out, " %s\n", subjects.items[i].string); |
00449f99 JS |
401 | |
402 | clear_commit_marks((struct commit *)branch, flags); | |
403 | clear_commit_marks(head, flags); | |
404 | free_commit_list(rev->commits); | |
405 | rev->commits = NULL; | |
406 | rev->pending.nr = 0; | |
407 | ||
418a1435 JH |
408 | string_list_clear(&authors, 0); |
409 | string_list_clear(&committers, 0); | |
fcb243f7 | 410 | string_list_clear(&subjects, 0); |
00449f99 JS |
411 | } |
412 | ||
cbda121c | 413 | static void fmt_merge_msg_title(struct strbuf *out, |
403994e8 TRC |
414 | const char *current_branch) { |
415 | int i = 0; | |
fd13b21f | 416 | char *sep = ""; |
419fe5bc | 417 | |
0b9a969e | 418 | strbuf_addstr(out, "Merge "); |
00449f99 | 419 | for (i = 0; i < srcs.nr; i++) { |
fcb243f7 | 420 | struct src_data *src_data = srcs.items[i].util; |
00449f99 JS |
421 | const char *subsep = ""; |
422 | ||
0b9a969e | 423 | strbuf_addstr(out, sep); |
00449f99 JS |
424 | sep = "; "; |
425 | ||
426 | if (src_data->head_status == 1) { | |
fcb243f7 | 427 | strbuf_addstr(out, srcs.items[i].string); |
00449f99 JS |
428 | continue; |
429 | } | |
430 | if (src_data->head_status == 3) { | |
431 | subsep = ", "; | |
0b9a969e | 432 | strbuf_addstr(out, "HEAD"); |
00449f99 JS |
433 | } |
434 | if (src_data->branch.nr) { | |
0b9a969e | 435 | strbuf_addstr(out, subsep); |
00449f99 | 436 | subsep = ", "; |
0b9a969e MV |
437 | print_joined("branch ", "branches ", &src_data->branch, |
438 | out); | |
00449f99 JS |
439 | } |
440 | if (src_data->r_branch.nr) { | |
0b9a969e | 441 | strbuf_addstr(out, subsep); |
00449f99 | 442 | subsep = ", "; |
13931236 | 443 | print_joined("remote-tracking branch ", "remote-tracking branches ", |
0b9a969e | 444 | &src_data->r_branch, out); |
00449f99 JS |
445 | } |
446 | if (src_data->tag.nr) { | |
0b9a969e | 447 | strbuf_addstr(out, subsep); |
00449f99 | 448 | subsep = ", "; |
0b9a969e | 449 | print_joined("tag ", "tags ", &src_data->tag, out); |
00449f99 JS |
450 | } |
451 | if (src_data->generic.nr) { | |
0b9a969e MV |
452 | strbuf_addstr(out, subsep); |
453 | print_joined("commit ", "commits ", &src_data->generic, | |
454 | out); | |
00449f99 | 455 | } |
fcb243f7 SB |
456 | if (strcmp(".", srcs.items[i].string)) |
457 | strbuf_addf(out, " of %s", srcs.items[i].string); | |
00449f99 JS |
458 | } |
459 | ||
460 | if (!strcmp("master", current_branch)) | |
0b9a969e | 461 | strbuf_addch(out, '\n'); |
00449f99 | 462 | else |
0b9a969e | 463 | strbuf_addf(out, " into %s\n", current_branch); |
403994e8 TRC |
464 | } |
465 | ||
895680f0 JH |
466 | static void fmt_tag_signature(struct strbuf *tagbuf, |
467 | struct strbuf *sig, | |
468 | const char *buf, | |
469 | unsigned long len) | |
470 | { | |
471 | const char *tag_body = strstr(buf, "\n\n"); | |
472 | if (tag_body) { | |
473 | tag_body += 2; | |
474 | strbuf_add(tagbuf, tag_body, buf + len - tag_body); | |
475 | } | |
476 | strbuf_complete_line(tagbuf); | |
a3347b98 LT |
477 | if (sig->len) { |
478 | strbuf_addch(tagbuf, '\n'); | |
eff80a9f | 479 | strbuf_add_commented_lines(tagbuf, sig->buf, sig->len); |
a3347b98 | 480 | } |
895680f0 JH |
481 | } |
482 | ||
483 | static void fmt_merge_msg_sigs(struct strbuf *out) | |
484 | { | |
485 | int i, tag_number = 0, first_tag = 0; | |
486 | struct strbuf tagbuf = STRBUF_INIT; | |
487 | ||
488 | for (i = 0; i < origins.nr; i++) { | |
489 | unsigned char *sha1 = origins.items[i].util; | |
490 | enum object_type type; | |
491 | unsigned long size, len; | |
492 | char *buf = read_sha1_file(sha1, &type, &size); | |
493 | struct strbuf sig = STRBUF_INIT; | |
494 | ||
495 | if (!buf || type != OBJ_TAG) | |
496 | goto next; | |
497 | len = parse_signature(buf, size); | |
498 | ||
499 | if (size == len) | |
500 | ; /* merely annotated */ | |
9cc4ac8f | 501 | else if (verify_signed_buffer(buf, len, buf + len, size - len, &sig, NULL)) { |
895680f0 JH |
502 | if (!sig.len) |
503 | strbuf_addstr(&sig, "gpg verification failed.\n"); | |
504 | } | |
505 | ||
506 | if (!tag_number++) { | |
507 | fmt_tag_signature(&tagbuf, &sig, buf, len); | |
508 | first_tag = i; | |
509 | } else { | |
510 | if (tag_number == 2) { | |
511 | struct strbuf tagline = STRBUF_INIT; | |
89c3bbd8 RT |
512 | strbuf_addch(&tagline, '\n'); |
513 | strbuf_add_commented_lines(&tagline, | |
514 | origins.items[first_tag].string, | |
515 | strlen(origins.items[first_tag].string)); | |
895680f0 JH |
516 | strbuf_insert(&tagbuf, 0, tagline.buf, |
517 | tagline.len); | |
518 | strbuf_release(&tagline); | |
519 | } | |
89c3bbd8 RT |
520 | strbuf_addch(&tagbuf, '\n'); |
521 | strbuf_add_commented_lines(&tagbuf, | |
522 | origins.items[i].string, | |
523 | strlen(origins.items[i].string)); | |
895680f0 JH |
524 | fmt_tag_signature(&tagbuf, &sig, buf, len); |
525 | } | |
526 | strbuf_release(&sig); | |
527 | next: | |
528 | free(buf); | |
529 | } | |
530 | if (tagbuf.len) { | |
531 | strbuf_addch(out, '\n'); | |
532 | strbuf_addbuf(out, &tagbuf); | |
533 | } | |
534 | strbuf_release(&tagbuf); | |
535 | } | |
536 | ||
5802f81b JH |
537 | static void find_merge_parents(struct merge_parents *result, |
538 | struct strbuf *in, unsigned char *head) | |
539 | { | |
e510ab89 | 540 | struct commit_list *parents; |
5802f81b JH |
541 | struct commit *head_commit; |
542 | int pos = 0, i, j; | |
543 | ||
544 | parents = NULL; | |
545 | while (pos < in->len) { | |
546 | int len; | |
547 | char *p = in->buf + pos; | |
548 | char *newline = strchr(p, '\n'); | |
549 | unsigned char sha1[20]; | |
550 | struct commit *parent; | |
551 | struct object *obj; | |
552 | ||
553 | len = newline ? newline - p : strlen(p); | |
554 | pos += len + !!newline; | |
555 | ||
556 | if (len < 43 || | |
557 | get_sha1_hex(p, sha1) || | |
558 | p[40] != '\t' || | |
559 | p[41] != '\t') | |
560 | continue; /* skip not-for-merge */ | |
561 | /* | |
562 | * Do not use get_merge_parent() here; we do not have | |
563 | * "name" here and we do not want to contaminate its | |
564 | * util field yet. | |
565 | */ | |
566 | obj = parse_object(sha1); | |
567 | parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT); | |
568 | if (!parent) | |
569 | continue; | |
570 | commit_list_insert(parent, &parents); | |
ed1c9977 | 571 | add_merge_parent(result, obj->oid.hash, parent->object.oid.hash); |
5802f81b JH |
572 | } |
573 | head_commit = lookup_commit(head); | |
574 | if (head_commit) | |
575 | commit_list_insert(head_commit, &parents); | |
576 | parents = reduce_heads(parents); | |
577 | ||
578 | while (parents) { | |
e510ab89 | 579 | struct commit *cmit = pop_commit(&parents); |
5802f81b | 580 | for (i = 0; i < result->nr; i++) |
ed1c9977 | 581 | if (!hashcmp(result->item[i].commit, cmit->object.oid.hash)) |
5802f81b | 582 | result->item[i].used = 1; |
5802f81b JH |
583 | } |
584 | ||
585 | for (i = j = 0; i < result->nr; i++) { | |
586 | if (result->item[i].used) { | |
587 | if (i != j) | |
588 | result->item[j] = result->item[i]; | |
589 | j++; | |
590 | } | |
591 | } | |
592 | result->nr = j; | |
593 | } | |
594 | ||
cbda121c JH |
595 | int fmt_merge_msg(struct strbuf *in, struct strbuf *out, |
596 | struct fmt_merge_msg_opts *opts) | |
597 | { | |
1876166a | 598 | int i = 0, pos = 0; |
403994e8 TRC |
599 | unsigned char head_sha1[20]; |
600 | const char *current_branch; | |
96ec7b1e | 601 | void *current_branch_to_free; |
5802f81b JH |
602 | struct merge_parents merge_parents; |
603 | ||
604 | memset(&merge_parents, 0, sizeof(merge_parents)); | |
403994e8 TRC |
605 | |
606 | /* get current branch */ | |
96ec7b1e | 607 | current_branch = current_branch_to_free = |
7695d118 | 608 | resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL); |
403994e8 TRC |
609 | if (!current_branch) |
610 | die("No current branch"); | |
59556548 | 611 | if (starts_with(current_branch, "refs/heads/")) |
403994e8 TRC |
612 | current_branch += 11; |
613 | ||
5802f81b JH |
614 | find_merge_parents(&merge_parents, in, head_sha1); |
615 | ||
403994e8 TRC |
616 | /* get a line */ |
617 | while (pos < in->len) { | |
618 | int len; | |
619 | char *newline, *p = in->buf + pos; | |
620 | ||
621 | newline = strchr(p, '\n'); | |
622 | len = newline ? newline - p : strlen(p); | |
623 | pos += len + !!newline; | |
624 | i++; | |
625 | p[len] = 0; | |
5802f81b | 626 | if (handle_line(p, &merge_parents)) |
403994e8 TRC |
627 | die ("Error in line %d: %.*s", i, len, p); |
628 | } | |
629 | ||
cbda121c JH |
630 | if (opts->add_title && srcs.nr) |
631 | fmt_merge_msg_title(out, current_branch); | |
403994e8 | 632 | |
895680f0 JH |
633 | if (origins.nr) |
634 | fmt_merge_msg_sigs(out); | |
00449f99 | 635 | |
cbda121c | 636 | if (opts->shortlog_len) { |
00449f99 JS |
637 | struct commit *head; |
638 | struct rev_info rev; | |
639 | ||
baf18fc2 | 640 | head = lookup_commit_or_die(head_sha1, "HEAD"); |
0b9a969e | 641 | init_revisions(&rev, NULL); |
00449f99 JS |
642 | rev.commit_format = CMIT_FMT_ONELINE; |
643 | rev.ignore_merges = 1; | |
644 | rev.limited = 1; | |
645 | ||
a3347b98 | 646 | strbuf_complete_line(out); |
f0ecac2b | 647 | |
00449f99 | 648 | for (i = 0; i < origins.nr; i++) |
898eacd8 JH |
649 | shortlog(origins.items[i].string, |
650 | origins.items[i].util, | |
9bcbb1c2 | 651 | head, &rev, opts, out); |
00449f99 | 652 | } |
0b9a969e | 653 | |
895680f0 | 654 | strbuf_complete_line(out); |
96ec7b1e | 655 | free(current_branch_to_free); |
5802f81b | 656 | free(merge_parents.item); |
0b9a969e | 657 | return 0; |
2234ec54 TRC |
658 | } |
659 | ||
0b9a969e MV |
660 | int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) |
661 | { | |
c8ef0383 | 662 | const char *inpath = NULL; |
2102440c | 663 | const char *message = NULL; |
898eacd8 | 664 | int shortlog_len = -1; |
c8ef0383 | 665 | struct option options[] = { |
93eced6c NTND |
666 | { OPTION_INTEGER, 0, "log", &shortlog_len, N_("n"), |
667 | N_("populate log with at most <n> entries from shortlog"), | |
96e9420c | 668 | PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN }, |
93eced6c NTND |
669 | { OPTION_INTEGER, 0, "summary", &shortlog_len, N_("n"), |
670 | N_("alias for --log (deprecated)"), | |
96e9420c RR |
671 | PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, NULL, |
672 | DEFAULT_MERGE_LOG_LEN }, | |
93eced6c NTND |
673 | OPT_STRING('m', "message", &message, N_("text"), |
674 | N_("use <text> as start of message")), | |
675 | OPT_FILENAME('F', "file", &inpath, N_("file to read from")), | |
c8ef0383 PH |
676 | OPT_END() |
677 | }; | |
678 | ||
0b9a969e | 679 | FILE *in = stdin; |
f285a2d7 | 680 | struct strbuf input = STRBUF_INIT, output = STRBUF_INIT; |
0b9a969e | 681 | int ret; |
cbda121c | 682 | struct fmt_merge_msg_opts opts; |
0b9a969e MV |
683 | |
684 | git_config(fmt_merge_msg_config, NULL); | |
37782920 SB |
685 | argc = parse_options(argc, argv, prefix, options, fmt_merge_msg_usage, |
686 | 0); | |
c8ef0383 PH |
687 | if (argc > 0) |
688 | usage_with_options(fmt_merge_msg_usage, options); | |
898eacd8 JH |
689 | if (shortlog_len < 0) |
690 | shortlog_len = (merge_log_config > 0) ? merge_log_config : 0; | |
c8ef0383 PH |
691 | |
692 | if (inpath && strcmp(inpath, "-")) { | |
693 | in = fopen(inpath, "r"); | |
694 | if (!in) | |
0721c314 | 695 | die_errno("cannot open '%s'", inpath); |
0b9a969e MV |
696 | } |
697 | ||
0b9a969e | 698 | if (strbuf_read(&input, fileno(in), 0) < 0) |
d824cbba | 699 | die_errno("could not read input file"); |
1876166a RR |
700 | |
701 | if (message) | |
2102440c | 702 | strbuf_addstr(&output, message); |
1876166a | 703 | |
cbda121c JH |
704 | memset(&opts, 0, sizeof(opts)); |
705 | opts.add_title = !message; | |
9bcbb1c2 | 706 | opts.credit_people = 1; |
cbda121c JH |
707 | opts.shortlog_len = shortlog_len; |
708 | ||
709 | ret = fmt_merge_msg(&input, &output, &opts); | |
0b9a969e MV |
710 | if (ret) |
711 | return ret; | |
c8ef0383 | 712 | write_in_full(STDOUT_FILENO, output.buf, output.len); |
00449f99 JS |
713 | return 0; |
714 | } |