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Commit | Line | Data |
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e93fc5d7 | 1 | #include "git-compat-util.h" |
36bf1958 | 2 | #include "alloc.h" |
ce6521e4 | 3 | #include "config.h" |
7ee24e18 | 4 | #include "environment.h" |
ce6521e4 | 5 | #include "refs.h" |
dabab1d6 | 6 | #include "object-name.h" |
ce6521e4 DL |
7 | #include "object-store.h" |
8 | #include "diff.h" | |
09322b1d | 9 | #include "diff-merges.h" |
41771fa4 | 10 | #include "hex.h" |
ce6521e4 DL |
11 | #include "revision.h" |
12 | #include "tag.h" | |
13 | #include "string-list.h" | |
14 | #include "branch.h" | |
15 | #include "fmt-merge-msg.h" | |
16 | #include "commit-reach.h" | |
9d12546d | 17 | #include "gpg-interface.h" |
ce6521e4 DL |
18 | |
19 | static int use_branch_desc; | |
6e6029a8 JH |
20 | static int suppress_dest_pattern_seen; |
21 | static struct string_list suppress_dest_patterns = STRING_LIST_INIT_DUP; | |
ce6521e4 DL |
22 | |
23 | int fmt_merge_msg_config(const char *key, const char *value, void *cb) | |
24 | { | |
25 | if (!strcmp(key, "merge.log") || !strcmp(key, "merge.summary")) { | |
26 | int is_bool; | |
27 | merge_log_config = git_config_bool_or_int(key, value, &is_bool); | |
28 | if (!is_bool && merge_log_config < 0) | |
29 | return error("%s: negative length %s", key, value); | |
30 | if (is_bool && merge_log_config) | |
31 | merge_log_config = DEFAULT_MERGE_LOG_LEN; | |
32 | } else if (!strcmp(key, "merge.branchdesc")) { | |
33 | use_branch_desc = git_config_bool(key, value); | |
6e6029a8 JH |
34 | } else if (!strcmp(key, "merge.suppressdest")) { |
35 | if (!value) | |
36 | return config_error_nonbool(key); | |
37 | if (!*value) | |
38 | string_list_clear(&suppress_dest_patterns, 0); | |
39 | else | |
40 | string_list_append(&suppress_dest_patterns, value); | |
41 | suppress_dest_pattern_seen = 1; | |
ce6521e4 DL |
42 | } else { |
43 | return git_default_config(key, value, cb); | |
44 | } | |
45 | return 0; | |
46 | } | |
47 | ||
48 | /* merge data per repository where the merged tips came from */ | |
49 | struct src_data { | |
50 | struct string_list branch, tag, r_branch, generic; | |
51 | int head_status; | |
52 | }; | |
53 | ||
54 | struct origin_data { | |
55 | struct object_id oid; | |
56 | unsigned is_local_branch:1; | |
57 | }; | |
58 | ||
59 | static void init_src_data(struct src_data *data) | |
60 | { | |
61 | data->branch.strdup_strings = 1; | |
62 | data->tag.strdup_strings = 1; | |
63 | data->r_branch.strdup_strings = 1; | |
64 | data->generic.strdup_strings = 1; | |
65 | } | |
66 | ||
67 | static struct string_list srcs = STRING_LIST_INIT_DUP; | |
68 | static struct string_list origins = STRING_LIST_INIT_DUP; | |
69 | ||
70 | struct merge_parents { | |
71 | int alloc, nr; | |
72 | struct merge_parent { | |
73 | struct object_id given; | |
74 | struct object_id commit; | |
75 | unsigned char used; | |
76 | } *item; | |
77 | }; | |
78 | ||
79 | /* | |
80 | * I know, I know, this is inefficient, but you won't be pulling and merging | |
81 | * hundreds of heads at a time anyway. | |
82 | */ | |
83 | static struct merge_parent *find_merge_parent(struct merge_parents *table, | |
84 | struct object_id *given, | |
85 | struct object_id *commit) | |
86 | { | |
87 | int i; | |
88 | for (i = 0; i < table->nr; i++) { | |
89 | if (given && !oideq(&table->item[i].given, given)) | |
90 | continue; | |
91 | if (commit && !oideq(&table->item[i].commit, commit)) | |
92 | continue; | |
93 | return &table->item[i]; | |
94 | } | |
95 | return NULL; | |
96 | } | |
97 | ||
98 | static void add_merge_parent(struct merge_parents *table, | |
99 | struct object_id *given, | |
100 | struct object_id *commit) | |
101 | { | |
102 | if (table->nr && find_merge_parent(table, given, commit)) | |
103 | return; | |
104 | ALLOC_GROW(table->item, table->nr + 1, table->alloc); | |
105 | oidcpy(&table->item[table->nr].given, given); | |
106 | oidcpy(&table->item[table->nr].commit, commit); | |
107 | table->item[table->nr].used = 0; | |
108 | table->nr++; | |
109 | } | |
110 | ||
111 | static int handle_line(char *line, struct merge_parents *merge_parents) | |
112 | { | |
113 | int i, len = strlen(line); | |
114 | struct origin_data *origin_data; | |
115 | char *src; | |
116 | const char *origin, *tag_name; | |
9fa62137 | 117 | char *to_free = NULL; |
ce6521e4 DL |
118 | struct src_data *src_data; |
119 | struct string_list_item *item; | |
120 | int pulling_head = 0; | |
121 | struct object_id oid; | |
122 | const unsigned hexsz = the_hash_algo->hexsz; | |
123 | ||
124 | if (len < hexsz + 3 || line[hexsz] != '\t') | |
125 | return 1; | |
126 | ||
127 | if (starts_with(line + hexsz + 1, "not-for-merge")) | |
128 | return 0; | |
129 | ||
130 | if (line[hexsz + 1] != '\t') | |
131 | return 2; | |
132 | ||
133 | i = get_oid_hex(line, &oid); | |
134 | if (i) | |
135 | return 3; | |
136 | ||
137 | if (!find_merge_parent(merge_parents, &oid, NULL)) | |
138 | return 0; /* subsumed by other parents */ | |
139 | ||
ca56dadb | 140 | CALLOC_ARRAY(origin_data, 1); |
ce6521e4 DL |
141 | oidcpy(&origin_data->oid, &oid); |
142 | ||
143 | if (line[len - 1] == '\n') | |
144 | line[len - 1] = 0; | |
145 | line += hexsz + 2; | |
146 | ||
147 | /* | |
148 | * At this point, line points at the beginning of comment e.g. | |
149 | * "branch 'frotz' of git://that/repository.git". | |
150 | * Find the repository name and point it with src. | |
151 | */ | |
152 | src = strstr(line, " of "); | |
153 | if (src) { | |
154 | *src = 0; | |
155 | src += 4; | |
156 | pulling_head = 0; | |
157 | } else { | |
158 | src = line; | |
159 | pulling_head = 1; | |
160 | } | |
161 | ||
162 | item = unsorted_string_list_lookup(&srcs, src); | |
163 | if (!item) { | |
164 | item = string_list_append(&srcs, src); | |
165 | item->util = xcalloc(1, sizeof(struct src_data)); | |
166 | init_src_data(item->util); | |
167 | } | |
168 | src_data = item->util; | |
169 | ||
170 | if (pulling_head) { | |
171 | origin = src; | |
172 | src_data->head_status |= 1; | |
173 | } else if (skip_prefix(line, "branch ", &origin)) { | |
174 | origin_data->is_local_branch = 1; | |
175 | string_list_append(&src_data->branch, origin); | |
176 | src_data->head_status |= 2; | |
177 | } else if (skip_prefix(line, "tag ", &tag_name)) { | |
178 | origin = line; | |
179 | string_list_append(&src_data->tag, tag_name); | |
180 | src_data->head_status |= 2; | |
181 | } else if (skip_prefix(line, "remote-tracking branch ", &origin)) { | |
182 | string_list_append(&src_data->r_branch, origin); | |
183 | src_data->head_status |= 2; | |
184 | } else { | |
185 | origin = src; | |
186 | string_list_append(&src_data->generic, line); | |
187 | src_data->head_status |= 2; | |
188 | } | |
189 | ||
190 | if (!strcmp(".", src) || !strcmp(src, origin)) { | |
191 | int len = strlen(origin); | |
192 | if (origin[0] == '\'' && origin[len - 1] == '\'') | |
9fa62137 | 193 | origin = to_free = xmemdupz(origin + 1, len - 2); |
ce6521e4 | 194 | } else |
9fa62137 | 195 | origin = to_free = xstrfmt("%s of %s", origin, src); |
ce6521e4 DL |
196 | if (strcmp(".", src)) |
197 | origin_data->is_local_branch = 0; | |
198 | string_list_append(&origins, origin)->util = origin_data; | |
9fa62137 | 199 | free(to_free); |
ce6521e4 DL |
200 | return 0; |
201 | } | |
202 | ||
203 | static void print_joined(const char *singular, const char *plural, | |
204 | struct string_list *list, struct strbuf *out) | |
205 | { | |
206 | if (list->nr == 0) | |
207 | return; | |
208 | if (list->nr == 1) { | |
209 | strbuf_addf(out, "%s%s", singular, list->items[0].string); | |
210 | } else { | |
211 | int i; | |
212 | strbuf_addstr(out, plural); | |
213 | for (i = 0; i < list->nr - 1; i++) | |
214 | strbuf_addf(out, "%s%s", i > 0 ? ", " : "", | |
215 | list->items[i].string); | |
216 | strbuf_addf(out, " and %s", list->items[list->nr - 1].string); | |
217 | } | |
218 | } | |
219 | ||
220 | static void add_branch_desc(struct strbuf *out, const char *name) | |
221 | { | |
222 | struct strbuf desc = STRBUF_INIT; | |
223 | ||
224 | if (!read_branch_desc(&desc, name)) { | |
225 | const char *bp = desc.buf; | |
226 | while (*bp) { | |
227 | const char *ep = strchrnul(bp, '\n'); | |
228 | if (*ep) | |
229 | ep++; | |
230 | strbuf_addf(out, " : %.*s", (int)(ep - bp), bp); | |
231 | bp = ep; | |
232 | } | |
233 | strbuf_complete_line(out); | |
234 | } | |
235 | strbuf_release(&desc); | |
236 | } | |
237 | ||
238 | #define util_as_integral(elem) ((intptr_t)((elem)->util)) | |
239 | ||
240 | static void record_person_from_buf(int which, struct string_list *people, | |
241 | const char *buffer) | |
242 | { | |
243 | char *name_buf, *name, *name_end; | |
244 | struct string_list_item *elem; | |
245 | const char *field; | |
246 | ||
247 | field = (which == 'a') ? "\nauthor " : "\ncommitter "; | |
248 | name = strstr(buffer, field); | |
249 | if (!name) | |
250 | return; | |
251 | name += strlen(field); | |
252 | name_end = strchrnul(name, '<'); | |
253 | if (*name_end) | |
254 | name_end--; | |
255 | while (isspace(*name_end) && name <= name_end) | |
256 | name_end--; | |
257 | if (name_end < name) | |
258 | return; | |
259 | name_buf = xmemdupz(name, name_end - name + 1); | |
260 | ||
261 | elem = string_list_lookup(people, name_buf); | |
262 | if (!elem) { | |
263 | elem = string_list_insert(people, name_buf); | |
264 | elem->util = (void *)0; | |
265 | } | |
266 | elem->util = (void*)(util_as_integral(elem) + 1); | |
267 | free(name_buf); | |
268 | } | |
269 | ||
270 | ||
271 | static void record_person(int which, struct string_list *people, | |
272 | struct commit *commit) | |
273 | { | |
ecb5091f ÆAB |
274 | const char *buffer = repo_get_commit_buffer(the_repository, commit, |
275 | NULL); | |
ce6521e4 | 276 | record_person_from_buf(which, people, buffer); |
ecb5091f | 277 | repo_unuse_commit_buffer(the_repository, commit, buffer); |
ce6521e4 DL |
278 | } |
279 | ||
280 | static int cmp_string_list_util_as_integral(const void *a_, const void *b_) | |
281 | { | |
282 | const struct string_list_item *a = a_, *b = b_; | |
283 | return util_as_integral(b) - util_as_integral(a); | |
284 | } | |
285 | ||
286 | static void add_people_count(struct strbuf *out, struct string_list *people) | |
287 | { | |
288 | if (people->nr == 1) | |
289 | strbuf_addstr(out, people->items[0].string); | |
290 | else if (people->nr == 2) | |
291 | strbuf_addf(out, "%s (%d) and %s (%d)", | |
292 | people->items[0].string, | |
293 | (int)util_as_integral(&people->items[0]), | |
294 | people->items[1].string, | |
295 | (int)util_as_integral(&people->items[1])); | |
296 | else if (people->nr) | |
297 | strbuf_addf(out, "%s (%d) and others", | |
298 | people->items[0].string, | |
299 | (int)util_as_integral(&people->items[0])); | |
300 | } | |
301 | ||
302 | static void credit_people(struct strbuf *out, | |
303 | struct string_list *them, | |
304 | int kind) | |
305 | { | |
306 | const char *label; | |
307 | const char *me; | |
308 | ||
309 | if (kind == 'a') { | |
310 | label = "By"; | |
311 | me = git_author_info(IDENT_NO_DATE); | |
312 | } else { | |
313 | label = "Via"; | |
314 | me = git_committer_info(IDENT_NO_DATE); | |
315 | } | |
316 | ||
317 | if (!them->nr || | |
318 | (them->nr == 1 && | |
319 | me && | |
320 | skip_prefix(me, them->items->string, &me) && | |
321 | starts_with(me, " <"))) | |
322 | return; | |
323 | strbuf_addf(out, "\n%c %s ", comment_line_char, label); | |
324 | add_people_count(out, them); | |
325 | } | |
326 | ||
327 | static void add_people_info(struct strbuf *out, | |
328 | struct string_list *authors, | |
329 | struct string_list *committers) | |
330 | { | |
331 | QSORT(authors->items, authors->nr, | |
332 | cmp_string_list_util_as_integral); | |
333 | QSORT(committers->items, committers->nr, | |
334 | cmp_string_list_util_as_integral); | |
335 | ||
336 | credit_people(out, authors, 'a'); | |
337 | credit_people(out, committers, 'c'); | |
338 | } | |
339 | ||
340 | static void shortlog(const char *name, | |
341 | struct origin_data *origin_data, | |
342 | struct commit *head, | |
343 | struct rev_info *rev, | |
344 | struct fmt_merge_msg_opts *opts, | |
345 | struct strbuf *out) | |
346 | { | |
347 | int i, count = 0; | |
348 | struct commit *commit; | |
349 | struct object *branch; | |
350 | struct string_list subjects = STRING_LIST_INIT_DUP; | |
351 | struct string_list authors = STRING_LIST_INIT_DUP; | |
352 | struct string_list committers = STRING_LIST_INIT_DUP; | |
353 | int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED; | |
354 | struct strbuf sb = STRBUF_INIT; | |
355 | const struct object_id *oid = &origin_data->oid; | |
356 | int limit = opts->shortlog_len; | |
357 | ||
358 | branch = deref_tag(the_repository, parse_object(the_repository, oid), | |
359 | oid_to_hex(oid), | |
360 | the_hash_algo->hexsz); | |
361 | if (!branch || branch->type != OBJ_COMMIT) | |
362 | return; | |
363 | ||
364 | setup_revisions(0, NULL, rev, NULL); | |
365 | add_pending_object(rev, branch, name); | |
366 | add_pending_object(rev, &head->object, "^HEAD"); | |
367 | head->object.flags |= UNINTERESTING; | |
368 | if (prepare_revision_walk(rev)) | |
369 | die("revision walk setup failed"); | |
370 | while ((commit = get_revision(rev)) != NULL) { | |
371 | struct pretty_print_context ctx = {0}; | |
372 | ||
373 | if (commit->parents && commit->parents->next) { | |
374 | /* do not list a merge but count committer */ | |
375 | if (opts->credit_people) | |
376 | record_person('c', &committers, commit); | |
377 | continue; | |
378 | } | |
379 | if (!count && opts->credit_people) | |
380 | /* the 'tip' committer */ | |
381 | record_person('c', &committers, commit); | |
382 | if (opts->credit_people) | |
383 | record_person('a', &authors, commit); | |
384 | count++; | |
385 | if (subjects.nr > limit) | |
386 | continue; | |
387 | ||
bab82164 ÆAB |
388 | repo_format_commit_message(the_repository, commit, "%s", &sb, |
389 | &ctx); | |
ce6521e4 DL |
390 | strbuf_ltrim(&sb); |
391 | ||
392 | if (!sb.len) | |
393 | string_list_append(&subjects, | |
394 | oid_to_hex(&commit->object.oid)); | |
395 | else | |
396 | string_list_append_nodup(&subjects, | |
397 | strbuf_detach(&sb, NULL)); | |
398 | } | |
399 | ||
400 | if (opts->credit_people) | |
401 | add_people_info(out, &authors, &committers); | |
402 | if (count > limit) | |
403 | strbuf_addf(out, "\n* %s: (%d commits)\n", name, count); | |
404 | else | |
405 | strbuf_addf(out, "\n* %s:\n", name); | |
406 | ||
407 | if (origin_data->is_local_branch && use_branch_desc) | |
408 | add_branch_desc(out, name); | |
409 | ||
410 | for (i = 0; i < subjects.nr; i++) | |
411 | if (i >= limit) | |
412 | strbuf_addstr(out, " ...\n"); | |
413 | else | |
414 | strbuf_addf(out, " %s\n", subjects.items[i].string); | |
415 | ||
416 | clear_commit_marks((struct commit *)branch, flags); | |
417 | clear_commit_marks(head, flags); | |
418 | free_commit_list(rev->commits); | |
419 | rev->commits = NULL; | |
420 | rev->pending.nr = 0; | |
421 | ||
422 | string_list_clear(&authors, 0); | |
423 | string_list_clear(&committers, 0); | |
424 | string_list_clear(&subjects, 0); | |
425 | } | |
426 | ||
6e6029a8 JH |
427 | /* |
428 | * See if dest_branch matches with any glob pattern on the | |
429 | * suppress_dest_patterns list. | |
430 | * | |
431 | * We may want to also allow negative matches e.g. ":!glob" like we do | |
432 | * for pathspec, but for now, let's keep it simple and stupid. | |
433 | */ | |
434 | static int dest_suppressed(const char *dest_branch) | |
435 | { | |
436 | struct string_list_item *item; | |
437 | ||
438 | for_each_string_list_item(item, &suppress_dest_patterns) { | |
439 | if (!wildmatch(item->string, dest_branch, WM_PATHNAME)) | |
440 | return 1; | |
441 | } | |
442 | return 0; | |
443 | } | |
444 | ||
ce6521e4 DL |
445 | static void fmt_merge_msg_title(struct strbuf *out, |
446 | const char *current_branch) | |
447 | { | |
448 | int i = 0; | |
449 | char *sep = ""; | |
450 | ||
451 | strbuf_addstr(out, "Merge "); | |
452 | for (i = 0; i < srcs.nr; i++) { | |
453 | struct src_data *src_data = srcs.items[i].util; | |
454 | const char *subsep = ""; | |
455 | ||
456 | strbuf_addstr(out, sep); | |
457 | sep = "; "; | |
458 | ||
459 | if (src_data->head_status == 1) { | |
460 | strbuf_addstr(out, srcs.items[i].string); | |
461 | continue; | |
462 | } | |
463 | if (src_data->head_status == 3) { | |
464 | subsep = ", "; | |
465 | strbuf_addstr(out, "HEAD"); | |
466 | } | |
467 | if (src_data->branch.nr) { | |
468 | strbuf_addstr(out, subsep); | |
469 | subsep = ", "; | |
470 | print_joined("branch ", "branches ", &src_data->branch, | |
471 | out); | |
472 | } | |
473 | if (src_data->r_branch.nr) { | |
474 | strbuf_addstr(out, subsep); | |
475 | subsep = ", "; | |
476 | print_joined("remote-tracking branch ", "remote-tracking branches ", | |
477 | &src_data->r_branch, out); | |
478 | } | |
479 | if (src_data->tag.nr) { | |
480 | strbuf_addstr(out, subsep); | |
481 | subsep = ", "; | |
482 | print_joined("tag ", "tags ", &src_data->tag, out); | |
483 | } | |
484 | if (src_data->generic.nr) { | |
485 | strbuf_addstr(out, subsep); | |
486 | print_joined("commit ", "commits ", &src_data->generic, | |
487 | out); | |
488 | } | |
489 | if (strcmp(".", srcs.items[i].string)) | |
490 | strbuf_addf(out, " of %s", srcs.items[i].string); | |
491 | } | |
492 | ||
6e6029a8 JH |
493 | if (!dest_suppressed(current_branch)) |
494 | strbuf_addf(out, " into %s", current_branch); | |
495 | strbuf_addch(out, '\n'); | |
ce6521e4 DL |
496 | } |
497 | ||
498 | static void fmt_tag_signature(struct strbuf *tagbuf, | |
499 | struct strbuf *sig, | |
500 | const char *buf, | |
501 | unsigned long len) | |
502 | { | |
503 | const char *tag_body = strstr(buf, "\n\n"); | |
504 | if (tag_body) { | |
505 | tag_body += 2; | |
506 | strbuf_add(tagbuf, tag_body, buf + len - tag_body); | |
507 | } | |
508 | strbuf_complete_line(tagbuf); | |
509 | if (sig->len) { | |
510 | strbuf_addch(tagbuf, '\n'); | |
511 | strbuf_add_commented_lines(tagbuf, sig->buf, sig->len); | |
512 | } | |
513 | } | |
514 | ||
515 | static void fmt_merge_msg_sigs(struct strbuf *out) | |
516 | { | |
517 | int i, tag_number = 0, first_tag = 0; | |
518 | struct strbuf tagbuf = STRBUF_INIT; | |
519 | ||
520 | for (i = 0; i < origins.nr; i++) { | |
521 | struct object_id *oid = origins.items[i].util; | |
522 | enum object_type type; | |
482c1191 | 523 | unsigned long size; |
bc726bd0 ÆAB |
524 | char *buf = repo_read_object_file(the_repository, oid, &type, |
525 | &size); | |
482c1191 | 526 | char *origbuf = buf; |
527 | unsigned long len = size; | |
bf04590e | 528 | struct signature_check sigc = { NULL }; |
482c1191 | 529 | struct strbuf payload = STRBUF_INIT, sig = STRBUF_INIT; |
ce6521e4 DL |
530 | |
531 | if (!buf || type != OBJ_TAG) | |
532 | goto next; | |
ce6521e4 | 533 | |
482c1191 | 534 | if (!parse_signature(buf, size, &payload, &sig)) |
535 | ;/* merely annotated */ | |
536 | else { | |
537 | buf = payload.buf; | |
538 | len = payload.len; | |
122842fd | 539 | sigc.payload_type = SIGNATURE_PAYLOAD_TAG; |
02769437 FS |
540 | sigc.payload = strbuf_detach(&payload, &sigc.payload_len); |
541 | if (check_signature(&sigc, sig.buf, sig.len) && | |
b5726a5d | 542 | !sigc.output) |
482c1191 | 543 | strbuf_addstr(&sig, "gpg verification failed.\n"); |
544 | else | |
b5726a5d | 545 | strbuf_addstr(&sig, sigc.output); |
482c1191 | 546 | } |
ce6521e4 DL |
547 | |
548 | if (!tag_number++) { | |
549 | fmt_tag_signature(&tagbuf, &sig, buf, len); | |
550 | first_tag = i; | |
551 | } else { | |
552 | if (tag_number == 2) { | |
553 | struct strbuf tagline = STRBUF_INIT; | |
554 | strbuf_addch(&tagline, '\n'); | |
555 | strbuf_add_commented_lines(&tagline, | |
556 | origins.items[first_tag].string, | |
557 | strlen(origins.items[first_tag].string)); | |
558 | strbuf_insert(&tagbuf, 0, tagline.buf, | |
559 | tagline.len); | |
560 | strbuf_release(&tagline); | |
561 | } | |
562 | strbuf_addch(&tagbuf, '\n'); | |
563 | strbuf_add_commented_lines(&tagbuf, | |
564 | origins.items[i].string, | |
565 | strlen(origins.items[i].string)); | |
566 | fmt_tag_signature(&tagbuf, &sig, buf, len); | |
567 | } | |
482c1191 | 568 | strbuf_release(&payload); |
ce6521e4 | 569 | strbuf_release(&sig); |
c39fc06b | 570 | signature_check_clear(&sigc); |
ce6521e4 | 571 | next: |
482c1191 | 572 | free(origbuf); |
ce6521e4 DL |
573 | } |
574 | if (tagbuf.len) { | |
575 | strbuf_addch(out, '\n'); | |
576 | strbuf_addbuf(out, &tagbuf); | |
577 | } | |
578 | strbuf_release(&tagbuf); | |
579 | } | |
580 | ||
581 | static void find_merge_parents(struct merge_parents *result, | |
582 | struct strbuf *in, struct object_id *head) | |
583 | { | |
584 | struct commit_list *parents; | |
585 | struct commit *head_commit; | |
586 | int pos = 0, i, j; | |
587 | ||
588 | parents = NULL; | |
589 | while (pos < in->len) { | |
590 | int len; | |
591 | char *p = in->buf + pos; | |
592 | char *newline = strchr(p, '\n'); | |
593 | const char *q; | |
594 | struct object_id oid; | |
595 | struct commit *parent; | |
596 | struct object *obj; | |
597 | ||
598 | len = newline ? newline - p : strlen(p); | |
599 | pos += len + !!newline; | |
600 | ||
601 | if (parse_oid_hex(p, &oid, &q) || | |
602 | q[0] != '\t' || | |
603 | q[1] != '\t') | |
604 | continue; /* skip not-for-merge */ | |
605 | /* | |
606 | * Do not use get_merge_parent() here; we do not have | |
607 | * "name" here and we do not want to contaminate its | |
608 | * util field yet. | |
609 | */ | |
610 | obj = parse_object(the_repository, &oid); | |
d850b7a5 ÆAB |
611 | parent = (struct commit *)repo_peel_to_type(the_repository, |
612 | NULL, 0, obj, | |
613 | OBJ_COMMIT); | |
ce6521e4 DL |
614 | if (!parent) |
615 | continue; | |
616 | commit_list_insert(parent, &parents); | |
617 | add_merge_parent(result, &obj->oid, &parent->object.oid); | |
618 | } | |
619 | head_commit = lookup_commit(the_repository, head); | |
620 | if (head_commit) | |
621 | commit_list_insert(head_commit, &parents); | |
622 | reduce_heads_replace(&parents); | |
623 | ||
624 | while (parents) { | |
625 | struct commit *cmit = pop_commit(&parents); | |
626 | for (i = 0; i < result->nr; i++) | |
627 | if (oideq(&result->item[i].commit, &cmit->object.oid)) | |
628 | result->item[i].used = 1; | |
629 | } | |
630 | ||
631 | for (i = j = 0; i < result->nr; i++) { | |
632 | if (result->item[i].used) { | |
633 | if (i != j) | |
634 | result->item[j] = result->item[i]; | |
635 | j++; | |
636 | } | |
637 | } | |
638 | result->nr = j; | |
639 | } | |
640 | ||
641 | ||
642 | int fmt_merge_msg(struct strbuf *in, struct strbuf *out, | |
643 | struct fmt_merge_msg_opts *opts) | |
644 | { | |
645 | int i = 0, pos = 0; | |
646 | struct object_id head_oid; | |
647 | const char *current_branch; | |
648 | void *current_branch_to_free; | |
649 | struct merge_parents merge_parents; | |
650 | ||
2217230d JS |
651 | if (!suppress_dest_pattern_seen) { |
652 | string_list_append(&suppress_dest_patterns, "main"); | |
6e6029a8 | 653 | string_list_append(&suppress_dest_patterns, "master"); |
2217230d | 654 | } |
6e6029a8 | 655 | |
ce6521e4 DL |
656 | memset(&merge_parents, 0, sizeof(merge_parents)); |
657 | ||
bd2bc942 | 658 | /* learn the commit that we merge into and the current branch name */ |
ce6521e4 DL |
659 | current_branch = current_branch_to_free = |
660 | resolve_refdup("HEAD", RESOLVE_REF_READING, &head_oid, NULL); | |
661 | if (!current_branch) | |
662 | die("No current branch"); | |
bd2bc942 JH |
663 | |
664 | if (opts->into_name) | |
665 | current_branch = opts->into_name; | |
666 | else if (starts_with(current_branch, "refs/heads/")) | |
ce6521e4 DL |
667 | current_branch += 11; |
668 | ||
669 | find_merge_parents(&merge_parents, in, &head_oid); | |
670 | ||
671 | /* get a line */ | |
672 | while (pos < in->len) { | |
673 | int len; | |
674 | char *newline, *p = in->buf + pos; | |
675 | ||
676 | newline = strchr(p, '\n'); | |
677 | len = newline ? newline - p : strlen(p); | |
678 | pos += len + !!newline; | |
679 | i++; | |
680 | p[len] = 0; | |
681 | if (handle_line(p, &merge_parents)) | |
682 | die("error in line %d: %.*s", i, len, p); | |
683 | } | |
684 | ||
685 | if (opts->add_title && srcs.nr) | |
686 | fmt_merge_msg_title(out, current_branch); | |
687 | ||
688 | if (origins.nr) | |
689 | fmt_merge_msg_sigs(out); | |
690 | ||
691 | if (opts->shortlog_len) { | |
692 | struct commit *head; | |
693 | struct rev_info rev; | |
694 | ||
695 | head = lookup_commit_or_die(&head_oid, "HEAD"); | |
696 | repo_init_revisions(the_repository, &rev, NULL); | |
697 | rev.commit_format = CMIT_FMT_ONELINE; | |
09322b1d | 698 | diff_merges_suppress(&rev); |
ce6521e4 DL |
699 | rev.limited = 1; |
700 | ||
701 | strbuf_complete_line(out); | |
702 | ||
703 | for (i = 0; i < origins.nr; i++) | |
704 | shortlog(origins.items[i].string, | |
705 | origins.items[i].util, | |
706 | head, &rev, opts, out); | |
2108fe4a | 707 | release_revisions(&rev); |
ce6521e4 DL |
708 | } |
709 | ||
710 | strbuf_complete_line(out); | |
711 | free(current_branch_to_free); | |
712 | free(merge_parents.item); | |
713 | return 0; | |
714 | } |