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Commit | Line | Data |
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d6b64ed0 | 1 | #include "builtin.h" |
bd321bcc | 2 | #include "cache.h" |
109cd76d | 3 | #include "repository.h" |
b2141fc1 | 4 | #include "config.h" |
bd321bcc JS |
5 | #include "commit.h" |
6 | #include "tag.h" | |
7 | #include "refs.h" | |
edefb1a2 | 8 | #include "parse-options.h" |
49f7a2fd | 9 | #include "prio-queue.h" |
b23e0b93 | 10 | #include "sha1-lookup.h" |
8fd79a73 | 11 | #include "commit-slab.h" |
bd321bcc | 12 | |
2e09c012 SG |
13 | /* |
14 | * One day. See the 'name a rev shortly after epoch' test in t6120 when | |
15 | * changing this value | |
16 | */ | |
17 | #define CUTOFF_DATE_SLOP 86400 | |
c075aea5 | 18 | |
71620ca8 | 19 | struct rev_name { |
2d539754 | 20 | char *tip_name; |
dddbad72 | 21 | timestamp_t taggerdate; |
bd321bcc | 22 | int generation; |
ac076c29 | 23 | int distance; |
ef1e7406 | 24 | int from_tag; |
71620ca8 | 25 | }; |
bd321bcc | 26 | |
f13ca7ce | 27 | define_commit_slab(commit_rev_name, struct rev_name); |
8fd79a73 | 28 | |
5589e87f | 29 | static timestamp_t cutoff = TIME_MAX; |
8fd79a73 | 30 | static struct commit_rev_name rev_names; |
bd321bcc | 31 | |
ac076c29 JS |
32 | /* How many generations are maximally preferred over _one_ merge traversal? */ |
33 | #define MERGE_TRAVERSAL_WEIGHT 65535 | |
34 | ||
f13ca7ce RS |
35 | static int is_valid_rev_name(const struct rev_name *name) |
36 | { | |
2d539754 | 37 | return name && (name->generation || name->tip_name); |
f13ca7ce RS |
38 | } |
39 | ||
36d2419c | 40 | static struct rev_name *get_commit_rev_name(const struct commit *commit) |
8fd79a73 | 41 | { |
f13ca7ce | 42 | struct rev_name *name = commit_rev_name_peek(&rev_names, commit); |
8fd79a73 | 43 | |
f13ca7ce | 44 | return is_valid_rev_name(name) ? name : NULL; |
8fd79a73 NTND |
45 | } |
46 | ||
0041bf65 | 47 | static int is_better_name(struct rev_name *name, |
78089b71 | 48 | timestamp_t taggerdate, |
ef1e7406 JH |
49 | int distance, |
50 | int from_tag) | |
0041bf65 | 51 | { |
ef1e7406 JH |
52 | /* |
53 | * When comparing names based on tags, prefer names | |
54 | * based on the older tag, even if it is farther away. | |
55 | */ | |
56 | if (from_tag && name->from_tag) | |
57 | return (name->taggerdate > taggerdate || | |
58 | (name->taggerdate == taggerdate && | |
59 | name->distance > distance)); | |
60 | ||
61 | /* | |
62 | * We know that at least one of them is a non-tag at this point. | |
63 | * favor a tag over a non-tag. | |
64 | */ | |
65 | if (name->from_tag != from_tag) | |
66 | return from_tag; | |
67 | ||
68 | /* | |
69 | * We are now looking at two non-tags. Tiebreak to favor | |
70 | * shorter hops. | |
71 | */ | |
72 | if (name->distance != distance) | |
73 | return name->distance > distance; | |
74 | ||
75 | /* ... or tiebreak to favor older date */ | |
76 | if (name->taggerdate != taggerdate) | |
77 | return name->taggerdate > taggerdate; | |
78 | ||
79 | /* keep the current one if we cannot decide */ | |
80 | return 0; | |
0041bf65 JH |
81 | } |
82 | ||
766f9e39 | 83 | static struct rev_name *create_or_update_name(struct commit *commit, |
766f9e39 SG |
84 | timestamp_t taggerdate, |
85 | int generation, int distance, | |
86 | int from_tag) | |
bd321bcc | 87 | { |
f13ca7ce | 88 | struct rev_name *name = commit_rev_name_at(&rev_names, commit); |
bd321bcc | 89 | |
2d539754 RS |
90 | if (is_valid_rev_name(name)) { |
91 | if (!is_better_name(name, taggerdate, distance, from_tag)) | |
92 | return NULL; | |
93 | ||
94 | /* | |
95 | * This string might still be shared with ancestors | |
96 | * (generation > 0). We can release it here regardless, | |
97 | * because the new name that has just won will be better | |
98 | * for them as well, so name_rev() will replace these | |
99 | * stale pointers when it processes the parents. | |
100 | */ | |
101 | if (!name->generation) | |
102 | free(name->tip_name); | |
103 | } | |
3e2feb0d | 104 | |
3e2feb0d MÅ |
105 | name->taggerdate = taggerdate; |
106 | name->generation = generation; | |
107 | name->distance = distance; | |
108 | name->from_tag = from_tag; | |
109 | ||
110 | return name; | |
766f9e39 SG |
111 | } |
112 | ||
ddc42ec7 RS |
113 | static char *get_parent_name(const struct rev_name *name, int parent_number) |
114 | { | |
1c56fc20 | 115 | struct strbuf sb = STRBUF_INIT; |
ddc42ec7 RS |
116 | size_t len; |
117 | ||
118 | strip_suffix(name->tip_name, "^0", &len); | |
1c56fc20 RS |
119 | if (name->generation > 0) { |
120 | strbuf_grow(&sb, len + | |
121 | 1 + decimal_width(name->generation) + | |
122 | 1 + decimal_width(parent_number)); | |
123 | strbuf_addf(&sb, "%.*s~%d^%d", (int)len, name->tip_name, | |
124 | name->generation, parent_number); | |
125 | } else { | |
126 | strbuf_grow(&sb, len + | |
127 | 1 + decimal_width(parent_number)); | |
128 | strbuf_addf(&sb, "%.*s^%d", (int)len, name->tip_name, | |
129 | parent_number); | |
130 | } | |
131 | return strbuf_detach(&sb, NULL); | |
ddc42ec7 RS |
132 | } |
133 | ||
49f7a2fd | 134 | static void name_rev(struct commit *start_commit, |
dddbad72 | 135 | const char *tip_name, timestamp_t taggerdate, |
2866fd28 | 136 | int from_tag, int deref) |
bd321bcc | 137 | { |
49f7a2fd SG |
138 | struct prio_queue queue; |
139 | struct commit *commit; | |
140 | struct commit **parents_to_queue = NULL; | |
141 | size_t parents_to_queue_nr, parents_to_queue_alloc = 0; | |
977dc191 | 142 | struct rev_name *start_name; |
2866fd28 SG |
143 | |
144 | parse_commit(start_commit); | |
145 | if (start_commit->date < cutoff) | |
146 | return; | |
147 | ||
977dc191 RS |
148 | start_name = create_or_update_name(start_commit, taggerdate, 0, 0, |
149 | from_tag); | |
150 | if (!start_name) | |
151 | return; | |
2866fd28 | 152 | if (deref) |
977dc191 | 153 | start_name->tip_name = xstrfmt("%s^0", tip_name); |
15a4205d | 154 | else |
977dc191 | 155 | start_name->tip_name = xstrdup(tip_name); |
bd321bcc | 156 | |
49f7a2fd SG |
157 | memset(&queue, 0, sizeof(queue)); /* Use the prio_queue as LIFO */ |
158 | prio_queue_put(&queue, start_commit); | |
159 | ||
160 | while ((commit = prio_queue_get(&queue))) { | |
161 | struct rev_name *name = get_commit_rev_name(commit); | |
162 | struct commit_list *parents; | |
163 | int parent_number = 1; | |
164 | ||
165 | parents_to_queue_nr = 0; | |
166 | ||
167 | for (parents = commit->parents; | |
168 | parents; | |
169 | parents = parents->next, parent_number++) { | |
170 | struct commit *parent = parents->item; | |
977dc191 | 171 | struct rev_name *parent_name; |
49f7a2fd SG |
172 | int generation, distance; |
173 | ||
174 | parse_commit(parent); | |
175 | if (parent->date < cutoff) | |
176 | continue; | |
177 | ||
178 | if (parent_number > 1) { | |
49f7a2fd SG |
179 | generation = 0; |
180 | distance = name->distance + MERGE_TRAVERSAL_WEIGHT; | |
181 | } else { | |
49f7a2fd SG |
182 | generation = name->generation + 1; |
183 | distance = name->distance + 1; | |
184 | } | |
185 | ||
977dc191 RS |
186 | parent_name = create_or_update_name(parent, taggerdate, |
187 | generation, | |
188 | distance, from_tag); | |
189 | if (parent_name) { | |
190 | if (parent_number > 1) | |
191 | parent_name->tip_name = | |
192 | get_parent_name(name, | |
193 | parent_number); | |
194 | else | |
195 | parent_name->tip_name = name->tip_name; | |
49f7a2fd SG |
196 | ALLOC_GROW(parents_to_queue, |
197 | parents_to_queue_nr + 1, | |
198 | parents_to_queue_alloc); | |
199 | parents_to_queue[parents_to_queue_nr] = parent; | |
200 | parents_to_queue_nr++; | |
201 | } | |
bd321bcc | 202 | } |
3a521503 | 203 | |
49f7a2fd SG |
204 | /* The first parent must come out first from the prio_queue */ |
205 | while (parents_to_queue_nr) | |
206 | prio_queue_put(&queue, | |
207 | parents_to_queue[--parents_to_queue_nr]); | |
bd321bcc | 208 | } |
49f7a2fd SG |
209 | |
210 | clear_prio_queue(&queue); | |
211 | free(parents_to_queue); | |
bd321bcc JS |
212 | } |
213 | ||
98c5c4ad NK |
214 | static int subpath_matches(const char *path, const char *filter) |
215 | { | |
216 | const char *subpath = path; | |
217 | ||
218 | while (subpath) { | |
55d34269 | 219 | if (!wildmatch(filter, subpath, 0)) |
98c5c4ad NK |
220 | return subpath - path; |
221 | subpath = strchr(subpath, '/'); | |
222 | if (subpath) | |
223 | subpath++; | |
224 | } | |
225 | return -1; | |
226 | } | |
227 | ||
9608a190 JH |
228 | static const char *name_ref_abbrev(const char *refname, int shorten_unambiguous) |
229 | { | |
230 | if (shorten_unambiguous) | |
231 | refname = shorten_unambiguous_ref(refname, 0); | |
2059e79c RS |
232 | else if (skip_prefix(refname, "refs/heads/", &refname)) |
233 | ; /* refname already advanced */ | |
234 | else | |
235 | skip_prefix(refname, "refs/", &refname); | |
9608a190 JH |
236 | return refname; |
237 | } | |
238 | ||
2afc29aa JS |
239 | struct name_ref_data { |
240 | int tags_only; | |
23615708 | 241 | int name_only; |
290be667 | 242 | struct string_list ref_filters; |
96415b49 | 243 | struct string_list exclude_filters; |
2afc29aa JS |
244 | }; |
245 | ||
b23e0b93 JH |
246 | static struct tip_table { |
247 | struct tip_table_entry { | |
511dca80 | 248 | struct object_id oid; |
b23e0b93 JH |
249 | const char *refname; |
250 | } *table; | |
251 | int nr; | |
252 | int alloc; | |
253 | int sorted; | |
254 | } tip_table; | |
255 | ||
511dca80 | 256 | static void add_to_tip_table(const struct object_id *oid, const char *refname, |
b23e0b93 JH |
257 | int shorten_unambiguous) |
258 | { | |
259 | refname = name_ref_abbrev(refname, shorten_unambiguous); | |
260 | ||
261 | ALLOC_GROW(tip_table.table, tip_table.nr + 1, tip_table.alloc); | |
511dca80 | 262 | oidcpy(&tip_table.table[tip_table.nr].oid, oid); |
b23e0b93 JH |
263 | tip_table.table[tip_table.nr].refname = xstrdup(refname); |
264 | tip_table.nr++; | |
265 | tip_table.sorted = 0; | |
266 | } | |
267 | ||
268 | static int tipcmp(const void *a_, const void *b_) | |
269 | { | |
270 | const struct tip_table_entry *a = a_, *b = b_; | |
511dca80 | 271 | return oidcmp(&a->oid, &b->oid); |
b23e0b93 JH |
272 | } |
273 | ||
73868486 | 274 | static int name_ref(const char *path, const struct object_id *oid, int flags, void *cb_data) |
bd321bcc | 275 | { |
109cd76d | 276 | struct object *o = parse_object(the_repository, oid); |
2afc29aa | 277 | struct name_ref_data *data = cb_data; |
98c5c4ad | 278 | int can_abbreviate_output = data->tags_only && data->name_only; |
bd321bcc | 279 | int deref = 0; |
dddbad72 | 280 | timestamp_t taggerdate = TIME_MAX; |
bd321bcc | 281 | |
59556548 | 282 | if (data->tags_only && !starts_with(path, "refs/tags/")) |
2afc29aa JS |
283 | return 0; |
284 | ||
96415b49 JK |
285 | if (data->exclude_filters.nr) { |
286 | struct string_list_item *item; | |
287 | ||
288 | for_each_string_list_item(item, &data->exclude_filters) { | |
289 | if (subpath_matches(path, item->string) >= 0) | |
290 | return 0; | |
291 | } | |
292 | } | |
293 | ||
290be667 JK |
294 | if (data->ref_filters.nr) { |
295 | struct string_list_item *item; | |
296 | int matched = 0; | |
297 | ||
298 | /* See if any of the patterns match. */ | |
299 | for_each_string_list_item(item, &data->ref_filters) { | |
300 | /* | |
301 | * Check all patterns even after finding a match, so | |
302 | * that we can see if a match with a subpath exists. | |
303 | * When a user asked for 'refs/tags/v*' and 'v1.*', | |
304 | * both of which match, the user is showing her | |
305 | * willingness to accept a shortened output by having | |
306 | * the 'v1.*' in the acceptable refnames, so we | |
307 | * shouldn't stop when seeing 'refs/tags/v1.4' matches | |
308 | * 'refs/tags/v*'. We should show it as 'v1.4'. | |
309 | */ | |
310 | switch (subpath_matches(path, item->string)) { | |
311 | case -1: /* did not match */ | |
312 | break; | |
313 | case 0: /* matched fully */ | |
314 | matched = 1; | |
315 | break; | |
316 | default: /* matched subpath */ | |
317 | matched = 1; | |
318 | can_abbreviate_output = 1; | |
319 | break; | |
320 | } | |
98c5c4ad | 321 | } |
290be667 JK |
322 | |
323 | /* If none of the patterns matched, stop now */ | |
324 | if (!matched) | |
325 | return 0; | |
98c5c4ad | 326 | } |
bd321bcc | 327 | |
511dca80 | 328 | add_to_tip_table(oid, path, can_abbreviate_output); |
b23e0b93 | 329 | |
1974632c | 330 | while (o && o->type == OBJ_TAG) { |
bd321bcc JS |
331 | struct tag *t = (struct tag *) o; |
332 | if (!t->tagged) | |
333 | break; /* broken repository */ | |
109cd76d | 334 | o = parse_object(the_repository, &t->tagged->oid); |
bd321bcc | 335 | deref = 1; |
75504248 | 336 | taggerdate = t->date; |
bd321bcc | 337 | } |
1974632c | 338 | if (o && o->type == OBJ_COMMIT) { |
bd321bcc | 339 | struct commit *commit = (struct commit *)o; |
ef1e7406 | 340 | int from_tag = starts_with(path, "refs/tags/"); |
bd321bcc | 341 | |
5554451d | 342 | if (taggerdate == TIME_MAX) |
e0c4da6f | 343 | taggerdate = commit->date; |
9608a190 | 344 | path = name_ref_abbrev(path, can_abbreviate_output); |
15a4205d | 345 | name_rev(commit, path, taggerdate, from_tag, deref); |
bd321bcc JS |
346 | } |
347 | return 0; | |
348 | } | |
349 | ||
b23e0b93 JH |
350 | static const unsigned char *nth_tip_table_ent(size_t ix, void *table_) |
351 | { | |
352 | struct tip_table_entry *table = table_; | |
511dca80 | 353 | return table[ix].oid.hash; |
b23e0b93 JH |
354 | } |
355 | ||
356 | static const char *get_exact_ref_match(const struct object *o) | |
357 | { | |
358 | int found; | |
359 | ||
360 | if (!tip_table.table || !tip_table.nr) | |
361 | return NULL; | |
362 | ||
363 | if (!tip_table.sorted) { | |
9ed0d8d6 | 364 | QSORT(tip_table.table, tip_table.nr, tipcmp); |
b23e0b93 JH |
365 | tip_table.sorted = 1; |
366 | } | |
367 | ||
ed1c9977 | 368 | found = sha1_pos(o->oid.hash, tip_table.table, tip_table.nr, |
b23e0b93 JH |
369 | nth_tip_table_ent); |
370 | if (0 <= found) | |
371 | return tip_table.table[found].refname; | |
372 | return NULL; | |
373 | } | |
374 | ||
903fc7da JK |
375 | /* may return a constant string or use "buf" as scratch space */ |
376 | static const char *get_rev_name(const struct object *o, struct strbuf *buf) | |
bd321bcc | 377 | { |
d3ff6f55 | 378 | struct rev_name *n; |
36d2419c | 379 | const struct commit *c; |
d3ff6f55 | 380 | |
1974632c | 381 | if (o->type != OBJ_COMMIT) |
b23e0b93 | 382 | return get_exact_ref_match(o); |
36d2419c | 383 | c = (const struct commit *) o; |
8fd79a73 | 384 | n = get_commit_rev_name(c); |
bd321bcc | 385 | if (!n) |
a2cf9f44 | 386 | return NULL; |
bd321bcc JS |
387 | |
388 | if (!n->generation) | |
389 | return n->tip_name; | |
59d3f541 | 390 | else { |
903fc7da | 391 | strbuf_reset(buf); |
c3794d4c RS |
392 | strbuf_addstr(buf, n->tip_name); |
393 | strbuf_strip_suffix(buf, "^0"); | |
394 | strbuf_addf(buf, "~%d", n->generation); | |
903fc7da | 395 | return buf->buf; |
59d3f541 | 396 | } |
bd321bcc | 397 | } |
1f1e895f | 398 | |
da2478db JH |
399 | static void show_name(const struct object *obj, |
400 | const char *caller_name, | |
401 | int always, int allow_undefined, int name_only) | |
402 | { | |
403 | const char *name; | |
f2fd0760 | 404 | const struct object_id *oid = &obj->oid; |
903fc7da | 405 | struct strbuf buf = STRBUF_INIT; |
da2478db JH |
406 | |
407 | if (!name_only) | |
f2fd0760 | 408 | printf("%s ", caller_name ? caller_name : oid_to_hex(oid)); |
903fc7da | 409 | name = get_rev_name(obj, &buf); |
da2478db JH |
410 | if (name) |
411 | printf("%s\n", name); | |
412 | else if (allow_undefined) | |
413 | printf("undefined\n"); | |
414 | else if (always) | |
aab9583f | 415 | printf("%s\n", find_unique_abbrev(oid, DEFAULT_ABBREV)); |
da2478db | 416 | else |
f2fd0760 | 417 | die("cannot describe '%s'", oid_to_hex(oid)); |
903fc7da | 418 | strbuf_release(&buf); |
da2478db JH |
419 | } |
420 | ||
edefb1a2 | 421 | static char const * const name_rev_usage[] = { |
9c9b4f2f AH |
422 | N_("git name-rev [<options>] <commit>..."), |
423 | N_("git name-rev [<options>] --all"), | |
424 | N_("git name-rev [<options>] --stdin"), | |
edefb1a2 PH |
425 | NULL |
426 | }; | |
427 | ||
e8b55fab JH |
428 | static void name_rev_line(char *p, struct name_ref_data *data) |
429 | { | |
903fc7da | 430 | struct strbuf buf = STRBUF_INIT; |
1c4675dc | 431 | int counter = 0; |
e8b55fab | 432 | char *p_start; |
1c4675dc | 433 | const unsigned hexsz = the_hash_algo->hexsz; |
434 | ||
e8b55fab JH |
435 | for (p_start = p; *p; p++) { |
436 | #define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f')) | |
437 | if (!ishex(*p)) | |
1c4675dc | 438 | counter = 0; |
439 | else if (++counter == hexsz && | |
e8b55fab | 440 | !ishex(*(p+1))) { |
511dca80 | 441 | struct object_id oid; |
e8b55fab JH |
442 | const char *name = NULL; |
443 | char c = *(p+1); | |
7c5b1675 | 444 | int p_len = p - p_start + 1; |
e8b55fab | 445 | |
1c4675dc | 446 | counter = 0; |
e8b55fab JH |
447 | |
448 | *(p+1) = 0; | |
1c4675dc | 449 | if (!get_oid(p - (hexsz - 1), &oid)) { |
e8b55fab | 450 | struct object *o = |
d0229abd | 451 | lookup_object(the_repository, &oid); |
e8b55fab | 452 | if (o) |
903fc7da | 453 | name = get_rev_name(o, &buf); |
e8b55fab JH |
454 | } |
455 | *(p+1) = c; | |
456 | ||
457 | if (!name) | |
458 | continue; | |
459 | ||
7c5b1675 | 460 | if (data->name_only) |
1c4675dc | 461 | printf("%.*s%s", p_len - hexsz, p_start, name); |
7c5b1675 RS |
462 | else |
463 | printf("%.*s (%s)", p_len, p_start, name); | |
e8b55fab JH |
464 | p_start = p + 1; |
465 | } | |
466 | } | |
467 | ||
468 | /* flush */ | |
469 | if (p_start != p) | |
470 | fwrite(p_start, p - p_start, 1, stdout); | |
903fc7da JK |
471 | |
472 | strbuf_release(&buf); | |
e8b55fab JH |
473 | } |
474 | ||
d6b64ed0 | 475 | int cmd_name_rev(int argc, const char **argv, const char *prefix) |
bd321bcc | 476 | { |
3cd47459 | 477 | struct object_array revs = OBJECT_ARRAY_INIT; |
adfc1857 | 478 | int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; |
96415b49 | 479 | struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP }; |
edefb1a2 | 480 | struct option opts[] = { |
d5d09d47 SB |
481 | OPT_BOOL(0, "name-only", &data.name_only, N_("print only names (no SHA-1)")), |
482 | OPT_BOOL(0, "tags", &data.tags_only, N_("only use tags to name the commits")), | |
290be667 | 483 | OPT_STRING_LIST(0, "refs", &data.ref_filters, N_("pattern"), |
422cad0a | 484 | N_("only use refs matching <pattern>")), |
96415b49 JK |
485 | OPT_STRING_LIST(0, "exclude", &data.exclude_filters, N_("pattern"), |
486 | N_("ignore refs matching <pattern>")), | |
edefb1a2 | 487 | OPT_GROUP(""), |
d5d09d47 SB |
488 | OPT_BOOL(0, "all", &all, N_("list all commits reachable from all refs")), |
489 | OPT_BOOL(0, "stdin", &transform_stdin, N_("read from stdin")), | |
490 | OPT_BOOL(0, "undefined", &allow_undefined, N_("allow to print `undefined` names (default)")), | |
491 | OPT_BOOL(0, "always", &always, | |
422cad0a | 492 | N_("show abbreviated commit object as fallback")), |
adfc1857 JH |
493 | { |
494 | /* A Hidden OPT_BOOL */ | |
495 | OPTION_SET_INT, 0, "peel-tag", &peel_tag, NULL, | |
496 | N_("dereference tags in the input (internal use)"), | |
497 | PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1, | |
498 | }, | |
edefb1a2 PH |
499 | OPT_END(), |
500 | }; | |
bd321bcc | 501 | |
8fd79a73 | 502 | init_commit_rev_name(&rev_names); |
ef90d6d4 | 503 | git_config(git_default_config, NULL); |
37782920 | 504 | argc = parse_options(argc, argv, prefix, opts, name_rev_usage, 0); |
05efb7b7 | 505 | if (all + transform_stdin + !!argc > 1) { |
edefb1a2 PH |
506 | error("Specify either a list, or --all, not both!"); |
507 | usage_with_options(name_rev_usage, opts); | |
508 | } | |
509 | if (all || transform_stdin) | |
510 | cutoff = 0; | |
bd321bcc | 511 | |
edefb1a2 | 512 | for (; argc; argc--, argv++) { |
511dca80 | 513 | struct object_id oid; |
118aa4ac | 514 | struct object *object; |
bd321bcc JS |
515 | struct commit *commit; |
516 | ||
511dca80 | 517 | if (get_oid(*argv, &oid)) { |
bd321bcc JS |
518 | fprintf(stderr, "Could not get sha1 for %s. Skipping.\n", |
519 | *argv); | |
520 | continue; | |
521 | } | |
522 | ||
118aa4ac | 523 | commit = NULL; |
109cd76d | 524 | object = parse_object(the_repository, &oid); |
118aa4ac | 525 | if (object) { |
a74093da SB |
526 | struct object *peeled = deref_tag(the_repository, |
527 | object, *argv, 0); | |
118aa4ac JH |
528 | if (peeled && peeled->type == OBJ_COMMIT) |
529 | commit = (struct commit *)peeled; | |
530 | } | |
531 | ||
532 | if (!object) { | |
533 | fprintf(stderr, "Could not get object for %s. Skipping.\n", | |
bd321bcc JS |
534 | *argv); |
535 | continue; | |
536 | } | |
537 | ||
118aa4ac JH |
538 | if (commit) { |
539 | if (cutoff > commit->date) | |
540 | cutoff = commit->date; | |
541 | } | |
adfc1857 JH |
542 | |
543 | if (peel_tag) { | |
544 | if (!commit) { | |
545 | fprintf(stderr, "Could not get commit for %s. Skipping.\n", | |
546 | *argv); | |
547 | continue; | |
548 | } | |
549 | object = (struct object *)commit; | |
550 | } | |
118aa4ac | 551 | add_object_array(object, *argv, &revs); |
bd321bcc JS |
552 | } |
553 | ||
2e09c012 SG |
554 | if (cutoff) { |
555 | /* check for undeflow */ | |
556 | if (cutoff > TIME_MIN + CUTOFF_DATE_SLOP) | |
557 | cutoff = cutoff - CUTOFF_DATE_SLOP; | |
558 | else | |
559 | cutoff = TIME_MIN; | |
560 | } | |
73868486 | 561 | for_each_ref(name_ref, &data); |
bd321bcc JS |
562 | |
563 | if (transform_stdin) { | |
564 | char buffer[2048]; | |
bd321bcc JS |
565 | |
566 | while (!feof(stdin)) { | |
e8b55fab | 567 | char *p = fgets(buffer, sizeof(buffer), stdin); |
bd321bcc JS |
568 | if (!p) |
569 | break; | |
e8b55fab | 570 | name_rev_line(p, &data); |
bd321bcc JS |
571 | } |
572 | } else if (all) { | |
fc046a75 | 573 | int i, max; |
bd321bcc | 574 | |
fc046a75 | 575 | max = get_max_object_index(); |
a83123de BS |
576 | for (i = 0; i < max; i++) { |
577 | struct object *obj = get_indexed_object(i); | |
e8b14d7e | 578 | if (!obj || obj->type != OBJ_COMMIT) |
a83123de BS |
579 | continue; |
580 | show_name(obj, NULL, | |
da2478db | 581 | always, allow_undefined, data.name_only); |
a83123de | 582 | } |
1f1e895f LT |
583 | } else { |
584 | int i; | |
da2478db JH |
585 | for (i = 0; i < revs.nr; i++) |
586 | show_name(revs.objects[i].item, revs.objects[i].name, | |
587 | always, allow_undefined, data.name_only); | |
1f1e895f | 588 | } |
bd321bcc | 589 | |
886e1084 | 590 | UNLEAK(revs); |
bd321bcc JS |
591 | return 0; |
592 | } |