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Commit | Line | Data |
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4264dc15 | 1 | #include "builtin.h" |
b2141fc1 | 2 | #include "config.h" |
697cc8ef | 3 | #include "lockfile.h" |
cbd53a21 | 4 | #include "object-store.h" |
109cd76d | 5 | #include "repository.h" |
4264dc15 JH |
6 | #include "commit.h" |
7 | #include "refs.h" | |
8 | #include "dir.h" | |
8d8b9f62 | 9 | #include "tree-walk.h" |
1389d9dd JH |
10 | #include "diff.h" |
11 | #include "revision.h" | |
12 | #include "reachable.h" | |
c9ef0d95 | 13 | #include "worktree.h" |
1389d9dd | 14 | |
fe2a1816 | 15 | /* NEEDSWORK: switch to using parse_options */ |
1389d9dd | 16 | static const char reflog_expire_usage[] = |
dd509db3 NTND |
17 | N_("git reflog expire [--expire=<time>] " |
18 | "[--expire-unreachable=<time>] " | |
19 | "[--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] " | |
20 | "[--verbose] [--all] <refs>..."); | |
3c386aa3 | 21 | static const char reflog_delete_usage[] = |
dd509db3 NTND |
22 | N_("git reflog delete [--rewrite] [--updateref] " |
23 | "[--dry-run | -n] [--verbose] <refs>..."); | |
afcb2e7a | 24 | static const char reflog_exists_usage[] = |
dd509db3 | 25 | N_("git reflog exists <ref>"); |
4264dc15 | 26 | |
dddbad72 JS |
27 | static timestamp_t default_reflog_expire; |
28 | static timestamp_t default_reflog_expire_unreachable; | |
4aec56d1 | 29 | |
1389d9dd JH |
30 | struct cmd_reflog_expire_cb { |
31 | struct rev_info revs; | |
1389d9dd | 32 | int stalefix; |
dddbad72 JS |
33 | timestamp_t expire_total; |
34 | timestamp_t expire_unreachable; | |
552cecc2 | 35 | int recno; |
1389d9dd JH |
36 | }; |
37 | ||
ea7b4f6d | 38 | struct expire_reflog_policy_cb { |
03cb91b1 JH |
39 | enum { |
40 | UE_NORMAL, | |
41 | UE_ALWAYS, | |
42 | UE_HEAD | |
43 | } unreachable_expire_kind; | |
b4ca1db9 JH |
44 | struct commit_list *mark_list; |
45 | unsigned long mark_limit; | |
b729effb | 46 | struct cmd_reflog_expire_cb cmd; |
c48a1635 MH |
47 | struct commit *tip_commit; |
48 | struct commit_list *tips; | |
4264dc15 JH |
49 | }; |
50 | ||
bda3a31c | 51 | struct collected_reflog { |
b8acac54 | 52 | struct object_id oid; |
bda3a31c JH |
53 | char reflog[FLEX_ARRAY]; |
54 | }; | |
ddd64c56 | 55 | |
bda3a31c JH |
56 | struct collect_reflog_cb { |
57 | struct collected_reflog **e; | |
58 | int alloc; | |
59 | int nr; | |
c9ef0d95 | 60 | struct worktree *wt; |
bda3a31c JH |
61 | }; |
62 | ||
95308d64 | 63 | /* Remember to update object flag allocation in object.h */ |
cd1f9c36 JH |
64 | #define INCOMPLETE (1u<<10) |
65 | #define STUDYING (1u<<11) | |
494fbfe8 | 66 | #define REACHABLE (1u<<12) |
cd1f9c36 | 67 | |
49a09e74 | 68 | static int tree_is_complete(const struct object_id *oid) |
8d8b9f62 JH |
69 | { |
70 | struct tree_desc desc; | |
cd1f9c36 JH |
71 | struct name_entry entry; |
72 | int complete; | |
73 | struct tree *tree; | |
8d8b9f62 | 74 | |
f86bcc7b | 75 | tree = lookup_tree(the_repository, oid); |
cd1f9c36 | 76 | if (!tree) |
8d8b9f62 | 77 | return 0; |
cd1f9c36 JH |
78 | if (tree->object.flags & SEEN) |
79 | return 1; | |
80 | if (tree->object.flags & INCOMPLETE) | |
81 | return 0; | |
82 | ||
6fda5e51 | 83 | if (!tree->buffer) { |
21666f1a | 84 | enum object_type type; |
6fda5e51 | 85 | unsigned long size; |
b4f5aca4 | 86 | void *data = read_object_file(oid, &type, &size); |
cd1f9c36 JH |
87 | if (!data) { |
88 | tree->object.flags |= INCOMPLETE; | |
8d8b9f62 JH |
89 | return 0; |
90 | } | |
cd1f9c36 | 91 | tree->buffer = data; |
6fda5e51 | 92 | tree->size = size; |
8d8b9f62 | 93 | } |
6fda5e51 | 94 | init_tree_desc(&desc, tree->buffer, tree->size); |
cd1f9c36 JH |
95 | complete = 1; |
96 | while (tree_entry(&desc, &entry)) { | |
cba595ab | 97 | if (!has_object_file(&entry.oid) || |
ea82b2a0 | 98 | (S_ISDIR(entry.mode) && !tree_is_complete(&entry.oid))) { |
cd1f9c36 JH |
99 | tree->object.flags |= INCOMPLETE; |
100 | complete = 0; | |
101 | } | |
102 | } | |
6e454b9a | 103 | free_tree_buffer(tree); |
8d8b9f62 | 104 | |
cd1f9c36 JH |
105 | if (complete) |
106 | tree->object.flags |= SEEN; | |
107 | return complete; | |
108 | } | |
1389d9dd JH |
109 | |
110 | static int commit_is_complete(struct commit *commit) | |
111 | { | |
112 | struct object_array study; | |
113 | struct object_array found; | |
114 | int is_incomplete = 0; | |
115 | int i; | |
116 | ||
117 | /* early return */ | |
118 | if (commit->object.flags & SEEN) | |
119 | return 1; | |
120 | if (commit->object.flags & INCOMPLETE) | |
121 | return 0; | |
122 | /* | |
123 | * Find all commits that are reachable and are not marked as | |
124 | * SEEN. Then make sure the trees and blobs contained are | |
125 | * complete. After that, mark these commits also as SEEN. | |
126 | * If some of the objects that are needed to complete this | |
127 | * commit are missing, mark this commit as INCOMPLETE. | |
128 | */ | |
129 | memset(&study, 0, sizeof(study)); | |
130 | memset(&found, 0, sizeof(found)); | |
131 | add_object_array(&commit->object, NULL, &study); | |
132 | add_object_array(&commit->object, NULL, &found); | |
133 | commit->object.flags |= STUDYING; | |
134 | while (study.nr) { | |
135 | struct commit *c; | |
136 | struct commit_list *parent; | |
137 | ||
71992039 | 138 | c = (struct commit *)object_array_pop(&study); |
109cd76d | 139 | if (!c->object.parsed && !parse_object(the_repository, &c->object.oid)) |
1389d9dd JH |
140 | c->object.flags |= INCOMPLETE; |
141 | ||
142 | if (c->object.flags & INCOMPLETE) { | |
143 | is_incomplete = 1; | |
144 | break; | |
145 | } | |
146 | else if (c->object.flags & SEEN) | |
147 | continue; | |
148 | for (parent = c->parents; parent; parent = parent->next) { | |
149 | struct commit *p = parent->item; | |
150 | if (p->object.flags & STUDYING) | |
151 | continue; | |
152 | p->object.flags |= STUDYING; | |
153 | add_object_array(&p->object, NULL, &study); | |
154 | add_object_array(&p->object, NULL, &found); | |
155 | } | |
156 | } | |
157 | if (!is_incomplete) { | |
cd1f9c36 JH |
158 | /* |
159 | * make sure all commits in "found" array have all the | |
1389d9dd JH |
160 | * necessary objects. |
161 | */ | |
cd1f9c36 | 162 | for (i = 0; i < found.nr; i++) { |
1389d9dd JH |
163 | struct commit *c = |
164 | (struct commit *)found.objects[i].item; | |
2e27bd77 | 165 | if (!tree_is_complete(get_commit_tree_oid(c))) { |
1389d9dd | 166 | is_incomplete = 1; |
cd1f9c36 JH |
167 | c->object.flags |= INCOMPLETE; |
168 | } | |
1389d9dd JH |
169 | } |
170 | if (!is_incomplete) { | |
171 | /* mark all found commits as complete, iow SEEN */ | |
172 | for (i = 0; i < found.nr; i++) | |
173 | found.objects[i].item->flags |= SEEN; | |
174 | } | |
175 | } | |
176 | /* clear flags from the objects we traversed */ | |
177 | for (i = 0; i < found.nr; i++) | |
178 | found.objects[i].item->flags &= ~STUDYING; | |
179 | if (is_incomplete) | |
180 | commit->object.flags |= INCOMPLETE; | |
cd1f9c36 JH |
181 | else { |
182 | /* | |
183 | * If we come here, we have (1) traversed the ancestry chain | |
184 | * from the "commit" until we reach SEEN commits (which are | |
185 | * known to be complete), and (2) made sure that the commits | |
186 | * encountered during the above traversal refer to trees that | |
187 | * are complete. Which means that we know *all* the commits | |
188 | * we have seen during this process are complete. | |
189 | */ | |
190 | for (i = 0; i < found.nr; i++) | |
191 | found.objects[i].item->flags |= SEEN; | |
192 | } | |
1389d9dd | 193 | /* free object arrays */ |
dcb572ab MÅ |
194 | object_array_clear(&study); |
195 | object_array_clear(&found); | |
1389d9dd JH |
196 | return !is_incomplete; |
197 | } | |
198 | ||
4322478a | 199 | static int keep_entry(struct commit **it, struct object_id *oid) |
4264dc15 | 200 | { |
8d8b9f62 JH |
201 | struct commit *commit; |
202 | ||
4322478a | 203 | if (is_null_oid(oid)) |
4264dc15 | 204 | return 1; |
21e1ee8f | 205 | commit = lookup_commit_reference_gently(the_repository, oid, 1); |
8d8b9f62 JH |
206 | if (!commit) |
207 | return 0; | |
208 | ||
1389d9dd JH |
209 | /* |
210 | * Make sure everything in this commit exists. | |
211 | * | |
212 | * We have walked all the objects reachable from the refs | |
213 | * and cache earlier. The commits reachable by this commit | |
214 | * must meet SEEN commits -- and then we should mark them as | |
215 | * SEEN as well. | |
216 | */ | |
217 | if (!commit_is_complete(commit)) | |
8d8b9f62 JH |
218 | return 0; |
219 | *it = commit; | |
220 | return 1; | |
4264dc15 JH |
221 | } |
222 | ||
b4ca1db9 JH |
223 | /* |
224 | * Starting from commits in the cb->mark_list, mark commits that are | |
225 | * reachable from them. Stop the traversal at commits older than | |
226 | * the expire_limit and queue them back, so that the caller can call | |
227 | * us again to restart the traversal with longer expire_limit. | |
228 | */ | |
ea7b4f6d | 229 | static void mark_reachable(struct expire_reflog_policy_cb *cb) |
666e07e6 | 230 | { |
b4ca1db9 | 231 | struct commit_list *pending; |
dddbad72 | 232 | timestamp_t expire_limit = cb->mark_limit; |
b4ca1db9 | 233 | struct commit_list *leftover = NULL; |
666e07e6 | 234 | |
b4ca1db9 JH |
235 | for (pending = cb->mark_list; pending; pending = pending->next) |
236 | pending->item->object.flags &= ~REACHABLE; | |
494fbfe8 | 237 | |
b4ca1db9 | 238 | pending = cb->mark_list; |
494fbfe8 | 239 | while (pending) { |
494fbfe8 | 240 | struct commit_list *parent; |
e510ab89 | 241 | struct commit *commit = pop_commit(&pending); |
494fbfe8 JH |
242 | if (commit->object.flags & REACHABLE) |
243 | continue; | |
244 | if (parse_commit(commit)) | |
245 | continue; | |
246 | commit->object.flags |= REACHABLE; | |
b4ca1db9 JH |
247 | if (commit->date < expire_limit) { |
248 | commit_list_insert(commit, &leftover); | |
494fbfe8 | 249 | continue; |
b4ca1db9 JH |
250 | } |
251 | commit->object.flags |= REACHABLE; | |
494fbfe8 JH |
252 | parent = commit->parents; |
253 | while (parent) { | |
254 | commit = parent->item; | |
255 | parent = parent->next; | |
256 | if (commit->object.flags & REACHABLE) | |
257 | continue; | |
258 | commit_list_insert(commit, &pending); | |
259 | } | |
260 | } | |
b4ca1db9 JH |
261 | cb->mark_list = leftover; |
262 | } | |
263 | ||
4322478a | 264 | static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, struct object_id *oid) |
b4ca1db9 JH |
265 | { |
266 | /* | |
267 | * We may or may not have the commit yet - if not, look it | |
268 | * up using the supplied sha1. | |
269 | */ | |
270 | if (!commit) { | |
4322478a | 271 | if (is_null_oid(oid)) |
b4ca1db9 JH |
272 | return 0; |
273 | ||
21e1ee8f SB |
274 | commit = lookup_commit_reference_gently(the_repository, oid, |
275 | 1); | |
b4ca1db9 JH |
276 | |
277 | /* Not a commit -- keep it */ | |
278 | if (!commit) | |
279 | return 0; | |
280 | } | |
281 | ||
282 | /* Reachable from the current ref? Don't prune. */ | |
283 | if (commit->object.flags & REACHABLE) | |
284 | return 0; | |
285 | ||
286 | if (cb->mark_list && cb->mark_limit) { | |
287 | cb->mark_limit = 0; /* dig down to the root */ | |
288 | mark_reachable(cb); | |
289 | } | |
290 | ||
291 | return !(commit->object.flags & REACHABLE); | |
494fbfe8 JH |
292 | } |
293 | ||
60cc3c40 MH |
294 | /* |
295 | * Return true iff the specified reflog entry should be expired. | |
296 | */ | |
4322478a | 297 | static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *noid, |
dddbad72 | 298 | const char *email, timestamp_t timestamp, int tz, |
60cc3c40 | 299 | const char *message, void *cb_data) |
4264dc15 | 300 | { |
ea7b4f6d | 301 | struct expire_reflog_policy_cb *cb = cb_data; |
dfa5990d | 302 | struct commit *old_commit, *new_commit; |
4264dc15 | 303 | |
b729effb | 304 | if (timestamp < cb->cmd.expire_total) |
60cc3c40 | 305 | return 1; |
2b81fab2 | 306 | |
dfa5990d | 307 | old_commit = new_commit = NULL; |
b729effb | 308 | if (cb->cmd.stalefix && |
dfa5990d | 309 | (!keep_entry(&old_commit, ooid) || !keep_entry(&new_commit, noid))) |
60cc3c40 | 310 | return 1; |
4264dc15 | 311 | |
b729effb | 312 | if (timestamp < cb->cmd.expire_unreachable) { |
03cb91b1 | 313 | if (cb->unreachable_expire_kind == UE_ALWAYS) |
60cc3c40 | 314 | return 1; |
dfa5990d | 315 | if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid)) |
60cc3c40 | 316 | return 1; |
9bbaa6cc | 317 | } |
4264dc15 | 318 | |
b729effb | 319 | if (cb->cmd.recno && --(cb->cmd.recno) == 0) |
60cc3c40 MH |
320 | return 1; |
321 | ||
4264dc15 | 322 | return 0; |
60cc3c40 MH |
323 | } |
324 | ||
5bcad1bc | 325 | static int push_tip_to_list(const char *refname, const struct object_id *oid, |
ea7b4f6d | 326 | int flags, void *cb_data) |
03cb91b1 JH |
327 | { |
328 | struct commit_list **list = cb_data; | |
329 | struct commit *tip_commit; | |
330 | if (flags & REF_ISSYMREF) | |
331 | return 0; | |
21e1ee8f | 332 | tip_commit = lookup_commit_reference_gently(the_repository, oid, 1); |
03cb91b1 JH |
333 | if (!tip_commit) |
334 | return 0; | |
335 | commit_list_insert(tip_commit, list); | |
336 | return 0; | |
337 | } | |
338 | ||
c9ef0d95 NTND |
339 | static int is_head(const char *refname) |
340 | { | |
341 | switch (ref_type(refname)) { | |
342 | case REF_TYPE_OTHER_PSEUDOREF: | |
343 | case REF_TYPE_MAIN_PSEUDOREF: | |
344 | if (parse_worktree_ref(refname, NULL, NULL, &refname)) | |
345 | BUG("not a worktree ref: %s", refname); | |
346 | break; | |
347 | default: | |
348 | break; | |
349 | } | |
350 | return !strcmp(refname, "HEAD"); | |
351 | } | |
352 | ||
c48a1635 | 353 | static void reflog_expiry_prepare(const char *refname, |
4322478a | 354 | const struct object_id *oid, |
b729effb | 355 | void *cb_data) |
c48a1635 | 356 | { |
b729effb MH |
357 | struct expire_reflog_policy_cb *cb = cb_data; |
358 | ||
c9ef0d95 | 359 | if (!cb->cmd.expire_unreachable || is_head(refname)) { |
c48a1635 MH |
360 | cb->tip_commit = NULL; |
361 | cb->unreachable_expire_kind = UE_HEAD; | |
362 | } else { | |
21e1ee8f SB |
363 | cb->tip_commit = lookup_commit_reference_gently(the_repository, |
364 | oid, 1); | |
c48a1635 MH |
365 | if (!cb->tip_commit) |
366 | cb->unreachable_expire_kind = UE_ALWAYS; | |
367 | else | |
368 | cb->unreachable_expire_kind = UE_NORMAL; | |
369 | } | |
370 | ||
b729effb | 371 | if (cb->cmd.expire_unreachable <= cb->cmd.expire_total) |
c48a1635 MH |
372 | cb->unreachable_expire_kind = UE_ALWAYS; |
373 | ||
374 | cb->mark_list = NULL; | |
375 | cb->tips = NULL; | |
376 | if (cb->unreachable_expire_kind != UE_ALWAYS) { | |
377 | if (cb->unreachable_expire_kind == UE_HEAD) { | |
378 | struct commit_list *elem; | |
2b2a5be3 | 379 | |
5bcad1bc | 380 | for_each_ref(push_tip_to_list, &cb->tips); |
c48a1635 MH |
381 | for (elem = cb->tips; elem; elem = elem->next) |
382 | commit_list_insert(elem->item, &cb->mark_list); | |
383 | } else { | |
384 | commit_list_insert(cb->tip_commit, &cb->mark_list); | |
385 | } | |
b729effb | 386 | cb->mark_limit = cb->cmd.expire_total; |
c48a1635 MH |
387 | mark_reachable(cb); |
388 | } | |
389 | } | |
390 | ||
b729effb | 391 | static void reflog_expiry_cleanup(void *cb_data) |
c48a1635 | 392 | { |
b729effb MH |
393 | struct expire_reflog_policy_cb *cb = cb_data; |
394 | ||
c48a1635 MH |
395 | if (cb->unreachable_expire_kind != UE_ALWAYS) { |
396 | if (cb->unreachable_expire_kind == UE_HEAD) { | |
397 | struct commit_list *elem; | |
398 | for (elem = cb->tips; elem; elem = elem->next) | |
399 | clear_commit_marks(elem->item, REACHABLE); | |
400 | free_commit_list(cb->tips); | |
401 | } else { | |
402 | clear_commit_marks(cb->tip_commit, REACHABLE); | |
403 | } | |
404 | } | |
405 | } | |
406 | ||
5bcad1bc | 407 | static int collect_reflog(const char *ref, const struct object_id *oid, int unused, void *cb_data) |
bda3a31c JH |
408 | { |
409 | struct collected_reflog *e; | |
410 | struct collect_reflog_cb *cb = cb_data; | |
c9ef0d95 NTND |
411 | struct strbuf newref = STRBUF_INIT; |
412 | ||
413 | /* | |
414 | * Avoid collecting the same shared ref multiple times because | |
415 | * they are available via all worktrees. | |
416 | */ | |
417 | if (!cb->wt->is_current && ref_type(ref) == REF_TYPE_NORMAL) | |
418 | return 0; | |
419 | ||
420 | strbuf_worktree_ref(cb->wt, &newref, ref); | |
421 | FLEX_ALLOC_STR(e, reflog, newref.buf); | |
422 | strbuf_release(&newref); | |
bda3a31c | 423 | |
b8acac54 | 424 | oidcpy(&e->oid, oid); |
bda3a31c JH |
425 | ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc); |
426 | cb->e[cb->nr++] = e; | |
427 | return 0; | |
428 | } | |
429 | ||
3cb22b8e JH |
430 | static struct reflog_expire_cfg { |
431 | struct reflog_expire_cfg *next; | |
dddbad72 JS |
432 | timestamp_t expire_total; |
433 | timestamp_t expire_unreachable; | |
3cb22b8e JH |
434 | char pattern[FLEX_ARRAY]; |
435 | } *reflog_expire_cfg, **reflog_expire_cfg_tail; | |
436 | ||
437 | static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len) | |
4aec56d1 | 438 | { |
3cb22b8e JH |
439 | struct reflog_expire_cfg *ent; |
440 | ||
441 | if (!reflog_expire_cfg_tail) | |
442 | reflog_expire_cfg_tail = &reflog_expire_cfg; | |
443 | ||
444 | for (ent = reflog_expire_cfg; ent; ent = ent->next) | |
c3a700fb JK |
445 | if (!strncmp(ent->pattern, pattern, len) && |
446 | ent->pattern[len] == '\0') | |
3cb22b8e JH |
447 | return ent; |
448 | ||
96ffc06f | 449 | FLEX_ALLOC_MEM(ent, pattern, pattern, len); |
3cb22b8e JH |
450 | *reflog_expire_cfg_tail = ent; |
451 | reflog_expire_cfg_tail = &(ent->next); | |
452 | return ent; | |
453 | } | |
454 | ||
3cb22b8e JH |
455 | /* expiry timer slot */ |
456 | #define EXPIRE_TOTAL 01 | |
457 | #define EXPIRE_UNREACH 02 | |
458 | ||
459 | static int reflog_expire_config(const char *var, const char *value, void *cb) | |
460 | { | |
b3873c33 | 461 | const char *pattern, *key; |
f5914f4b | 462 | size_t pattern_len; |
dddbad72 | 463 | timestamp_t expire; |
3cb22b8e JH |
464 | int slot; |
465 | struct reflog_expire_cfg *ent; | |
466 | ||
b3873c33 | 467 | if (parse_config_key(var, "gc", &pattern, &pattern_len, &key) < 0) |
3cb22b8e JH |
468 | return git_default_config(var, value, cb); |
469 | ||
b3873c33 | 470 | if (!strcmp(key, "reflogexpire")) { |
3cb22b8e | 471 | slot = EXPIRE_TOTAL; |
5f967424 | 472 | if (git_config_expiry_date(&expire, var, value)) |
3cb22b8e | 473 | return -1; |
b3873c33 | 474 | } else if (!strcmp(key, "reflogexpireunreachable")) { |
3cb22b8e | 475 | slot = EXPIRE_UNREACH; |
5f967424 | 476 | if (git_config_expiry_date(&expire, var, value)) |
3cb22b8e JH |
477 | return -1; |
478 | } else | |
479 | return git_default_config(var, value, cb); | |
480 | ||
b3873c33 | 481 | if (!pattern) { |
3cb22b8e JH |
482 | switch (slot) { |
483 | case EXPIRE_TOTAL: | |
484 | default_reflog_expire = expire; | |
485 | break; | |
486 | case EXPIRE_UNREACH: | |
487 | default_reflog_expire_unreachable = expire; | |
488 | break; | |
489 | } | |
4f342b96 JH |
490 | return 0; |
491 | } | |
3cb22b8e | 492 | |
b3873c33 | 493 | ent = find_cfg_ent(pattern, pattern_len); |
3cb22b8e JH |
494 | if (!ent) |
495 | return -1; | |
496 | switch (slot) { | |
497 | case EXPIRE_TOTAL: | |
498 | ent->expire_total = expire; | |
499 | break; | |
500 | case EXPIRE_UNREACH: | |
501 | ent->expire_unreachable = expire; | |
502 | break; | |
503 | } | |
504 | return 0; | |
505 | } | |
506 | ||
507 | static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, const char *ref) | |
508 | { | |
509 | struct reflog_expire_cfg *ent; | |
510 | ||
511 | if (slot == (EXPIRE_TOTAL|EXPIRE_UNREACH)) | |
512 | return; /* both given explicitly -- nothing to tweak */ | |
513 | ||
514 | for (ent = reflog_expire_cfg; ent; ent = ent->next) { | |
55d34269 | 515 | if (!wildmatch(ent->pattern, ref, 0)) { |
3cb22b8e JH |
516 | if (!(slot & EXPIRE_TOTAL)) |
517 | cb->expire_total = ent->expire_total; | |
518 | if (!(slot & EXPIRE_UNREACH)) | |
519 | cb->expire_unreachable = ent->expire_unreachable; | |
520 | return; | |
521 | } | |
522 | } | |
523 | ||
60bce2bb JH |
524 | /* |
525 | * If unconfigured, make stash never expire | |
526 | */ | |
527 | if (!strcmp(ref, "refs/stash")) { | |
528 | if (!(slot & EXPIRE_TOTAL)) | |
529 | cb->expire_total = 0; | |
530 | if (!(slot & EXPIRE_UNREACH)) | |
531 | cb->expire_unreachable = 0; | |
532 | return; | |
533 | } | |
534 | ||
3cb22b8e JH |
535 | /* Nothing matched -- use the default value */ |
536 | if (!(slot & EXPIRE_TOTAL)) | |
537 | cb->expire_total = default_reflog_expire; | |
538 | if (!(slot & EXPIRE_UNREACH)) | |
539 | cb->expire_unreachable = default_reflog_expire_unreachable; | |
4aec56d1 JH |
540 | } |
541 | ||
4264dc15 JH |
542 | static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) |
543 | { | |
b729effb | 544 | struct expire_reflog_policy_cb cb; |
dddbad72 | 545 | timestamp_t now = time(NULL); |
c9ef0d95 | 546 | int i, status, do_all, all_worktrees = 1; |
3cb22b8e | 547 | int explicit_expiry = 0; |
aba56c89 | 548 | unsigned int flags = 0; |
4264dc15 | 549 | |
4a9f4394 AS |
550 | default_reflog_expire_unreachable = now - 30 * 24 * 3600; |
551 | default_reflog_expire = now - 90 * 24 * 3600; | |
ef90d6d4 | 552 | git_config(reflog_expire_config, NULL); |
4aec56d1 | 553 | |
4264dc15 JH |
554 | save_commit_buffer = 0; |
555 | do_all = status = 0; | |
556 | memset(&cb, 0, sizeof(cb)); | |
4aec56d1 | 557 | |
b729effb MH |
558 | cb.cmd.expire_total = default_reflog_expire; |
559 | cb.cmd.expire_unreachable = default_reflog_expire_unreachable; | |
4264dc15 JH |
560 | |
561 | for (i = 1; i < argc; i++) { | |
562 | const char *arg = argv[i]; | |
145136a9 | 563 | |
4264dc15 | 564 | if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) |
98f31d85 | 565 | flags |= EXPIRE_REFLOGS_DRY_RUN; |
145136a9 JH |
566 | else if (skip_prefix(arg, "--expire=", &arg)) { |
567 | if (parse_expiry_date(arg, &cb.cmd.expire_total)) | |
3d27b9b0 | 568 | die(_("'%s' is not a valid timestamp"), arg); |
3cb22b8e JH |
569 | explicit_expiry |= EXPIRE_TOTAL; |
570 | } | |
145136a9 JH |
571 | else if (skip_prefix(arg, "--expire-unreachable=", &arg)) { |
572 | if (parse_expiry_date(arg, &cb.cmd.expire_unreachable)) | |
3d27b9b0 | 573 | die(_("'%s' is not a valid timestamp"), arg); |
3cb22b8e JH |
574 | explicit_expiry |= EXPIRE_UNREACH; |
575 | } | |
1389d9dd | 576 | else if (!strcmp(arg, "--stale-fix")) |
b729effb | 577 | cb.cmd.stalefix = 1; |
2b81fab2 | 578 | else if (!strcmp(arg, "--rewrite")) |
553daf13 | 579 | flags |= EXPIRE_REFLOGS_REWRITE; |
55f10565 | 580 | else if (!strcmp(arg, "--updateref")) |
c4c4fbf8 | 581 | flags |= EXPIRE_REFLOGS_UPDATE_REF; |
4264dc15 JH |
582 | else if (!strcmp(arg, "--all")) |
583 | do_all = 1; | |
c9ef0d95 NTND |
584 | else if (!strcmp(arg, "--single-worktree")) |
585 | all_worktrees = 0; | |
1389d9dd | 586 | else if (!strcmp(arg, "--verbose")) |
bc11155c | 587 | flags |= EXPIRE_REFLOGS_VERBOSE; |
4264dc15 JH |
588 | else if (!strcmp(arg, "--")) { |
589 | i++; | |
590 | break; | |
591 | } | |
592 | else if (arg[0] == '-') | |
dd509db3 | 593 | usage(_(reflog_expire_usage)); |
4264dc15 JH |
594 | else |
595 | break; | |
596 | } | |
3cb22b8e JH |
597 | |
598 | /* | |
599 | * We can trust the commits and objects reachable from refs | |
600 | * even in older repository. We cannot trust what's reachable | |
601 | * from reflog if the repository was pruned with older git. | |
602 | */ | |
b729effb | 603 | if (cb.cmd.stalefix) { |
2abf3503 | 604 | repo_init_revisions(the_repository, &cb.cmd.revs, prefix); |
bc11155c | 605 | if (flags & EXPIRE_REFLOGS_VERBOSE) |
dd509db3 | 606 | printf(_("Marking reachable objects...")); |
b729effb | 607 | mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL); |
bc11155c | 608 | if (flags & EXPIRE_REFLOGS_VERBOSE) |
1389d9dd JH |
609 | putchar('\n'); |
610 | } | |
611 | ||
bda3a31c JH |
612 | if (do_all) { |
613 | struct collect_reflog_cb collected; | |
c9ef0d95 | 614 | struct worktree **worktrees, **p; |
bda3a31c JH |
615 | int i; |
616 | ||
617 | memset(&collected, 0, sizeof(collected)); | |
03f2465b | 618 | worktrees = get_worktrees(); |
c9ef0d95 NTND |
619 | for (p = worktrees; *p; p++) { |
620 | if (!all_worktrees && !(*p)->is_current) | |
621 | continue; | |
622 | collected.wt = *p; | |
623 | refs_for_each_reflog(get_worktree_ref_store(*p), | |
624 | collect_reflog, &collected); | |
625 | } | |
626 | free_worktrees(worktrees); | |
bda3a31c JH |
627 | for (i = 0; i < collected.nr; i++) { |
628 | struct collected_reflog *e = collected.e[i]; | |
b729effb | 629 | set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog); |
0155f710 | 630 | status |= reflog_expire(e->reflog, &e->oid, flags, |
fa5b1830 MH |
631 | reflog_expiry_prepare, |
632 | should_expire_reflog_ent, | |
633 | reflog_expiry_cleanup, | |
634 | &cb); | |
bda3a31c JH |
635 | free(e); |
636 | } | |
637 | free(collected.e); | |
638 | } | |
639 | ||
90fb46ec PB |
640 | for (; i < argc; i++) { |
641 | char *ref; | |
b8acac54 | 642 | struct object_id oid; |
334dc52f | 643 | if (!dwim_log(argv[i], strlen(argv[i]), &oid, &ref)) { |
dd509db3 | 644 | status |= error(_("%s points nowhere!"), argv[i]); |
4264dc15 JH |
645 | continue; |
646 | } | |
b729effb | 647 | set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref); |
0155f710 | 648 | status |= reflog_expire(ref, &oid, flags, |
fa5b1830 MH |
649 | reflog_expiry_prepare, |
650 | should_expire_reflog_ent, | |
651 | reflog_expiry_cleanup, | |
652 | &cb); | |
4264dc15 JH |
653 | } |
654 | return status; | |
655 | } | |
656 | ||
9461d272 | 657 | static int count_reflog_ent(struct object_id *ooid, struct object_id *noid, |
dddbad72 | 658 | const char *email, timestamp_t timestamp, int tz, |
552cecc2 JS |
659 | const char *message, void *cb_data) |
660 | { | |
b729effb MH |
661 | struct expire_reflog_policy_cb *cb = cb_data; |
662 | if (!cb->cmd.expire_total || timestamp < cb->cmd.expire_total) | |
663 | cb->cmd.recno++; | |
552cecc2 JS |
664 | return 0; |
665 | } | |
666 | ||
667 | static int cmd_reflog_delete(int argc, const char **argv, const char *prefix) | |
668 | { | |
b729effb | 669 | struct expire_reflog_policy_cb cb; |
552cecc2 | 670 | int i, status = 0; |
aba56c89 | 671 | unsigned int flags = 0; |
552cecc2 | 672 | |
552cecc2 JS |
673 | memset(&cb, 0, sizeof(cb)); |
674 | ||
675 | for (i = 1; i < argc; i++) { | |
3c386aa3 BC |
676 | const char *arg = argv[i]; |
677 | if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n")) | |
98f31d85 | 678 | flags |= EXPIRE_REFLOGS_DRY_RUN; |
2b81fab2 | 679 | else if (!strcmp(arg, "--rewrite")) |
553daf13 | 680 | flags |= EXPIRE_REFLOGS_REWRITE; |
55f10565 | 681 | else if (!strcmp(arg, "--updateref")) |
c4c4fbf8 | 682 | flags |= EXPIRE_REFLOGS_UPDATE_REF; |
3c386aa3 | 683 | else if (!strcmp(arg, "--verbose")) |
bc11155c | 684 | flags |= EXPIRE_REFLOGS_VERBOSE; |
3c386aa3 BC |
685 | else if (!strcmp(arg, "--")) { |
686 | i++; | |
687 | break; | |
688 | } | |
689 | else if (arg[0] == '-') | |
dd509db3 | 690 | usage(_(reflog_delete_usage)); |
3c386aa3 BC |
691 | else |
692 | break; | |
693 | } | |
694 | ||
695 | if (argc - i < 1) | |
dd509db3 | 696 | return error(_("no reflog specified to delete")); |
3c386aa3 BC |
697 | |
698 | for ( ; i < argc; i++) { | |
552cecc2 | 699 | const char *spec = strstr(argv[i], "@{"); |
b8acac54 | 700 | struct object_id oid; |
552cecc2 JS |
701 | char *ep, *ref; |
702 | int recno; | |
703 | ||
704 | if (!spec) { | |
dd509db3 | 705 | status |= error(_("not a reflog: %s"), argv[i]); |
552cecc2 JS |
706 | continue; |
707 | } | |
708 | ||
334dc52f | 709 | if (!dwim_log(argv[i], spec - argv[i], &oid, &ref)) { |
dd509db3 | 710 | status |= error(_("no reflog for '%s'"), argv[i]); |
552cecc2 JS |
711 | continue; |
712 | } | |
713 | ||
714 | recno = strtoul(spec + 2, &ep, 10); | |
715 | if (*ep == '}') { | |
b729effb | 716 | cb.cmd.recno = -recno; |
552cecc2 JS |
717 | for_each_reflog_ent(ref, count_reflog_ent, &cb); |
718 | } else { | |
b729effb | 719 | cb.cmd.expire_total = approxidate(spec + 2); |
552cecc2 | 720 | for_each_reflog_ent(ref, count_reflog_ent, &cb); |
b729effb | 721 | cb.cmd.expire_total = 0; |
552cecc2 JS |
722 | } |
723 | ||
0155f710 | 724 | status |= reflog_expire(ref, &oid, flags, |
fa5b1830 MH |
725 | reflog_expiry_prepare, |
726 | should_expire_reflog_ent, | |
727 | reflog_expiry_cleanup, | |
728 | &cb); | |
552cecc2 JS |
729 | free(ref); |
730 | } | |
731 | return status; | |
732 | } | |
733 | ||
afcb2e7a DT |
734 | static int cmd_reflog_exists(int argc, const char **argv, const char *prefix) |
735 | { | |
736 | int i, start = 0; | |
737 | ||
738 | for (i = 1; i < argc; i++) { | |
739 | const char *arg = argv[i]; | |
740 | if (!strcmp(arg, "--")) { | |
741 | i++; | |
742 | break; | |
743 | } | |
744 | else if (arg[0] == '-') | |
dd509db3 | 745 | usage(_(reflog_exists_usage)); |
afcb2e7a DT |
746 | else |
747 | break; | |
748 | } | |
749 | ||
750 | start = i; | |
751 | ||
752 | if (argc - start != 1) | |
dd509db3 | 753 | usage(_(reflog_exists_usage)); |
afcb2e7a DT |
754 | |
755 | if (check_refname_format(argv[start], REFNAME_ALLOW_ONELEVEL)) | |
dd509db3 | 756 | die(_("invalid ref format: %s"), argv[start]); |
afcb2e7a DT |
757 | return !reflog_exists(argv[start]); |
758 | } | |
759 | ||
1389d9dd JH |
760 | /* |
761 | * main "reflog" | |
762 | */ | |
763 | ||
4264dc15 | 764 | static const char reflog_usage[] = |
dd509db3 | 765 | N_("git reflog [ show | expire | delete | exists ]"); |
4264dc15 JH |
766 | |
767 | int cmd_reflog(int argc, const char **argv, const char *prefix) | |
768 | { | |
99caeed0 | 769 | if (argc > 1 && !strcmp(argv[1], "-h")) |
dd509db3 | 770 | usage(_(reflog_usage)); |
99caeed0 | 771 | |
cf39f54e LT |
772 | /* With no command, we default to showing it. */ |
773 | if (argc < 2 || *argv[1] == '-') | |
774 | return cmd_log_reflog(argc, argv, prefix); | |
775 | ||
776 | if (!strcmp(argv[1], "show")) | |
777 | return cmd_log_reflog(argc - 1, argv + 1, prefix); | |
778 | ||
779 | if (!strcmp(argv[1], "expire")) | |
4264dc15 | 780 | return cmd_reflog_expire(argc - 1, argv + 1, prefix); |
cf39f54e | 781 | |
552cecc2 JS |
782 | if (!strcmp(argv[1], "delete")) |
783 | return cmd_reflog_delete(argc - 1, argv + 1, prefix); | |
784 | ||
afcb2e7a DT |
785 | if (!strcmp(argv[1], "exists")) |
786 | return cmd_reflog_exists(argc - 1, argv + 1, prefix); | |
787 | ||
bf01d4a3 | 788 | return cmd_log_reflog(argc, argv, prefix); |
4264dc15 | 789 | } |