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Commit | Line | Data |
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f8adbec9 | 1 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
baffc0e7 | 2 | #include "builtin.h" |
4b182421 | 3 | #include "cache.h" |
031dc927 | 4 | #include "repository.h" |
b2141fc1 | 5 | #include "config.h" |
ff5ebe39 DB |
6 | #include "commit.h" |
7 | #include "tree.h" | |
8 | #include "blob.h" | |
c418eda4 | 9 | #include "tag.h" |
944d8589 | 10 | #include "refs.h" |
f9253394 | 11 | #include "pack.h" |
53dc3f3e | 12 | #include "cache-tree.h" |
e9a95bef | 13 | #include "tree-walk.h" |
271b8d25 | 14 | #include "fsck.h" |
5ac0a206 | 15 | #include "parse-options.h" |
8ca12c0d | 16 | #include "dir.h" |
1e49f22f | 17 | #include "progress.h" |
6f7f3beb | 18 | #include "streaming.h" |
90cf590f | 19 | #include "decorate.h" |
0317f455 | 20 | #include "packfile.h" |
0d4a1321 | 21 | #include "object-store.h" |
e0fd51e1 | 22 | #include "run-command.h" |
b29759d8 | 23 | #include "worktree.h" |
ff5ebe39 DB |
24 | |
25 | #define REACHABLE 0x0001 | |
2d9c58c6 | 26 | #define SEEN 0x0002 |
6e454b9a | 27 | #define HAS_OBJ 0x0004 |
092c55d0 JT |
28 | /* This flag is set if something points to this object. */ |
29 | #define USED 0x0008 | |
d9839e03 | 30 | |
96f1e58f DR |
31 | static int show_root; |
32 | static int show_tags; | |
33 | static int show_unreachable; | |
566842f6 | 34 | static int include_reflogs = 1; |
f29cd393 | 35 | static int check_full = 1; |
02976bf8 | 36 | static int connectivity_only; |
96f1e58f DR |
37 | static int check_strict; |
38 | static int keep_cache_objects; | |
22410549 JS |
39 | static struct fsck_options fsck_walk_options = FSCK_OPTIONS_DEFAULT; |
40 | static struct fsck_options fsck_obj_options = FSCK_OPTIONS_DEFAULT; | |
e2b4f635 | 41 | static int errors_found; |
68f6c019 | 42 | static int write_lost_and_found; |
20f1eb6b | 43 | static int verbose; |
1e49f22f | 44 | static int show_progress = -1; |
c6a13b2c | 45 | static int show_dangling = 1; |
90cf590f | 46 | static int name_objects; |
e2b4f635 JH |
47 | #define ERROR_OBJECT 01 |
48 | #define ERROR_REACHABLE 02 | |
a3ed7552 | 49 | #define ERROR_PACK 04 |
122f76f5 | 50 | #define ERROR_REFS 010 |
e0fd51e1 | 51 | #define ERROR_COMMIT_GRAPH 020 |
d9839e03 | 52 | |
993a21b0 JS |
53 | static const char *describe_object(struct object *obj) |
54 | { | |
bbb15c51 NTND |
55 | static struct strbuf bufs[] = { |
56 | STRBUF_INIT, STRBUF_INIT, STRBUF_INIT, STRBUF_INIT | |
57 | }; | |
58 | static int b = 0; | |
59 | struct strbuf *buf; | |
60 | char *name = NULL; | |
90cf590f | 61 | |
bbb15c51 NTND |
62 | if (name_objects) |
63 | name = lookup_decoration(fsck_walk_options.object_names, obj); | |
64 | ||
65 | buf = bufs + b; | |
66 | b = (b + 1) % ARRAY_SIZE(bufs); | |
67 | strbuf_reset(buf); | |
68 | strbuf_addstr(buf, oid_to_hex(&obj->oid)); | |
90cf590f | 69 | if (name) |
bbb15c51 | 70 | strbuf_addf(buf, " (%s)", name); |
90cf590f | 71 | |
bbb15c51 | 72 | return buf->buf; |
993a21b0 JS |
73 | } |
74 | ||
97ca7ca8 JK |
75 | static const char *printable_type(struct object *obj) |
76 | { | |
77 | const char *ret; | |
78 | ||
a2b22854 | 79 | if (obj->type == OBJ_NONE) { |
0df8e965 SB |
80 | enum object_type type = oid_object_info(the_repository, |
81 | &obj->oid, NULL); | |
a2b22854 | 82 | if (type > 0) |
1268dfac | 83 | object_as_type(the_repository, obj, type, 0); |
a2b22854 JK |
84 | } |
85 | ||
debca9d2 | 86 | ret = type_name(obj->type); |
97ca7ca8 | 87 | if (!ret) |
674ba340 | 88 | ret = _("unknown"); |
97ca7ca8 JK |
89 | |
90 | return ret; | |
91 | } | |
92 | ||
2becf00f | 93 | static int fsck_config(const char *var, const char *value, void *cb) |
f1f0d088 | 94 | { |
1335f732 JS |
95 | if (strcmp(var, "fsck.skiplist") == 0) { |
96 | const char *path; | |
97 | struct strbuf sb = STRBUF_INIT; | |
98 | ||
99 | if (git_config_pathname(&path, var, value)) | |
100 | return 1; | |
101 | strbuf_addf(&sb, "skiplist=%s", path); | |
102 | free((char *)path); | |
103 | fsck_set_msg_types(&fsck_obj_options, sb.buf); | |
104 | strbuf_release(&sb); | |
105 | return 0; | |
106 | } | |
107 | ||
2becf00f JS |
108 | if (skip_prefix(var, "fsck.", &var)) { |
109 | fsck_set_msg_type(&fsck_obj_options, var, value); | |
110 | return 0; | |
111 | } | |
112 | ||
113 | return git_default_config(var, value, cb); | |
114 | } | |
115 | ||
c99ba492 | 116 | static int objerror(struct object *obj, const char *err) |
f1f0d088 | 117 | { |
e2b4f635 | 118 | errors_found |= ERROR_OBJECT; |
674ba340 NTND |
119 | /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ |
120 | fprintf_ln(stderr, _("error in %s %s: %s"), | |
bbb15c51 | 121 | printable_type(obj), describe_object(obj), err); |
f1f0d088 PB |
122 | return -1; |
123 | } | |
124 | ||
1cd772cc JS |
125 | static int fsck_error_func(struct fsck_options *o, |
126 | struct object *obj, int type, const char *message) | |
f1f0d088 | 127 | { |
bbb15c51 NTND |
128 | switch (type) { |
129 | case FSCK_WARN: | |
674ba340 NTND |
130 | /* TRANSLATORS: e.g. warning in tree 01bfda: <more explanation> */ |
131 | fprintf_ln(stderr, _("warning in %s %s: %s"), | |
bbb15c51 NTND |
132 | printable_type(obj), describe_object(obj), message); |
133 | return 0; | |
134 | case FSCK_ERROR: | |
674ba340 NTND |
135 | /* TRANSLATORS: e.g. error in tree 01bfda: <more explanation> */ |
136 | fprintf_ln(stderr, _("error in %s %s: %s"), | |
bbb15c51 NTND |
137 | printable_type(obj), describe_object(obj), message); |
138 | return 1; | |
139 | default: | |
140 | BUG("%d (FSCK_IGNORE?) should never trigger this callback", type); | |
141 | } | |
f1f0d088 PB |
142 | } |
143 | ||
04d39759 LT |
144 | static struct object_array pending; |
145 | ||
22410549 | 146 | static int mark_object(struct object *obj, int type, void *data, struct fsck_options *options) |
271b8d25 | 147 | { |
271b8d25 | 148 | struct object *parent = data; |
271b8d25 | 149 | |
a1cdc251 JH |
150 | /* |
151 | * The only case data is NULL or type is OBJ_ANY is when | |
152 | * mark_object_reachable() calls us. All the callers of | |
153 | * that function has non-NULL obj hence ... | |
154 | */ | |
271b8d25 | 155 | if (!obj) { |
a1cdc251 | 156 | /* ... these references to parent->fld are safe here */ |
674ba340 NTND |
157 | printf_ln(_("broken link from %7s %s"), |
158 | printable_type(parent), describe_object(parent)); | |
159 | printf_ln(_("broken link from %7s %s"), | |
160 | (type == OBJ_ANY ? _("unknown") : type_name(type)), | |
161 | _("unknown")); | |
271b8d25 MK |
162 | errors_found |= ERROR_REACHABLE; |
163 | return 1; | |
164 | } | |
165 | ||
166 | if (type != OBJ_ANY && obj->type != type) | |
a1cdc251 | 167 | /* ... and the reference to parent is safe here */ |
674ba340 | 168 | objerror(parent, _("wrong object type in link")); |
271b8d25 MK |
169 | |
170 | if (obj->flags & REACHABLE) | |
171 | return 0; | |
172 | obj->flags |= REACHABLE; | |
caba7fc3 JT |
173 | |
174 | if (is_promisor_object(&obj->oid)) | |
175 | /* | |
176 | * Further recursion does not need to be performed on this | |
177 | * object since it is a promisor object (so it does not need to | |
178 | * be added to "pending"). | |
179 | */ | |
180 | return 0; | |
181 | ||
6e454b9a | 182 | if (!(obj->flags & HAS_OBJ)) { |
f2fd0760 | 183 | if (parent && !has_object_file(&obj->oid)) { |
674ba340 NTND |
184 | printf_ln(_("broken link from %7s %s\n" |
185 | " to %7s %s"), | |
bbb15c51 NTND |
186 | printable_type(parent), |
187 | describe_object(parent), | |
188 | printable_type(obj), | |
189 | describe_object(obj)); | |
271b8d25 MK |
190 | errors_found |= ERROR_REACHABLE; |
191 | } | |
192 | return 1; | |
193 | } | |
194 | ||
16aa3bfc | 195 | add_object_array(obj, NULL, &pending); |
04d39759 LT |
196 | return 0; |
197 | } | |
198 | ||
199 | static void mark_object_reachable(struct object *obj) | |
200 | { | |
22410549 | 201 | mark_object(obj, OBJ_ANY, NULL, NULL); |
04d39759 LT |
202 | } |
203 | ||
a1cdc251 | 204 | static int traverse_one_object(struct object *obj) |
04d39759 | 205 | { |
ba3a08ca EW |
206 | int result = fsck_walk(obj, obj, &fsck_walk_options); |
207 | ||
208 | if (obj->type == OBJ_TREE) { | |
209 | struct tree *tree = (struct tree *)obj; | |
210 | free_tree_buffer(tree); | |
211 | } | |
212 | return result; | |
271b8d25 MK |
213 | } |
214 | ||
04d39759 | 215 | static int traverse_reachable(void) |
271b8d25 | 216 | { |
1e49f22f NTND |
217 | struct progress *progress = NULL; |
218 | unsigned int nr = 0; | |
04d39759 | 219 | int result = 0; |
1e49f22f | 220 | if (show_progress) |
8aade107 | 221 | progress = start_delayed_progress(_("Checking connectivity"), 0); |
04d39759 | 222 | while (pending.nr) { |
71992039 | 223 | result |= traverse_one_object(object_array_pop(&pending)); |
1e49f22f | 224 | display_progress(progress, ++nr); |
04d39759 | 225 | } |
1e49f22f | 226 | stop_progress(&progress); |
04d39759 | 227 | return !!result; |
271b8d25 MK |
228 | } |
229 | ||
22410549 | 230 | static int mark_used(struct object *obj, int type, void *data, struct fsck_options *options) |
271b8d25 MK |
231 | { |
232 | if (!obj) | |
233 | return 1; | |
092c55d0 | 234 | obj->flags |= USED; |
271b8d25 | 235 | return 0; |
f1f0d088 PB |
236 | } |
237 | ||
18af29f2 LT |
238 | /* |
239 | * Check a single reachable object | |
240 | */ | |
241 | static void check_reachable_object(struct object *obj) | |
242 | { | |
18af29f2 LT |
243 | /* |
244 | * We obviously want the object to be parsed, | |
245 | * except if it was in a pack-file and we didn't | |
246 | * do a full fsck | |
247 | */ | |
6e454b9a | 248 | if (!(obj->flags & HAS_OBJ)) { |
caba7fc3 JT |
249 | if (is_promisor_object(&obj->oid)) |
250 | return; | |
14c3c80c | 251 | if (has_object_pack(&obj->oid)) |
18af29f2 | 252 | return; /* it is in pack - forget about it */ |
674ba340 NTND |
253 | printf_ln(_("missing %s %s"), printable_type(obj), |
254 | describe_object(obj)); | |
e2b4f635 | 255 | errors_found |= ERROR_REACHABLE; |
18af29f2 LT |
256 | return; |
257 | } | |
18af29f2 LT |
258 | } |
259 | ||
260 | /* | |
261 | * Check a single unreachable object | |
262 | */ | |
263 | static void check_unreachable_object(struct object *obj) | |
264 | { | |
265 | /* | |
266 | * Missing unreachable object? Ignore it. It's not like | |
267 | * we miss it (since it can't be reached), nor do we want | |
268 | * to complain about it being unreachable (since it does | |
269 | * not exist). | |
270 | */ | |
b4584e4f | 271 | if (!(obj->flags & HAS_OBJ)) |
18af29f2 LT |
272 | return; |
273 | ||
274 | /* | |
275 | * Unreachable object that exists? Show it if asked to, | |
276 | * since this is something that is prunable. | |
277 | */ | |
278 | if (show_unreachable) { | |
674ba340 NTND |
279 | printf_ln(_("unreachable %s %s"), printable_type(obj), |
280 | describe_object(obj)); | |
18af29f2 LT |
281 | return; |
282 | } | |
283 | ||
284 | /* | |
092c55d0 | 285 | * "!USED" means that nothing at all points to it, including |
3dff5379 | 286 | * other unreachable objects. In other words, it's the "tip" |
18af29f2 LT |
287 | * of some set of unreachable objects, usually a commit that |
288 | * got dropped. | |
289 | * | |
290 | * Such starting points are more interesting than some random | |
291 | * set of unreachable objects, so we show them even if the user | |
292 | * hasn't asked for _all_ unreachable objects. If you have | |
293 | * deleted a branch by mistake, this is a prime candidate to | |
294 | * start looking at, for example. | |
295 | */ | |
092c55d0 | 296 | if (!(obj->flags & USED)) { |
c6a13b2c | 297 | if (show_dangling) |
674ba340 NTND |
298 | printf_ln(_("dangling %s %s"), printable_type(obj), |
299 | describe_object(obj)); | |
68f6c019 | 300 | if (write_lost_and_found) { |
fcd12db6 | 301 | char *filename = git_pathdup("lost-found/%s/%s", |
68f6c019 | 302 | obj->type == OBJ_COMMIT ? "commit" : "other", |
993a21b0 | 303 | describe_object(obj)); |
68f6c019 JS |
304 | FILE *f; |
305 | ||
dcf69262 | 306 | if (safe_create_leading_directories_const(filename)) { |
674ba340 | 307 | error(_("could not create lost-found")); |
fcd12db6 | 308 | free(filename); |
68f6c019 JS |
309 | return; |
310 | } | |
23a9e071 | 311 | f = xfopen(filename, "w"); |
16a7fcfe | 312 | if (obj->type == OBJ_BLOB) { |
7eda0e4f | 313 | if (stream_blob_to_fd(fileno(f), &obj->oid, NULL, 1)) |
674ba340 | 314 | die_errno(_("could not write '%s'"), filename); |
16a7fcfe | 315 | } else |
993a21b0 | 316 | fprintf(f, "%s\n", describe_object(obj)); |
47d32af2 | 317 | if (fclose(f)) |
674ba340 | 318 | die_errno(_("could not finish '%s'"), |
d824cbba | 319 | filename); |
fcd12db6 | 320 | free(filename); |
68f6c019 | 321 | } |
18af29f2 LT |
322 | return; |
323 | } | |
324 | ||
325 | /* | |
326 | * Otherwise? It's there, it's unreachable, and some other unreachable | |
327 | * object points to it. Ignore it - it's not interesting, and we showed | |
328 | * all the interesting cases above. | |
329 | */ | |
330 | } | |
331 | ||
332 | static void check_object(struct object *obj) | |
333 | { | |
20f1eb6b | 334 | if (verbose) |
674ba340 | 335 | fprintf_ln(stderr, _("Checking %s"), describe_object(obj)); |
20f1eb6b | 336 | |
18af29f2 LT |
337 | if (obj->flags & REACHABLE) |
338 | check_reachable_object(obj); | |
339 | else | |
340 | check_unreachable_object(obj); | |
341 | } | |
f1f0d088 | 342 | |
8ba0bbb2 LT |
343 | static void check_connectivity(void) |
344 | { | |
fc046a75 | 345 | int i, max; |
8ba0bbb2 | 346 | |
04d39759 LT |
347 | /* Traverse the pending reachable objects */ |
348 | traverse_reachable(); | |
349 | ||
8ba0bbb2 | 350 | /* Look up all the requirements, warn about missing objects.. */ |
fc046a75 | 351 | max = get_max_object_index(); |
20f1eb6b | 352 | if (verbose) |
674ba340 | 353 | fprintf_ln(stderr, _("Checking connectivity (%d objects)"), max); |
20f1eb6b | 354 | |
fc046a75 | 355 | for (i = 0; i < max; i++) { |
fc046a75 | 356 | struct object *obj = get_indexed_object(i); |
8ba0bbb2 | 357 | |
18af29f2 LT |
358 | if (obj) |
359 | check_object(obj); | |
8ba0bbb2 LT |
360 | } |
361 | } | |
362 | ||
7ac4f3a0 | 363 | static int fsck_obj(struct object *obj, void *buffer, unsigned long size) |
85003492 | 364 | { |
83cd6f90 RS |
365 | int err; |
366 | ||
ba002f3b | 367 | if (obj->flags & SEEN) |
85003492 | 368 | return 0; |
ba002f3b | 369 | obj->flags |= SEEN; |
85003492 | 370 | |
20f1eb6b | 371 | if (verbose) |
674ba340 NTND |
372 | fprintf_ln(stderr, _("Checking %s %s"), |
373 | printable_type(obj), describe_object(obj)); | |
42ea9cb2 | 374 | |
22410549 | 375 | if (fsck_walk(obj, NULL, &fsck_obj_options)) |
674ba340 | 376 | objerror(obj, _("broken links")); |
7ac4f3a0 | 377 | err = fsck_object(obj, buffer, size, &fsck_obj_options); |
83cd6f90 RS |
378 | if (err) |
379 | goto out; | |
1ea34e36 | 380 | |
ba002f3b MK |
381 | if (obj->type == OBJ_COMMIT) { |
382 | struct commit *commit = (struct commit *) obj; | |
de2eb7f6 | 383 | |
ba002f3b | 384 | if (!commit->parents && show_root) |
674ba340 NTND |
385 | printf_ln(_("root %s"), |
386 | describe_object(&commit->object)); | |
ba002f3b | 387 | } |
92d4c85d | 388 | |
ba002f3b MK |
389 | if (obj->type == OBJ_TAG) { |
390 | struct tag *tag = (struct tag *) obj; | |
20f1eb6b | 391 | |
ba002f3b | 392 | if (show_tags && tag->tagged) { |
674ba340 | 393 | printf_ln(_("tagged %s %s (%s) in %s"), |
bbb15c51 NTND |
394 | printable_type(tag->tagged), |
395 | describe_object(tag->tagged), | |
396 | tag->tag, | |
397 | describe_object(&tag->object)); | |
ba002f3b | 398 | } |
92d4c85d | 399 | } |
889262ea | 400 | |
83cd6f90 RS |
401 | out: |
402 | if (obj->type == OBJ_TREE) | |
403 | free_tree_buffer((struct tree *)obj); | |
404 | if (obj->type == OBJ_COMMIT) | |
6a7895fd SB |
405 | free_commit_buffer(the_repository->parsed_objects, |
406 | (struct commit *)obj); | |
83cd6f90 | 407 | return err; |
20222118 LT |
408 | } |
409 | ||
9fd75046 | 410 | static int fsck_obj_buffer(const struct object_id *oid, enum object_type type, |
c9486eb0 NTND |
411 | unsigned long size, void *buffer, int *eaten) |
412 | { | |
ec9d2249 NTND |
413 | /* |
414 | * Note, buffer may be NULL if type is OBJ_BLOB. See | |
415 | * verify_packfile(), data_valid variable for details. | |
416 | */ | |
c9486eb0 | 417 | struct object *obj; |
1ec5bfd2 SB |
418 | obj = parse_object_buffer(the_repository, oid, type, size, buffer, |
419 | eaten); | |
c9486eb0 NTND |
420 | if (!obj) { |
421 | errors_found |= ERROR_OBJECT; | |
674ba340 NTND |
422 | return error(_("%s: object corrupt or missing"), |
423 | oid_to_hex(oid)); | |
c9486eb0 | 424 | } |
092c55d0 JT |
425 | obj->flags &= ~(REACHABLE | SEEN); |
426 | obj->flags |= HAS_OBJ; | |
7ac4f3a0 | 427 | return fsck_obj(obj, buffer, size); |
c9486eb0 NTND |
428 | } |
429 | ||
96f1e58f | 430 | static int default_refs; |
944d8589 | 431 | |
9461d272 | 432 | static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid, |
dddbad72 | 433 | timestamp_t timestamp) |
55dd5526 JH |
434 | { |
435 | struct object *obj; | |
436 | ||
9461d272 | 437 | if (!is_null_oid(oid)) { |
5abddd1e | 438 | obj = lookup_object(the_repository, oid->hash); |
c2d17b3b | 439 | if (obj && (obj->flags & HAS_OBJ)) { |
90cf590f JS |
440 | if (timestamp && name_objects) |
441 | add_decoration(fsck_walk_options.object_names, | |
442 | obj, | |
cb71f8bd | 443 | xstrfmt("%s@{%"PRItime"}", refname, timestamp)); |
092c55d0 | 444 | obj->flags |= USED; |
271b8d25 | 445 | mark_object_reachable(obj); |
498f1f61 | 446 | } else if (!is_promisor_object(oid)) { |
674ba340 NTND |
447 | error(_("%s: invalid reflog entry %s"), |
448 | refname, oid_to_hex(oid)); | |
19bf6c9b | 449 | errors_found |= ERROR_REACHABLE; |
55dd5526 JH |
450 | } |
451 | } | |
d66ae59b MH |
452 | } |
453 | ||
9461d272 | 454 | static int fsck_handle_reflog_ent(struct object_id *ooid, struct object_id *noid, |
dddbad72 | 455 | const char *email, timestamp_t timestamp, int tz, |
883d60fa | 456 | const char *message, void *cb_data) |
55dd5526 | 457 | { |
19bf6c9b | 458 | const char *refname = cb_data; |
55dd5526 | 459 | |
20f1eb6b | 460 | if (verbose) |
674ba340 NTND |
461 | fprintf_ln(stderr, _("Checking reflog %s->%s"), |
462 | oid_to_hex(ooid), oid_to_hex(noid)); | |
20f1eb6b | 463 | |
9461d272 | 464 | fsck_handle_reflog_oid(refname, ooid, 0); |
465 | fsck_handle_reflog_oid(refname, noid, timestamp); | |
55dd5526 JH |
466 | return 0; |
467 | } | |
468 | ||
635b99a0 MH |
469 | static int fsck_handle_reflog(const char *logname, const struct object_id *oid, |
470 | int flag, void *cb_data) | |
eb8381c8 | 471 | { |
b29759d8 NTND |
472 | struct strbuf refname = STRBUF_INIT; |
473 | ||
474 | strbuf_worktree_ref(cb_data, &refname, logname); | |
475 | for_each_reflog_ent(refname.buf, fsck_handle_reflog_ent, refname.buf); | |
476 | strbuf_release(&refname); | |
eb8381c8 NP |
477 | return 0; |
478 | } | |
479 | ||
635b99a0 MH |
480 | static int fsck_handle_ref(const char *refname, const struct object_id *oid, |
481 | int flag, void *cb_data) | |
1024932f | 482 | { |
1024932f LT |
483 | struct object *obj; |
484 | ||
109cd76d | 485 | obj = parse_object(the_repository, oid); |
8a498a05 | 486 | if (!obj) { |
43f25158 JT |
487 | if (is_promisor_object(oid)) { |
488 | /* | |
489 | * Increment default_refs anyway, because this is a | |
490 | * valid ref. | |
491 | */ | |
492 | default_refs++; | |
493 | return 0; | |
494 | } | |
674ba340 NTND |
495 | error(_("%s: invalid sha1 pointer %s"), |
496 | refname, oid_to_hex(oid)); | |
30d1038d | 497 | errors_found |= ERROR_REACHABLE; |
944d8589 LT |
498 | /* We'll continue with the rest despite the error.. */ |
499 | return 0; | |
8a498a05 | 500 | } |
122f76f5 | 501 | if (obj->type != OBJ_COMMIT && is_branch(refname)) { |
674ba340 | 502 | error(_("%s: not a commit"), refname); |
122f76f5 JH |
503 | errors_found |= ERROR_REFS; |
504 | } | |
944d8589 | 505 | default_refs++; |
092c55d0 | 506 | obj->flags |= USED; |
90cf590f JS |
507 | if (name_objects) |
508 | add_decoration(fsck_walk_options.object_names, | |
509 | obj, xstrdup(refname)); | |
271b8d25 | 510 | mark_object_reachable(obj); |
55dd5526 | 511 | |
7c4d07c7 | 512 | return 0; |
1024932f LT |
513 | } |
514 | ||
b29759d8 NTND |
515 | static int fsck_head_link(const char *head_ref_name, |
516 | const char **head_points_at, | |
a8c754d4 EN |
517 | struct object_id *head_oid); |
518 | ||
1024932f LT |
519 | static void get_default_heads(void) |
520 | { | |
b29759d8 | 521 | struct worktree **worktrees, **p; |
a8c754d4 EN |
522 | const char *head_points_at; |
523 | struct object_id head_oid; | |
524 | ||
635b99a0 | 525 | for_each_rawref(fsck_handle_ref, NULL); |
b29759d8 NTND |
526 | |
527 | worktrees = get_worktrees(0); | |
528 | for (p = worktrees; *p; p++) { | |
529 | struct worktree *wt = *p; | |
530 | struct strbuf ref = STRBUF_INIT; | |
531 | ||
532 | strbuf_worktree_ref(wt, &ref, "HEAD"); | |
533 | fsck_head_link(ref.buf, &head_points_at, &head_oid); | |
534 | if (head_points_at && !is_null_oid(&head_oid)) | |
535 | fsck_handle_ref(ref.buf, &head_oid, 0, NULL); | |
536 | strbuf_release(&ref); | |
537 | ||
538 | if (include_reflogs) | |
539 | refs_for_each_reflog(get_worktree_ref_store(wt), | |
540 | fsck_handle_reflog, wt); | |
541 | } | |
542 | free_worktrees(worktrees); | |
071fa89e LT |
543 | |
544 | /* | |
545 | * Not having any default heads isn't really fatal, but | |
546 | * it does mean that "--unreachable" no longer makes any | |
547 | * sense (since in this case everything will obviously | |
548 | * be unreachable by definition. | |
549 | * | |
550 | * Showing dangling objects is valid, though (as those | |
551 | * dangling objects are likely lost heads). | |
552 | * | |
553 | * So we just print a warning about it, and clear the | |
554 | * "show_unreachable" flag. | |
555 | */ | |
556 | if (!default_refs) { | |
674ba340 | 557 | fprintf_ln(stderr, _("notice: No default references")); |
071fa89e LT |
558 | show_unreachable = 0; |
559 | } | |
1024932f LT |
560 | } |
561 | ||
7ac4f3a0 | 562 | static int fsck_loose(const struct object_id *oid, const char *path, void *data) |
c68b489e JK |
563 | { |
564 | struct object *obj; | |
c68b489e JK |
565 | enum object_type type; |
566 | unsigned long size; | |
7ac4f3a0 | 567 | void *contents; |
c68b489e JK |
568 | int eaten; |
569 | ||
7913f53b | 570 | if (read_loose_object(path, oid, &type, &size, &contents) < 0) { |
7ac4f3a0 | 571 | errors_found |= ERROR_OBJECT; |
674ba340 | 572 | error(_("%s: object corrupt or missing: %s"), |
7ac4f3a0 JK |
573 | oid_to_hex(oid), path); |
574 | return 0; /* keep checking other objects */ | |
575 | } | |
c68b489e JK |
576 | |
577 | if (!contents && type != OBJ_BLOB) | |
7ac4f3a0 | 578 | BUG("read_loose_object streamed a non-blob"); |
c68b489e | 579 | |
1ec5bfd2 SB |
580 | obj = parse_object_buffer(the_repository, oid, type, size, |
581 | contents, &eaten); | |
582 | ||
c68b489e JK |
583 | if (!obj) { |
584 | errors_found |= ERROR_OBJECT; | |
674ba340 | 585 | error(_("%s: object could not be parsed: %s"), |
76c1d9a0 | 586 | oid_to_hex(oid), path); |
7ac4f3a0 JK |
587 | if (!eaten) |
588 | free(contents); | |
c68b489e JK |
589 | return 0; /* keep checking other objects */ |
590 | } | |
591 | ||
092c55d0 JT |
592 | obj->flags &= ~(REACHABLE | SEEN); |
593 | obj->flags |= HAS_OBJ; | |
7ac4f3a0 | 594 | if (fsck_obj(obj, contents, size)) |
f0766bf9 | 595 | errors_found |= ERROR_OBJECT; |
7ac4f3a0 JK |
596 | |
597 | if (!eaten) | |
598 | free(contents); | |
599 | return 0; /* keep checking other objects, even if we saw an error */ | |
f0766bf9 JK |
600 | } |
601 | ||
602 | static int fsck_cruft(const char *basename, const char *path, void *data) | |
603 | { | |
604 | if (!starts_with(basename, "tmp_obj_")) | |
674ba340 | 605 | fprintf_ln(stderr, _("bad sha1 file: %s"), path); |
f0766bf9 JK |
606 | return 0; |
607 | } | |
608 | ||
70c49050 | 609 | static int fsck_subdir(unsigned int nr, const char *path, void *progress) |
f0766bf9 JK |
610 | { |
611 | display_progress(progress, nr + 1); | |
612 | return 0; | |
613 | } | |
614 | ||
8a498a05 JH |
615 | static void fsck_object_dir(const char *path) |
616 | { | |
1e49f22f | 617 | struct progress *progress = NULL; |
20f1eb6b JS |
618 | |
619 | if (verbose) | |
674ba340 | 620 | fprintf_ln(stderr, _("Checking object directory")); |
20f1eb6b | 621 | |
1e49f22f | 622 | if (show_progress) |
754dbc43 | 623 | progress = start_progress(_("Checking object directories"), 256); |
f0766bf9 JK |
624 | |
625 | for_each_loose_file_in_objdir(path, fsck_loose, fsck_cruft, fsck_subdir, | |
626 | progress); | |
627 | display_progress(progress, 256); | |
1e49f22f | 628 | stop_progress(&progress); |
8a498a05 JH |
629 | } |
630 | ||
b29759d8 NTND |
631 | static int fsck_head_link(const char *head_ref_name, |
632 | const char **head_points_at, | |
a8c754d4 | 633 | struct object_id *head_oid) |
c3330383 | 634 | { |
8eb2d0be | 635 | int null_is_error = 0; |
8eb2d0be | 636 | |
20f1eb6b | 637 | if (verbose) |
3813a89f | 638 | fprintf_ln(stderr, _("Checking %s link"), head_ref_name); |
20f1eb6b | 639 | |
b29759d8 | 640 | *head_points_at = resolve_ref_unsafe(head_ref_name, 0, head_oid, NULL); |
a8c754d4 | 641 | if (!*head_points_at) { |
122f76f5 | 642 | errors_found |= ERROR_REFS; |
3813a89f | 643 | return error(_("invalid %s"), head_ref_name); |
122f76f5 | 644 | } |
b29759d8 | 645 | if (!strcmp(*head_points_at, head_ref_name)) |
8eb2d0be JH |
646 | /* detached HEAD */ |
647 | null_is_error = 1; | |
a8c754d4 | 648 | else if (!starts_with(*head_points_at, "refs/heads/")) { |
122f76f5 | 649 | errors_found |= ERROR_REFS; |
3813a89f | 650 | return error(_("%s points to something strange (%s)"), |
b29759d8 | 651 | head_ref_name, *head_points_at); |
122f76f5 | 652 | } |
a8c754d4 | 653 | if (is_null_oid(head_oid)) { |
122f76f5 JH |
654 | if (null_is_error) { |
655 | errors_found |= ERROR_REFS; | |
3813a89f | 656 | return error(_("%s: detached HEAD points at nothing"), |
b29759d8 | 657 | head_ref_name); |
122f76f5 | 658 | } |
3813a89f JH |
659 | fprintf_ln(stderr, |
660 | _("notice: %s points to an unborn branch (%s)"), | |
661 | head_ref_name, *head_points_at + 11); | |
8eb2d0be | 662 | } |
c3330383 LT |
663 | return 0; |
664 | } | |
665 | ||
53dc3f3e JH |
666 | static int fsck_cache_tree(struct cache_tree *it) |
667 | { | |
668 | int i; | |
669 | int err = 0; | |
670 | ||
20f1eb6b | 671 | if (verbose) |
674ba340 | 672 | fprintf_ln(stderr, _("Checking cache tree")); |
20f1eb6b | 673 | |
53dc3f3e | 674 | if (0 <= it->entry_count) { |
109cd76d | 675 | struct object *obj = parse_object(the_repository, &it->oid); |
6d60bbef | 676 | if (!obj) { |
674ba340 | 677 | error(_("%s: invalid sha1 pointer in cache-tree"), |
e0a92804 | 678 | oid_to_hex(&it->oid)); |
122f76f5 | 679 | errors_found |= ERROR_REFS; |
6d60bbef JH |
680 | return 1; |
681 | } | |
092c55d0 | 682 | obj->flags |= USED; |
90cf590f JS |
683 | if (name_objects) |
684 | add_decoration(fsck_walk_options.object_names, | |
685 | obj, xstrdup(":")); | |
a1cdc251 | 686 | mark_object_reachable(obj); |
1974632c | 687 | if (obj->type != OBJ_TREE) |
674ba340 | 688 | err |= objerror(obj, _("non-tree in cache-tree")); |
53dc3f3e JH |
689 | } |
690 | for (i = 0; i < it->subtree_nr; i++) | |
691 | err |= fsck_cache_tree(it->down[i]->cache_tree); | |
692 | return err; | |
693 | } | |
694 | ||
76c1d9a0 | 695 | static void mark_object_for_connectivity(const struct object_id *oid) |
3e3f8bd6 | 696 | { |
76c1d9a0 | 697 | struct object *obj = lookup_unknown_object(oid->hash); |
3e3f8bd6 JK |
698 | obj->flags |= HAS_OBJ; |
699 | } | |
700 | ||
76c1d9a0 | 701 | static int mark_loose_for_connectivity(const struct object_id *oid, |
3e3f8bd6 JK |
702 | const char *path, |
703 | void *data) | |
704 | { | |
76c1d9a0 | 705 | mark_object_for_connectivity(oid); |
3e3f8bd6 JK |
706 | return 0; |
707 | } | |
708 | ||
76c1d9a0 | 709 | static int mark_packed_for_connectivity(const struct object_id *oid, |
3e3f8bd6 JK |
710 | struct packed_git *pack, |
711 | uint32_t pos, | |
712 | void *data) | |
713 | { | |
76c1d9a0 | 714 | mark_object_for_connectivity(oid); |
3e3f8bd6 JK |
715 | return 0; |
716 | } | |
717 | ||
5ac0a206 | 718 | static char const * const fsck_usage[] = { |
9c9b4f2f | 719 | N_("git fsck [<options>] [<object>...]"), |
5ac0a206 PH |
720 | NULL |
721 | }; | |
722 | ||
723 | static struct option fsck_opts[] = { | |
cf8fe315 | 724 | OPT__VERBOSE(&verbose, N_("be verbose")), |
d5d09d47 | 725 | OPT_BOOL(0, "unreachable", &show_unreachable, N_("show unreachable objects")), |
cf8fe315 | 726 | OPT_BOOL(0, "dangling", &show_dangling, N_("show dangling objects")), |
d5d09d47 SB |
727 | OPT_BOOL(0, "tags", &show_tags, N_("report tags")), |
728 | OPT_BOOL(0, "root", &show_root, N_("report root nodes")), | |
729 | OPT_BOOL(0, "cache", &keep_cache_objects, N_("make index objects head nodes")), | |
730 | OPT_BOOL(0, "reflogs", &include_reflogs, N_("make reflogs head nodes (default)")), | |
731 | OPT_BOOL(0, "full", &check_full, N_("also consider packs and alternate objects")), | |
02976bf8 | 732 | OPT_BOOL(0, "connectivity-only", &connectivity_only, N_("check only connectivity")), |
d5d09d47 SB |
733 | OPT_BOOL(0, "strict", &check_strict, N_("enable more strict checking")), |
734 | OPT_BOOL(0, "lost-found", &write_lost_and_found, | |
cf8fe315 NTND |
735 | N_("write dangling objects in .git/lost-found")), |
736 | OPT_BOOL(0, "progress", &show_progress, N_("show progress")), | |
90cf590f | 737 | OPT_BOOL(0, "name-objects", &name_objects, N_("show verbose names for reachable objects")), |
5ac0a206 PH |
738 | OPT_END(), |
739 | }; | |
e2b4f635 | 740 | |
baffc0e7 | 741 | int cmd_fsck(int argc, const char **argv, const char *prefix) |
20222118 | 742 | { |
78e7b98f | 743 | int i; |
263db403 | 744 | struct object_directory *odb; |
20222118 | 745 | |
8b4c0103 JT |
746 | /* fsck knows how to handle missing promisor objects */ |
747 | fetch_if_missing = 0; | |
748 | ||
e2b4f635 | 749 | errors_found = 0; |
6ebd1caf | 750 | read_replace_refs = 0; |
61e2b015 | 751 | |
37782920 | 752 | argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0); |
1e49f22f | 753 | |
22410549 JS |
754 | fsck_walk_options.walk = mark_object; |
755 | fsck_obj_options.walk = mark_used; | |
756 | fsck_obj_options.error_func = fsck_error_func; | |
757 | if (check_strict) | |
758 | fsck_obj_options.strict = 1; | |
759 | ||
1e49f22f NTND |
760 | if (show_progress == -1) |
761 | show_progress = isatty(2); | |
762 | if (verbose) | |
763 | show_progress = 0; | |
764 | ||
5ac0a206 PH |
765 | if (write_lost_and_found) { |
766 | check_full = 1; | |
767 | include_reflogs = 0; | |
889262ea LT |
768 | } |
769 | ||
90cf590f JS |
770 | if (name_objects) |
771 | fsck_walk_options.object_names = | |
772 | xcalloc(1, sizeof(struct decoration)); | |
773 | ||
2becf00f JS |
774 | git_config(fsck_config, NULL); |
775 | ||
3e3f8bd6 JK |
776 | if (connectivity_only) { |
777 | for_each_loose_object(mark_loose_for_connectivity, NULL, 0); | |
778 | for_each_packed_object(mark_packed_for_connectivity, NULL, 0); | |
779 | } else { | |
0b209034 | 780 | prepare_alt_odb(the_repository); |
f0eaf638 | 781 | for (odb = the_repository->objects->odb; odb; odb = odb->next) |
263db403 | 782 | fsck_object_dir(odb->path); |
e15ef669 | 783 | |
3e3f8bd6 JK |
784 | if (check_full) { |
785 | struct packed_git *p; | |
786 | uint32_t total = 0, count = 0; | |
787 | struct progress *progress = NULL; | |
e15ef669 | 788 | |
3e3f8bd6 | 789 | if (show_progress) { |
454ea2e4 | 790 | for (p = get_all_packs(the_repository); p; |
a80d72db | 791 | p = p->next) { |
3e3f8bd6 JK |
792 | if (open_pack_index(p)) |
793 | continue; | |
794 | total += p->num_objects; | |
795 | } | |
1e49f22f | 796 | |
3e3f8bd6 JK |
797 | progress = start_progress(_("Checking objects"), total); |
798 | } | |
454ea2e4 | 799 | for (p = get_all_packs(the_repository); p; |
a80d72db | 800 | p = p->next) { |
3e3f8bd6 | 801 | /* verify gives error messages itself */ |
94e10825 NTND |
802 | if (verify_pack(the_repository, |
803 | p, fsck_obj_buffer, | |
3e3f8bd6 JK |
804 | progress, count)) |
805 | errors_found |= ERROR_PACK; | |
806 | count += p->num_objects; | |
1e49f22f | 807 | } |
3e3f8bd6 | 808 | stop_progress(&progress); |
1e49f22f | 809 | } |
1995b5e0 JK |
810 | |
811 | if (fsck_finish(&fsck_obj_options)) | |
812 | errors_found |= ERROR_OBJECT; | |
bcee6fd8 LT |
813 | } |
814 | ||
3aed2fda | 815 | for (i = 0; i < argc; i++) { |
a6080a0a | 816 | const char *arg = argv[i]; |
aca6065c | 817 | struct object_id oid; |
818 | if (!get_oid(arg, &oid)) { | |
5abddd1e SB |
819 | struct object *obj = lookup_object(the_repository, |
820 | oid.hash); | |
e1a1388d | 821 | |
c2d17b3b | 822 | if (!obj || !(obj->flags & HAS_OBJ)) { |
096c9b8b JT |
823 | if (is_promisor_object(&oid)) |
824 | continue; | |
674ba340 | 825 | error(_("%s: object missing"), oid_to_hex(&oid)); |
c6c7b16d | 826 | errors_found |= ERROR_OBJECT; |
e1a1388d | 827 | continue; |
c6c7b16d | 828 | } |
e1a1388d | 829 | |
092c55d0 | 830 | obj->flags |= USED; |
90cf590f JS |
831 | if (name_objects) |
832 | add_decoration(fsck_walk_options.object_names, | |
833 | obj, xstrdup(arg)); | |
271b8d25 | 834 | mark_object_reachable(obj); |
d9839e03 LT |
835 | continue; |
836 | } | |
674ba340 | 837 | error(_("invalid parameter: expected sha1, got '%s'"), arg); |
c6c7b16d | 838 | errors_found |= ERROR_OBJECT; |
d9839e03 | 839 | } |
d9839e03 | 840 | |
1024932f | 841 | /* |
d1af002d | 842 | * If we've not been given any explicit head information, do the |
e7bd907d LT |
843 | * default ones from .git/refs. We also consider the index file |
844 | * in this case (ie this implies --cache). | |
1024932f | 845 | */ |
c3271a0e | 846 | if (!argc) { |
1024932f LT |
847 | get_default_heads(); |
848 | keep_cache_objects = 1; | |
849 | } | |
850 | ||
ae7c0c92 | 851 | if (keep_cache_objects) { |
a33fc72f | 852 | verify_index_checksum = 1; |
00ec50e5 | 853 | verify_ce_order = 1; |
ae7c0c92 JH |
854 | read_cache(); |
855 | for (i = 0; i < active_nr; i++) { | |
8d9721c8 LT |
856 | unsigned int mode; |
857 | struct blob *blob; | |
ae7c0c92 | 858 | struct object *obj; |
8d9721c8 | 859 | |
7a51ed66 | 860 | mode = active_cache[i]->ce_mode; |
302b9282 | 861 | if (S_ISGITLINK(mode)) |
8d9721c8 | 862 | continue; |
da14a7ff SB |
863 | blob = lookup_blob(the_repository, |
864 | &active_cache[i]->oid); | |
ae7c0c92 JH |
865 | if (!blob) |
866 | continue; | |
867 | obj = &blob->object; | |
092c55d0 | 868 | obj->flags |= USED; |
90cf590f JS |
869 | if (name_objects) |
870 | add_decoration(fsck_walk_options.object_names, | |
871 | obj, | |
872 | xstrfmt(":%s", active_cache[i]->name)); | |
271b8d25 | 873 | mark_object_reachable(obj); |
ae7c0c92 | 874 | } |
53dc3f3e JH |
875 | if (active_cache_tree) |
876 | fsck_cache_tree(active_cache_tree); | |
ae7c0c92 JH |
877 | } |
878 | ||
8ba0bbb2 | 879 | check_connectivity(); |
e0fd51e1 | 880 | |
dade47c0 | 881 | if (!git_config_get_bool("core.commitgraph", &i) && i) { |
e0fd51e1 DS |
882 | struct child_process commit_graph_verify = CHILD_PROCESS_INIT; |
883 | const char *verify_argv[] = { "commit-graph", "verify", NULL, NULL, NULL }; | |
884 | ||
e0fd51e1 | 885 | prepare_alt_odb(the_repository); |
f0eaf638 | 886 | for (odb = the_repository->objects->odb; odb; odb = odb->next) { |
4d0984be JK |
887 | child_process_init(&commit_graph_verify); |
888 | commit_graph_verify.argv = verify_argv; | |
889 | commit_graph_verify.git_cmd = 1; | |
e0fd51e1 | 890 | verify_argv[2] = "--object-dir"; |
263db403 | 891 | verify_argv[3] = odb->path; |
e0fd51e1 DS |
892 | if (run_command(&commit_graph_verify)) |
893 | errors_found |= ERROR_COMMIT_GRAPH; | |
894 | } | |
895 | } | |
896 | ||
66ec0390 DS |
897 | if (!git_config_get_bool("core.multipackindex", &i) && i) { |
898 | struct child_process midx_verify = CHILD_PROCESS_INIT; | |
899 | const char *midx_argv[] = { "multi-pack-index", "verify", NULL, NULL, NULL }; | |
900 | ||
66ec0390 | 901 | prepare_alt_odb(the_repository); |
f0eaf638 | 902 | for (odb = the_repository->objects->odb; odb; odb = odb->next) { |
4d0984be JK |
903 | child_process_init(&midx_verify); |
904 | midx_verify.argv = midx_argv; | |
905 | midx_verify.git_cmd = 1; | |
66ec0390 | 906 | midx_argv[2] = "--object-dir"; |
263db403 | 907 | midx_argv[3] = odb->path; |
66ec0390 DS |
908 | if (run_command(&midx_verify)) |
909 | errors_found |= ERROR_COMMIT_GRAPH; | |
910 | } | |
911 | } | |
912 | ||
e2b4f635 | 913 | return errors_found; |
20222118 | 914 | } |