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Commit | Line | Data |
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355885d5 MK |
1 | #include "cache.h" |
2 | #include "object.h" | |
3 | #include "blob.h" | |
4 | #include "tree.h" | |
5 | #include "tree-walk.h" | |
6 | #include "commit.h" | |
7 | #include "tag.h" | |
8 | #include "fsck.h" | |
cec097be | 9 | #include "refs.h" |
a18fcc9f | 10 | #include "utf8.h" |
cd94c6f9 | 11 | #include "sha1-array.h" |
7b35efd7 | 12 | #include "decorate.h" |
159e7b08 | 13 | #include "oidset.h" |
27387444 | 14 | #include "packfile.h" |
ed8b10f6 JK |
15 | #include "submodule-config.h" |
16 | #include "config.h" | |
159e7b08 JK |
17 | |
18 | static struct oidset gitmodules_found = OIDSET_INIT; | |
19 | static struct oidset gitmodules_done = OIDSET_INIT; | |
355885d5 | 20 | |
f50c4407 | 21 | #define FSCK_FATAL -1 |
f27d05b1 | 22 | #define FSCK_INFO -2 |
f50c4407 | 23 | |
c99ba492 | 24 | #define FOREACH_MSG_ID(FUNC) \ |
f50c4407 JS |
25 | /* fatal errors */ \ |
26 | FUNC(NUL_IN_HEADER, FATAL) \ | |
27 | FUNC(UNTERMINATED_HEADER, FATAL) \ | |
c99ba492 JS |
28 | /* errors */ \ |
29 | FUNC(BAD_DATE, ERROR) \ | |
30 | FUNC(BAD_DATE_OVERFLOW, ERROR) \ | |
31 | FUNC(BAD_EMAIL, ERROR) \ | |
32 | FUNC(BAD_NAME, ERROR) \ | |
33 | FUNC(BAD_OBJECT_SHA1, ERROR) \ | |
34 | FUNC(BAD_PARENT_SHA1, ERROR) \ | |
35 | FUNC(BAD_TAG_OBJECT, ERROR) \ | |
36 | FUNC(BAD_TIMEZONE, ERROR) \ | |
37 | FUNC(BAD_TREE, ERROR) \ | |
38 | FUNC(BAD_TREE_SHA1, ERROR) \ | |
39 | FUNC(BAD_TYPE, ERROR) \ | |
40 | FUNC(DUPLICATE_ENTRIES, ERROR) \ | |
41 | FUNC(MISSING_AUTHOR, ERROR) \ | |
42 | FUNC(MISSING_COMMITTER, ERROR) \ | |
43 | FUNC(MISSING_EMAIL, ERROR) \ | |
44 | FUNC(MISSING_GRAFT, ERROR) \ | |
45 | FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \ | |
46 | FUNC(MISSING_OBJECT, ERROR) \ | |
47 | FUNC(MISSING_PARENT, ERROR) \ | |
48 | FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \ | |
49 | FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \ | |
50 | FUNC(MISSING_TAG, ERROR) \ | |
51 | FUNC(MISSING_TAG_ENTRY, ERROR) \ | |
52 | FUNC(MISSING_TAG_OBJECT, ERROR) \ | |
53 | FUNC(MISSING_TREE, ERROR) \ | |
159e7b08 | 54 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
55 | FUNC(MISSING_TYPE, ERROR) \ |
56 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 57 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
58 | FUNC(TAG_OBJECT_NOT_TAG, ERROR) \ |
59 | FUNC(TREE_NOT_SORTED, ERROR) \ | |
60 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 61 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
62 | FUNC(GITMODULES_MISSING, ERROR) \ |
63 | FUNC(GITMODULES_BLOB, ERROR) \ | |
ed8b10f6 JK |
64 | FUNC(GITMODULES_PARSE, ERROR) \ |
65 | FUNC(GITMODULES_NAME, ERROR) \ | |
b7b1fca1 | 66 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
c99ba492 JS |
67 | /* warnings */ \ |
68 | FUNC(BAD_FILEMODE, WARN) \ | |
c99ba492 JS |
69 | FUNC(EMPTY_NAME, WARN) \ |
70 | FUNC(FULL_PATHNAME, WARN) \ | |
71 | FUNC(HAS_DOT, WARN) \ | |
72 | FUNC(HAS_DOTDOT, WARN) \ | |
73 | FUNC(HAS_DOTGIT, WARN) \ | |
c99ba492 | 74 | FUNC(NULL_SHA1, WARN) \ |
f27d05b1 | 75 | FUNC(ZERO_PADDED_FILEMODE, WARN) \ |
6d2d780f | 76 | FUNC(NUL_IN_COMMIT, WARN) \ |
f27d05b1 JS |
77 | /* infos (reported as warnings, but ignored by default) */ \ |
78 | FUNC(BAD_TAG_NAME, INFO) \ | |
79 | FUNC(MISSING_TAGGER_ENTRY, INFO) | |
c99ba492 JS |
80 | |
81 | #define MSG_ID(id, msg_type) FSCK_MSG_##id, | |
82 | enum fsck_msg_id { | |
83 | FOREACH_MSG_ID(MSG_ID) | |
84 | FSCK_MSG_MAX | |
85 | }; | |
86 | #undef MSG_ID | |
87 | ||
f417eed8 JS |
88 | #define STR(x) #x |
89 | #define MSG_ID(id, msg_type) { STR(id), NULL, FSCK_##msg_type }, | |
c99ba492 | 90 | static struct { |
f417eed8 JS |
91 | const char *id_string; |
92 | const char *downcased; | |
c99ba492 JS |
93 | int msg_type; |
94 | } msg_id_info[FSCK_MSG_MAX + 1] = { | |
95 | FOREACH_MSG_ID(MSG_ID) | |
f417eed8 | 96 | { NULL, NULL, -1 } |
c99ba492 JS |
97 | }; |
98 | #undef MSG_ID | |
99 | ||
f417eed8 JS |
100 | static int parse_msg_id(const char *text) |
101 | { | |
102 | int i; | |
103 | ||
104 | if (!msg_id_info[0].downcased) { | |
105 | /* convert id_string to lower case, without underscores. */ | |
106 | for (i = 0; i < FSCK_MSG_MAX; i++) { | |
107 | const char *p = msg_id_info[i].id_string; | |
108 | int len = strlen(p); | |
109 | char *q = xmalloc(len); | |
110 | ||
111 | msg_id_info[i].downcased = q; | |
112 | while (*p) | |
113 | if (*p == '_') | |
114 | p++; | |
115 | else | |
116 | *(q)++ = tolower(*(p)++); | |
117 | *q = '\0'; | |
118 | } | |
119 | } | |
120 | ||
121 | for (i = 0; i < FSCK_MSG_MAX; i++) | |
122 | if (!strcmp(text, msg_id_info[i].downcased)) | |
123 | return i; | |
124 | ||
125 | return -1; | |
126 | } | |
127 | ||
c99ba492 JS |
128 | static int fsck_msg_type(enum fsck_msg_id msg_id, |
129 | struct fsck_options *options) | |
130 | { | |
131 | int msg_type; | |
132 | ||
0282f4dc JS |
133 | assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX); |
134 | ||
135 | if (options->msg_type) | |
136 | msg_type = options->msg_type[msg_id]; | |
137 | else { | |
138 | msg_type = msg_id_info[msg_id].msg_type; | |
139 | if (options->strict && msg_type == FSCK_WARN) | |
140 | msg_type = FSCK_ERROR; | |
141 | } | |
c99ba492 JS |
142 | |
143 | return msg_type; | |
144 | } | |
145 | ||
cd94c6f9 JS |
146 | static void init_skiplist(struct fsck_options *options, const char *path) |
147 | { | |
910650d2 | 148 | static struct oid_array skiplist = OID_ARRAY_INIT; |
cd94c6f9 | 149 | int sorted, fd; |
365c27fb | 150 | char buffer[GIT_MAX_HEXSZ + 1]; |
151 | struct object_id oid; | |
cd94c6f9 JS |
152 | |
153 | if (options->skiplist) | |
154 | sorted = options->skiplist->sorted; | |
155 | else { | |
156 | sorted = 1; | |
157 | options->skiplist = &skiplist; | |
158 | } | |
159 | ||
160 | fd = open(path, O_RDONLY); | |
161 | if (fd < 0) | |
162 | die("Could not open skip list: %s", path); | |
163 | for (;;) { | |
365c27fb | 164 | const char *p; |
cd94c6f9 JS |
165 | int result = read_in_full(fd, buffer, sizeof(buffer)); |
166 | if (result < 0) | |
167 | die_errno("Could not read '%s'", path); | |
168 | if (!result) | |
169 | break; | |
365c27fb | 170 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') |
cd94c6f9 | 171 | die("Invalid SHA-1: %s", buffer); |
910650d2 | 172 | oid_array_append(&skiplist, &oid); |
cd94c6f9 | 173 | if (sorted && skiplist.nr > 1 && |
ee3051bd | 174 | oidcmp(&skiplist.oid[skiplist.nr - 2], |
175 | &oid) > 0) | |
cd94c6f9 JS |
176 | sorted = 0; |
177 | } | |
178 | close(fd); | |
179 | ||
180 | if (sorted) | |
181 | skiplist.sorted = 1; | |
182 | } | |
183 | ||
0282f4dc JS |
184 | static int parse_msg_type(const char *str) |
185 | { | |
186 | if (!strcmp(str, "error")) | |
187 | return FSCK_ERROR; | |
188 | else if (!strcmp(str, "warn")) | |
189 | return FSCK_WARN; | |
efaba7cc JS |
190 | else if (!strcmp(str, "ignore")) |
191 | return FSCK_IGNORE; | |
0282f4dc JS |
192 | else |
193 | die("Unknown fsck message type: '%s'", str); | |
194 | } | |
195 | ||
5d477a33 JS |
196 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
197 | { | |
198 | if (parse_msg_id(msg_id) < 0) | |
199 | return 0; | |
200 | parse_msg_type(msg_type); | |
201 | return 1; | |
202 | } | |
203 | ||
0282f4dc JS |
204 | void fsck_set_msg_type(struct fsck_options *options, |
205 | const char *msg_id, const char *msg_type) | |
206 | { | |
207 | int id = parse_msg_id(msg_id), type; | |
208 | ||
209 | if (id < 0) | |
210 | die("Unhandled message id: %s", msg_id); | |
211 | type = parse_msg_type(msg_type); | |
212 | ||
f50c4407 JS |
213 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
214 | die("Cannot demote %s to %s", msg_id, msg_type); | |
215 | ||
0282f4dc JS |
216 | if (!options->msg_type) { |
217 | int i; | |
b32fa95f JK |
218 | int *msg_type; |
219 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
220 | for (i = 0; i < FSCK_MSG_MAX; i++) |
221 | msg_type[i] = fsck_msg_type(i, options); | |
222 | options->msg_type = msg_type; | |
223 | } | |
224 | ||
225 | options->msg_type[id] = type; | |
226 | } | |
227 | ||
228 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
229 | { | |
230 | char *buf = xstrdup(values), *to_free = buf; | |
231 | int done = 0; | |
232 | ||
233 | while (!done) { | |
234 | int len = strcspn(buf, " ,|"), equal; | |
235 | ||
236 | done = !buf[len]; | |
237 | if (!len) { | |
238 | buf++; | |
239 | continue; | |
240 | } | |
241 | buf[len] = '\0'; | |
242 | ||
243 | for (equal = 0; | |
244 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
245 | equal++) | |
246 | buf[equal] = tolower(buf[equal]); | |
247 | buf[equal] = '\0'; | |
248 | ||
cd94c6f9 JS |
249 | if (!strcmp(buf, "skiplist")) { |
250 | if (equal == len) | |
251 | die("skiplist requires a path"); | |
252 | init_skiplist(options, buf + equal + 1); | |
253 | buf += len + 1; | |
254 | continue; | |
255 | } | |
256 | ||
0282f4dc JS |
257 | if (equal == len) |
258 | die("Missing '=': '%s'", buf); | |
355885d5 | 259 | |
0282f4dc JS |
260 | fsck_set_msg_type(options, buf, buf + equal + 1); |
261 | buf += len + 1; | |
262 | } | |
263 | free(to_free); | |
264 | } | |
265 | ||
71ab8fa8 JS |
266 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
267 | { | |
268 | for (;;) { | |
269 | char c = *(msg_id)++; | |
270 | ||
271 | if (!c) | |
272 | break; | |
273 | if (c != '_') | |
274 | strbuf_addch(sb, tolower(c)); | |
275 | else { | |
276 | assert(*msg_id); | |
277 | strbuf_addch(sb, *(msg_id)++); | |
278 | } | |
279 | } | |
280 | ||
281 | strbuf_addstr(sb, ": "); | |
282 | } | |
283 | ||
c99ba492 JS |
284 | __attribute__((format (printf, 4, 5))) |
285 | static int report(struct fsck_options *options, struct object *object, | |
286 | enum fsck_msg_id id, const char *fmt, ...) | |
287 | { | |
288 | va_list ap; | |
289 | struct strbuf sb = STRBUF_INIT; | |
290 | int msg_type = fsck_msg_type(id, options), result; | |
291 | ||
efaba7cc JS |
292 | if (msg_type == FSCK_IGNORE) |
293 | return 0; | |
294 | ||
cd94c6f9 | 295 | if (options->skiplist && object && |
910650d2 | 296 | oid_array_lookup(options->skiplist, &object->oid) >= 0) |
cd94c6f9 JS |
297 | return 0; |
298 | ||
f50c4407 JS |
299 | if (msg_type == FSCK_FATAL) |
300 | msg_type = FSCK_ERROR; | |
f27d05b1 JS |
301 | else if (msg_type == FSCK_INFO) |
302 | msg_type = FSCK_WARN; | |
f50c4407 | 303 | |
71ab8fa8 JS |
304 | append_msg_id(&sb, msg_id_info[id].id_string); |
305 | ||
c99ba492 JS |
306 | va_start(ap, fmt); |
307 | strbuf_vaddf(&sb, fmt, ap); | |
1cd772cc | 308 | result = options->error_func(options, object, msg_type, sb.buf); |
c99ba492 JS |
309 | strbuf_release(&sb); |
310 | va_end(ap); | |
311 | ||
312 | return result; | |
313 | } | |
314 | ||
7b35efd7 JS |
315 | static char *get_object_name(struct fsck_options *options, struct object *obj) |
316 | { | |
317 | if (!options->object_names) | |
318 | return NULL; | |
319 | return lookup_decoration(options->object_names, obj); | |
320 | } | |
321 | ||
322 | static void put_object_name(struct fsck_options *options, struct object *obj, | |
323 | const char *fmt, ...) | |
324 | { | |
325 | va_list ap; | |
326 | struct strbuf buf = STRBUF_INIT; | |
327 | char *existing; | |
328 | ||
329 | if (!options->object_names) | |
330 | return; | |
331 | existing = lookup_decoration(options->object_names, obj); | |
332 | if (existing) | |
333 | return; | |
334 | va_start(ap, fmt); | |
335 | strbuf_vaddf(&buf, fmt, ap); | |
336 | add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL)); | |
337 | va_end(ap); | |
338 | } | |
339 | ||
90cf590f JS |
340 | static const char *describe_object(struct fsck_options *o, struct object *obj) |
341 | { | |
342 | static struct strbuf buf = STRBUF_INIT; | |
343 | char *name; | |
344 | ||
345 | strbuf_reset(&buf); | |
346 | strbuf_addstr(&buf, oid_to_hex(&obj->oid)); | |
347 | if (o->object_names && (name = lookup_decoration(o->object_names, obj))) | |
348 | strbuf_addf(&buf, " (%s)", name); | |
349 | ||
350 | return buf.buf; | |
351 | } | |
352 | ||
22410549 | 353 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
354 | { |
355 | struct tree_desc desc; | |
356 | struct name_entry entry; | |
357 | int res = 0; | |
7b35efd7 | 358 | const char *name; |
355885d5 MK |
359 | |
360 | if (parse_tree(tree)) | |
361 | return -1; | |
362 | ||
7b35efd7 | 363 | name = get_object_name(options, &tree->object); |
8354fa3d DT |
364 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
365 | return -1; | |
366 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 367 | struct object *obj; |
355885d5 MK |
368 | int result; |
369 | ||
370 | if (S_ISGITLINK(entry.mode)) | |
371 | continue; | |
7b35efd7 JS |
372 | |
373 | if (S_ISDIR(entry.mode)) { | |
2720f6db RS |
374 | obj = (struct object *)lookup_tree(entry.oid); |
375 | if (name && obj) | |
7b35efd7 JS |
376 | put_object_name(options, obj, "%s%s/", name, |
377 | entry.path); | |
378 | result = options->walk(obj, OBJ_TREE, data, options); | |
379 | } | |
380 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
2720f6db RS |
381 | obj = (struct object *)lookup_blob(entry.oid); |
382 | if (name && obj) | |
7b35efd7 JS |
383 | put_object_name(options, obj, "%s%s", name, |
384 | entry.path); | |
385 | result = options->walk(obj, OBJ_BLOB, data, options); | |
386 | } | |
355885d5 | 387 | else { |
82247e9b | 388 | result = error("in tree %s: entry %s has bad mode %.6o", |
90cf590f | 389 | describe_object(options, &tree->object), entry.path, entry.mode); |
355885d5 MK |
390 | } |
391 | if (result < 0) | |
392 | return result; | |
393 | if (!res) | |
394 | res = result; | |
395 | } | |
396 | return res; | |
397 | } | |
398 | ||
22410549 | 399 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 400 | { |
7b35efd7 | 401 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
402 | struct commit_list *parents; |
403 | int res; | |
404 | int result; | |
7b35efd7 | 405 | const char *name; |
355885d5 MK |
406 | |
407 | if (parse_commit(commit)) | |
408 | return -1; | |
409 | ||
7b35efd7 JS |
410 | name = get_object_name(options, &commit->object); |
411 | if (name) | |
2e27bd77 DS |
412 | put_object_name(options, &get_commit_tree(commit)->object, |
413 | "%s:", name); | |
7b35efd7 | 414 | |
2e27bd77 DS |
415 | result = options->walk((struct object *)get_commit_tree(commit), |
416 | OBJ_TREE, data, options); | |
355885d5 MK |
417 | if (result < 0) |
418 | return result; | |
419 | res = result; | |
420 | ||
421 | parents = commit->parents; | |
7b35efd7 JS |
422 | if (name && parents) { |
423 | int len = strlen(name), power; | |
424 | ||
425 | if (len && name[len - 1] == '^') { | |
426 | generation = 1; | |
427 | name_prefix_len = len - 1; | |
428 | } | |
429 | else { /* parse ~<generation> suffix */ | |
430 | for (generation = 0, power = 1; | |
431 | len && isdigit(name[len - 1]); | |
432 | power *= 10) | |
433 | generation += power * (name[--len] - '0'); | |
434 | if (power > 1 && len && name[len - 1] == '~') | |
435 | name_prefix_len = len - 1; | |
436 | } | |
437 | } | |
438 | ||
355885d5 | 439 | while (parents) { |
7b35efd7 JS |
440 | if (name) { |
441 | struct object *obj = &parents->item->object; | |
442 | ||
443 | if (++counter > 1) | |
444 | put_object_name(options, obj, "%s^%d", | |
445 | name, counter); | |
446 | else if (generation > 0) | |
447 | put_object_name(options, obj, "%.*s~%d", | |
448 | name_prefix_len, name, generation + 1); | |
449 | else | |
450 | put_object_name(options, obj, "%s^", name); | |
451 | } | |
22410549 | 452 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
453 | if (result < 0) |
454 | return result; | |
455 | if (!res) | |
456 | res = result; | |
457 | parents = parents->next; | |
458 | } | |
459 | return res; | |
460 | } | |
461 | ||
22410549 | 462 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 463 | { |
7b35efd7 JS |
464 | char *name = get_object_name(options, &tag->object); |
465 | ||
355885d5 MK |
466 | if (parse_tag(tag)) |
467 | return -1; | |
7b35efd7 JS |
468 | if (name) |
469 | put_object_name(options, tag->tagged, "%s", name); | |
22410549 | 470 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
471 | } |
472 | ||
22410549 | 473 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
474 | { |
475 | if (!obj) | |
476 | return -1; | |
a2b22854 JK |
477 | |
478 | if (obj->type == OBJ_NONE) | |
c251c83d | 479 | parse_object(&obj->oid); |
a2b22854 | 480 | |
355885d5 MK |
481 | switch (obj->type) { |
482 | case OBJ_BLOB: | |
483 | return 0; | |
484 | case OBJ_TREE: | |
22410549 | 485 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 486 | case OBJ_COMMIT: |
22410549 | 487 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 488 | case OBJ_TAG: |
22410549 | 489 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 490 | default: |
90cf590f | 491 | error("Unknown object type for %s", describe_object(options, obj)); |
355885d5 MK |
492 | return -1; |
493 | } | |
494 | } | |
ba002f3b MK |
495 | |
496 | /* | |
497 | * The entries in a tree are ordered in the _path_ order, | |
498 | * which means that a directory entry is ordered by adding | |
499 | * a slash to the end of it. | |
500 | * | |
501 | * So a directory called "a" is ordered _after_ a file | |
502 | * called "a.c", because "a/" sorts after "a.c". | |
503 | */ | |
504 | #define TREE_UNORDERED (-1) | |
505 | #define TREE_HAS_DUPS (-2) | |
506 | ||
507 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
508 | { | |
509 | int len1 = strlen(name1); | |
510 | int len2 = strlen(name2); | |
511 | int len = len1 < len2 ? len1 : len2; | |
512 | unsigned char c1, c2; | |
513 | int cmp; | |
514 | ||
515 | cmp = memcmp(name1, name2, len); | |
516 | if (cmp < 0) | |
517 | return 0; | |
518 | if (cmp > 0) | |
519 | return TREE_UNORDERED; | |
520 | ||
521 | /* | |
522 | * Ok, the first <len> characters are the same. | |
523 | * Now we need to order the next one, but turn | |
524 | * a '\0' into a '/' for a directory entry. | |
525 | */ | |
526 | c1 = name1[len]; | |
527 | c2 = name2[len]; | |
528 | if (!c1 && !c2) | |
529 | /* | |
530 | * git-write-tree used to write out a nonsense tree that has | |
531 | * entries with the same name, one blob and one tree. Make | |
532 | * sure we do not have duplicate entries. | |
533 | */ | |
534 | return TREE_HAS_DUPS; | |
535 | if (!c1 && S_ISDIR(mode1)) | |
536 | c1 = '/'; | |
537 | if (!c2 && S_ISDIR(mode2)) | |
538 | c2 = '/'; | |
539 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
540 | } | |
541 | ||
22410549 | 542 | static int fsck_tree(struct tree *item, struct fsck_options *options) |
ba002f3b | 543 | { |
8354fa3d | 544 | int retval = 0; |
c479d14a | 545 | int has_null_sha1 = 0; |
ba002f3b MK |
546 | int has_full_path = 0; |
547 | int has_empty_name = 0; | |
5d34a435 JK |
548 | int has_dot = 0; |
549 | int has_dotdot = 0; | |
5c17f512 | 550 | int has_dotgit = 0; |
ba002f3b MK |
551 | int has_zero_pad = 0; |
552 | int has_bad_modes = 0; | |
553 | int has_dup_entries = 0; | |
554 | int not_properly_sorted = 0; | |
555 | struct tree_desc desc; | |
556 | unsigned o_mode; | |
557 | const char *o_name; | |
ba002f3b | 558 | |
8354fa3d DT |
559 | if (init_tree_desc_gently(&desc, item->buffer, item->size)) { |
560 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
561 | return retval; | |
562 | } | |
ba002f3b MK |
563 | |
564 | o_mode = 0; | |
565 | o_name = NULL; | |
ba002f3b MK |
566 | |
567 | while (desc.size) { | |
568 | unsigned mode; | |
569 | const char *name; | |
ce6663a9 | 570 | const struct object_id *oid; |
ba002f3b | 571 | |
ce6663a9 | 572 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 573 | |
ce6663a9 | 574 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
575 | has_full_path |= !!strchr(name, '/'); |
576 | has_empty_name |= !*name; | |
577 | has_dot |= !strcmp(name, "."); | |
578 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 579 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 580 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 581 | |
b7b1fca1 JK |
582 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
583 | if (!S_ISLNK(mode)) | |
584 | oidset_insert(&gitmodules_found, oid); | |
585 | else | |
586 | retval += report(options, &item->object, | |
587 | FSCK_MSG_GITMODULES_SYMLINK, | |
588 | ".gitmodules is a symbolic link"); | |
589 | } | |
159e7b08 | 590 | |
8354fa3d DT |
591 | if (update_tree_entry_gently(&desc)) { |
592 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
593 | break; | |
594 | } | |
ba002f3b MK |
595 | |
596 | switch (mode) { | |
597 | /* | |
598 | * Standard modes.. | |
599 | */ | |
600 | case S_IFREG | 0755: | |
601 | case S_IFREG | 0644: | |
602 | case S_IFLNK: | |
603 | case S_IFDIR: | |
604 | case S_IFGITLINK: | |
605 | break; | |
606 | /* | |
607 | * This is nonstandard, but we had a few of these | |
608 | * early on when we honored the full set of mode | |
609 | * bits.. | |
610 | */ | |
611 | case S_IFREG | 0664: | |
22410549 | 612 | if (!options->strict) |
ba002f3b | 613 | break; |
1cf01a34 | 614 | /* fallthrough */ |
ba002f3b MK |
615 | default: |
616 | has_bad_modes = 1; | |
617 | } | |
618 | ||
619 | if (o_name) { | |
620 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
621 | case TREE_UNORDERED: | |
622 | not_properly_sorted = 1; | |
623 | break; | |
624 | case TREE_HAS_DUPS: | |
625 | has_dup_entries = 1; | |
626 | break; | |
627 | default: | |
628 | break; | |
629 | } | |
630 | } | |
631 | ||
632 | o_mode = mode; | |
633 | o_name = name; | |
ba002f3b MK |
634 | } |
635 | ||
c479d14a | 636 | if (has_null_sha1) |
c99ba492 | 637 | retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 638 | if (has_full_path) |
c99ba492 | 639 | retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 640 | if (has_empty_name) |
c99ba492 | 641 | retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 642 | if (has_dot) |
c99ba492 | 643 | retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 644 | if (has_dotdot) |
c99ba492 | 645 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 646 | if (has_dotgit) |
c99ba492 | 647 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 648 | if (has_zero_pad) |
c99ba492 | 649 | retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 650 | if (has_bad_modes) |
c99ba492 | 651 | retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 652 | if (has_dup_entries) |
c99ba492 | 653 | retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 654 | if (not_properly_sorted) |
c99ba492 | 655 | retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
656 | return retval; |
657 | } | |
658 | ||
84d18c0b | 659 | static int verify_headers(const void *data, unsigned long size, |
b2f44feb | 660 | struct object *obj, struct fsck_options *options) |
4d0d8975 JS |
661 | { |
662 | const char *buffer = (const char *)data; | |
663 | unsigned long i; | |
664 | ||
665 | for (i = 0; i < size; i++) { | |
666 | switch (buffer[i]) { | |
667 | case '\0': | |
c99ba492 JS |
668 | return report(options, obj, |
669 | FSCK_MSG_NUL_IN_HEADER, | |
670 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
671 | case '\n': |
672 | if (i + 1 < size && buffer[i + 1] == '\n') | |
673 | return 0; | |
674 | } | |
675 | } | |
676 | ||
84d18c0b JH |
677 | /* |
678 | * We did not find double-LF that separates the header | |
679 | * and the body. Not having a body is not a crime but | |
680 | * we do want to see the terminating LF for the last header | |
681 | * line. | |
682 | */ | |
683 | if (size && buffer[size - 1] == '\n') | |
684 | return 0; | |
685 | ||
c99ba492 JS |
686 | return report(options, obj, |
687 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); | |
4d0d8975 JS |
688 | } |
689 | ||
22410549 | 690 | static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options) |
daae1922 | 691 | { |
e6826e33 | 692 | const char *p = *ident; |
d4b8de04 JK |
693 | char *end; |
694 | ||
e6826e33 JS |
695 | *ident = strchrnul(*ident, '\n'); |
696 | if (**ident == '\n') | |
697 | (*ident)++; | |
698 | ||
699 | if (*p == '<') | |
c99ba492 | 700 | return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
701 | p += strcspn(p, "<>\n"); |
702 | if (*p == '>') | |
c99ba492 | 703 | return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 704 | if (*p != '<') |
c99ba492 | 705 | return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 706 | if (p[-1] != ' ') |
c99ba492 | 707 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
708 | p++; |
709 | p += strcspn(p, "<>\n"); | |
710 | if (*p != '>') | |
c99ba492 | 711 | return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
712 | p++; |
713 | if (*p != ' ') | |
c99ba492 | 714 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
715 | p++; |
716 | if (*p == '0' && p[1] != ' ') | |
c99ba492 | 717 | return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 718 | if (date_overflows(parse_timestamp(p, &end, 10))) |
c99ba492 | 719 | return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 720 | if ((end == p || *end != ' ')) |
c99ba492 | 721 | return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
722 | p = end + 1; |
723 | if ((*p != '+' && *p != '-') || | |
724 | !isdigit(p[1]) || | |
725 | !isdigit(p[2]) || | |
726 | !isdigit(p[3]) || | |
727 | !isdigit(p[4]) || | |
728 | (p[5] != '\n')) | |
c99ba492 | 729 | return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 730 | p += 6; |
daae1922 JN |
731 | return 0; |
732 | } | |
733 | ||
bc6b8fc1 | 734 | static int fsck_commit_buffer(struct commit *commit, const char *buffer, |
22410549 | 735 | unsigned long size, struct fsck_options *options) |
ba002f3b | 736 | { |
c54f5ca9 | 737 | struct object_id tree_oid, oid; |
ba002f3b | 738 | struct commit_graft *graft; |
c9ad147f | 739 | unsigned parent_count, parent_line_count = 0, author_count; |
daae1922 | 740 | int err; |
6d2d780f | 741 | const char *buffer_begin = buffer; |
c54f5ca9 | 742 | const char *p; |
ba002f3b | 743 | |
b2f44feb | 744 | if (verify_headers(buffer, size, &commit->object, options)) |
4d0d8975 JS |
745 | return -1; |
746 | ||
cf4fff57 | 747 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c99ba492 | 748 | return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
c54f5ca9 | 749 | if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') { |
b3584761 JS |
750 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); |
751 | if (err) | |
752 | return err; | |
753 | } | |
c54f5ca9 | 754 | buffer = p + 1; |
cf4fff57 | 755 | while (skip_prefix(buffer, "parent ", &buffer)) { |
c54f5ca9 | 756 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
b3584761 JS |
757 | err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); |
758 | if (err) | |
759 | return err; | |
760 | } | |
c54f5ca9 | 761 | buffer = p + 1; |
9d02150c | 762 | parent_line_count++; |
ba002f3b | 763 | } |
8b65a34c | 764 | graft = lookup_commit_graft(&commit->object.oid); |
9d02150c | 765 | parent_count = commit_list_count(commit->parents); |
ba002f3b | 766 | if (graft) { |
9d02150c | 767 | if (graft->nr_parent == -1 && !parent_count) |
ba002f3b | 768 | ; /* shallow commit */ |
b3584761 JS |
769 | else if (graft->nr_parent != parent_count) { |
770 | err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing"); | |
771 | if (err) | |
772 | return err; | |
773 | } | |
ba002f3b | 774 | } else { |
b3584761 JS |
775 | if (parent_count != parent_line_count) { |
776 | err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing"); | |
777 | if (err) | |
778 | return err; | |
779 | } | |
ba002f3b | 780 | } |
c9ad147f JS |
781 | author_count = 0; |
782 | while (skip_prefix(buffer, "author ", &buffer)) { | |
783 | author_count++; | |
784 | err = fsck_ident(&buffer, &commit->object, options); | |
785 | if (err) | |
786 | return err; | |
ba002f3b | 787 | } |
c9ad147f JS |
788 | if (author_count < 1) |
789 | err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); | |
790 | else if (author_count > 1) | |
791 | err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); | |
daae1922 JN |
792 | if (err) |
793 | return err; | |
cf4fff57 | 794 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c99ba492 | 795 | return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
22410549 | 796 | err = fsck_ident(&buffer, &commit->object, options); |
daae1922 JN |
797 | if (err) |
798 | return err; | |
2e27bd77 | 799 | if (!get_commit_tree(commit)) { |
c54f5ca9 | 800 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", oid_to_hex(&tree_oid)); |
5af29718 JH |
801 | if (err) |
802 | return err; | |
803 | } | |
6d2d780f JH |
804 | if (memchr(buffer_begin, '\0', size)) { |
805 | err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, | |
806 | "NUL byte in the commit object body"); | |
807 | if (err) | |
808 | return err; | |
809 | } | |
ba002f3b MK |
810 | return 0; |
811 | } | |
812 | ||
90a398bb | 813 | static int fsck_commit(struct commit *commit, const char *data, |
22410549 | 814 | unsigned long size, struct fsck_options *options) |
bc6b8fc1 | 815 | { |
90a398bb | 816 | const char *buffer = data ? data : get_commit_buffer(commit, &size); |
22410549 | 817 | int ret = fsck_commit_buffer(commit, buffer, size, options); |
90a398bb JS |
818 | if (!data) |
819 | unuse_commit_buffer(commit, buffer); | |
bc6b8fc1 JK |
820 | return ret; |
821 | } | |
822 | ||
cec097be | 823 | static int fsck_tag_buffer(struct tag *tag, const char *data, |
22410549 | 824 | unsigned long size, struct fsck_options *options) |
cec097be | 825 | { |
c54f5ca9 | 826 | struct object_id oid; |
cec097be JS |
827 | int ret = 0; |
828 | const char *buffer; | |
829 | char *to_free = NULL, *eol; | |
830 | struct strbuf sb = STRBUF_INIT; | |
c54f5ca9 | 831 | const char *p; |
cec097be JS |
832 | |
833 | if (data) | |
834 | buffer = data; | |
835 | else { | |
836 | enum object_type type; | |
837 | ||
838 | buffer = to_free = | |
b4f5aca4 | 839 | read_object_file(&tag->object.oid, &type, &size); |
cec097be | 840 | if (!buffer) |
c99ba492 JS |
841 | return report(options, &tag->object, |
842 | FSCK_MSG_MISSING_TAG_OBJECT, | |
cec097be JS |
843 | "cannot read tag object"); |
844 | ||
845 | if (type != OBJ_TAG) { | |
c99ba492 JS |
846 | ret = report(options, &tag->object, |
847 | FSCK_MSG_TAG_OBJECT_NOT_TAG, | |
cec097be | 848 | "expected tag got %s", |
debca9d2 | 849 | type_name(type)); |
cec097be JS |
850 | goto done; |
851 | } | |
852 | } | |
853 | ||
8a272f29 RS |
854 | ret = verify_headers(buffer, size, &tag->object, options); |
855 | if (ret) | |
cec097be JS |
856 | goto done; |
857 | ||
858 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
c99ba492 | 859 | ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
860 | goto done; |
861 | } | |
c54f5ca9 | 862 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
c99ba492 | 863 | ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
864 | if (ret) |
865 | goto done; | |
cec097be | 866 | } |
c54f5ca9 | 867 | buffer = p + 1; |
cec097be JS |
868 | |
869 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
c99ba492 | 870 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
871 | goto done; |
872 | } | |
873 | eol = strchr(buffer, '\n'); | |
874 | if (!eol) { | |
c99ba492 | 875 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
876 | goto done; |
877 | } | |
878 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
c99ba492 | 879 | ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
880 | if (ret) |
881 | goto done; | |
882 | buffer = eol + 1; | |
883 | ||
884 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
c99ba492 | 885 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
886 | goto done; |
887 | } | |
888 | eol = strchr(buffer, '\n'); | |
889 | if (!eol) { | |
c99ba492 | 890 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
891 | goto done; |
892 | } | |
893 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 JS |
894 | if (check_refname_format(sb.buf, 0)) { |
895 | ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME, | |
c99ba492 | 896 | "invalid 'tag' name: %.*s", |
7add4419 | 897 | (int)(eol - buffer), buffer); |
f27d05b1 JS |
898 | if (ret) |
899 | goto done; | |
900 | } | |
cec097be JS |
901 | buffer = eol + 1; |
902 | ||
f27d05b1 | 903 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 904 | /* early tags do not contain 'tagger' lines; warn only */ |
f27d05b1 JS |
905 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
906 | if (ret) | |
907 | goto done; | |
908 | } | |
cec097be | 909 | else |
22410549 | 910 | ret = fsck_ident(&buffer, &tag->object, options); |
cec097be JS |
911 | |
912 | done: | |
913 | strbuf_release(&sb); | |
914 | free(to_free); | |
915 | return ret; | |
916 | } | |
917 | ||
90a398bb | 918 | static int fsck_tag(struct tag *tag, const char *data, |
22410549 | 919 | unsigned long size, struct fsck_options *options) |
ba002f3b MK |
920 | { |
921 | struct object *tagged = tag->tagged; | |
922 | ||
923 | if (!tagged) | |
c99ba492 | 924 | return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object"); |
cec097be | 925 | |
22410549 | 926 | return fsck_tag_buffer(tag, data, size, options); |
ba002f3b MK |
927 | } |
928 | ||
ed8b10f6 JK |
929 | struct fsck_gitmodules_data { |
930 | struct object *obj; | |
931 | struct fsck_options *options; | |
932 | int ret; | |
933 | }; | |
934 | ||
935 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
936 | { | |
937 | struct fsck_gitmodules_data *data = vdata; | |
938 | const char *subsection, *key; | |
939 | int subsection_len; | |
940 | char *name; | |
941 | ||
942 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
943 | !subsection) | |
944 | return 0; | |
945 | ||
946 | name = xmemdupz(subsection, subsection_len); | |
947 | if (check_submodule_name(name) < 0) | |
948 | data->ret |= report(data->options, data->obj, | |
949 | FSCK_MSG_GITMODULES_NAME, | |
950 | "disallowed submodule name: %s", | |
951 | name); | |
952 | free(name); | |
953 | ||
954 | return 0; | |
955 | } | |
956 | ||
7ac4f3a0 JK |
957 | static int fsck_blob(struct blob *blob, const char *buf, |
958 | unsigned long size, struct fsck_options *options) | |
959 | { | |
ed8b10f6 JK |
960 | struct fsck_gitmodules_data data; |
961 | ||
962 | if (!oidset_contains(&gitmodules_found, &blob->object.oid)) | |
963 | return 0; | |
964 | oidset_insert(&gitmodules_done, &blob->object.oid); | |
965 | ||
966 | if (!buf) { | |
967 | /* | |
968 | * A missing buffer here is a sign that the caller found the | |
969 | * blob too gigantic to load into memory. Let's just consider | |
970 | * that an error. | |
971 | */ | |
972 | return report(options, &blob->object, | |
973 | FSCK_MSG_GITMODULES_PARSE, | |
974 | ".gitmodules too large to parse"); | |
975 | } | |
976 | ||
977 | data.obj = &blob->object; | |
978 | data.options = options; | |
979 | data.ret = 0; | |
980 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, | |
981 | ".gitmodules", buf, size, &data)) | |
982 | data.ret |= report(options, &blob->object, | |
983 | FSCK_MSG_GITMODULES_PARSE, | |
984 | "could not parse gitmodules blob"); | |
985 | ||
986 | return data.ret; | |
7ac4f3a0 JK |
987 | } |
988 | ||
90a398bb | 989 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 990 | struct fsck_options *options) |
ba002f3b MK |
991 | { |
992 | if (!obj) | |
c99ba492 | 993 | return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
994 | |
995 | if (obj->type == OBJ_BLOB) | |
7ac4f3a0 | 996 | return fsck_blob((struct blob *)obj, data, size, options); |
ba002f3b | 997 | if (obj->type == OBJ_TREE) |
22410549 | 998 | return fsck_tree((struct tree *) obj, options); |
ba002f3b | 999 | if (obj->type == OBJ_COMMIT) |
90a398bb | 1000 | return fsck_commit((struct commit *) obj, (const char *) data, |
22410549 | 1001 | size, options); |
ba002f3b | 1002 | if (obj->type == OBJ_TAG) |
90a398bb | 1003 | return fsck_tag((struct tag *) obj, (const char *) data, |
22410549 | 1004 | size, options); |
ba002f3b | 1005 | |
c99ba492 | 1006 | return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)", |
ba002f3b MK |
1007 | obj->type); |
1008 | } | |
d6ffc8d7 | 1009 | |
1cd772cc JS |
1010 | int fsck_error_function(struct fsck_options *o, |
1011 | struct object *obj, int msg_type, const char *message) | |
d6ffc8d7 | 1012 | { |
0282f4dc | 1013 | if (msg_type == FSCK_WARN) { |
90cf590f | 1014 | warning("object %s: %s", describe_object(o, obj), message); |
0282f4dc JS |
1015 | return 0; |
1016 | } | |
90cf590f | 1017 | error("object %s: %s", describe_object(o, obj), message); |
d6ffc8d7 MK |
1018 | return 1; |
1019 | } | |
159e7b08 JK |
1020 | |
1021 | int fsck_finish(struct fsck_options *options) | |
1022 | { | |
1023 | int ret = 0; | |
1024 | struct oidset_iter iter; | |
1025 | const struct object_id *oid; | |
1026 | ||
1027 | oidset_iter_init(&gitmodules_found, &iter); | |
1028 | while ((oid = oidset_iter_next(&iter))) { | |
1029 | struct blob *blob; | |
1030 | enum object_type type; | |
1031 | unsigned long size; | |
1032 | char *buf; | |
1033 | ||
1034 | if (oidset_contains(&gitmodules_done, oid)) | |
1035 | continue; | |
1036 | ||
1037 | blob = lookup_blob(oid); | |
1038 | if (!blob) { | |
47cc9131 JK |
1039 | struct object *obj = lookup_unknown_object(oid->hash); |
1040 | ret |= report(options, obj, | |
159e7b08 JK |
1041 | FSCK_MSG_GITMODULES_BLOB, |
1042 | "non-blob found at .gitmodules"); | |
1043 | continue; | |
1044 | } | |
1045 | ||
7913f53b | 1046 | buf = read_object_file(oid, &type, &size); |
159e7b08 | 1047 | if (!buf) { |
27387444 JK |
1048 | if (is_promisor_object(&blob->object.oid)) |
1049 | continue; | |
159e7b08 JK |
1050 | ret |= report(options, &blob->object, |
1051 | FSCK_MSG_GITMODULES_MISSING, | |
1052 | "unable to read .gitmodules blob"); | |
1053 | continue; | |
1054 | } | |
1055 | ||
1056 | if (type == OBJ_BLOB) | |
1057 | ret |= fsck_blob(blob, buf, size, options); | |
1058 | else | |
1059 | ret |= report(options, &blob->object, | |
1060 | FSCK_MSG_GITMODULES_BLOB, | |
1061 | "non-blob found at .gitmodules"); | |
1062 | free(buf); | |
1063 | } | |
1064 | ||
1065 | ||
1066 | oidset_clear(&gitmodules_found); | |
1067 | oidset_clear(&gitmodules_done); | |
1068 | return ret; | |
1069 | } |