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Commit | Line | Data |
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355885d5 | 1 | #include "cache.h" |
cbd53a21 | 2 | #include "object-store.h" |
109cd76d | 3 | #include "repository.h" |
355885d5 MK |
4 | #include "object.h" |
5 | #include "blob.h" | |
6 | #include "tree.h" | |
7 | #include "tree-walk.h" | |
8 | #include "commit.h" | |
9 | #include "tag.h" | |
10 | #include "fsck.h" | |
cec097be | 11 | #include "refs.h" |
a18fcc9f | 12 | #include "utf8.h" |
cd94c6f9 | 13 | #include "sha1-array.h" |
7b35efd7 | 14 | #include "decorate.h" |
159e7b08 | 15 | #include "oidset.h" |
27387444 | 16 | #include "packfile.h" |
ed8b10f6 JK |
17 | #include "submodule-config.h" |
18 | #include "config.h" | |
3ac68a93 | 19 | #include "help.h" |
159e7b08 JK |
20 | |
21 | static struct oidset gitmodules_found = OIDSET_INIT; | |
22 | static struct oidset gitmodules_done = OIDSET_INIT; | |
355885d5 | 23 | |
f50c4407 | 24 | #define FSCK_FATAL -1 |
f27d05b1 | 25 | #define FSCK_INFO -2 |
f50c4407 | 26 | |
c99ba492 | 27 | #define FOREACH_MSG_ID(FUNC) \ |
f50c4407 JS |
28 | /* fatal errors */ \ |
29 | FUNC(NUL_IN_HEADER, FATAL) \ | |
30 | FUNC(UNTERMINATED_HEADER, FATAL) \ | |
c99ba492 JS |
31 | /* errors */ \ |
32 | FUNC(BAD_DATE, ERROR) \ | |
33 | FUNC(BAD_DATE_OVERFLOW, ERROR) \ | |
34 | FUNC(BAD_EMAIL, ERROR) \ | |
35 | FUNC(BAD_NAME, ERROR) \ | |
36 | FUNC(BAD_OBJECT_SHA1, ERROR) \ | |
37 | FUNC(BAD_PARENT_SHA1, ERROR) \ | |
38 | FUNC(BAD_TAG_OBJECT, ERROR) \ | |
39 | FUNC(BAD_TIMEZONE, ERROR) \ | |
40 | FUNC(BAD_TREE, ERROR) \ | |
41 | FUNC(BAD_TREE_SHA1, ERROR) \ | |
42 | FUNC(BAD_TYPE, ERROR) \ | |
43 | FUNC(DUPLICATE_ENTRIES, ERROR) \ | |
44 | FUNC(MISSING_AUTHOR, ERROR) \ | |
45 | FUNC(MISSING_COMMITTER, ERROR) \ | |
46 | FUNC(MISSING_EMAIL, ERROR) \ | |
47 | FUNC(MISSING_GRAFT, ERROR) \ | |
48 | FUNC(MISSING_NAME_BEFORE_EMAIL, ERROR) \ | |
49 | FUNC(MISSING_OBJECT, ERROR) \ | |
50 | FUNC(MISSING_PARENT, ERROR) \ | |
51 | FUNC(MISSING_SPACE_BEFORE_DATE, ERROR) \ | |
52 | FUNC(MISSING_SPACE_BEFORE_EMAIL, ERROR) \ | |
53 | FUNC(MISSING_TAG, ERROR) \ | |
54 | FUNC(MISSING_TAG_ENTRY, ERROR) \ | |
55 | FUNC(MISSING_TAG_OBJECT, ERROR) \ | |
56 | FUNC(MISSING_TREE, ERROR) \ | |
159e7b08 | 57 | FUNC(MISSING_TREE_OBJECT, ERROR) \ |
c99ba492 JS |
58 | FUNC(MISSING_TYPE, ERROR) \ |
59 | FUNC(MISSING_TYPE_ENTRY, ERROR) \ | |
c9ad147f | 60 | FUNC(MULTIPLE_AUTHORS, ERROR) \ |
c99ba492 JS |
61 | FUNC(TAG_OBJECT_NOT_TAG, ERROR) \ |
62 | FUNC(TREE_NOT_SORTED, ERROR) \ | |
63 | FUNC(UNKNOWN_TYPE, ERROR) \ | |
c99ba492 | 64 | FUNC(ZERO_PADDED_DATE, ERROR) \ |
159e7b08 JK |
65 | FUNC(GITMODULES_MISSING, ERROR) \ |
66 | FUNC(GITMODULES_BLOB, ERROR) \ | |
ed8b10f6 JK |
67 | FUNC(GITMODULES_PARSE, ERROR) \ |
68 | FUNC(GITMODULES_NAME, ERROR) \ | |
b7b1fca1 | 69 | FUNC(GITMODULES_SYMLINK, ERROR) \ |
c99ba492 JS |
70 | /* warnings */ \ |
71 | FUNC(BAD_FILEMODE, WARN) \ | |
c99ba492 JS |
72 | FUNC(EMPTY_NAME, WARN) \ |
73 | FUNC(FULL_PATHNAME, WARN) \ | |
74 | FUNC(HAS_DOT, WARN) \ | |
75 | FUNC(HAS_DOTDOT, WARN) \ | |
76 | FUNC(HAS_DOTGIT, WARN) \ | |
c99ba492 | 77 | FUNC(NULL_SHA1, WARN) \ |
f27d05b1 | 78 | FUNC(ZERO_PADDED_FILEMODE, WARN) \ |
6d2d780f | 79 | FUNC(NUL_IN_COMMIT, WARN) \ |
f27d05b1 JS |
80 | /* infos (reported as warnings, but ignored by default) */ \ |
81 | FUNC(BAD_TAG_NAME, INFO) \ | |
82 | FUNC(MISSING_TAGGER_ENTRY, INFO) | |
c99ba492 JS |
83 | |
84 | #define MSG_ID(id, msg_type) FSCK_MSG_##id, | |
85 | enum fsck_msg_id { | |
86 | FOREACH_MSG_ID(MSG_ID) | |
87 | FSCK_MSG_MAX | |
88 | }; | |
89 | #undef MSG_ID | |
90 | ||
f417eed8 | 91 | #define STR(x) #x |
a4a9cc19 | 92 | #define MSG_ID(id, msg_type) { STR(id), NULL, NULL, FSCK_##msg_type }, |
c99ba492 | 93 | static struct { |
f417eed8 JS |
94 | const char *id_string; |
95 | const char *downcased; | |
a4a9cc19 | 96 | const char *camelcased; |
c99ba492 JS |
97 | int msg_type; |
98 | } msg_id_info[FSCK_MSG_MAX + 1] = { | |
99 | FOREACH_MSG_ID(MSG_ID) | |
a4a9cc19 | 100 | { NULL, NULL, NULL, -1 } |
c99ba492 JS |
101 | }; |
102 | #undef MSG_ID | |
103 | ||
a46baac6 | 104 | static void prepare_msg_ids(void) |
f417eed8 JS |
105 | { |
106 | int i; | |
107 | ||
a46baac6 NTND |
108 | if (msg_id_info[0].downcased) |
109 | return; | |
110 | ||
111 | /* convert id_string to lower case, without underscores. */ | |
112 | for (i = 0; i < FSCK_MSG_MAX; i++) { | |
113 | const char *p = msg_id_info[i].id_string; | |
114 | int len = strlen(p); | |
115 | char *q = xmalloc(len); | |
116 | ||
117 | msg_id_info[i].downcased = q; | |
118 | while (*p) | |
119 | if (*p == '_') | |
120 | p++; | |
121 | else | |
122 | *(q)++ = tolower(*(p)++); | |
123 | *q = '\0'; | |
a4a9cc19 NTND |
124 | |
125 | p = msg_id_info[i].id_string; | |
126 | q = xmalloc(len); | |
127 | msg_id_info[i].camelcased = q; | |
128 | while (*p) { | |
129 | if (*p == '_') { | |
130 | p++; | |
131 | if (*p) | |
132 | *q++ = *p++; | |
133 | } else { | |
134 | *q++ = tolower(*p++); | |
135 | } | |
f417eed8 | 136 | } |
a4a9cc19 | 137 | *q = '\0'; |
f417eed8 | 138 | } |
a46baac6 NTND |
139 | } |
140 | ||
141 | static int parse_msg_id(const char *text) | |
142 | { | |
143 | int i; | |
144 | ||
145 | prepare_msg_ids(); | |
f417eed8 JS |
146 | |
147 | for (i = 0; i < FSCK_MSG_MAX; i++) | |
148 | if (!strcmp(text, msg_id_info[i].downcased)) | |
149 | return i; | |
150 | ||
151 | return -1; | |
152 | } | |
153 | ||
3ac68a93 NTND |
154 | void list_config_fsck_msg_ids(struct string_list *list, const char *prefix) |
155 | { | |
156 | int i; | |
157 | ||
158 | prepare_msg_ids(); | |
159 | ||
3ac68a93 | 160 | for (i = 0; i < FSCK_MSG_MAX; i++) |
a4a9cc19 | 161 | list_config_item(list, prefix, msg_id_info[i].camelcased); |
3ac68a93 NTND |
162 | } |
163 | ||
c99ba492 JS |
164 | static int fsck_msg_type(enum fsck_msg_id msg_id, |
165 | struct fsck_options *options) | |
166 | { | |
167 | int msg_type; | |
168 | ||
0282f4dc JS |
169 | assert(msg_id >= 0 && msg_id < FSCK_MSG_MAX); |
170 | ||
171 | if (options->msg_type) | |
172 | msg_type = options->msg_type[msg_id]; | |
173 | else { | |
174 | msg_type = msg_id_info[msg_id].msg_type; | |
175 | if (options->strict && msg_type == FSCK_WARN) | |
176 | msg_type = FSCK_ERROR; | |
177 | } | |
c99ba492 JS |
178 | |
179 | return msg_type; | |
180 | } | |
181 | ||
cd94c6f9 JS |
182 | static void init_skiplist(struct fsck_options *options, const char *path) |
183 | { | |
910650d2 | 184 | static struct oid_array skiplist = OID_ARRAY_INIT; |
cd94c6f9 | 185 | int sorted, fd; |
365c27fb | 186 | char buffer[GIT_MAX_HEXSZ + 1]; |
187 | struct object_id oid; | |
cd94c6f9 JS |
188 | |
189 | if (options->skiplist) | |
190 | sorted = options->skiplist->sorted; | |
191 | else { | |
192 | sorted = 1; | |
193 | options->skiplist = &skiplist; | |
194 | } | |
195 | ||
196 | fd = open(path, O_RDONLY); | |
197 | if (fd < 0) | |
198 | die("Could not open skip list: %s", path); | |
199 | for (;;) { | |
365c27fb | 200 | const char *p; |
cd94c6f9 JS |
201 | int result = read_in_full(fd, buffer, sizeof(buffer)); |
202 | if (result < 0) | |
203 | die_errno("Could not read '%s'", path); | |
204 | if (!result) | |
205 | break; | |
365c27fb | 206 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') |
cd94c6f9 | 207 | die("Invalid SHA-1: %s", buffer); |
910650d2 | 208 | oid_array_append(&skiplist, &oid); |
cd94c6f9 | 209 | if (sorted && skiplist.nr > 1 && |
ee3051bd | 210 | oidcmp(&skiplist.oid[skiplist.nr - 2], |
211 | &oid) > 0) | |
cd94c6f9 JS |
212 | sorted = 0; |
213 | } | |
214 | close(fd); | |
215 | ||
216 | if (sorted) | |
217 | skiplist.sorted = 1; | |
218 | } | |
219 | ||
0282f4dc JS |
220 | static int parse_msg_type(const char *str) |
221 | { | |
222 | if (!strcmp(str, "error")) | |
223 | return FSCK_ERROR; | |
224 | else if (!strcmp(str, "warn")) | |
225 | return FSCK_WARN; | |
efaba7cc JS |
226 | else if (!strcmp(str, "ignore")) |
227 | return FSCK_IGNORE; | |
0282f4dc JS |
228 | else |
229 | die("Unknown fsck message type: '%s'", str); | |
230 | } | |
231 | ||
5d477a33 JS |
232 | int is_valid_msg_type(const char *msg_id, const char *msg_type) |
233 | { | |
234 | if (parse_msg_id(msg_id) < 0) | |
235 | return 0; | |
236 | parse_msg_type(msg_type); | |
237 | return 1; | |
238 | } | |
239 | ||
0282f4dc JS |
240 | void fsck_set_msg_type(struct fsck_options *options, |
241 | const char *msg_id, const char *msg_type) | |
242 | { | |
243 | int id = parse_msg_id(msg_id), type; | |
244 | ||
245 | if (id < 0) | |
246 | die("Unhandled message id: %s", msg_id); | |
247 | type = parse_msg_type(msg_type); | |
248 | ||
f50c4407 JS |
249 | if (type != FSCK_ERROR && msg_id_info[id].msg_type == FSCK_FATAL) |
250 | die("Cannot demote %s to %s", msg_id, msg_type); | |
251 | ||
0282f4dc JS |
252 | if (!options->msg_type) { |
253 | int i; | |
b32fa95f JK |
254 | int *msg_type; |
255 | ALLOC_ARRAY(msg_type, FSCK_MSG_MAX); | |
0282f4dc JS |
256 | for (i = 0; i < FSCK_MSG_MAX; i++) |
257 | msg_type[i] = fsck_msg_type(i, options); | |
258 | options->msg_type = msg_type; | |
259 | } | |
260 | ||
261 | options->msg_type[id] = type; | |
262 | } | |
263 | ||
264 | void fsck_set_msg_types(struct fsck_options *options, const char *values) | |
265 | { | |
266 | char *buf = xstrdup(values), *to_free = buf; | |
267 | int done = 0; | |
268 | ||
269 | while (!done) { | |
270 | int len = strcspn(buf, " ,|"), equal; | |
271 | ||
272 | done = !buf[len]; | |
273 | if (!len) { | |
274 | buf++; | |
275 | continue; | |
276 | } | |
277 | buf[len] = '\0'; | |
278 | ||
279 | for (equal = 0; | |
280 | equal < len && buf[equal] != '=' && buf[equal] != ':'; | |
281 | equal++) | |
282 | buf[equal] = tolower(buf[equal]); | |
283 | buf[equal] = '\0'; | |
284 | ||
cd94c6f9 JS |
285 | if (!strcmp(buf, "skiplist")) { |
286 | if (equal == len) | |
287 | die("skiplist requires a path"); | |
288 | init_skiplist(options, buf + equal + 1); | |
289 | buf += len + 1; | |
290 | continue; | |
291 | } | |
292 | ||
0282f4dc JS |
293 | if (equal == len) |
294 | die("Missing '=': '%s'", buf); | |
355885d5 | 295 | |
0282f4dc JS |
296 | fsck_set_msg_type(options, buf, buf + equal + 1); |
297 | buf += len + 1; | |
298 | } | |
299 | free(to_free); | |
300 | } | |
301 | ||
71ab8fa8 JS |
302 | static void append_msg_id(struct strbuf *sb, const char *msg_id) |
303 | { | |
304 | for (;;) { | |
305 | char c = *(msg_id)++; | |
306 | ||
307 | if (!c) | |
308 | break; | |
309 | if (c != '_') | |
310 | strbuf_addch(sb, tolower(c)); | |
311 | else { | |
312 | assert(*msg_id); | |
313 | strbuf_addch(sb, *(msg_id)++); | |
314 | } | |
315 | } | |
316 | ||
317 | strbuf_addstr(sb, ": "); | |
318 | } | |
319 | ||
c99ba492 JS |
320 | __attribute__((format (printf, 4, 5))) |
321 | static int report(struct fsck_options *options, struct object *object, | |
322 | enum fsck_msg_id id, const char *fmt, ...) | |
323 | { | |
324 | va_list ap; | |
325 | struct strbuf sb = STRBUF_INIT; | |
326 | int msg_type = fsck_msg_type(id, options), result; | |
327 | ||
efaba7cc JS |
328 | if (msg_type == FSCK_IGNORE) |
329 | return 0; | |
330 | ||
cd94c6f9 | 331 | if (options->skiplist && object && |
910650d2 | 332 | oid_array_lookup(options->skiplist, &object->oid) >= 0) |
cd94c6f9 JS |
333 | return 0; |
334 | ||
f50c4407 JS |
335 | if (msg_type == FSCK_FATAL) |
336 | msg_type = FSCK_ERROR; | |
f27d05b1 JS |
337 | else if (msg_type == FSCK_INFO) |
338 | msg_type = FSCK_WARN; | |
f50c4407 | 339 | |
71ab8fa8 JS |
340 | append_msg_id(&sb, msg_id_info[id].id_string); |
341 | ||
c99ba492 JS |
342 | va_start(ap, fmt); |
343 | strbuf_vaddf(&sb, fmt, ap); | |
1cd772cc | 344 | result = options->error_func(options, object, msg_type, sb.buf); |
c99ba492 JS |
345 | strbuf_release(&sb); |
346 | va_end(ap); | |
347 | ||
348 | return result; | |
349 | } | |
350 | ||
7b35efd7 JS |
351 | static char *get_object_name(struct fsck_options *options, struct object *obj) |
352 | { | |
353 | if (!options->object_names) | |
354 | return NULL; | |
355 | return lookup_decoration(options->object_names, obj); | |
356 | } | |
357 | ||
358 | static void put_object_name(struct fsck_options *options, struct object *obj, | |
359 | const char *fmt, ...) | |
360 | { | |
361 | va_list ap; | |
362 | struct strbuf buf = STRBUF_INIT; | |
363 | char *existing; | |
364 | ||
365 | if (!options->object_names) | |
366 | return; | |
367 | existing = lookup_decoration(options->object_names, obj); | |
368 | if (existing) | |
369 | return; | |
370 | va_start(ap, fmt); | |
371 | strbuf_vaddf(&buf, fmt, ap); | |
372 | add_decoration(options->object_names, obj, strbuf_detach(&buf, NULL)); | |
373 | va_end(ap); | |
374 | } | |
375 | ||
90cf590f JS |
376 | static const char *describe_object(struct fsck_options *o, struct object *obj) |
377 | { | |
378 | static struct strbuf buf = STRBUF_INIT; | |
379 | char *name; | |
380 | ||
381 | strbuf_reset(&buf); | |
382 | strbuf_addstr(&buf, oid_to_hex(&obj->oid)); | |
383 | if (o->object_names && (name = lookup_decoration(o->object_names, obj))) | |
384 | strbuf_addf(&buf, " (%s)", name); | |
385 | ||
386 | return buf.buf; | |
387 | } | |
388 | ||
22410549 | 389 | static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *options) |
355885d5 MK |
390 | { |
391 | struct tree_desc desc; | |
392 | struct name_entry entry; | |
393 | int res = 0; | |
7b35efd7 | 394 | const char *name; |
355885d5 MK |
395 | |
396 | if (parse_tree(tree)) | |
397 | return -1; | |
398 | ||
7b35efd7 | 399 | name = get_object_name(options, &tree->object); |
8354fa3d DT |
400 | if (init_tree_desc_gently(&desc, tree->buffer, tree->size)) |
401 | return -1; | |
402 | while (tree_entry_gently(&desc, &entry)) { | |
7b35efd7 | 403 | struct object *obj; |
355885d5 MK |
404 | int result; |
405 | ||
406 | if (S_ISGITLINK(entry.mode)) | |
407 | continue; | |
7b35efd7 JS |
408 | |
409 | if (S_ISDIR(entry.mode)) { | |
f86bcc7b | 410 | obj = (struct object *)lookup_tree(the_repository, entry.oid); |
2720f6db | 411 | if (name && obj) |
7b35efd7 JS |
412 | put_object_name(options, obj, "%s%s/", name, |
413 | entry.path); | |
414 | result = options->walk(obj, OBJ_TREE, data, options); | |
415 | } | |
416 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { | |
da14a7ff | 417 | obj = (struct object *)lookup_blob(the_repository, entry.oid); |
2720f6db | 418 | if (name && obj) |
7b35efd7 JS |
419 | put_object_name(options, obj, "%s%s", name, |
420 | entry.path); | |
421 | result = options->walk(obj, OBJ_BLOB, data, options); | |
422 | } | |
355885d5 | 423 | else { |
82247e9b | 424 | result = error("in tree %s: entry %s has bad mode %.6o", |
90cf590f | 425 | describe_object(options, &tree->object), entry.path, entry.mode); |
355885d5 MK |
426 | } |
427 | if (result < 0) | |
428 | return result; | |
429 | if (!res) | |
430 | res = result; | |
431 | } | |
432 | return res; | |
433 | } | |
434 | ||
22410549 | 435 | static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_options *options) |
355885d5 | 436 | { |
7b35efd7 | 437 | int counter = 0, generation = 0, name_prefix_len = 0; |
355885d5 MK |
438 | struct commit_list *parents; |
439 | int res; | |
440 | int result; | |
7b35efd7 | 441 | const char *name; |
355885d5 MK |
442 | |
443 | if (parse_commit(commit)) | |
444 | return -1; | |
445 | ||
7b35efd7 JS |
446 | name = get_object_name(options, &commit->object); |
447 | if (name) | |
2e27bd77 DS |
448 | put_object_name(options, &get_commit_tree(commit)->object, |
449 | "%s:", name); | |
7b35efd7 | 450 | |
2e27bd77 DS |
451 | result = options->walk((struct object *)get_commit_tree(commit), |
452 | OBJ_TREE, data, options); | |
355885d5 MK |
453 | if (result < 0) |
454 | return result; | |
455 | res = result; | |
456 | ||
457 | parents = commit->parents; | |
7b35efd7 JS |
458 | if (name && parents) { |
459 | int len = strlen(name), power; | |
460 | ||
461 | if (len && name[len - 1] == '^') { | |
462 | generation = 1; | |
463 | name_prefix_len = len - 1; | |
464 | } | |
465 | else { /* parse ~<generation> suffix */ | |
466 | for (generation = 0, power = 1; | |
467 | len && isdigit(name[len - 1]); | |
468 | power *= 10) | |
469 | generation += power * (name[--len] - '0'); | |
470 | if (power > 1 && len && name[len - 1] == '~') | |
471 | name_prefix_len = len - 1; | |
472 | } | |
473 | } | |
474 | ||
355885d5 | 475 | while (parents) { |
7b35efd7 JS |
476 | if (name) { |
477 | struct object *obj = &parents->item->object; | |
478 | ||
479 | if (++counter > 1) | |
480 | put_object_name(options, obj, "%s^%d", | |
481 | name, counter); | |
482 | else if (generation > 0) | |
483 | put_object_name(options, obj, "%.*s~%d", | |
484 | name_prefix_len, name, generation + 1); | |
485 | else | |
486 | put_object_name(options, obj, "%s^", name); | |
487 | } | |
22410549 | 488 | result = options->walk((struct object *)parents->item, OBJ_COMMIT, data, options); |
355885d5 MK |
489 | if (result < 0) |
490 | return result; | |
491 | if (!res) | |
492 | res = result; | |
493 | parents = parents->next; | |
494 | } | |
495 | return res; | |
496 | } | |
497 | ||
22410549 | 498 | static int fsck_walk_tag(struct tag *tag, void *data, struct fsck_options *options) |
355885d5 | 499 | { |
7b35efd7 JS |
500 | char *name = get_object_name(options, &tag->object); |
501 | ||
355885d5 MK |
502 | if (parse_tag(tag)) |
503 | return -1; | |
7b35efd7 JS |
504 | if (name) |
505 | put_object_name(options, tag->tagged, "%s", name); | |
22410549 | 506 | return options->walk(tag->tagged, OBJ_ANY, data, options); |
355885d5 MK |
507 | } |
508 | ||
22410549 | 509 | int fsck_walk(struct object *obj, void *data, struct fsck_options *options) |
355885d5 MK |
510 | { |
511 | if (!obj) | |
512 | return -1; | |
a2b22854 JK |
513 | |
514 | if (obj->type == OBJ_NONE) | |
109cd76d | 515 | parse_object(the_repository, &obj->oid); |
a2b22854 | 516 | |
355885d5 MK |
517 | switch (obj->type) { |
518 | case OBJ_BLOB: | |
519 | return 0; | |
520 | case OBJ_TREE: | |
22410549 | 521 | return fsck_walk_tree((struct tree *)obj, data, options); |
355885d5 | 522 | case OBJ_COMMIT: |
22410549 | 523 | return fsck_walk_commit((struct commit *)obj, data, options); |
355885d5 | 524 | case OBJ_TAG: |
22410549 | 525 | return fsck_walk_tag((struct tag *)obj, data, options); |
355885d5 | 526 | default: |
90cf590f | 527 | error("Unknown object type for %s", describe_object(options, obj)); |
355885d5 MK |
528 | return -1; |
529 | } | |
530 | } | |
ba002f3b MK |
531 | |
532 | /* | |
533 | * The entries in a tree are ordered in the _path_ order, | |
534 | * which means that a directory entry is ordered by adding | |
535 | * a slash to the end of it. | |
536 | * | |
537 | * So a directory called "a" is ordered _after_ a file | |
538 | * called "a.c", because "a/" sorts after "a.c". | |
539 | */ | |
540 | #define TREE_UNORDERED (-1) | |
541 | #define TREE_HAS_DUPS (-2) | |
542 | ||
543 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) | |
544 | { | |
545 | int len1 = strlen(name1); | |
546 | int len2 = strlen(name2); | |
547 | int len = len1 < len2 ? len1 : len2; | |
548 | unsigned char c1, c2; | |
549 | int cmp; | |
550 | ||
551 | cmp = memcmp(name1, name2, len); | |
552 | if (cmp < 0) | |
553 | return 0; | |
554 | if (cmp > 0) | |
555 | return TREE_UNORDERED; | |
556 | ||
557 | /* | |
558 | * Ok, the first <len> characters are the same. | |
559 | * Now we need to order the next one, but turn | |
560 | * a '\0' into a '/' for a directory entry. | |
561 | */ | |
562 | c1 = name1[len]; | |
563 | c2 = name2[len]; | |
564 | if (!c1 && !c2) | |
565 | /* | |
566 | * git-write-tree used to write out a nonsense tree that has | |
567 | * entries with the same name, one blob and one tree. Make | |
568 | * sure we do not have duplicate entries. | |
569 | */ | |
570 | return TREE_HAS_DUPS; | |
571 | if (!c1 && S_ISDIR(mode1)) | |
572 | c1 = '/'; | |
573 | if (!c2 && S_ISDIR(mode2)) | |
574 | c2 = '/'; | |
575 | return c1 < c2 ? 0 : TREE_UNORDERED; | |
576 | } | |
577 | ||
22410549 | 578 | static int fsck_tree(struct tree *item, struct fsck_options *options) |
ba002f3b | 579 | { |
8354fa3d | 580 | int retval = 0; |
c479d14a | 581 | int has_null_sha1 = 0; |
ba002f3b MK |
582 | int has_full_path = 0; |
583 | int has_empty_name = 0; | |
5d34a435 JK |
584 | int has_dot = 0; |
585 | int has_dotdot = 0; | |
5c17f512 | 586 | int has_dotgit = 0; |
ba002f3b MK |
587 | int has_zero_pad = 0; |
588 | int has_bad_modes = 0; | |
589 | int has_dup_entries = 0; | |
590 | int not_properly_sorted = 0; | |
591 | struct tree_desc desc; | |
592 | unsigned o_mode; | |
593 | const char *o_name; | |
ba002f3b | 594 | |
8354fa3d DT |
595 | if (init_tree_desc_gently(&desc, item->buffer, item->size)) { |
596 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
597 | return retval; | |
598 | } | |
ba002f3b MK |
599 | |
600 | o_mode = 0; | |
601 | o_name = NULL; | |
ba002f3b MK |
602 | |
603 | while (desc.size) { | |
604 | unsigned mode; | |
605 | const char *name; | |
ce6663a9 | 606 | const struct object_id *oid; |
ba002f3b | 607 | |
ce6663a9 | 608 | oid = tree_entry_extract(&desc, &name, &mode); |
ba002f3b | 609 | |
ce6663a9 | 610 | has_null_sha1 |= is_null_oid(oid); |
effd12ec HS |
611 | has_full_path |= !!strchr(name, '/'); |
612 | has_empty_name |= !*name; | |
613 | has_dot |= !strcmp(name, "."); | |
614 | has_dotdot |= !strcmp(name, ".."); | |
ed9c3220 | 615 | has_dotgit |= is_hfs_dotgit(name) || is_ntfs_dotgit(name); |
ba002f3b | 616 | has_zero_pad |= *(char *)desc.buffer == '0'; |
159e7b08 | 617 | |
b7b1fca1 JK |
618 | if (is_hfs_dotgitmodules(name) || is_ntfs_dotgitmodules(name)) { |
619 | if (!S_ISLNK(mode)) | |
620 | oidset_insert(&gitmodules_found, oid); | |
621 | else | |
622 | retval += report(options, &item->object, | |
623 | FSCK_MSG_GITMODULES_SYMLINK, | |
624 | ".gitmodules is a symbolic link"); | |
625 | } | |
159e7b08 | 626 | |
8354fa3d DT |
627 | if (update_tree_entry_gently(&desc)) { |
628 | retval += report(options, &item->object, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); | |
629 | break; | |
630 | } | |
ba002f3b MK |
631 | |
632 | switch (mode) { | |
633 | /* | |
634 | * Standard modes.. | |
635 | */ | |
636 | case S_IFREG | 0755: | |
637 | case S_IFREG | 0644: | |
638 | case S_IFLNK: | |
639 | case S_IFDIR: | |
640 | case S_IFGITLINK: | |
641 | break; | |
642 | /* | |
643 | * This is nonstandard, but we had a few of these | |
644 | * early on when we honored the full set of mode | |
645 | * bits.. | |
646 | */ | |
647 | case S_IFREG | 0664: | |
22410549 | 648 | if (!options->strict) |
ba002f3b | 649 | break; |
1cf01a34 | 650 | /* fallthrough */ |
ba002f3b MK |
651 | default: |
652 | has_bad_modes = 1; | |
653 | } | |
654 | ||
655 | if (o_name) { | |
656 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
657 | case TREE_UNORDERED: | |
658 | not_properly_sorted = 1; | |
659 | break; | |
660 | case TREE_HAS_DUPS: | |
661 | has_dup_entries = 1; | |
662 | break; | |
663 | default: | |
664 | break; | |
665 | } | |
666 | } | |
667 | ||
668 | o_mode = mode; | |
669 | o_name = name; | |
ba002f3b MK |
670 | } |
671 | ||
c479d14a | 672 | if (has_null_sha1) |
c99ba492 | 673 | retval += report(options, &item->object, FSCK_MSG_NULL_SHA1, "contains entries pointing to null sha1"); |
ba002f3b | 674 | if (has_full_path) |
c99ba492 | 675 | retval += report(options, &item->object, FSCK_MSG_FULL_PATHNAME, "contains full pathnames"); |
ba002f3b | 676 | if (has_empty_name) |
c99ba492 | 677 | retval += report(options, &item->object, FSCK_MSG_EMPTY_NAME, "contains empty pathname"); |
5d34a435 | 678 | if (has_dot) |
c99ba492 | 679 | retval += report(options, &item->object, FSCK_MSG_HAS_DOT, "contains '.'"); |
5d34a435 | 680 | if (has_dotdot) |
c99ba492 | 681 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTDOT, "contains '..'"); |
5c17f512 | 682 | if (has_dotgit) |
c99ba492 | 683 | retval += report(options, &item->object, FSCK_MSG_HAS_DOTGIT, "contains '.git'"); |
ba002f3b | 684 | if (has_zero_pad) |
c99ba492 | 685 | retval += report(options, &item->object, FSCK_MSG_ZERO_PADDED_FILEMODE, "contains zero-padded file modes"); |
ba002f3b | 686 | if (has_bad_modes) |
c99ba492 | 687 | retval += report(options, &item->object, FSCK_MSG_BAD_FILEMODE, "contains bad file modes"); |
ba002f3b | 688 | if (has_dup_entries) |
c99ba492 | 689 | retval += report(options, &item->object, FSCK_MSG_DUPLICATE_ENTRIES, "contains duplicate file entries"); |
ba002f3b | 690 | if (not_properly_sorted) |
c99ba492 | 691 | retval += report(options, &item->object, FSCK_MSG_TREE_NOT_SORTED, "not properly sorted"); |
ba002f3b MK |
692 | return retval; |
693 | } | |
694 | ||
84d18c0b | 695 | static int verify_headers(const void *data, unsigned long size, |
b2f44feb | 696 | struct object *obj, struct fsck_options *options) |
4d0d8975 JS |
697 | { |
698 | const char *buffer = (const char *)data; | |
699 | unsigned long i; | |
700 | ||
701 | for (i = 0; i < size; i++) { | |
702 | switch (buffer[i]) { | |
703 | case '\0': | |
c99ba492 JS |
704 | return report(options, obj, |
705 | FSCK_MSG_NUL_IN_HEADER, | |
706 | "unterminated header: NUL at offset %ld", i); | |
4d0d8975 JS |
707 | case '\n': |
708 | if (i + 1 < size && buffer[i + 1] == '\n') | |
709 | return 0; | |
710 | } | |
711 | } | |
712 | ||
84d18c0b JH |
713 | /* |
714 | * We did not find double-LF that separates the header | |
715 | * and the body. Not having a body is not a crime but | |
716 | * we do want to see the terminating LF for the last header | |
717 | * line. | |
718 | */ | |
719 | if (size && buffer[size - 1] == '\n') | |
720 | return 0; | |
721 | ||
c99ba492 JS |
722 | return report(options, obj, |
723 | FSCK_MSG_UNTERMINATED_HEADER, "unterminated header"); | |
4d0d8975 JS |
724 | } |
725 | ||
22410549 | 726 | static int fsck_ident(const char **ident, struct object *obj, struct fsck_options *options) |
daae1922 | 727 | { |
e6826e33 | 728 | const char *p = *ident; |
d4b8de04 JK |
729 | char *end; |
730 | ||
e6826e33 JS |
731 | *ident = strchrnul(*ident, '\n'); |
732 | if (**ident == '\n') | |
733 | (*ident)++; | |
734 | ||
735 | if (*p == '<') | |
c99ba492 | 736 | return report(options, obj, FSCK_MSG_MISSING_NAME_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
737 | p += strcspn(p, "<>\n"); |
738 | if (*p == '>') | |
c99ba492 | 739 | return report(options, obj, FSCK_MSG_BAD_NAME, "invalid author/committer line - bad name"); |
e6826e33 | 740 | if (*p != '<') |
c99ba492 | 741 | return report(options, obj, FSCK_MSG_MISSING_EMAIL, "invalid author/committer line - missing email"); |
e6826e33 | 742 | if (p[-1] != ' ') |
c99ba492 | 743 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_EMAIL, "invalid author/committer line - missing space before email"); |
e6826e33 JS |
744 | p++; |
745 | p += strcspn(p, "<>\n"); | |
746 | if (*p != '>') | |
c99ba492 | 747 | return report(options, obj, FSCK_MSG_BAD_EMAIL, "invalid author/committer line - bad email"); |
e6826e33 JS |
748 | p++; |
749 | if (*p != ' ') | |
c99ba492 | 750 | return report(options, obj, FSCK_MSG_MISSING_SPACE_BEFORE_DATE, "invalid author/committer line - missing space before date"); |
e6826e33 JS |
751 | p++; |
752 | if (*p == '0' && p[1] != ' ') | |
c99ba492 | 753 | return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date"); |
1aeb7e75 | 754 | if (date_overflows(parse_timestamp(p, &end, 10))) |
c99ba492 | 755 | return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow"); |
e6826e33 | 756 | if ((end == p || *end != ' ')) |
c99ba492 | 757 | return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date"); |
e6826e33 JS |
758 | p = end + 1; |
759 | if ((*p != '+' && *p != '-') || | |
760 | !isdigit(p[1]) || | |
761 | !isdigit(p[2]) || | |
762 | !isdigit(p[3]) || | |
763 | !isdigit(p[4]) || | |
764 | (p[5] != '\n')) | |
c99ba492 | 765 | return report(options, obj, FSCK_MSG_BAD_TIMEZONE, "invalid author/committer line - bad time zone"); |
e6826e33 | 766 | p += 6; |
daae1922 JN |
767 | return 0; |
768 | } | |
769 | ||
bc6b8fc1 | 770 | static int fsck_commit_buffer(struct commit *commit, const char *buffer, |
22410549 | 771 | unsigned long size, struct fsck_options *options) |
ba002f3b | 772 | { |
c54f5ca9 | 773 | struct object_id tree_oid, oid; |
ba002f3b | 774 | struct commit_graft *graft; |
c9ad147f | 775 | unsigned parent_count, parent_line_count = 0, author_count; |
daae1922 | 776 | int err; |
6d2d780f | 777 | const char *buffer_begin = buffer; |
c54f5ca9 | 778 | const char *p; |
ba002f3b | 779 | |
b2f44feb | 780 | if (verify_headers(buffer, size, &commit->object, options)) |
4d0d8975 JS |
781 | return -1; |
782 | ||
cf4fff57 | 783 | if (!skip_prefix(buffer, "tree ", &buffer)) |
c99ba492 | 784 | return report(options, &commit->object, FSCK_MSG_MISSING_TREE, "invalid format - expected 'tree' line"); |
c54f5ca9 | 785 | if (parse_oid_hex(buffer, &tree_oid, &p) || *p != '\n') { |
b3584761 JS |
786 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE_SHA1, "invalid 'tree' line format - bad sha1"); |
787 | if (err) | |
788 | return err; | |
789 | } | |
c54f5ca9 | 790 | buffer = p + 1; |
cf4fff57 | 791 | while (skip_prefix(buffer, "parent ", &buffer)) { |
c54f5ca9 | 792 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
b3584761 JS |
793 | err = report(options, &commit->object, FSCK_MSG_BAD_PARENT_SHA1, "invalid 'parent' line format - bad sha1"); |
794 | if (err) | |
795 | return err; | |
796 | } | |
c54f5ca9 | 797 | buffer = p + 1; |
9d02150c | 798 | parent_line_count++; |
ba002f3b | 799 | } |
1f93ecd1 | 800 | graft = lookup_commit_graft(the_repository, &commit->object.oid); |
9d02150c | 801 | parent_count = commit_list_count(commit->parents); |
ba002f3b | 802 | if (graft) { |
9d02150c | 803 | if (graft->nr_parent == -1 && !parent_count) |
ba002f3b | 804 | ; /* shallow commit */ |
b3584761 JS |
805 | else if (graft->nr_parent != parent_count) { |
806 | err = report(options, &commit->object, FSCK_MSG_MISSING_GRAFT, "graft objects missing"); | |
807 | if (err) | |
808 | return err; | |
809 | } | |
ba002f3b | 810 | } else { |
b3584761 JS |
811 | if (parent_count != parent_line_count) { |
812 | err = report(options, &commit->object, FSCK_MSG_MISSING_PARENT, "parent objects missing"); | |
813 | if (err) | |
814 | return err; | |
815 | } | |
ba002f3b | 816 | } |
c9ad147f JS |
817 | author_count = 0; |
818 | while (skip_prefix(buffer, "author ", &buffer)) { | |
819 | author_count++; | |
820 | err = fsck_ident(&buffer, &commit->object, options); | |
821 | if (err) | |
822 | return err; | |
ba002f3b | 823 | } |
c9ad147f JS |
824 | if (author_count < 1) |
825 | err = report(options, &commit->object, FSCK_MSG_MISSING_AUTHOR, "invalid format - expected 'author' line"); | |
826 | else if (author_count > 1) | |
827 | err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines"); | |
daae1922 JN |
828 | if (err) |
829 | return err; | |
cf4fff57 | 830 | if (!skip_prefix(buffer, "committer ", &buffer)) |
c99ba492 | 831 | return report(options, &commit->object, FSCK_MSG_MISSING_COMMITTER, "invalid format - expected 'committer' line"); |
22410549 | 832 | err = fsck_ident(&buffer, &commit->object, options); |
daae1922 JN |
833 | if (err) |
834 | return err; | |
2e27bd77 | 835 | if (!get_commit_tree(commit)) { |
c54f5ca9 | 836 | err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", oid_to_hex(&tree_oid)); |
5af29718 JH |
837 | if (err) |
838 | return err; | |
839 | } | |
6d2d780f JH |
840 | if (memchr(buffer_begin, '\0', size)) { |
841 | err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, | |
842 | "NUL byte in the commit object body"); | |
843 | if (err) | |
844 | return err; | |
845 | } | |
ba002f3b MK |
846 | return 0; |
847 | } | |
848 | ||
90a398bb | 849 | static int fsck_commit(struct commit *commit, const char *data, |
22410549 | 850 | unsigned long size, struct fsck_options *options) |
bc6b8fc1 | 851 | { |
90a398bb | 852 | const char *buffer = data ? data : get_commit_buffer(commit, &size); |
22410549 | 853 | int ret = fsck_commit_buffer(commit, buffer, size, options); |
90a398bb JS |
854 | if (!data) |
855 | unuse_commit_buffer(commit, buffer); | |
bc6b8fc1 JK |
856 | return ret; |
857 | } | |
858 | ||
cec097be | 859 | static int fsck_tag_buffer(struct tag *tag, const char *data, |
22410549 | 860 | unsigned long size, struct fsck_options *options) |
cec097be | 861 | { |
c54f5ca9 | 862 | struct object_id oid; |
cec097be JS |
863 | int ret = 0; |
864 | const char *buffer; | |
865 | char *to_free = NULL, *eol; | |
866 | struct strbuf sb = STRBUF_INIT; | |
c54f5ca9 | 867 | const char *p; |
cec097be JS |
868 | |
869 | if (data) | |
870 | buffer = data; | |
871 | else { | |
872 | enum object_type type; | |
873 | ||
874 | buffer = to_free = | |
b4f5aca4 | 875 | read_object_file(&tag->object.oid, &type, &size); |
cec097be | 876 | if (!buffer) |
c99ba492 JS |
877 | return report(options, &tag->object, |
878 | FSCK_MSG_MISSING_TAG_OBJECT, | |
cec097be JS |
879 | "cannot read tag object"); |
880 | ||
881 | if (type != OBJ_TAG) { | |
c99ba492 JS |
882 | ret = report(options, &tag->object, |
883 | FSCK_MSG_TAG_OBJECT_NOT_TAG, | |
cec097be | 884 | "expected tag got %s", |
debca9d2 | 885 | type_name(type)); |
cec097be JS |
886 | goto done; |
887 | } | |
888 | } | |
889 | ||
8a272f29 RS |
890 | ret = verify_headers(buffer, size, &tag->object, options); |
891 | if (ret) | |
cec097be JS |
892 | goto done; |
893 | ||
894 | if (!skip_prefix(buffer, "object ", &buffer)) { | |
c99ba492 | 895 | ret = report(options, &tag->object, FSCK_MSG_MISSING_OBJECT, "invalid format - expected 'object' line"); |
cec097be JS |
896 | goto done; |
897 | } | |
c54f5ca9 | 898 | if (parse_oid_hex(buffer, &oid, &p) || *p != '\n') { |
c99ba492 | 899 | ret = report(options, &tag->object, FSCK_MSG_BAD_OBJECT_SHA1, "invalid 'object' line format - bad sha1"); |
7d7d5b05 JS |
900 | if (ret) |
901 | goto done; | |
cec097be | 902 | } |
c54f5ca9 | 903 | buffer = p + 1; |
cec097be JS |
904 | |
905 | if (!skip_prefix(buffer, "type ", &buffer)) { | |
c99ba492 | 906 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE_ENTRY, "invalid format - expected 'type' line"); |
cec097be JS |
907 | goto done; |
908 | } | |
909 | eol = strchr(buffer, '\n'); | |
910 | if (!eol) { | |
c99ba492 | 911 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TYPE, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
912 | goto done; |
913 | } | |
914 | if (type_from_string_gently(buffer, eol - buffer, 1) < 0) | |
c99ba492 | 915 | ret = report(options, &tag->object, FSCK_MSG_BAD_TYPE, "invalid 'type' value"); |
cec097be JS |
916 | if (ret) |
917 | goto done; | |
918 | buffer = eol + 1; | |
919 | ||
920 | if (!skip_prefix(buffer, "tag ", &buffer)) { | |
c99ba492 | 921 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG_ENTRY, "invalid format - expected 'tag' line"); |
cec097be JS |
922 | goto done; |
923 | } | |
924 | eol = strchr(buffer, '\n'); | |
925 | if (!eol) { | |
c99ba492 | 926 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAG, "invalid format - unexpected end after 'type' line"); |
cec097be JS |
927 | goto done; |
928 | } | |
929 | strbuf_addf(&sb, "refs/tags/%.*s", (int)(eol - buffer), buffer); | |
f27d05b1 JS |
930 | if (check_refname_format(sb.buf, 0)) { |
931 | ret = report(options, &tag->object, FSCK_MSG_BAD_TAG_NAME, | |
c99ba492 | 932 | "invalid 'tag' name: %.*s", |
7add4419 | 933 | (int)(eol - buffer), buffer); |
f27d05b1 JS |
934 | if (ret) |
935 | goto done; | |
936 | } | |
cec097be JS |
937 | buffer = eol + 1; |
938 | ||
f27d05b1 | 939 | if (!skip_prefix(buffer, "tagger ", &buffer)) { |
cec097be | 940 | /* early tags do not contain 'tagger' lines; warn only */ |
f27d05b1 JS |
941 | ret = report(options, &tag->object, FSCK_MSG_MISSING_TAGGER_ENTRY, "invalid format - expected 'tagger' line"); |
942 | if (ret) | |
943 | goto done; | |
944 | } | |
cec097be | 945 | else |
22410549 | 946 | ret = fsck_ident(&buffer, &tag->object, options); |
cec097be JS |
947 | |
948 | done: | |
949 | strbuf_release(&sb); | |
950 | free(to_free); | |
951 | return ret; | |
952 | } | |
953 | ||
90a398bb | 954 | static int fsck_tag(struct tag *tag, const char *data, |
22410549 | 955 | unsigned long size, struct fsck_options *options) |
ba002f3b MK |
956 | { |
957 | struct object *tagged = tag->tagged; | |
958 | ||
959 | if (!tagged) | |
c99ba492 | 960 | return report(options, &tag->object, FSCK_MSG_BAD_TAG_OBJECT, "could not load tagged object"); |
cec097be | 961 | |
22410549 | 962 | return fsck_tag_buffer(tag, data, size, options); |
ba002f3b MK |
963 | } |
964 | ||
ed8b10f6 JK |
965 | struct fsck_gitmodules_data { |
966 | struct object *obj; | |
967 | struct fsck_options *options; | |
968 | int ret; | |
969 | }; | |
970 | ||
971 | static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata) | |
972 | { | |
973 | struct fsck_gitmodules_data *data = vdata; | |
974 | const char *subsection, *key; | |
975 | int subsection_len; | |
976 | char *name; | |
977 | ||
978 | if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 || | |
979 | !subsection) | |
980 | return 0; | |
981 | ||
982 | name = xmemdupz(subsection, subsection_len); | |
983 | if (check_submodule_name(name) < 0) | |
984 | data->ret |= report(data->options, data->obj, | |
985 | FSCK_MSG_GITMODULES_NAME, | |
986 | "disallowed submodule name: %s", | |
987 | name); | |
988 | free(name); | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
7ac4f3a0 JK |
993 | static int fsck_blob(struct blob *blob, const char *buf, |
994 | unsigned long size, struct fsck_options *options) | |
995 | { | |
ed8b10f6 JK |
996 | struct fsck_gitmodules_data data; |
997 | ||
998 | if (!oidset_contains(&gitmodules_found, &blob->object.oid)) | |
999 | return 0; | |
1000 | oidset_insert(&gitmodules_done, &blob->object.oid); | |
1001 | ||
1002 | if (!buf) { | |
1003 | /* | |
1004 | * A missing buffer here is a sign that the caller found the | |
1005 | * blob too gigantic to load into memory. Let's just consider | |
1006 | * that an error. | |
1007 | */ | |
1008 | return report(options, &blob->object, | |
1009 | FSCK_MSG_GITMODULES_PARSE, | |
1010 | ".gitmodules too large to parse"); | |
1011 | } | |
1012 | ||
1013 | data.obj = &blob->object; | |
1014 | data.options = options; | |
1015 | data.ret = 0; | |
1016 | if (git_config_from_mem(fsck_gitmodules_fn, CONFIG_ORIGIN_BLOB, | |
1017 | ".gitmodules", buf, size, &data)) | |
1018 | data.ret |= report(options, &blob->object, | |
1019 | FSCK_MSG_GITMODULES_PARSE, | |
1020 | "could not parse gitmodules blob"); | |
1021 | ||
1022 | return data.ret; | |
7ac4f3a0 JK |
1023 | } |
1024 | ||
90a398bb | 1025 | int fsck_object(struct object *obj, void *data, unsigned long size, |
22410549 | 1026 | struct fsck_options *options) |
ba002f3b MK |
1027 | { |
1028 | if (!obj) | |
c99ba492 | 1029 | return report(options, obj, FSCK_MSG_BAD_OBJECT_SHA1, "no valid object to fsck"); |
ba002f3b MK |
1030 | |
1031 | if (obj->type == OBJ_BLOB) | |
7ac4f3a0 | 1032 | return fsck_blob((struct blob *)obj, data, size, options); |
ba002f3b | 1033 | if (obj->type == OBJ_TREE) |
22410549 | 1034 | return fsck_tree((struct tree *) obj, options); |
ba002f3b | 1035 | if (obj->type == OBJ_COMMIT) |
90a398bb | 1036 | return fsck_commit((struct commit *) obj, (const char *) data, |
22410549 | 1037 | size, options); |
ba002f3b | 1038 | if (obj->type == OBJ_TAG) |
90a398bb | 1039 | return fsck_tag((struct tag *) obj, (const char *) data, |
22410549 | 1040 | size, options); |
ba002f3b | 1041 | |
c99ba492 | 1042 | return report(options, obj, FSCK_MSG_UNKNOWN_TYPE, "unknown type '%d' (internal fsck error)", |
ba002f3b MK |
1043 | obj->type); |
1044 | } | |
d6ffc8d7 | 1045 | |
1cd772cc JS |
1046 | int fsck_error_function(struct fsck_options *o, |
1047 | struct object *obj, int msg_type, const char *message) | |
d6ffc8d7 | 1048 | { |
0282f4dc | 1049 | if (msg_type == FSCK_WARN) { |
90cf590f | 1050 | warning("object %s: %s", describe_object(o, obj), message); |
0282f4dc JS |
1051 | return 0; |
1052 | } | |
90cf590f | 1053 | error("object %s: %s", describe_object(o, obj), message); |
d6ffc8d7 MK |
1054 | return 1; |
1055 | } | |
159e7b08 JK |
1056 | |
1057 | int fsck_finish(struct fsck_options *options) | |
1058 | { | |
1059 | int ret = 0; | |
1060 | struct oidset_iter iter; | |
1061 | const struct object_id *oid; | |
1062 | ||
1063 | oidset_iter_init(&gitmodules_found, &iter); | |
1064 | while ((oid = oidset_iter_next(&iter))) { | |
1065 | struct blob *blob; | |
1066 | enum object_type type; | |
1067 | unsigned long size; | |
1068 | char *buf; | |
1069 | ||
1070 | if (oidset_contains(&gitmodules_done, oid)) | |
1071 | continue; | |
1072 | ||
da14a7ff | 1073 | blob = lookup_blob(the_repository, oid); |
159e7b08 | 1074 | if (!blob) { |
47cc9131 JK |
1075 | struct object *obj = lookup_unknown_object(oid->hash); |
1076 | ret |= report(options, obj, | |
159e7b08 JK |
1077 | FSCK_MSG_GITMODULES_BLOB, |
1078 | "non-blob found at .gitmodules"); | |
1079 | continue; | |
1080 | } | |
1081 | ||
7913f53b | 1082 | buf = read_object_file(oid, &type, &size); |
159e7b08 | 1083 | if (!buf) { |
27387444 JK |
1084 | if (is_promisor_object(&blob->object.oid)) |
1085 | continue; | |
159e7b08 JK |
1086 | ret |= report(options, &blob->object, |
1087 | FSCK_MSG_GITMODULES_MISSING, | |
1088 | "unable to read .gitmodules blob"); | |
1089 | continue; | |
1090 | } | |
1091 | ||
1092 | if (type == OBJ_BLOB) | |
1093 | ret |= fsck_blob(blob, buf, size, options); | |
1094 | else | |
1095 | ret |= report(options, &blob->object, | |
1096 | FSCK_MSG_GITMODULES_BLOB, | |
1097 | "non-blob found at .gitmodules"); | |
1098 | free(buf); | |
1099 | } | |
1100 | ||
1101 | ||
1102 | oidset_clear(&gitmodules_found); | |
1103 | oidset_clear(&gitmodules_done); | |
1104 | return ret; | |
1105 | } |