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Commit | Line | Data |
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20222118 LT |
1 | #include <sys/types.h> |
2 | #include <dirent.h> | |
3 | ||
4b182421 | 4 | #include "cache.h" |
ff5ebe39 DB |
5 | #include "commit.h" |
6 | #include "tree.h" | |
7 | #include "blob.h" | |
c418eda4 | 8 | #include "tag.h" |
944d8589 | 9 | #include "refs.h" |
f9253394 | 10 | #include "pack.h" |
53dc3f3e | 11 | #include "cache-tree.h" |
e9a95bef | 12 | #include "tree-walk.h" |
ff5ebe39 DB |
13 | |
14 | #define REACHABLE 0x0001 | |
2d9c58c6 | 15 | #define SEEN 0x0002 |
d9839e03 | 16 | |
96f1e58f DR |
17 | static int show_root; |
18 | static int show_tags; | |
19 | static int show_unreachable; | |
20 | static int check_full; | |
21 | static int check_strict; | |
22 | static int keep_cache_objects; | |
d9839e03 LT |
23 | static unsigned char head_sha1[20]; |
24 | ||
962554c6 | 25 | #ifdef NO_D_INO_IN_DIRENT |
35a730f0 JH |
26 | #define SORT_DIRENT 0 |
27 | #define DIRENT_SORT_HINT(de) 0 | |
28 | #else | |
29 | #define SORT_DIRENT 1 | |
30 | #define DIRENT_SORT_HINT(de) ((de)->d_ino) | |
31 | #endif | |
f1f0d088 PB |
32 | |
33 | static void objreport(struct object *obj, const char *severity, | |
34 | const char *err, va_list params) | |
35 | { | |
36 | fprintf(stderr, "%s in %s %s: ", | |
885a86ab | 37 | severity, typename(obj->type), sha1_to_hex(obj->sha1)); |
f1f0d088 PB |
38 | vfprintf(stderr, err, params); |
39 | fputs("\n", stderr); | |
40 | } | |
41 | ||
a7928f8e | 42 | static int objerror(struct object *obj, const char *err, ...) |
f1f0d088 PB |
43 | { |
44 | va_list params; | |
45 | va_start(params, err); | |
46 | objreport(obj, "error", err, params); | |
47 | va_end(params); | |
48 | return -1; | |
49 | } | |
50 | ||
a7928f8e | 51 | static int objwarning(struct object *obj, const char *err, ...) |
f1f0d088 PB |
52 | { |
53 | va_list params; | |
54 | va_start(params, err); | |
55 | objreport(obj, "warning", err, params); | |
56 | va_end(params); | |
57 | return -1; | |
58 | } | |
59 | ||
60 | ||
8ba0bbb2 LT |
61 | static void check_connectivity(void) |
62 | { | |
fc046a75 | 63 | int i, max; |
8ba0bbb2 | 64 | |
8ba0bbb2 | 65 | /* Look up all the requirements, warn about missing objects.. */ |
fc046a75 LT |
66 | max = get_max_object_index(); |
67 | for (i = 0; i < max; i++) { | |
3e4339e6 | 68 | const struct object_refs *refs; |
fc046a75 | 69 | struct object *obj = get_indexed_object(i); |
8ba0bbb2 | 70 | |
070879ca JS |
71 | if (!obj) |
72 | continue; | |
73 | ||
3a6a23e6 | 74 | if (!obj->parsed) { |
7aaa715d | 75 | if (has_sha1_file(obj->sha1)) |
8a498a05 JH |
76 | ; /* it is in pack */ |
77 | else | |
78 | printf("missing %s %s\n", | |
885a86ab | 79 | typename(obj->type), sha1_to_hex(obj->sha1)); |
3a6a23e6 LT |
80 | continue; |
81 | } | |
82 | ||
3e4339e6 LT |
83 | refs = lookup_object_refs(obj); |
84 | if (refs) { | |
4a4e6fd7 SV |
85 | unsigned j; |
86 | for (j = 0; j < refs->count; j++) { | |
87 | struct object *ref = refs->ref[j]; | |
88 | if (ref->parsed || | |
7aaa715d | 89 | (has_sha1_file(ref->sha1))) |
4a4e6fd7 SV |
90 | continue; |
91 | printf("broken link from %7s %s\n", | |
885a86ab | 92 | typename(obj->type), sha1_to_hex(obj->sha1)); |
4a4e6fd7 | 93 | printf(" to %7s %s\n", |
885a86ab | 94 | typename(ref->type), sha1_to_hex(ref->sha1)); |
4a4e6fd7 | 95 | } |
3a6a23e6 LT |
96 | } |
97 | ||
ff5ebe39 | 98 | if (show_unreachable && !(obj->flags & REACHABLE)) { |
c4584ae3 | 99 | printf("unreachable %s %s\n", |
885a86ab | 100 | typename(obj->type), sha1_to_hex(obj->sha1)); |
8ba0bbb2 | 101 | continue; |
d9839e03 | 102 | } |
8ba0bbb2 | 103 | |
ff5ebe39 | 104 | if (!obj->used) { |
885a86ab | 105 | printf("dangling %s %s\n", typename(obj->type), |
ff5ebe39 | 106 | sha1_to_hex(obj->sha1)); |
d9839e03 | 107 | } |
8ba0bbb2 LT |
108 | } |
109 | } | |
110 | ||
85003492 LT |
111 | /* |
112 | * The entries in a tree are ordered in the _path_ order, | |
113 | * which means that a directory entry is ordered by adding | |
114 | * a slash to the end of it. | |
115 | * | |
116 | * So a directory called "a" is ordered _after_ a file | |
117 | * called "a.c", because "a/" sorts after "a.c". | |
118 | */ | |
a4f35a2d JH |
119 | #define TREE_UNORDERED (-1) |
120 | #define TREE_HAS_DUPS (-2) | |
121 | ||
e9a95bef | 122 | static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, const char *name2) |
85003492 | 123 | { |
e9a95bef LT |
124 | int len1 = strlen(name1); |
125 | int len2 = strlen(name2); | |
85003492 LT |
126 | int len = len1 < len2 ? len1 : len2; |
127 | unsigned char c1, c2; | |
128 | int cmp; | |
129 | ||
e9a95bef | 130 | cmp = memcmp(name1, name2, len); |
85003492 LT |
131 | if (cmp < 0) |
132 | return 0; | |
133 | if (cmp > 0) | |
a4f35a2d | 134 | return TREE_UNORDERED; |
85003492 LT |
135 | |
136 | /* | |
137 | * Ok, the first <len> characters are the same. | |
138 | * Now we need to order the next one, but turn | |
139 | * a '\0' into a '/' for a directory entry. | |
140 | */ | |
e9a95bef LT |
141 | c1 = name1[len]; |
142 | c2 = name2[len]; | |
a4f35a2d JH |
143 | if (!c1 && !c2) |
144 | /* | |
145 | * git-write-tree used to write out a nonsense tree that has | |
146 | * entries with the same name, one blob and one tree. Make | |
147 | * sure we do not have duplicate entries. | |
148 | */ | |
149 | return TREE_HAS_DUPS; | |
e9a95bef | 150 | if (!c1 && S_ISDIR(mode1)) |
85003492 | 151 | c1 = '/'; |
e9a95bef | 152 | if (!c2 && S_ISDIR(mode2)) |
85003492 | 153 | c2 = '/'; |
a4f35a2d | 154 | return c1 < c2 ? 0 : TREE_UNORDERED; |
85003492 LT |
155 | } |
156 | ||
c418eda4 | 157 | static int fsck_tree(struct tree *item) |
20222118 | 158 | { |
64071805 | 159 | int retval; |
85003492 | 160 | int has_full_path = 0; |
64071805 LT |
161 | int has_zero_pad = 0; |
162 | int has_bad_modes = 0; | |
163 | int has_dup_entries = 0; | |
164 | int not_properly_sorted = 0; | |
e9a95bef LT |
165 | struct tree_desc desc; |
166 | unsigned o_mode; | |
167 | const char *o_name; | |
168 | const unsigned char *o_sha1; | |
85003492 | 169 | |
e9a95bef LT |
170 | desc.buf = item->buffer; |
171 | desc.size = item->size; | |
172 | ||
173 | o_mode = 0; | |
174 | o_name = NULL; | |
175 | o_sha1 = NULL; | |
176 | while (desc.size) { | |
177 | unsigned mode; | |
178 | const char *name; | |
179 | const unsigned char *sha1; | |
180 | ||
181 | sha1 = tree_entry_extract(&desc, &name, &mode); | |
182 | ||
183 | if (strchr(name, '/')) | |
85003492 | 184 | has_full_path = 1; |
e9a95bef LT |
185 | has_zero_pad |= *(char *)desc.buf == '0'; |
186 | update_tree_entry(&desc); | |
85003492 | 187 | |
e9a95bef | 188 | switch (mode) { |
42ea9cb2 | 189 | /* |
e9a95bef | 190 | * Standard modes.. |
42ea9cb2 LT |
191 | */ |
192 | case S_IFREG | 0755: | |
193 | case S_IFREG | 0644: | |
194 | case S_IFLNK: | |
195 | case S_IFDIR: | |
196 | break; | |
197 | /* | |
198 | * This is nonstandard, but we had a few of these | |
199 | * early on when we honored the full set of mode | |
200 | * bits.. | |
201 | */ | |
202 | case S_IFREG | 0664: | |
de2eb7f6 LT |
203 | if (!check_strict) |
204 | break; | |
42ea9cb2 | 205 | default: |
64071805 | 206 | has_bad_modes = 1; |
42ea9cb2 LT |
207 | } |
208 | ||
e9a95bef LT |
209 | if (o_name) { |
210 | switch (verify_ordered(o_mode, o_name, mode, name)) { | |
a4f35a2d | 211 | case TREE_UNORDERED: |
64071805 LT |
212 | not_properly_sorted = 1; |
213 | break; | |
a4f35a2d | 214 | case TREE_HAS_DUPS: |
64071805 LT |
215 | has_dup_entries = 1; |
216 | break; | |
a4f35a2d JH |
217 | default: |
218 | break; | |
85003492 LT |
219 | } |
220 | } | |
221 | ||
e9a95bef LT |
222 | o_mode = mode; |
223 | o_name = name; | |
224 | o_sha1 = sha1; | |
85003492 | 225 | } |
136f2e54 LT |
226 | free(item->buffer); |
227 | item->buffer = NULL; | |
85003492 | 228 | |
64071805 | 229 | retval = 0; |
85003492 | 230 | if (has_full_path) { |
f1f0d088 | 231 | objwarning(&item->object, "contains full pathnames"); |
1ea34e36 | 232 | } |
64071805 | 233 | if (has_zero_pad) { |
f1f0d088 | 234 | objwarning(&item->object, "contains zero-padded file modes"); |
64071805 LT |
235 | } |
236 | if (has_bad_modes) { | |
f1f0d088 | 237 | objwarning(&item->object, "contains bad file modes"); |
64071805 LT |
238 | } |
239 | if (has_dup_entries) { | |
f1f0d088 | 240 | retval = objerror(&item->object, "contains duplicate file entries"); |
64071805 LT |
241 | } |
242 | if (not_properly_sorted) { | |
f1f0d088 | 243 | retval = objerror(&item->object, "not properly sorted"); |
64071805 LT |
244 | } |
245 | return retval; | |
1ea34e36 LT |
246 | } |
247 | ||
c418eda4 | 248 | static int fsck_commit(struct commit *commit) |
1ea34e36 | 249 | { |
de2eb7f6 | 250 | char *buffer = commit->buffer; |
f1f0d088 | 251 | unsigned char tree_sha1[20], sha1[20]; |
de2eb7f6 LT |
252 | |
253 | if (memcmp(buffer, "tree ", 5)) | |
f1f0d088 PB |
254 | return objerror(&commit->object, "invalid format - expected 'tree' line"); |
255 | if (get_sha1_hex(buffer+5, tree_sha1) || buffer[45] != '\n') | |
256 | return objerror(&commit->object, "invalid 'tree' line format - bad sha1"); | |
de2eb7f6 LT |
257 | buffer += 46; |
258 | while (!memcmp(buffer, "parent ", 7)) { | |
259 | if (get_sha1_hex(buffer+7, sha1) || buffer[47] != '\n') | |
f1f0d088 | 260 | return objerror(&commit->object, "invalid 'parent' line format - bad sha1"); |
de2eb7f6 LT |
261 | buffer += 48; |
262 | } | |
263 | if (memcmp(buffer, "author ", 7)) | |
f1f0d088 | 264 | return objerror(&commit->object, "invalid format - expected 'author' line"); |
bd1e17e2 LT |
265 | free(commit->buffer); |
266 | commit->buffer = NULL; | |
ff5ebe39 | 267 | if (!commit->tree) |
f1f0d088 | 268 | return objerror(&commit->object, "could not load commit's tree %s", tree_sha1); |
ab7df187 | 269 | if (!commit->parents && show_root) |
c418eda4 | 270 | printf("root %s\n", sha1_to_hex(commit->object.sha1)); |
e6948b6d | 271 | if (!commit->date) |
c418eda4 DB |
272 | printf("bad commit date in %s\n", |
273 | sha1_to_hex(commit->object.sha1)); | |
4728b861 LT |
274 | return 0; |
275 | } | |
276 | ||
c418eda4 | 277 | static int fsck_tag(struct tag *tag) |
ec4465ad | 278 | { |
92d4c85d LT |
279 | struct object *tagged = tag->tagged; |
280 | ||
281 | if (!tagged) { | |
f1f0d088 | 282 | return objerror(&tag->object, "could not load tagged object"); |
92d4c85d | 283 | } |
889262ea LT |
284 | if (!show_tags) |
285 | return 0; | |
286 | ||
885a86ab | 287 | printf("tagged %s %s", typename(tagged->type), sha1_to_hex(tagged->sha1)); |
92d4c85d | 288 | printf(" (%s) in %s\n", tag->tag, sha1_to_hex(tag->object.sha1)); |
ff5ebe39 | 289 | return 0; |
20222118 LT |
290 | } |
291 | ||
7e8c174a | 292 | static int fsck_sha1(unsigned char *sha1) |
20222118 | 293 | { |
7e8c174a LT |
294 | struct object *obj = parse_object(sha1); |
295 | if (!obj) | |
f1f0d088 | 296 | return error("%s: object not found", sha1_to_hex(sha1)); |
2d9c58c6 LT |
297 | if (obj->flags & SEEN) |
298 | return 0; | |
299 | obj->flags |= SEEN; | |
1974632c | 300 | if (obj->type == OBJ_BLOB) |
7e8c174a | 301 | return 0; |
1974632c | 302 | if (obj->type == OBJ_TREE) |
7e8c174a | 303 | return fsck_tree((struct tree *) obj); |
1974632c | 304 | if (obj->type == OBJ_COMMIT) |
7e8c174a | 305 | return fsck_commit((struct commit *) obj); |
1974632c | 306 | if (obj->type == OBJ_TAG) |
7e8c174a | 307 | return fsck_tag((struct tag *) obj); |
f1f0d088 | 308 | /* By now, parse_object() would've returned NULL instead. */ |
885a86ab | 309 | return objerror(obj, "unknown type '%d' (internal fsck error)", obj->type); |
7e8c174a LT |
310 | } |
311 | ||
312 | /* | |
313 | * This is the sorting chunk size: make it reasonably | |
314 | * big so that we can sort well.. | |
315 | */ | |
316 | #define MAX_SHA1_ENTRIES (1024) | |
317 | ||
318 | struct sha1_entry { | |
319 | unsigned long ino; | |
20222118 | 320 | unsigned char sha1[20]; |
7e8c174a LT |
321 | }; |
322 | ||
323 | static struct { | |
324 | unsigned long nr; | |
325 | struct sha1_entry *entry[MAX_SHA1_ENTRIES]; | |
326 | } sha1_list; | |
327 | ||
328 | static int ino_compare(const void *_a, const void *_b) | |
329 | { | |
330 | const struct sha1_entry *a = _a, *b = _b; | |
331 | unsigned long ino1 = a->ino, ino2 = b->ino; | |
332 | return ino1 < ino2 ? -1 : ino1 > ino2 ? 1 : 0; | |
333 | } | |
334 | ||
335 | static void fsck_sha1_list(void) | |
336 | { | |
337 | int i, nr = sha1_list.nr; | |
338 | ||
35a730f0 JH |
339 | if (SORT_DIRENT) |
340 | qsort(sha1_list.entry, nr, | |
341 | sizeof(struct sha1_entry *), ino_compare); | |
7e8c174a LT |
342 | for (i = 0; i < nr; i++) { |
343 | struct sha1_entry *entry = sha1_list.entry[i]; | |
344 | unsigned char *sha1 = entry->sha1; | |
345 | ||
346 | sha1_list.entry[i] = NULL; | |
f1f0d088 | 347 | fsck_sha1(sha1); |
7e8c174a | 348 | free(entry); |
20222118 | 349 | } |
7e8c174a LT |
350 | sha1_list.nr = 0; |
351 | } | |
352 | ||
353 | static void add_sha1_list(unsigned char *sha1, unsigned long ino) | |
354 | { | |
355 | struct sha1_entry *entry = xmalloc(sizeof(*entry)); | |
356 | int nr; | |
357 | ||
358 | entry->ino = ino; | |
e702496e | 359 | hashcpy(entry->sha1, sha1); |
7e8c174a LT |
360 | nr = sha1_list.nr; |
361 | if (nr == MAX_SHA1_ENTRIES) { | |
362 | fsck_sha1_list(); | |
363 | nr = 0; | |
364 | } | |
365 | sha1_list.entry[nr] = entry; | |
366 | sha1_list.nr = ++nr; | |
20222118 LT |
367 | } |
368 | ||
b5524c82 | 369 | static void fsck_dir(int i, char *path) |
20222118 LT |
370 | { |
371 | DIR *dir = opendir(path); | |
372 | struct dirent *de; | |
373 | ||
230f1322 | 374 | if (!dir) |
b5524c82 | 375 | return; |
20222118 LT |
376 | |
377 | while ((de = readdir(dir)) != NULL) { | |
378 | char name[100]; | |
7e8c174a | 379 | unsigned char sha1[20]; |
20222118 LT |
380 | int len = strlen(de->d_name); |
381 | ||
382 | switch (len) { | |
383 | case 2: | |
384 | if (de->d_name[1] != '.') | |
385 | break; | |
386 | case 1: | |
387 | if (de->d_name[0] != '.') | |
388 | break; | |
389 | continue; | |
390 | case 38: | |
391 | sprintf(name, "%02x", i); | |
392 | memcpy(name+2, de->d_name, len+1); | |
7e8c174a LT |
393 | if (get_sha1_hex(name, sha1) < 0) |
394 | break; | |
35a730f0 | 395 | add_sha1_list(sha1, DIRENT_SORT_HINT(de)); |
7e8c174a | 396 | continue; |
20222118 LT |
397 | } |
398 | fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); | |
399 | } | |
400 | closedir(dir); | |
20222118 LT |
401 | } |
402 | ||
96f1e58f | 403 | static int default_refs; |
944d8589 LT |
404 | |
405 | static int fsck_handle_ref(const char *refname, const unsigned char *sha1) | |
1024932f | 406 | { |
1024932f LT |
407 | struct object *obj; |
408 | ||
1024932f | 409 | obj = lookup_object(sha1); |
8a498a05 | 410 | if (!obj) { |
7aaa715d | 411 | if (has_sha1_file(sha1)) { |
659cacf5 | 412 | default_refs++; |
944d8589 | 413 | return 0; /* it is in a pack */ |
659cacf5 | 414 | } |
944d8589 LT |
415 | error("%s: invalid sha1 pointer %s", refname, sha1_to_hex(sha1)); |
416 | /* We'll continue with the rest despite the error.. */ | |
417 | return 0; | |
8a498a05 | 418 | } |
944d8589 | 419 | default_refs++; |
1024932f LT |
420 | obj->used = 1; |
421 | mark_reachable(obj, REACHABLE); | |
7c4d07c7 | 422 | return 0; |
1024932f LT |
423 | } |
424 | ||
1024932f LT |
425 | static void get_default_heads(void) |
426 | { | |
944d8589 LT |
427 | for_each_ref(fsck_handle_ref); |
428 | if (!default_refs) | |
477606f5 | 429 | die("No default references"); |
1024932f LT |
430 | } |
431 | ||
8a498a05 JH |
432 | static void fsck_object_dir(const char *path) |
433 | { | |
434 | int i; | |
435 | for (i = 0; i < 256; i++) { | |
436 | static char dir[4096]; | |
437 | sprintf(dir, "%s/%02x", path, i); | |
438 | fsck_dir(i, dir); | |
439 | } | |
440 | fsck_sha1_list(); | |
441 | } | |
442 | ||
c3330383 LT |
443 | static int fsck_head_link(void) |
444 | { | |
c3330383 | 445 | unsigned char sha1[20]; |
8098a178 JH |
446 | const char *git_HEAD = strdup(git_path("HEAD")); |
447 | const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 1); | |
448 | int pfxlen = strlen(git_HEAD) - 4; /* strip .../.git/ part */ | |
449 | ||
450 | if (!git_refs_heads_master) | |
451 | return error("HEAD is not a symbolic ref"); | |
452 | if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11)) | |
453 | return error("HEAD points to something strange (%s)", | |
454 | git_refs_heads_master + pfxlen); | |
0bef57ee | 455 | if (is_null_sha1(sha1)) |
c3330383 LT |
456 | return error("HEAD: not a valid git pointer"); |
457 | return 0; | |
458 | } | |
459 | ||
53dc3f3e JH |
460 | static int fsck_cache_tree(struct cache_tree *it) |
461 | { | |
462 | int i; | |
463 | int err = 0; | |
464 | ||
465 | if (0 <= it->entry_count) { | |
466 | struct object *obj = parse_object(it->sha1); | |
6d60bbef JH |
467 | if (!obj) { |
468 | error("%s: invalid sha1 pointer in cache-tree", | |
469 | sha1_to_hex(it->sha1)); | |
470 | return 1; | |
471 | } | |
cdc08b33 JH |
472 | mark_reachable(obj, REACHABLE); |
473 | obj->used = 1; | |
1974632c | 474 | if (obj->type != OBJ_TREE) |
53dc3f3e JH |
475 | err |= objerror(obj, "non-tree in cache-tree"); |
476 | } | |
477 | for (i = 0; i < it->subtree_nr; i++) | |
478 | err |= fsck_cache_tree(it->down[i]->cache_tree); | |
479 | return err; | |
480 | } | |
481 | ||
20222118 LT |
482 | int main(int argc, char **argv) |
483 | { | |
bcee6fd8 | 484 | int i, heads; |
20222118 | 485 | |
3a7c352b | 486 | track_object_refs = 1; |
61e2b015 JH |
487 | setup_git_directory(); |
488 | ||
889262ea LT |
489 | for (i = 1; i < argc; i++) { |
490 | const char *arg = argv[i]; | |
491 | ||
492 | if (!strcmp(arg, "--unreachable")) { | |
493 | show_unreachable = 1; | |
494 | continue; | |
495 | } | |
496 | if (!strcmp(arg, "--tags")) { | |
497 | show_tags = 1; | |
498 | continue; | |
499 | } | |
ab7df187 LT |
500 | if (!strcmp(arg, "--root")) { |
501 | show_root = 1; | |
502 | continue; | |
503 | } | |
ae7c0c92 JH |
504 | if (!strcmp(arg, "--cache")) { |
505 | keep_cache_objects = 1; | |
506 | continue; | |
507 | } | |
8a498a05 JH |
508 | if (!strcmp(arg, "--full")) { |
509 | check_full = 1; | |
510 | continue; | |
511 | } | |
de2eb7f6 LT |
512 | if (!strcmp(arg, "--strict")) { |
513 | check_strict = 1; | |
514 | continue; | |
515 | } | |
889262ea | 516 | if (*arg == '-') |
7aaa715d | 517 | usage("git-fsck-objects [--tags] [--root] [[--unreachable] [--cache] [--full] [--strict] <head-sha1>*]"); |
889262ea LT |
518 | } |
519 | ||
c3330383 | 520 | fsck_head_link(); |
8a498a05 JH |
521 | fsck_object_dir(get_object_directory()); |
522 | if (check_full) { | |
d5a63b99 | 523 | struct alternate_object_database *alt; |
8a498a05 JH |
524 | struct packed_git *p; |
525 | prepare_alt_odb(); | |
d5a63b99 | 526 | for (alt = alt_odb_list; alt; alt = alt->next) { |
a3eb250f | 527 | char namebuf[PATH_MAX]; |
d5a63b99 JH |
528 | int namelen = alt->name - alt->base; |
529 | memcpy(namebuf, alt->base, namelen); | |
a3eb250f JH |
530 | namebuf[namelen - 1] = 0; |
531 | fsck_object_dir(namebuf); | |
8a498a05 JH |
532 | } |
533 | prepare_packed_git(); | |
f9253394 JH |
534 | for (p = packed_git; p; p = p->next) |
535 | /* verify gives error messages itself */ | |
f3bf9224 | 536 | verify_pack(p, 0); |
f9253394 | 537 | |
8a498a05 JH |
538 | for (p = packed_git; p; p = p->next) { |
539 | int num = num_packed_objects(p); | |
540 | for (i = 0; i < num; i++) { | |
541 | unsigned char sha1[20]; | |
542 | nth_packed_object_sha1(p, i, sha1); | |
f1f0d088 | 543 | fsck_sha1(sha1); |
8a498a05 JH |
544 | } |
545 | } | |
bcee6fd8 LT |
546 | } |
547 | ||
548 | heads = 0; | |
d9839e03 | 549 | for (i = 1; i < argc; i++) { |
889262ea LT |
550 | const char *arg = argv[i]; |
551 | ||
552 | if (*arg == '-') | |
d9839e03 | 553 | continue; |
889262ea | 554 | |
3c249c95 | 555 | if (!get_sha1(arg, head_sha1)) { |
770896e5 | 556 | struct object *obj = lookup_object(head_sha1); |
e1a1388d | 557 | |
770896e5 LT |
558 | /* Error is printed by lookup_object(). */ |
559 | if (!obj) | |
e1a1388d JF |
560 | continue; |
561 | ||
ff5ebe39 DB |
562 | obj->used = 1; |
563 | mark_reachable(obj, REACHABLE); | |
bcee6fd8 | 564 | heads++; |
d9839e03 LT |
565 | continue; |
566 | } | |
f1f0d088 | 567 | error("invalid parameter: expected sha1, got '%s'", arg); |
d9839e03 | 568 | } |
d9839e03 | 569 | |
1024932f | 570 | /* |
d1af002d | 571 | * If we've not been given any explicit head information, do the |
e7bd907d LT |
572 | * default ones from .git/refs. We also consider the index file |
573 | * in this case (ie this implies --cache). | |
1024932f | 574 | */ |
e7bd907d | 575 | if (!heads) { |
1024932f LT |
576 | get_default_heads(); |
577 | keep_cache_objects = 1; | |
578 | } | |
579 | ||
ae7c0c92 JH |
580 | if (keep_cache_objects) { |
581 | int i; | |
582 | read_cache(); | |
583 | for (i = 0; i < active_nr; i++) { | |
584 | struct blob *blob = lookup_blob(active_cache[i]->sha1); | |
585 | struct object *obj; | |
586 | if (!blob) | |
587 | continue; | |
588 | obj = &blob->object; | |
589 | obj->used = 1; | |
590 | mark_reachable(obj, REACHABLE); | |
591 | } | |
53dc3f3e JH |
592 | if (active_cache_tree) |
593 | fsck_cache_tree(active_cache_tree); | |
ae7c0c92 JH |
594 | } |
595 | ||
8ba0bbb2 | 596 | check_connectivity(); |
20222118 LT |
597 | return 0; |
598 | } |