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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" | |
9 | ||
10 | static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data) | |
11 | { | |
12 | struct tree_desc desc; | |
13 | struct name_entry entry; | |
14 | int res = 0; | |
15 | ||
16 | if (parse_tree(tree)) | |
17 | return -1; | |
18 | ||
19 | init_tree_desc(&desc, tree->buffer, tree->size); | |
20 | while (tree_entry(&desc, &entry)) { | |
21 | int result; | |
22 | ||
23 | if (S_ISGITLINK(entry.mode)) | |
24 | continue; | |
25 | if (S_ISDIR(entry.mode)) | |
26 | result = walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data); | |
27 | else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) | |
28 | result = walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data); | |
29 | else { | |
30 | result = error("in tree %s: entry %s has bad mode %.6o\n", | |
31 | sha1_to_hex(tree->object.sha1), entry.path, entry.mode); | |
32 | } | |
33 | if (result < 0) | |
34 | return result; | |
35 | if (!res) | |
36 | res = result; | |
37 | } | |
38 | return res; | |
39 | } | |
40 | ||
41 | static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *data) | |
42 | { | |
43 | struct commit_list *parents; | |
44 | int res; | |
45 | int result; | |
46 | ||
47 | if (parse_commit(commit)) | |
48 | return -1; | |
49 | ||
50 | result = walk((struct object *)commit->tree, OBJ_TREE, data); | |
51 | if (result < 0) | |
52 | return result; | |
53 | res = result; | |
54 | ||
55 | parents = commit->parents; | |
56 | while (parents) { | |
57 | result = walk((struct object *)parents->item, OBJ_COMMIT, data); | |
58 | if (result < 0) | |
59 | return result; | |
60 | if (!res) | |
61 | res = result; | |
62 | parents = parents->next; | |
63 | } | |
64 | return res; | |
65 | } | |
66 | ||
67 | static int fsck_walk_tag(struct tag *tag, fsck_walk_func walk, void *data) | |
68 | { | |
69 | if (parse_tag(tag)) | |
70 | return -1; | |
71 | return walk(tag->tagged, OBJ_ANY, data); | |
72 | } | |
73 | ||
74 | int fsck_walk(struct object *obj, fsck_walk_func walk, void *data) | |
75 | { | |
76 | if (!obj) | |
77 | return -1; | |
78 | switch (obj->type) { | |
79 | case OBJ_BLOB: | |
80 | return 0; | |
81 | case OBJ_TREE: | |
82 | return fsck_walk_tree((struct tree *)obj, walk, data); | |
83 | case OBJ_COMMIT: | |
84 | return fsck_walk_commit((struct commit *)obj, walk, data); | |
85 | case OBJ_TAG: | |
86 | return fsck_walk_tag((struct tag *)obj, walk, data); | |
87 | default: | |
88 | error("Unknown object type for %s", sha1_to_hex(obj->sha1)); | |
89 | return -1; | |
90 | } | |
91 | } |