1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#include "cache.h"
#include "object.h"
#include "blob.h"
#include "tree.h"
#include "tree-walk.h"
#include "commit.h"
#include "tag.h"
#include "fsck.h"
static int fsck_walk_tree(struct tree *tree, fsck_walk_func walk, void *data)
{
struct tree_desc desc;
struct name_entry entry;
int res = 0;
if (parse_tree(tree))
return -1;
init_tree_desc(&desc, tree->buffer, tree->size);
while (tree_entry(&desc, &entry)) {
int result;
if (S_ISGITLINK(entry.mode))
continue;
if (S_ISDIR(entry.mode))
result = walk(&lookup_tree(entry.sha1)->object, OBJ_TREE, data);
else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode))
result = walk(&lookup_blob(entry.sha1)->object, OBJ_BLOB, data);
else {
result = error("in tree %s: entry %s has bad mode %.6o\n",
sha1_to_hex(tree->object.sha1), entry.path, entry.mode);
}
if (result < 0)
return result;
if (!res)
res = result;
}
return res;
}
static int fsck_walk_commit(struct commit *commit, fsck_walk_func walk, void *data)
{
struct commit_list *parents;
int res;
int result;
if (parse_commit(commit))
return -1;
result = walk((struct object *)commit->tree, OBJ_TREE, data);
if (result < 0)
return result;
res = result;
parents = commit->parents;
while (parents) {
result = walk((struct object *)parents->item, OBJ_COMMIT, data);
if (result < 0)
return result;
if (!res)
res = result;
parents = parents->next;
}
return res;
}
static int fsck_walk_tag(struct tag *tag, fsck_walk_func walk, void *data)
{
if (parse_tag(tag))
return -1;
return walk(tag->tagged, OBJ_ANY, data);
}
int fsck_walk(struct object *obj, fsck_walk_func walk, void *data)
{
if (!obj)
return -1;
switch (obj->type) {
case OBJ_BLOB:
return 0;
case OBJ_TREE:
return fsck_walk_tree((struct tree *)obj, walk, data);
case OBJ_COMMIT:
return fsck_walk_commit((struct commit *)obj, walk, data);
case OBJ_TAG:
return fsck_walk_tag((struct tag *)obj, walk, data);
default:
error("Unknown object type for %s", sha1_to_hex(obj->sha1));
return -1;
}
}
|
