mirror of
https://github.com/git/git
synced 2024-08-27 19:49:21 +00:00
355885d531
The requirements are: * it may not crash on NULL pointers * a callback function is needed, as index-pack/unpack-objects need to do different things * the type information is needed to check the expected <-> real type and print better error messages Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
92 lines
2 KiB
C
92 lines
2 KiB
C
#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;
|
|
}
|
|
}
|