Merge branch 'master' of git://repo.or.cz/alt-git
[git/mingw.git] / cache-tree.h
blob41c574663a14840aa726c46c19b071fa6555f0ef
1 #ifndef CACHE_TREE_H
2 #define CACHE_TREE_H
4 #include "tree.h"
5 #include "tree-walk.h"
7 struct cache_tree;
8 struct cache_tree_sub {
9 struct cache_tree *cache_tree;
10 int count; /* internally used by update_one() */
11 int namelen;
12 int used;
13 char name[FLEX_ARRAY];
16 struct cache_tree {
17 int entry_count; /* negative means "invalid" */
18 unsigned char sha1[20];
19 int subtree_nr;
20 int subtree_alloc;
21 struct cache_tree_sub **down;
24 struct cache_tree *cache_tree(void);
25 void cache_tree_free(struct cache_tree **);
26 void cache_tree_invalidate_path(struct index_state *, const char *);
27 struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
29 void cache_tree_write(struct strbuf *, struct cache_tree *root);
30 struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
32 int cache_tree_fully_valid(struct cache_tree *);
33 int cache_tree_update(struct index_state *, int);
35 int update_main_cache_tree(int);
37 /* bitmasks to write_cache_as_tree flags */
38 #define WRITE_TREE_MISSING_OK 1
39 #define WRITE_TREE_IGNORE_CACHE_TREE 2
40 #define WRITE_TREE_DRY_RUN 4
41 #define WRITE_TREE_SILENT 8
42 #define WRITE_TREE_REPAIR 16
44 /* error return codes */
45 #define WRITE_TREE_UNREADABLE_INDEX (-1)
46 #define WRITE_TREE_UNMERGED_INDEX (-2)
47 #define WRITE_TREE_PREFIX_ERROR (-3)
49 int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
50 int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix);
51 void prime_cache_tree(struct index_state *, struct tree *);
53 extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
55 #endif