builtin/write-tree: convert to struct object_id
[git/git.git] / cache-tree.h
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1#ifndef CACHE_TREE_H
2#define CACHE_TREE_H
3
e0a92804 4#include "cache.h"
b9d37a54 5#include "tree.h"
b65982b6 6#include "tree-walk.h"
b9d37a54 7
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8struct cache_tree;
9struct cache_tree_sub {
10 struct cache_tree *cache_tree;
3cf773e4 11 int count; /* internally used by update_one() */
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12 int namelen;
13 int used;
14 char name[FLEX_ARRAY];
15};
16
17struct cache_tree {
18 int entry_count; /* negative means "invalid" */
e0a92804 19 struct object_id oid;
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20 int subtree_nr;
21 int subtree_alloc;
22 struct cache_tree_sub **down;
23};
24
25struct cache_tree *cache_tree(void);
bad68ec9 26void cache_tree_free(struct cache_tree **);
a5400efe 27void cache_tree_invalidate_path(struct index_state *, const char *);
7927a55d 28struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
74986462 29
1dffb8fa 30void cache_tree_write(struct strbuf *, struct cache_tree *root);
bad68ec9 31struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
74986462 32
bad68ec9 33int cache_tree_fully_valid(struct cache_tree *);
d0cfc3e8 34int cache_tree_update(struct index_state *, int);
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35
36int update_main_cache_tree(int);
74986462 37
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38/* bitmasks to write_cache_as_tree flags */
39#define WRITE_TREE_MISSING_OK 1
40#define WRITE_TREE_IGNORE_CACHE_TREE 2
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41#define WRITE_TREE_DRY_RUN 4
42#define WRITE_TREE_SILENT 8
aecf567c 43#define WRITE_TREE_REPAIR 16
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44
45/* error return codes */
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46#define WRITE_TREE_UNREADABLE_INDEX (-1)
47#define WRITE_TREE_UNMERGED_INDEX (-2)
48#define WRITE_TREE_PREFIX_ERROR (-3)
49
d23a5117 50int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
d11b8d34 51int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix);
e6c286e8 52void prime_cache_tree(struct index_state *, struct tree *);
b9d37a54 53
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54extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
55
74986462 56#endif