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