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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
c80dd396
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30int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen);
31
1dffb8fa 32void cache_tree_write(struct strbuf *, struct cache_tree *root);
bad68ec9 33struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
74986462 34
bad68ec9 35int cache_tree_fully_valid(struct cache_tree *);
d0cfc3e8 36int cache_tree_update(struct index_state *, int);
c207e9e1 37void cache_tree_verify(struct repository *, struct index_state *);
996277c5 38
724dd767 39/* bitmasks to write_index_as_tree flags */
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40#define WRITE_TREE_MISSING_OK 1
41#define WRITE_TREE_IGNORE_CACHE_TREE 2
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42#define WRITE_TREE_DRY_RUN 4
43#define WRITE_TREE_SILENT 8
aecf567c 44#define WRITE_TREE_REPAIR 16
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45
46/* error return codes */
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47#define WRITE_TREE_UNREADABLE_INDEX (-1)
48#define WRITE_TREE_UNMERGED_INDEX (-2)
49#define WRITE_TREE_PREFIX_ERROR (-3)
50
724dd767 51struct tree* write_in_core_index_as_tree(struct repository *repo);
fc5cb99f 52int write_index_as_tree(struct object_id *oid, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
c207e9e1 53void prime_cache_tree(struct repository *, struct index_state *, struct tree *);
b9d37a54 54
9ab34f9e 55int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
b65982b6 56
f8adbec9 57#ifdef USE_THE_INDEX_COMPATIBILITY_MACROS
07096c96
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58static inline int write_cache_as_tree(struct object_id *oid, int flags, const char *prefix)
59{
60 return write_index_as_tree(oid, &the_index, get_index_file(), flags, prefix);
61}
62
63static inline int update_main_cache_tree(int flags)
64{
65 if (!the_index.cache_tree)
66 the_index.cache_tree = cache_tree();
67 return cache_tree_update(&the_index, flags);
68}
69#endif
70
74986462 71#endif