root/cache-tree.h

INCLUDED FROM

#ifndef CACHE_TREE_H
#define CACHE_TREE_H

#include "tree.h"
#include "tree-walk.h"

struct cache_tree;
struct cache_tree_sub {
        struct cache_tree *cache_tree;
        int count;              /* internally used by update_one() */
        int namelen;
        int used;
        char name[FLEX_ARRAY];
};

struct cache_tree {
        int entry_count; /* negative means "invalid" */
        unsigned char sha1[20];
        int subtree_nr;
        int subtree_alloc;
        struct cache_tree_sub **down;
};

struct cache_tree *cache_tree(void);
void cache_tree_free(struct cache_tree **);
void cache_tree_invalidate_path(struct index_state *, const char *);
struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);

void cache_tree_write(struct strbuf *, struct cache_tree *root);
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);

int cache_tree_fully_valid(struct cache_tree *);
int cache_tree_update(struct index_state *, int);

int update_main_cache_tree(int);

/* bitmasks to write_cache_as_tree flags */
#define WRITE_TREE_MISSING_OK 1
#define WRITE_TREE_IGNORE_CACHE_TREE 2
#define WRITE_TREE_DRY_RUN 4
#define WRITE_TREE_SILENT 8
#define WRITE_TREE_REPAIR 16

/* error return codes */
#define WRITE_TREE_UNREADABLE_INDEX (-1)
#define WRITE_TREE_UNMERGED_INDEX (-2)
#define WRITE_TREE_PREFIX_ERROR (-3)

int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix);
void prime_cache_tree(struct index_state *, struct tree *);

extern int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);

#endif