summaryrefslogtreecommitdiff
path: root/refs.h
blob: 7565decb0f9ce53e55a402cc9c8a8655ffcafb0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
#ifndef REFS_H
#define REFS_H
 
/*
 * Calls the specified function for each ref file until it returns nonzero,
 * and returns the value
 */
extern int for_each_ref(int (*fn)(const char *path, unsigned char *sha1));
 
/** Reads the refs file specified into sha1 **/
extern int get_ref_sha1(const char *ref, unsigned char *sha1);
 
/** Locks ref and returns the fd to give to write_ref_sha1() if the ref
 * has the given value currently; otherwise, returns -1.
 **/
extern int lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
 
/** Writes sha1 into the refs file specified, locked with the given fd. **/
extern int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1);
 
/** Writes sha1 into the refs file specified. **/
extern int write_ref_sha1_unlocked(const char *ref, const unsigned char *sha1);
 
/** Returns 0 if target has the right format for a ref. **/
extern int check_ref_format(const char *target);
 
#endif /* REFS_H */