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Daniel Barkalow95fc7512005-06-06 20:31:291#ifndef REFS_H
2#define REFS_H
3
Linus Torvalds8a65ff72005-07-03 03:23:364/*
5 * Calls the specified function for each ref file until it returns nonzero,
6 * and returns the value
7 */
Linus Torvalds723c31f2005-07-05 18:31:328extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1));
Linus Torvalds944d8582005-07-03 17:01:389extern int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1));
Linus Torvalds8a65ff72005-07-03 03:23:3610
Daniel Barkalow95fc7512005-06-06 20:31:2911/** Reads the refs file specified into sha1 **/
12extern int get_ref_sha1(const char *ref, unsigned char *sha1);
13
14/** Locks ref and returns the fd to give to write_ref_sha1() if the ref
15 * has the given value currently; otherwise, returns -1.
16 **/
17extern int lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
18
19/** Writes sha1 into the refs file specified, locked with the given fd. **/
20extern int write_ref_sha1(const char *ref, int fd, const unsigned char *sha1);
21
22/** Writes sha1 into the refs file specified. **/
23extern int write_ref_sha1_unlocked(const char *ref, const unsigned char *sha1);
24
25/** Returns 0 if target has the right format for a ref. **/
26extern int check_ref_format(const char *target);
27
28#endif /* REFS_H */