Revision d66189e2c937867e295aa348068b49498ae1b5ab authored by Junio C Hamano on 24 September 2005, 21:58:57 UTC, committed by Junio C Hamano on 24 September 2005, 21:58:57 UTC
Pasky taught me how he does his versioning for ELinks.  This will sort
after 0.99.7 and interim fixes 0.99.7a, and before 0.99.8.

Signed-off-by: Junio C Hamano <junkio@cox.net>
1 parent 229a7ed
Raw File
refs.h
#ifndef REFS_H
#define REFS_H

/*
 * Calls the specified function for each ref file until it returns nonzero,
 * and returns the value
 */
extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1));
extern int for_each_ref(int (*fn)(const char *path, const 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 */
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