[thirdparty/git.git] / 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 */
Commit	Line	Data
95fc7512 DB	1	#ifndef REFS_H
	2	#define REFS_H
	3
8a65ff76 LT	4	/*
	5	* Calls the specified function for each ref file until it returns nonzero,
	6	* and returns the value
	7	*/
723c31fe	8	extern int head_ref(int (fn)(const char path, const unsigned char *sha1));
944d8589	9	extern int for_each_ref(int (fn)(const char path, const unsigned char *sha1));
8a65ff76	10
95fc7512 DB	11	/ Reads the refs file specified into sha1 /
	12	extern 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	**/
	17	extern 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. /
	20	extern int write_ref_sha1(const char ref, int fd, const unsigned char sha1);
	21
	22	/ Writes sha1 into the refs file specified. /
	23	extern 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. /
	26	extern int check_ref_format(const char *target);
	27
	28	#endif /* REFS_H */