#define REFS_H
struct ref_lock {
- char *ref_file;
- char *lock_file;
+ char *ref_name;
+ char *log_file;
+ struct lock_file *lk;
unsigned char old_sha1[20];
int lock_fd;
+ int force_write;
};
+#define REF_ISSYMREF 01
+#define REF_ISPACKED 02
+
/*
* 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));
-extern int for_each_tag_ref(int (*fn)(const char *path, const unsigned char *sha1));
-extern int for_each_branch_ref(int (*fn)(const char *path, const unsigned char *sha1));
-extern int for_each_remote_ref(int (*fn)(const char *path, const unsigned char *sha1));
+typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data);
+extern int head_ref(each_ref_fn, void *);
+extern int for_each_ref(each_ref_fn, void *);
+extern int for_each_tag_ref(each_ref_fn, void *);
+extern int for_each_branch_ref(each_ref_fn, void *);
+extern int for_each_remote_ref(each_ref_fn, void *);
+
+extern int peel_ref(const char *, unsigned char *);
/** Reads the refs file specified into sha1 **/
extern int get_ref_sha1(const char *ref, unsigned char *sha1);
/** Locks a "refs/" ref returning the lock on success and NULL on failure. **/
-extern struct ref_lock* lock_ref_sha1(const char *ref, const unsigned char *old_sha1, int mustexist);
+extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
/** Locks any ref (for 'HEAD' type refs). */
-extern struct ref_lock* lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int mustexist);
+extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1);
/** Release any lock taken but not written. **/
-extern void unlock_ref (struct ref_lock *lock);
+extern void unlock_ref(struct ref_lock *lock);
/** Writes sha1 into the ref specified by the lock. **/
extern int write_ref_sha1(struct ref_lock *lock, const unsigned char *sha1, const char *msg);
+/** Reads log for the value of ref during at_time. **/
+extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1);
+
/** Returns 0 if target has the right format for a ref. **/
extern int check_ref_format(const char *target);