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