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883d60fa97
It used to ignore the return value of the helper function; now, it expects it to return 0, and stops iteration upon non-zero return values; this value is then passed on as the return value of for_each_reflog_ent(). Further, it makes no sense to force the parsing upon the helper functions; for_each_reflog_ent() now calls the helper function with old and new sha1, the email, the timestamp & timezone, and the message. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
57 lines
2 KiB
C
57 lines
2 KiB
C
#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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/* iterate over reflog entries */
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typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *);
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int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
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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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/** rename ref, return 0 on success **/
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extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);
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#endif /* REFS_H */
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