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Function for updating refs.

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A function intended to be called from builtins updating refs
by locking them before write, specially those that came from
scripts using "git update-ref".

[jc: with minor fixups]

Signed-off-by: Carlos Rica <jasampler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Carlos Rica
2007-09-05 03:38:24 +02:00
committed by Junio C Hamano
parent 1e61b7640d
commit 3d9f037c60
5 changed files with 46 additions and 29 deletions
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6
refs.h
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@ -64,4 +64,10 @@ extern int rename_ref(const char *oldref, const char *newref, const char *logmsg
/** resolve ref in nested "gitlink" repository */
extern int resolve_gitlink_ref(const char *name, const char *refname, unsigned char *result);
/** lock a ref and then write its file */
enum action_on_err { MSG_ON_ERR, DIE_ON_ERR, QUIET_ON_ERR };
int update_ref(const char *action, const char *refname,
const unsigned char *sha1, const unsigned char *oldval,
int flags, enum action_on_err onerr);
#endif /* REFS_H */