scan reflogs independently from refs

Currently, the search for all reflogs depends on the existence of
corresponding refs under the .git/refs/ directory.  Let's scan the
.git/logs/ directory directly instead.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/refs.h b/refs.h
index 94a58b41fb..acedffc0e4 100644
--- a/refs.h
+++ b/refs.h
@@ -48,6 +48,12 @@ extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned
 typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *);
 int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
 
+/*
+ * Calls the specified function for each reflog file until it returns nonzero,
+ * and returns the value
+ */
+extern int for_each_reflog(each_ref_fn, void *);
+
 /** Returns 0 if target has the right format for a ref. **/
 extern int check_ref_format(const char *target);