lock_ref_sha1_basic(): remember the original name of a ref when resolving it

A ref might be pointing to another ref but only the name of the last ref
is remembered.  Let's remember about the first name as well.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/refs.h b/refs.h
index 2d2ba149ab..94a58b41fb 100644
--- a/refs.h
+++ b/refs.h
@@ -3,6 +3,7 @@
 
 struct ref_lock {
 	char *ref_name;
+	char *orig_ref_name;
 	struct lock_file *lk;
 	unsigned char old_sha1[20];
 	int lock_fd;