refs API: make refs_resolve_refdup() not set errno

Move refs_resolve_refdup() from the legacy refs_resolve_ref_unsafe()
to the new refs_werrres_ref_unsafe(). I have read its callers and
determined that they don't care about errno being set.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/refs.c b/refs.c
index dc6ed56149..09452b5e41 100644
--- a/refs.c
+++ b/refs.c
@@ -268,9 +268,10 @@ char *refs_resolve_refdup(struct ref_store *refs,
 			  struct object_id *oid, int *flags)
 {
 	const char *result;
+	int ignore_errno;
 
-	result = refs_resolve_ref_unsafe(refs, refname, resolve_flags,
-					 oid, flags);
+	result = refs_werrres_ref_unsafe(refs, refname, resolve_flags,
+					 oid, flags, &ignore_errno);
 	return xstrdup_or_null(result);
 }