Convert resolve_ref+xstrdup to new resolve_refdup function

diff --git a/refs.c b/refs.c
index f5cb297292f5ae577e3d2719f5f78512aae8cf28..8ffb32fe58007d22c4380bd860ccb6e1b8d15c75 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -605,6 +605,12 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
        return ref;
 }
 
+char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag)
+{
+       const char *ret = resolve_ref(ref, sha1, reading, flag);
+       return ret ? xstrdup(ret) : NULL;
+}
+
 /* The argument to filter_refs */
 struct ref_filter {
        const char *pattern;