checkout.h: wrap the arguments to unique_tracking_name()

diff --git a/refspec.c b/refspec.c
index c59a4ccf1e5d689b6f9cff00ee695a7ec4e40870..ada7854f7a6a55a783cf90574e1d759f5c3a661f 100644 (file)
--- a/refspec.c
+++ b/refspec.c
@@ -202,6 +202,8 @@ void refspec_ref_prefixes(const struct refspec *rs,
                const struct refspec_item *item = &rs->items[i];
                const char *prefix = NULL;
 
+               if (item->exact_sha1)
+                       continue;
                if (rs->fetch == REFSPEC_FETCH)
                        prefix = item->src;
                else if (item->dst)