get_ref_dir(): return early if directory cannot be read

diff --git a/t/t5515/fetch.br-config-explicit-merge b/t/t5515/fetch.br-config-explicit-merge
index f6475b717a0d42a8944ab1a9593fe226a519c7a5..5ce764a06e421e0134b0f6710863d34e565ffb94 100644 (file)
--- a/t/t5515/fetch.br-config-explicit-merge
+++ b/t/t5515/fetch.br-config-explicit-merge
@@ -1,8 +1,8 @@
 # br-config-explicit-merge
+0567da4d5edd2ff4bb292a465ba9e64dcad9536b               branch 'three' of ../
 754b754407bf032e9a2f9d5a9ad05ca79a6b228f       not-for-merge   branch 'master' of ../
 8e32a6d901327a23ef831511badce7bf3bf46689       not-for-merge   branch 'one' of ../
 6134ee8f857693b96ff1cc98d3e2fd62b199e5a8       not-for-merge   branch 'two' of ../
-0567da4d5edd2ff4bb292a465ba9e64dcad9536b               branch 'three' of ../
 6c9dec2b923228c9ff994c6cfe4ae16c12408dc5       not-for-merge   tag 'tag-master' of ../
 8e32a6d901327a23ef831511badce7bf3bf46689       not-for-merge   tag 'tag-one' of ../
 22feea448b023a2d864ef94b013735af34d238ba       not-for-merge   tag 'tag-one-tree' of ../