symbolic-ref: propagate error code from create_symref()

diff --git a/t/t1401-symbolic-ref.sh b/t/t1401-symbolic-ref.sh
index 36378b0e3f5b271388fd0935149eea406caea0d0..e9219a930334847493933cc2f9e5c251c514fabf 100755 (executable)
--- a/t/t1401-symbolic-ref.sh
+++ b/t/t1401-symbolic-ref.sh
@@ -63,4 +63,10 @@ test_expect_success 'symbolic-ref fails to delete real ref' '
 '
 reset_to_sane
 
+test_expect_success 'symbolic-ref reports failure in exit code' '
+       test_when_finished "rm -f .git/HEAD.lock" &&
+       >.git/HEAD.lock &&
+       test_must_fail git symbolic-ref HEAD refs/heads/whatever
+'
+
 test_done