p7000: add test for filter-branch with --prune-empty

diff --git a/t/t1514-rev-parse-push.sh b/t/t1514-rev-parse-push.sh
index 7214f5b33fa41fbb685e572ca24a0cb11337d251..623a32aa6e323d11267cb89af62d42c325a4dd75 100755 (executable)
--- a/t/t1514-rev-parse-push.sh
+++ b/t/t1514-rev-parse-push.sh
@@ -60,4 +60,10 @@ test_expect_success '@{push} with push refspecs' '
        resolve topic@{push} refs/remotes/origin/magic/topic
 '
 
+test_expect_success 'resolving @{push} fails with a detached HEAD' '
+       git checkout HEAD^0 &&
+       test_when_finished "git checkout -" &&
+       test_must_fail git rev-parse @{push}
+'
+
 test_done