append_one_rev(): rewrite to work with object_id

diff --git a/t/t3402-rebase-merge.sh b/t/t3402-rebase-merge.sh
index 5a27ec9b5eb7c37145a098d878432948233ba756..8f64505e4f94432de6cc287f4ab2f3129703536a 100755 (executable)
--- a/t/t3402-rebase-merge.sh
+++ b/t/t3402-rebase-merge.sh
@@ -47,7 +47,7 @@ test_expect_success setup '
 '
 
 test_expect_success 'reference merge' '
-       git merge -s recursive "reference merge" HEAD master
+       git merge -s recursive -m "reference merge" master
 '
 
 PRE_REBASE=$(git rev-parse test-rebase)