t5303: use printf to generate delta bases

diff --git a/t/t6009-rev-list-parent.sh b/t/t6009-rev-list-parent.sh
index 66cda17ef342a2791ce7bac873eecfd4cf319faf..916d9692bc05fdc87b28b7dbd4afdb173dd1d244 100755 (executable)
--- a/t/t6009-rev-list-parent.sh
+++ b/t/t6009-rev-list-parent.sh
@@ -31,8 +31,7 @@ test_expect_success setup '
 test_expect_success 'one is ancestor of others and should not be shown' '
 
        git rev-list one --not four >result &&
-       >expect &&
-       test_cmp expect result
+       test_must_be_empty result
 
 '
 
@@ -47,7 +46,9 @@ test_expect_success 'setup roots, merges and octopuses' '
        git checkout -b yetanotherbranch four &&
        test_commit eight &&
        git checkout master &&
-       test_merge normalmerge newroot &&
+       test_tick &&
+       git merge --allow-unrelated-histories -m normalmerge newroot &&
+       git tag normalmerge &&
        test_tick &&
        git merge -m tripus sidebranch anotherbranch &&
        git tag tripus &&
@@ -142,8 +143,7 @@ test_expect_success 'ancestors with the same commit time' '
                test_commit t$i
        done &&
        git rev-list t1^! --not t$i >result &&
-       >expect &&
-       test_cmp expect result
+       test_must_be_empty result
 '
 
 test_done