revision: implement sparse algorithm

diff --git a/t/t7505-prepare-commit-msg-hook.sh b/t/t7505-prepare-commit-msg-hook.sh
index 1f43b3cd4cd34ec6f4c3de4cfe8a26291e4e480f..ebfcad9c4c7d3c6766907d76c5e0c794a0720e1c 100755 (executable)
--- a/t/t7505-prepare-commit-msg-hook.sh
+++ b/t/t7505-prepare-commit-msg-hook.sh
@@ -253,7 +253,7 @@ test_rebase () {
 }
 
 test_rebase success -i
-test_rebase success -p
+test_have_prereq !REBASE_P || test_rebase success -p
 
 test_expect_success 'with hook (cherry-pick)' '
        test_when_finished "git checkout -f master" &&