sequencer: lib'ify checkout_fast_forward()

diff --git a/t/t6026-merge-attr.sh b/t/t6026-merge-attr.sh
index 3d28c786878b385a09c72ed23836a5e6e1fece78..dd8f88d18782f15e35aa3105668d9a713ba9fe3b 100755 (executable)
--- a/t/t6026-merge-attr.sh
+++ b/t/t6026-merge-attr.sh
@@ -181,7 +181,7 @@ test_expect_success 'up-to-date merge without common ancestor' '
        )
 '
 
-test_expect_success !MINGW 'custom merge does not lock index' '
+test_expect_success 'custom merge does not lock index' '
        git reset --hard anchor &&
        write_script sleep-one-second.sh <<-\EOF &&
                sleep 1 &