t4045: abstract away SHA-1-specific constants

diff --git a/t/t6200-fmt-merge-msg.sh b/t/t6200-fmt-merge-msg.sh
index 2e2fb0e9572f3d570311470aebf47da37974b8f8..a54a52aaa4e680bdbc97750c4ae4855a45dcdb80 100755 (executable)
--- a/t/t6200-fmt-merge-msg.sh
+++ b/t/t6200-fmt-merge-msg.sh
@@ -512,7 +512,7 @@ test_expect_success 'merge-msg with "merging" an annotated tag' '
 
        test_when_finished "git reset --hard" &&
        annote=$(git rev-parse annote) &&
-       git merge --no-commit $annote &&
+       git merge --no-commit --no-ff $annote &&
        {
                cat <<-EOF
                Merge tag '\''$annote'\''