test_expect_success 'merge c0 with c1 (no-ff)' '
git reset --hard c0 &&
+ git config branch.master.mergeoptions "" &&
test_tick &&
git merge --no-ff c1 &&
verify_merge file result.1 &&
test_debug 'gitk --all'
+test_expect_success 'combining --squash and --no-ff is refused' '
+ test_must_fail git merge --squash --no-ff c1 &&
+ test_must_fail git merge --no-ff --squash c1
+'
+
test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
git reset --hard c0 &&
git config branch.master.mergeoptions "--no-ff" &&