test_debug 'git log --graph --decorate --oneline --all'
-test_expect_success 'unsuccesful merge of c1 with c2 (squash, ff-only)' '
+test_expect_success 'unsuccessful merge of c1 with c2 (squash, ff-only)' '
git reset --hard c1 &&
test_must_fail git merge --squash --ff-only c2
'
test_must_fail git merge --no-ff --squash c1
'
-test_expect_success 'combining --ff-only and --no-ff is refused' '
- test_must_fail git merge --ff-only --no-ff c1 &&
- test_must_fail git merge --no-ff --ff-only c1
+test_expect_success 'option --ff-only overwrites --no-ff' '
+ git merge --no-ff --ff-only c1 &&
+ test_must_fail git merge --no-ff --ff-only c2
+'
+
+test_expect_success 'option --no-ff overrides merge.ff=only config' '
+ git reset --hard c0 &&
+ test_config merge.ff only &&
+ git merge --no-ff c1
'
test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '