test_must_fail git merge --no-ff --squash c1
'
+test_expect_success 'combining --squash and --commit is refused' '
+ git reset --hard c0 &&
+ test_must_fail git merge --squash --commit c1 &&
+ test_must_fail git merge --commit --squash 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
verify_parents $c0 $c1
'
+test_expect_success 'merge --quit' '
+ git init merge-quit &&
+ (
+ cd merge-quit &&
+ test_commit base &&
+ echo one >>base.t &&
+ git commit -am one &&
+ git branch one &&
+ git checkout base &&
+ echo two >>base.t &&
+ git commit -am two &&
+ test_must_fail git -c rerere.enabled=true merge one &&
+ test_path_is_file .git/MERGE_HEAD &&
+ test_path_is_file .git/MERGE_MODE &&
+ test_path_is_file .git/MERGE_MSG &&
+ git rerere status >rerere.before &&
+ git merge --quit &&
+ test_path_is_missing .git/MERGE_HEAD &&
+ test_path_is_missing .git/MERGE_MODE &&
+ test_path_is_missing .git/MERGE_MSG &&
+ git rerere status >rerere.after &&
+ test_must_be_empty rerere.after &&
+ ! test_cmp rerere.after rerere.before
+ )
+'
+
+test_expect_success 'merge suggests matching remote refname' '
+ git commit --allow-empty -m not-local &&
+ git update-ref refs/remotes/origin/not-local HEAD &&
+ git reset --hard HEAD^ &&
+
+ # This is white-box testing hackery; we happen to know
+ # that reading packed refs is more picky about the memory
+ # ownership of strings we pass to for_each_ref() callbacks.
+ git pack-refs --all --prune &&
+
+ test_must_fail git merge not-local 2>stderr &&
+ grep origin/not-local stderr
+'
+
+test_expect_success 'suggested names are not ambiguous' '
+ git update-ref refs/heads/origin/not-local HEAD &&
+ test_must_fail git merge not-local 2>stderr &&
+ grep remotes/origin/not-local stderr
+'
+
test_done