test_must_fail git branch --set-upstream-to HEAD^{}
'
+test_expect_success '--set-upstream-to fails on locked config' '
+ test_when_finished "rm -f .git/config.lock" &&
+ >.git/config.lock &&
+ git branch locked &&
+ test_must_fail git branch --set-upstream-to locked
+'
+
test_expect_success 'use --set-upstream-to modify HEAD' '
test_config branch.master.remote foo &&
test_config branch.master.merge foo &&
test_must_fail git branch --unset-upstream i-dont-exist
'
+test_expect_success '--unset-upstream should fail if config is locked' '
+ test_when_finished "rm -f .git/config.lock" &&
+ git branch --set-upstream-to locked &&
+ >.git/config.lock &&
+ test_must_fail git branch --unset-upstream
+'
+
test_expect_success 'test --unset-upstream on HEAD' '
git branch my14 &&
test_config branch.master.remote foo &&
git config remote.ambi1.fetch refs/heads/lalala:refs/heads/master &&
git config remote.ambi2.url lilili &&
git config remote.ambi2.fetch refs/heads/lilili:refs/heads/master &&
- git branch all1 master &&
+ test_must_fail git branch all1 master &&
test -z "$(git config branch.all1.merge)"
'