$ git clone -n https://gitee.com/winterddd/lldb.git /var/lib/mock/dist-an23-build-481304-74252/root/chroot_tmpdir/scmroot/lldb
Cloning into '/var/lib/mock/dist-an23-build-481304-74252/root/chroot_tmpdir/scmroot/lldb'...
$ git fetch origin 030feeb8687c8efa8ad5910c98f7bb95432e9141:KOJI_FETCH_HEAD
From https://gitee.com/winterddd/lldb
 * [new ref]         030feeb8687c8efa8ad5910c98f7bb95432e9141 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 030feeb drop error flags