$ git clone -n https://gitee.com/fundawang/mutter.git /var/lib/mock/dist-an23-build-242582-63097/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-an23-build-242582-63097/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard 8018a1cb1aa6e7463d1c2cc6900c8b5c63ca0c75
HEAD is now at 8018a1c add br