$ git clone -n https://gitee.com/src-opencloudos-rpms/mutter.git /var/lib/mock/dist-oc9-build-70855-47480/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-oc9-build-70855-47480/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mutter
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c31ec0 import mutter-44.3-3.tl4