$ git clone -n https://gitee.com/src-opencloudos-rpms/mutter.git /var/lib/mock/dist-oc8-build-215164-80830/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-oc8-build-215164-80830/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin d81cb5f7b8a4510f9181efb73df4af506a589725:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mutter
 * [new ref]         d81cb5f7b8a4510f9181efb73df4af506a589725 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d81cb5f import mutter-3.32.2-74.tl3