$ git clone -n https://gitee.com/src-opencloudos-rpms/mutter.git /var/lib/mock/dist-oc8-build-242112-82956/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-oc8-build-242112-82956/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin 47dfa3608c2ebe2fab6e28df56e657ec4081a3f7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mutter
 * [new ref]         47dfa3608c2ebe2fab6e28df56e657ec4081a3f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47dfa36 import mutter-3.32.2-75.tl3