$ git clone -n https://gitee.com/wanghuan158/mutter.git /var/lib/mock/dist-an23.2-build-429634-73034/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-an23.2-build-429634-73034/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin 09c26a355548d96f08b3580c0f5795f37a889391:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/mutter
 * [new ref]         09c26a355548d96f08b3580c0f5795f37a889391 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09c26a3 update mutter.spec.