$ git clone -n https://git.cclinux.org/stage/rpms/mutter.git /var/lib/mock/dist-circle8_10-updates-build-126533-90546/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-126533-90546/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin cd813aece68e0f1decaa293e3427751a8ebb496c:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/mutter
 * [new ref]         cd813aece68e0f1decaa293e3427751a8ebb496c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd813ae import mutter-3.32.2-73.el8_10