$ git clone -n https://git.cclinux.org/stage/rpms/mutter.git /var/lib/mock/dist-circle8-build-110319-66511/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/dist-circle8-build-110319-66511/root/chroot_tmpdir/scmroot/mutter'...
$ git fetch origin 941b7a4fad73db59d58c9c35c2d0c88e659f2cb0:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/mutter
 * [new ref]         941b7a4fad73db59d58c9c35c2d0c88e659f2cb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 941b7a4 import mutter-3.32.2-71.el8