$ git clone -n https://src.fedoraproject.org/rpms/plymouth-theme-breeze.git /var/lib/mock/f41-build-858128-168313/root/chroot_tmpdir/scmroot/plymouth-theme-breeze
Cloning into '/var/lib/mock/f41-build-858128-168313/root/chroot_tmpdir/scmroot/plymouth-theme-breeze'...
$ git fetch origin be316c30afd682d6e0b6ac5a7ce4e2d7efd7ef33:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plymouth-theme-breeze
 * [new ref]         be316c30afd682d6e0b6ac5a7ce4e2d7efd7ef33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be316c3 6.2.1