$ git clone -n https://git.cclinux.org/stage/rpms/rng-tools.git /mnt/compose/mock/dist-circle8-build-108683-59661/root/chroot_tmpdir/scmroot/rng-tools
Cloning into '/mnt/compose/mock/dist-circle8-build-108683-59661/root/chroot_tmpdir/scmroot/rng-tools'...
$ git fetch origin 40122adc4c387448677069bd295b4e3f42230cb7:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/rng-tools
 * [new ref]         40122adc4c387448677069bd295b4e3f42230cb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40122ad import rng-tools-6.16-1.el8