$ git clone -n https://git.cclinux.org/stage/rpms/tuna.git /var/lib/mock/dist-circle9-build-120298-84981/root/chroot_tmpdir/scmroot/tuna
Cloning into '/var/lib/mock/dist-circle9-build-120298-84981/root/chroot_tmpdir/scmroot/tuna'...
$ git fetch origin 3dcf65eae800c659203f4fbe321aeca7d272e719:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/tuna
 * [new ref]         3dcf65eae800c659203f4fbe321aeca7d272e719 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dcf65e import tuna-0.19-4.el9