$ git clone -n https://src.fedoraproject.org/rpms/plasma-firewall.git /var/lib/mock/f38-build-side-42-init-devel-628718-26371/root/chroot_tmpdir/scmroot/plasma-firewall
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-628718-26371/root/chroot_tmpdir/scmroot/plasma-firewall'...
$ git fetch origin f8ed9296f5335ee3a856927467e549f5990a1f9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-firewall
 * [new ref]         f8ed9296f5335ee3a856927467e549f5990a1f9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8ed929 5.27.4