$ git clone -n https://src.fedoraproject.org/rpms/zam-plugins.git /var/lib/mock/f41-build-857594-168142/root/chroot_tmpdir/scmroot/zam-plugins
Cloning into '/var/lib/mock/f41-build-857594-168142/root/chroot_tmpdir/scmroot/zam-plugins'...
$ git fetch origin 8fc73a7792c0c2f21f71c75a5d3dc5b14b231a2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zam-plugins
 * [new ref]         8fc73a7792c0c2f21f71c75a5d3dc5b14b231a2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fc73a7 Version 4.3