$ git clone -n https://src.fedoraproject.org/rpms/python-multi_key_dict.git /var/lib/mock/f40-build-2027691-47325/root/chroot_tmpdir/scmroot/python-multi_key_dict
Cloning into '/var/lib/mock/f40-build-2027691-47325/root/chroot_tmpdir/scmroot/python-multi_key_dict'...
$ git fetch origin b09bcff113140e14faa13f6d670c90cc098691f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-multi_key_dict
 * [new ref]         b09bcff113140e14faa13f6d670c90cc098691f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b09bcff Add missing BuildRequires: python3-setuptools