$ git clone -n https://src.fedoraproject.org/rpms/python-plugincode.git /var/lib/mock/f45-build-32015-656/root/chroot_tmpdir/scmroot/python-plugincode
Cloning into '/var/lib/mock/f45-build-32015-656/root/chroot_tmpdir/scmroot/python-plugincode'...
$ git fetch origin 296dbc4712ae412b1c80ebbc00be3c194d7488d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-plugincode
 * [new ref]         296dbc4712ae412b1c80ebbc00be3c194d7488d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 296dbc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild