$ git clone -n https://src.fedoraproject.org/rpms/rubygem-mini_portile2.git /var/lib/mock/f45-build-35081-693/root/chroot_tmpdir/scmroot/rubygem-mini_portile2
Cloning into '/var/lib/mock/f45-build-35081-693/root/chroot_tmpdir/scmroot/rubygem-mini_portile2'...
$ git fetch origin 1fab266f11affd07dbc996178dd59c1fe65eed7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-mini_portile2
 * [new ref]         1fab266f11affd07dbc996178dd59c1fe65eed7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fab266 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild