$ git clone -n https://src.fedoraproject.org/rpms/python-overpy.git /var/lib/mock/f45-build-31874-656/root/chroot_tmpdir/scmroot/python-overpy
Cloning into '/var/lib/mock/f45-build-31874-656/root/chroot_tmpdir/scmroot/python-overpy'...
$ git fetch origin 613acb8dad43ba349da098e052476cf50cf5103d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-overpy
 * [new ref]         613acb8dad43ba349da098e052476cf50cf5103d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 613acb8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild