$ git clone -n https://src.fedoraproject.org/rpms/python-epc.git /var/lib/mock/f45-build-30563-646/root/chroot_tmpdir/scmroot/python-epc
Cloning into '/var/lib/mock/f45-build-30563-646/root/chroot_tmpdir/scmroot/python-epc'...
$ git fetch origin cf88cf7e48236d19065695e06eb213925f97a831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-epc
 * [new ref]         cf88cf7e48236d19065695e06eb213925f97a831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf88cf7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild