$ git clone -n https://src.fedoraproject.org/rpms/python-pid.git /var/lib/mock/f45-build-31921-656/root/chroot_tmpdir/scmroot/python-pid
Cloning into '/var/lib/mock/f45-build-31921-656/root/chroot_tmpdir/scmroot/python-pid'...
$ git fetch origin 55c3aad4b0da64764d510fc0d218ddee878f0453:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pid
 * [new ref]         55c3aad4b0da64764d510fc0d218ddee878f0453 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55c3aad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild