$ git clone -n https://src.fedoraproject.org/rpms/python-rpyc.git /var/lib/mock/f45-build-32834-664/root/chroot_tmpdir/scmroot/python-rpyc
Cloning into '/var/lib/mock/f45-build-32834-664/root/chroot_tmpdir/scmroot/python-rpyc'...
$ git fetch origin e867c86777928b815e081ecedad5ffd779c5546a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rpyc
 * [new ref]         e867c86777928b815e081ecedad5ffd779c5546a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e867c86 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild