$ git clone -n https://src.fedoraproject.org/rpms/python-multiaddr.git /var/lib/mock/f45-build-31594-654/root/chroot_tmpdir/scmroot/python-multiaddr
Cloning into '/var/lib/mock/f45-build-31594-654/root/chroot_tmpdir/scmroot/python-multiaddr'...
$ git fetch origin 2f2743511df6da0968cacc80fe9080431e565fbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-multiaddr
 * [new ref]         2f2743511df6da0968cacc80fe9080431e565fbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f27435 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild