$ git clone -n https://src.fedoraproject.org/rpms/python-argopt.git /var/lib/mock/f45-build-29400-637/root/chroot_tmpdir/scmroot/python-argopt
Cloning into '/var/lib/mock/f45-build-29400-637/root/chroot_tmpdir/scmroot/python-argopt'...
$ git fetch origin c18b7508b3c9b880f13df85c92bc1e43e6d377c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-argopt
 * [new ref]         c18b7508b3c9b880f13df85c92bc1e43e6d377c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c18b750 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild