$ git clone -n https://src.fedoraproject.org/rpms/python-fluidity-sm.git /var/lib/mock/f45-build-30760-647/root/chroot_tmpdir/scmroot/python-fluidity-sm
Cloning into '/var/lib/mock/f45-build-30760-647/root/chroot_tmpdir/scmroot/python-fluidity-sm'...
$ git fetch origin f45c1ada1f9a4e3499b43b4e3827a6af0418614e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fluidity-sm
 * [new ref]         f45c1ada1f9a4e3499b43b4e3827a6af0418614e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f45c1ad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild