$ git clone -n https://src.fedoraproject.org/rpms/supervisor.git /var/lib/mock/f45-build-36689-707/root/chroot_tmpdir/scmroot/supervisor
Cloning into '/var/lib/mock/f45-build-36689-707/root/chroot_tmpdir/scmroot/supervisor'...
$ git fetch origin 570ff841e4bc63c0cd89f4536a6d5f297c728e66:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/supervisor
 * [new ref]         570ff841e4bc63c0cd89f4536a6d5f297c728e66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 570ff84 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild