$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-tabs.git /var/lib/mock/f45-build-33081-666/root/chroot_tmpdir/scmroot/python-sphinx-tabs
Cloning into '/var/lib/mock/f45-build-33081-666/root/chroot_tmpdir/scmroot/python-sphinx-tabs'...
$ git fetch origin ffac334667497a6e1cb71fb0b7b8e888a3b9bbe5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-tabs
 * [new ref]         ffac334667497a6e1cb71fb0b7b8e888a3b9bbe5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffac334 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild