$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxemoji.git /var/lib/mock/f45-build-33148-667/root/chroot_tmpdir/scmroot/python-sphinxemoji
Cloning into '/var/lib/mock/f45-build-33148-667/root/chroot_tmpdir/scmroot/python-sphinxemoji'...
$ git fetch origin b898d3faf0a31b2b16c7372b5ba136dec63371a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxemoji
 * [new ref]         b898d3faf0a31b2b16c7372b5ba136dec63371a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b898d3f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild