$ git clone -n https://src.fedoraproject.org/rpms/python-rnc2rng.git /var/lib/mock/f39-build-1444057-32599/root/chroot_tmpdir/scmroot/python-rnc2rng
Cloning into '/var/lib/mock/f39-build-1444057-32599/root/chroot_tmpdir/scmroot/python-rnc2rng'...
$ git fetch origin 903d789c9550877fb523f9d6305140f5cc410fa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rnc2rng
 * [new ref]         903d789c9550877fb523f9d6305140f5cc410fa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 903d789 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild