$ git clone -n https://src.fedoraproject.org/rpms/python-railroad-diagrams.git /var/lib/mock/f39-build-1429828-31692/root/chroot_tmpdir/scmroot/python-railroad-diagrams
Cloning into '/var/lib/mock/f39-build-1429828-31692/root/chroot_tmpdir/scmroot/python-railroad-diagrams'...
$ git fetch origin 9f6dac93a82c5b562e6a63b5f6f85023684b8e08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-railroad-diagrams
 * [new ref]         9f6dac93a82c5b562e6a63b5f6f85023684b8e08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f6dac9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild