$ git clone -n https://src.fedoraproject.org/rpms/freecol.git /var/lib/mock/f45-build-9223-400/root/chroot_tmpdir/scmroot/freecol
Cloning into '/var/lib/mock/f45-build-9223-400/root/chroot_tmpdir/scmroot/freecol'...
$ git fetch origin 756401ea48232c17b614045e85dd91167b206de1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freecol
 * [new ref]         756401ea48232c17b614045e85dd91167b206de1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 756401e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild