$ git clone -n https://src.fedoraproject.org/rpms/freecol.git /var/lib/mock/f41-build-side-1-2929979-35118/root/chroot_tmpdir/scmroot/freecol
Cloning into '/var/lib/mock/f41-build-side-1-2929979-35118/root/chroot_tmpdir/scmroot/freecol'...
$ git fetch origin 08ff0c047f7e899dc860180f04d58310b80ebe1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freecol
 * [new ref]         08ff0c047f7e899dc860180f04d58310b80ebe1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08ff0c0 New upstream release 1.2.0 (#2295854)