$ git clone -n https://src.fedoraproject.org/rpms/widelands.git /var/lib/mock/f41-build-846695-163186/root/chroot_tmpdir/scmroot/widelands
Cloning into '/var/lib/mock/f41-build-846695-163186/root/chroot_tmpdir/scmroot/widelands'...
$ git fetch origin cd42f5b5cc7f4444dae9e9b71f8f313fe239822c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/widelands
 * [new ref]         cd42f5b5cc7f4444dae9e9b71f8f313fe239822c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd42f5b New upstream release 1.2 (rhbz#2271240)