{ version }: with import ./config.nix; mkDerivation { name = "foo-${toString version}"; builder = builtins.toFile "builder.sh" '' mkdir $out (for ((n = 1; n < 100000; n++)); do echo $n; done) > $out/foo ${if version != 1 then '' (for ((n = 100000; n < 110000; n++)); do echo $n; done) >> $out/foo '' else ""} ${if version == 3 then '' echo foobar >> $out/foo '' else ""} ''; }