NIXPKG1 http://releases.strategoxt.org/pgen-with-aterm64/pgen-2.8.1pre26912-hxp7db56/MANIFEST pgen-2.8.1pre26912 i686-darwin /nix/store/fiikdxxbakch93rmmg3l510zxx3yn6y0-pgen.drv /nix/store/1kwbjr5qlh0bh2862y4dqsx91k3fhj40-pgen