NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST spidermonkey-1.5 i686-linux /nix/store/fpayhna76y8jfhp28s5qg3prjr3hxvc5-spidermonkey-1.5.drv /nix/store/xm5z7gqf1iq9h4mz520rgdcb94svihab-spidermonkey-1.5