{stdenv, lib, fetchurl, registryDat}: ver: deps: let cmds = lib.mapAttrsToList (name: info: let pkg = stdenv.mkDerivation { name = lib.replaceChars ["/"] ["-"] name + "-${info.version}"; src = fetchurl { url = "https://github.com/${name}/archive/${info.version}.tar.gz"; meta.homepage = "https://github.com/${name}/"; inherit (info) sha256; }; configurePhase = '' true ''; buildPhase = '' true ''; installPhase = '' mkdir -p $out cp -r * $out ''; }; in '' mkdir -p .elm/${ver}/packages/${name} cp -R ${pkg} .elm/${ver}/packages/${name}/${info.version} '') deps; in (lib.concatStrings cmds) + '' mkdir -p .elm/${ver}/packages; cp ${registryDat} .elm/${ver}/packages/registry.dat; chmod -R +w .elm ''