{stdenv, lib, fetchFromGitHub}: with builtins; listToAttrs (map (v: { inherit (v) name; value = fetchFromGitHub { name = "${v.name}-${v.version}"; owner = "DFgraphics"; repo = v.name; rev = v.version; sha256 = v.sha256; meta = with lib; { platforms = platforms.all; maintainers = [ maintainers.matthewbauer ]; license = licenses.free; }; }; }) (fromJSON (readFile ./themes.json)))