{ lib }:
let
  inherit (lib)
    filterAttrs
    trim
    splitString
    filter
    hasPrefix
    readFile
    mapAttrs'
    removeSuffix
    ;
  key-files = filterAttrs (name: _: name != "default.nix") (builtins.readDir ./.);
  readKeys =
    file:
    let
      lines = map trim (splitString "\n" (readFile file));
    in
    filter (line: line != "" && !hasPrefix "#" line) lines;
in
mapAttrs' (name: _: {
  name = removeSuffix ".keys" name;
  value = readKeys ./${name};
}) key-files