{
  description = "A flake that provides a set of useful helper functions";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = { self, nixpkgs }: rec {
    mkIfElse = with nixpkgs.lib; p: yes: no: mkMerge [
      (mkIf p yes)
      (mkIf (!p) no)
    ];

    mkSymlinkActivationScript = {target, source, isDir ? false}: ''
      if [ -e ${target} ]; then
        rm${if isDir then " -rf" else ""} ${target}
      fi
      ln -s ${source} ${target}
    '';

    attrByStrPath = strPath: set: nixpkgs.lib.attrByPath (nixpkgs.lib.strings.splitString "." strPath) null set;

    setAttrByStrPath = strPath: value: nixpkgs.lib.setAttrByPath (nixpkgs.lib.strings.splitString "." strPath) value;

    homeFilesFromStringAttrs = { dir, attrs, exec ? false }: map (x: (map (y: {
      "${dir}/${x}" = {
        text = y;
        executable = exec;
      };
    }) (builtins.attrValues attrs)) ) (builtins.attrNames attrs);
  };
}