Add module for tofi

modules/collection/programs/tofi.nix

@@ -0,0 +1,40 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.modules) mkIf;
+  inherit (lib.options) mkOption mkEnableOption mkPackageOption;
+  inherit (lib.generators) toKeyValue;
+  inherit (lib.rum.types) tofiSettingsType;
+
+  cfg = config.rum.programs.tofi;
+in {
+  options.rum.programs.tofi = {
+    enable = mkEnableOption "tofi";
+
+    package = mkPackageOption pkgs "tofi" {};
+
+    settings = mkOption {
+      type = tofiSettingsType;
+      default = {};
+      example = {
+        text-color = "#FFFFFF";
+        num-results = 0;
+        horizontal = false;
+      };
+      description = ''
+        The configuration converted into "key = value" and written to
+        `${config.directory}/.config/tofi/config`.
+        Please reference tofi(5) (manpage) at https://github.com/philj56/tofi/blob/master/doc/tofi.5.md,
+        or see an example at https://github.com/philj56/tofi/blob/master/doc/config.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    packages = [cfg.package];
+    files.".config/tofi/config".text = mkIf (cfg.settings != {}) (toKeyValue cfg.settings);
+  };
+}

modules/lib/types/default.nix

@@ -1,3 +1,4 @@
 {lib}: {
   gtkType = import ./gtkType.nix {inherit lib;};
+  tofiSettingsType = import ./tofiSettingsType.nix {inherit lib;};
 }

modules/lib/types/tofiSettingsType.nix

@@ -0,0 +1,11 @@
+{lib}: let
+  inherit (lib.types) attrsOf oneOf str path bool int float;
+in (
+  attrsOf (oneOf [
+    str
+    path
+    bool
+    int
+    float
+  ])
+)