betterlockscreen: add module (#2292)

.github/CODEOWNERS

@@ -214,6 +214,8 @@
 /modules/services/barrier.nix                         @Kritnich
 /tests/modules/services/barrier                       @Kritnich
 
+/modules/services/betterlockscreen.nix                @SebTM
+
 /modules/services/caffeine.nix                        @uvNikita
 
 /modules/services/cbatticon.nix                       @pmiddend

modules/misc/news.nix

@@ -2188,6 +2188,14 @@ in
           A new module is available: 'services.fnott'.
         '';
       }
+
+      {
+        time = "2021-08-31T18:44:26+00:00";
+        condition = hostPlatform.isLinux;
+        message = ''
+          A new module is available: 'services.betterlockscreen'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -148,6 +148,7 @@ let
     ./programs/zsh.nix
     ./programs/zsh/prezto.nix
     ./services/barrier.nix
+    ./services/betterlockscreen.nix
     ./services/blueman-applet.nix
     ./services/caffeine.nix
     ./services/cbatticon.nix

modules/services/betterlockscreen.nix

@@ -0,0 +1,50 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.services.betterlockscreen;
+
+in {
+  meta.maintainers = with maintainers; [ sebtm ];
+
+  options = {
+    services.betterlockscreen = {
+      enable = mkEnableOption "betterlockscreen, a screen-locker module";
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.betterlockscreen;
+        defaultText = literalExample "pkgs.betterlockscreen";
+        description = "Package providing <command>betterlockscreen</command>.";
+      };
+
+      arguments = mkOption {
+        type = types.listOf types.str;
+        default = [ ];
+        description =
+          "List of arguments appended to <literal>./betterlockscreen --lock [args]</literal>";
+      };
+
+      inactiveInterval = mkOption {
+        type = types.int;
+        default = 10;
+        description = ''
+          Value used for <option>services.screen-locker.inactiveInterval</option>.
+        '';
+      };
+
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    services.screen-locker = {
+      enable = true;
+      inactiveInterval = cfg.inactiveInterval;
+      lockCmd = "${cfg.package}/bin/betterlockscreen --lock ${
+          concatStringsSep " " cfg.arguments
+        }";
+    };
+  };
+}