l: make screenlock configureable

lass/1systems/helios/config.nix

@@ -115,4 +115,6 @@ with import <stockholm/lib>;
    (pkgs.fetchurl { url = "http://pki.dcso.de/ca/PEM/DCSOCAIDENC2G1.pem"; sha256 = "1z2qkyhgjvri13bvi06ynkb7mjmpcznmc9yw8chx1lnwc3cxa7kf"; })
    (pkgs.fetchurl { url = "http://pki.dcso.de/ca/PEM/DCSOCAIDENC3G1.pem"; sha256 = "0smdjjvz95n652cb45yhzdb2lr83zg52najgbzf6lm3w71f8mv7f"; })
   ];
+
+  lass.screenlock.command = "${pkgs.i3lock}/bin/i3lock -i /home/lass/lock.png -t -f";
 }

lass/2configs/baseX.nix

@@ -6,7 +6,6 @@ in {
   imports = [
     ./mpv.nix
     ./power-action.nix
-    ./screenlock.nix
     ./copyq.nix
     ./xresources.nix
     ./livestream.nix
@@ -136,4 +135,5 @@ in {
   };
 
   services.urxvtd.enable = true;
+  lass.screenlock.enable = true;
 }

lass/2configs/screenlock.nix

@@ -1,17 +0,0 @@
-{ pkgs, config, ... }:
-
-{
-  systemd.services.screenlock = {
-    before = [ "sleep.target" ];
-    wantedBy = [ "sleep.target" ];
-    environment = {
-      DISPLAY = ":0";
-    };
-    serviceConfig = {
-      SyslogIdentifier = "screenlock";
-      ExecStart = "${pkgs.i3lock}/bin/i3lock -i /var/lib/wallpaper/wallpaper -f";
-      Type = "forking";
-      User = "lass";
-    };
-  };
-}

lass/3modules/default.nix

@@ -8,6 +8,7 @@ _:
     ./mysql-backup.nix
     ./news.nix
     ./pyload.nix
+    ./screenlock.nix
     ./umts.nix
     ./usershadow.nix
     ./xresources.nix

lass/3modules/screenlock.nix

@@ -0,0 +1,37 @@
+{ pkgs, config, ... }:
+
+with import <stockholm/lib>;
+
+let
+  cfg = config.lass.screenlock;
+
+  out = {
+    options.lass.screenlock = api;
+    config = mkIf cfg.enable imp;
+  };
+
+  api = {
+    enable = mkEnableOption "news";
+    command = mkOption {
+      type = types.str;
+      default = "${pkgs.i3lock}/bin/i3lock -i /var/lib/wallpaper/wallpaper -f";
+    };
+  };
+
+  imp = {
+    systemd.services.screenlock = {
+      before = [ "sleep.target" ];
+      wantedBy = [ "sleep.target" ];
+      environment = {
+        DISPLAY = ":0";
+      };
+      serviceConfig = {
+        SyslogIdentifier = "screenlock";
+        ExecStart = cfg.command;
+        Type = "forking";
+        User = "lass";
+      };
+    };
+  };
+
+in out

lass/5pkgs/xmonad-lass.nix

@@ -97,7 +97,7 @@ displaySomeException = displayException
 
 myKeyMap :: [([Char], X ())]
 myKeyMap =
-    [ ("M4-<F11>", spawn "${pkgs.i3lock}/bin/i3lock -i /var/lib/wallpaper/wallpaper -f")
+    [ ("M4-<F11>", spawn "${config.lass.screenlock.command}")
     , ("M4-C-p", spawn "${pkgs.scrot}/bin/scrot ~/public_html/scrot.png")
     , ("M4-p", spawn "${pkgs.pass}/bin/passmenu --type")
     , ("M4-o", spawn "${pkgs.brain}/bin/brainmenu --type")