l 2: add screenlock

lass/2configs/screenlock.nix

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