m 2 fetchWallpaper: default enabled for mainlaptop

makefu/2configs/fetchWallpaper.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+
+let
+  # check if laptop runs on umts
+  weaksauce-internet = with pkgs;writeScript "weaksauce-internet" ''
+    #! /bin/sh
+    if  ${iproute}/bin/ip addr show dev ppp0 2>/dev/null \
+      | ${gnugrep}/bin/grep -q inet;then
+      exit 1
+    fi
+  '';
+
+in {
+  krebs.fetchWallpaper = {
+    enable = true;
+    display = ":0";
+    predicate = weaksauce-internet;
+    timerConfig = {
+      OnCalendar = "*:0/30";
+    };
+    url = "http://echelon/wallpaper.png";
+  };
+}
+

makefu/2configs/main-laptop.nix

@@ -6,7 +6,10 @@
 
 with lib;
 {
-  imports = [ ./base-gui.nix ];
+  imports = [
+    ./base-gui.nix
+    ./fetchWallpaper.nix
+  ];
   environment.systemPackages = with pkgs;[
     vlc
     firefox