rework thinkpad backup

hosts/thinkpad/default.nix

@@ -113,6 +113,7 @@
     devmon.enable = true; # automount stuff
     upower.enable = true;
     fwupd.enable = true; # firmware updates
+    avahi.enable = true;
     btrfs.autoScrub.enable = true;
     mullvad-vpn = {
       enable = true;

hosts/thinkpad/modules/backup/default.nix

@@ -32,9 +32,10 @@
         "/home/*/.wine*"
         "/home/*/.mypy_cache*"
         "/home/*/.local/share"
-        # contains very big files that don't need to clutter up the backup
+        "/home/rouven/Games"
-        # if I ever happen to have important data in virtual machines, this can be reconsidered
         "/var/lib/libvirt"
+        "/var/lib/machines"
+        "/var/lib/docker"
       ];
       encryption_passcommand = "${pkgs.coreutils}/bin/cat ${config.age.secrets."borg/passphrase".path}";
       compression = "lz4";

hosts/thinkpad/modules/sound/default.nix

@@ -2,9 +2,24 @@
 {
   services.pipewire = {
     enable = true;
+    raopOpenFirewall = true;
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
+    extraConfig.pipewire = {
+      "10-airplay" = {
+        "context.modules" = [
+          {
+            name = "libpipewire-module-raop-discover";
+
+            # increase the buffer size if you get dropouts/glitches
+            # args = {
+            #   "raop.latency.ms" = 500;
+            # };
+          }
+        ];
+      };
+    };
   };
   environment.systemPackages = with pkgs; [
     helvum