feat(headless): add headless module

home/headless/home.nix

@@ -0,0 +1,24 @@
+{ pkgs
+, lib
+, config
+, ... }: with lib; let
+  cfg = config.passthrough.headless;
+in mkIf (cfg.enable != null) {
+  wayland.windowManager.sway.config = {
+    output = {
+      ${cfg.enable}.pos = "0 0";
+      HEADLESS-1 = cfg.output;
+    };
+
+    startup = [ { command = "swaymsg create_output && swaymsg output HEADLESS-1 disable"; } ];
+  };
+
+  home.packages = [ (pkgs.writeShellScriptBin "headless" ''
+    swaymsg output HEADLESS-1 enable
+    ${pkgs.wayvnc}/bin/wayvnc \
+      --output=HEADLESS-1 \
+      ${cfg.extraArgs} \
+      ${cfg.host} ${toString cfg.port}
+    swaymsg output HEADLESS-1 disable
+  '') ];
+}