lib: Improve the sandbox derivation

packages/default.nix

@@ -66,4 +66,6 @@ in {
   discord-app = prev.callPackage applications/networking/instant-messengers/discord-app {
     chromium = prev.ungoogled-chromium;
   };
+
+  zoom-vm = prev.callPackage scripts/zoom-vm {};
 }

packages/scripts/zoom-vm/default.nix

@@ -0,0 +1,46 @@
+{
+  stdenv, lib
+, makeDesktopItem, writeShellScriptBin
+, virt-manager, libvirt, notify-desktop
+}:
+
+let
+  zoomVmScript = writeShellScriptBin "start-zoom-vm.sh" ''
+    ${notify-desktop}/bin/notify-desktop "Zoom VM" "Starting VM..."
+    output=$(/run/wrappers/bin/pkexec virsh start zoom 2>&1)
+    if [[ ! "$?" = "0" ]]; then
+       ${notify-desktop}/bin/notify-desktop -u critical "Zoom VM" "$output"
+       exit 1
+    fi
+
+    ${virt-manager}/bin/virt-manager --connect qemu:///system --show-domain-console zoom
+  '';
+  zoomIcon = builtins.fetchurl {
+    url = "https://dl.flathub.org/repo/appstream/x86_64/icons/128x128/us.zoom.Zoom.png";
+    sha256 = "0d94vhjna2196s4wnq0vkga345ad5lpb7b5qp6cymwf1hnpg9lyh";
+  };
+in stdenv.mkDerivation rec {
+  pname = "zoom-vm";
+  version = "1.0.0";
+
+  unpackPhase = ":";
+  dontBuild = true;
+
+  desktopItem = makeDesktopItem {
+    name = "zoom-vm";
+    desktopName = "Zoom (VM)";
+    exec = "start-zoom-vm";
+    icon = "us.zoom.Zoom";
+  };
+  
+  installPhase = ''
+    # Install the script
+    mkdir -p $out/bin
+    cp ${zoomVmScript}/bin/start-zoom-vm.sh $out/bin/start-zoom-vm
+
+    # Install the desktop file
+    mkdir -p $out/share/icons
+    cp ${zoomIcon} $out/share/icons/us.zoom.Zoom.png
+    cp -r ${desktopItem}/share/applications $out/share
+  '';
+}