volanta: add updateScript

pkgs/by-name/vo/volanta/package.nix

@@ -3,12 +3,16 @@
   fetchurl,
   lib,
   makeWrapper,
+  writeShellScript,
+  common-updater-scripts,
+  nix-update,
 }:
 let
   pname = "volanta";
   version = "1.12.0";
+  build = "0e24f0ee";
   src = fetchurl {
-    url = "https://cdn.volanta.app/software/volanta-app/${version}-0e24f0ee/volanta-${version}.AppImage";
+    url = "https://cdn.volanta.app/software/volanta-app/${version}-${build}/volanta-${version}.AppImage";
     hash = "sha256-PwBnKR0oFMJtyPxpgDGlSDmcxY9wxhp2Un6mkRJIlfI=";
   };
   appImageContents = appimageTools.extract { inherit pname version src; };
@@ -28,6 +32,18 @@ appimageTools.wrapType2 {
     wrapProgram $out/bin/volanta \
       --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}"
   '';
+
+  passthru = {
+    inherit src build;
+    updateScript = writeShellScript "update-volanta" ''
+      LATEST_YML=$(curl --fail --silent https://api.volanta.app/api/v1/ClientUpdate/latest-linux.yml)
+      VERSION=$(echo "$LATEST_YML" | grep -E '^version:' | awk '{print $2}')
+      BUILD=$(echo "$LATEST_YML" | grep -E 'url: .*/volanta-app/' | sed -E 's/.*volanta-app\/[0-9.]+-([0-9a-f]+)\/.*/\1/' | head -n1)
+      ${lib.getExe' common-updater-scripts "update-source-version"} volanta $BUILD --version-key=build || true
+      ${lib.getExe nix-update} volanta --version $VERSION
+    '';
+  };
+
   meta = {
     description = "Easy-to-use smart flight tracker that integrates all your flight data across all major flightsims";
     homepage = "https://volanta.app/";