kanata: added update script darwinDriverVersion

pkgs/by-name/ka/kanata/package.nix

@@ -1,20 +1,24 @@
 {
   stdenv,
   lib,
+  gnused,
   apple-sdk_13,
   darwinMinVersionHook,
   rustPlatform,
   karabiner-dk,
   fetchFromGitHub,
   versionCheckHook,
-  nix-update-script,
+  common-updater-scripts,
+  yq,
+  curl,
+  jq,
+  writeShellApplication,
   writeShellScriptBin,
   withCmd ? false,
 }:
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "kanata";
   version = "1.9.0";
-  darwinDriverVersion = "5.0.0"; # needs to be updated if karabiner-driverkit changes
 
   src = fetchFromGitHub {
     owner = "jtroo";
@@ -48,12 +52,26 @@ rustPlatform.buildRustPackage (finalAttrs: {
   ];
 
   passthru = {
-    updateScript = nix-update-script { };
-    darwinDriver = lib.optional stdenv.hostPlatform.isDarwin (
-      karabiner-dk.override {
-        driver-version = finalAttrs.darwinDriverVersion;
-      }
-    );
+    darwinDriverVersion = "5.0.0"; # needs to be updated if karabiner-driverkit changes
+    updateScript = lib.getExe (writeShellApplication {
+      name = "update-script-kanata";
+      runtimeInputs = [
+        curl
+        gnused
+        yq
+        jq
+        common-updater-scripts
+      ];
+      text = builtins.readFile ./update.sh;
+    });
+
+    darwinDriver =
+      if stdenv.hostPlatform.isDarwin then
+        (karabiner-dk.override {
+          driver-version = finalAttrs.passthru.darwinDriverVersion;
+        })
+      else
+        null;
   };
 
   meta = with lib; {

pkgs/by-name/ka/kanata/update.sh

@@ -0,0 +1,8 @@
+NEW_VERSION="$(curl --silent https://api.github.com/repos/jtroo/kanata/releases/latest  ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""}  | jq '.tag_name | ltrimstr("v")' --raw-output)"
+update-source-version "kanata" "$NEW_VERSION" --ignore-same-version
+karabinerDriverCrateVersion="$(curl -L "https://raw.githubusercontent.com/jtroo/kanata/refs/tags/v$NEW_VERSION/Cargo.lock" | tomlq | jq --raw-output '.package[] | select(.name |  test("karabiner-driverkit")) |.version')"
+newKarabinerDkVersion="$(curl -L "https://crates.io/api/v1/crates/karabiner-driverkit/$karabinerDriverCrateVersion/download" | tar xzvf - --strip-components=1 -O "karabiner-driverkit-$karabinerDriverCrateVersion/c_src/Karabiner-DriverKit-VirtualHIDDevice/version.json" | jq --raw-output0 .package_version)"
+importTree="(let tree = import ./.; in if builtins.isFunction tree then tree {} else tree)"
+oldDarwinVersion=$(nix-instantiate --eval -E "with $importTree; kanata.passthru.darwinDriverVersion" | tr -d '"')
+nixFile=$(nix-instantiate --eval --strict -A "kanata.meta.position" | sed -re 's/^"(.*):[0-9]+"$/\1/')
+sed -i "$nixFile" -re "s|\"$oldDarwinVersion\"|\"$newKarabinerDkVersion\"|"