chore: add post-checkout lefthook

lefthook.yml

@@ -13,3 +13,11 @@ pre-push:
   commands:
     require-latest-main:
       run: uv run scripts/check_branch_up_to_date.py
+
+post-checkout:
+  commands:
+    private-skills-sync:
+      run: uvx --from git+https://github.com/existedinnettw/inkr-harness-tools.git inkr-skill-sync .local .agents --recursive
+      continue: true #ignore fail
+    pub-get-on-pubspec-change:
+      run: dart tool/pub_get_on_pubspec_change.dart {1} {2} {3}

tool/pub_get_on_pubspec_change.dart

@@ -0,0 +1,57 @@
+import 'dart:io';
+
+Future<void> main(List<String> args) async {
+  if (args.length != 3) {
+    stderr.writeln(
+      'Usage: dart tool/pub_get_on_pubspec_change.dart '
+      '<previous-head> <new-head> <checkout-flag>',
+    );
+    exitCode = 64;
+    return;
+  }
+
+  final [previousHead, newHead, checkoutFlag] = args;
+  if (checkoutFlag != '1') {
+    return;
+  }
+
+  if (!await _isCommit(previousHead) || !await _isCommit(newHead)) {
+    return;
+  }
+
+  final diff = await Process.run('git', [
+    'diff',
+    '--quiet',
+    previousHead,
+    newHead,
+    '--',
+    'pubspec.yaml',
+  ]);
+
+  switch (diff.exitCode) {
+    case 0:
+      return;
+    case 1:
+      break;
+    default:
+      stderr.write(diff.stderr);
+      exitCode = diff.exitCode;
+      return;
+  }
+
+  final pubGet = await Process.start('dart', ['pub', 'get']);
+  await stdout.addStream(pubGet.stdout);
+  await stderr.addStream(pubGet.stderr);
+  exitCode = await pubGet.exitCode;
+}
+
+Future<bool> _isCommit(String revision) async {
+  final result = await Process.run('git', [
+    'rev-parse',
+    '--verify',
+    '--quiet',
+    '$revision^{commit}',
+  ]);
+
+  return result.exitCode == 0;
+}