Upgrade builder scripts to Dart 3.10.1

.github/workflows/builder.yaml

@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         sdk:
-          - 3.1.0
+          - 3.10.1
         os:
           - ubuntu-latest
     steps:

builder/bin/find_base_commit.dart

@@ -15,16 +15,24 @@ import 'package:glob/glob.dart';
 
 void main(List<String> args) async {
   final parser = ArgParser();
-  parser.addMultiOption('builder',
-      abbr: 'b',
-      help: 'Select the builders matching the glob [option is repeatable]',
-      splitCommas: false);
-  parser.addOption('branch',
-      abbr: 'B',
-      help: 'Select the builders building this branch',
-      defaultsTo: 'main');
-  parser.addOption('count',
-      abbr: 'c', help: 'List this many commits', defaultsTo: '1');
+  parser.addMultiOption(
+    'builder',
+    abbr: 'b',
+    help: 'Select the builders matching the glob [option is repeatable]',
+    splitCommas: false,
+  );
+  parser.addOption(
+    'branch',
+    abbr: 'B',
+    help: 'Select the builders building this branch',
+    defaultsTo: 'main',
+  );
+  parser.addOption(
+    'count',
+    abbr: 'c',
+    help: 'List this many commits',
+    defaultsTo: '1',
+  );
   parser.addFlag('help', help: 'Show the program usage.', negatable: false);
 
   final options = parser.parse(args);
@@ -41,21 +49,24 @@ ${parser.usage}''');
 
   int count = int.parse(options['count']);
   final globs = List<Glob>.from(
-      options['builder'].map((String pattern) => Glob(pattern)));
+    options['builder'].map((String pattern) => Glob(pattern)),
+  );
 
   // Download the most recent builds from buildbucket.
   const maxBuilds = 1000;
-  final url = Uri.parse('https://cr-buildbucket.appspot.com'
-      '/prpc/buildbucket.v2.Builds/SearchBuilds');
+  final url = Uri.parse(
+    'https://cr-buildbucket.appspot.com'
+    '/prpc/buildbucket.v2.Builds/SearchBuilds',
+  );
   const maxRetries = 3;
   const timeout = Duration(seconds: 30);
   final query = jsonEncode({
     'predicate': {
       'builder': {'project': 'dart', 'bucket': 'ci.sandbox'},
-      'status': 'ENDED_MASK'
+      'status': 'ENDED_MASK',
     },
     'pageSize': maxBuilds,
-    'fields': 'builds.*.builder.builder,builds.*.input'
+    'fields': 'builds.*.builder.builder,builds.*.input',
   });
   late Map<String, dynamic> searchResult;
   for (int i = 1; i <= maxRetries; i++) {
@@ -67,16 +78,21 @@ ${parser.usage}''');
         ..write(query);
       final response = await request.close().timeout(timeout);
       if (response.statusCode != 200) {
-        print('Failed to search for builds: '
-            '${response.statusCode}:${response.reasonPhrase}');
+        print(
+          'Failed to search for builds: '
+          '${response.statusCode}:${response.reasonPhrase}',
+        );
         exit(1);
       }
       const prefix = ")]}'";
       searchResult = await (response
           .cast<List<int>>()
           .transform(Utf8Decoder())
-          .map((event) =>
-              event.startsWith(prefix) ? event.substring(prefix.length) : event)
+          .map(
+            (event) => event.startsWith(prefix)
+                ? event.substring(prefix.length)
+                : event,
+          )
           .transform(JsonDecoder())
           .cast<Map<String, dynamic>>()
           .first
@@ -86,7 +102,8 @@ ${parser.usage}''');
     } on TimeoutException catch (e) {
       final inSeconds = e.duration?.inSeconds;
       stderr.writeln(
-          'Attempt $i of $maxRetries timed out after $inSeconds seconds');
+        'Attempt $i of $maxRetries timed out after $inSeconds seconds',
+      );
       if (i == maxRetries) {
         stderr.writeln('error: Failed to download $url');
         exit(1);
@@ -131,8 +148,10 @@ ${parser.usage}''');
       continue;
     }
     final commit = input['id'] as String;
-    final buildersForCommit =
-        buildersForCommits.putIfAbsent(commit, () => <String>{});
+    final buildersForCommit = buildersForCommits.putIfAbsent(
+      commit,
+      () => <String>{},
+    );
     buildersForCommit.add(builder);
   }
 
@@ -148,9 +167,10 @@ ${parser.usage}''');
   }
 
   // List commits run on the most builders.
-  for (final commit in buildersForCommits.keys
-      .where((commit) => buildersForCommits[commit]!.length == maxBots)
-      .take(count)) {
+  for (final commit
+      in buildersForCommits.keys
+          .where((commit) => buildersForCommits[commit]!.length == maxBots)
+          .take(count)) {
     print(commit);
   }
 }

builder/bin/upload_results_to_database.dart

@@ -15,18 +15,20 @@ import 'package:http/http.dart' as http;
 late BuildInfo buildInfo;
 
 Future<List<Map<String, dynamic>>> readChangedResults(File resultsFile) async {
-  final lines = (await resultsFile.readAsLines())
-      .map((line) => jsonDecode(line)! as Map<String, dynamic>);
+  final lines = (await resultsFile.readAsLines()).map(
+    (line) => jsonDecode(line)! as Map<String, dynamic>,
+  );
   if (lines.isEmpty) {
     print('Empty input results.json file');
     exit(1);
   }
-  buildInfo = BuildInfo.fromResult(
-      lines.first, {for (final line in lines) line[fConfiguration]});
+  buildInfo = BuildInfo.fromResult(lines.first, {
+    for (final line in lines) line[fConfiguration],
+  });
   return lines.where(isChangedResult).toList();
 }
 
-File fileOption(options, String name) {
+File fileOption(ArgResults options, String name) {
   final path = options[name];
   if (path == null) {
     print("Required option '$name'!");
@@ -40,37 +42,50 @@ File fileOption(options, String name) {
   return file;
 }
 
-Future<BuildStatus> processResults(options, client, firestore) async {
+Future<BuildStatus> processResults(
+  ArgResults options,
+  http.Client client,
+  FirestoreService firestore,
+) async {
   final inputFile = fileOption(options, 'results');
   final results = await readChangedResults(inputFile);
   final String? buildbucketID = options['buildbucket_id'];
   final String? baseRevision = options['base_revision'];
   final commitCache = CommitsCache(firestore, client);
   if (buildInfo is TryBuildInfo) {
-    return Tryjob(buildInfo as TryBuildInfo, buildbucketID!, baseRevision!,
-            commitCache, firestore, client)
-        .process(results);
+    return Tryjob(
+      buildInfo as TryBuildInfo,
+      buildbucketID!,
+      baseRevision!,
+      commitCache,
+      firestore,
+      client,
+    ).process(results);
   } else {
     return Build(buildInfo, commitCache, firestore).process(results);
   }
 }
 
 void main(List<String> arguments) async {
-  final options = (ArgParser()
-        ..addOption('project',
-            abbr: 'p',
-            defaultsTo: 'dart-ci-staging',
-            allowed: ['dart-ci-staging', 'dart-ci'])
-        ..addOption('results', abbr: 'r')
-        ..addOption('buildbucket_id', abbr: 'i')
-        ..addOption('base_revision', abbr: 'b')
-        ..addOption('status_file'))
-      .parse(arguments);
+  final options =
+      (ArgParser()
+            ..addOption(
+              'project',
+              abbr: 'p',
+              defaultsTo: 'dart-ci-staging',
+              allowed: ['dart-ci-staging', 'dart-ci'],
+            )
+            ..addOption('results', abbr: 'r')
+            ..addOption('buildbucket_id', abbr: 'i')
+            ..addOption('base_revision', abbr: 'b')
+            ..addOption('status_file'))
+          .parse(arguments);
 
   final baseClient = http.Client();
   final client = await clientViaApplicationDefaultCredentials(
-      scopes: ['https://www.googleapis.com/auth/cloud-platform'],
-      baseClient: baseClient);
+    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
+    baseClient: baseClient,
+  );
   final api = FirestoreApi(client);
   final firestore = FirestoreService(api, client, project: options['project']);