dependabot command update

script/tool/lib/src/dependabot_check_command.dart

@@ -56,10 +56,20 @@ class DependabotCheckCommand extends PackageLoopingCommand {
 
     const String typeKey = 'package-ecosystem';
     const String dirKey = 'directory';
-    _gradleDirs = entries
+    const String dirsKey = 'directories';
+    final Iterable<YamlMap> gradleEntries = entries
         .cast<YamlMap>()
-        .where((YamlMap entry) => entry[typeKey] == 'gradle')
-        .map((YamlMap entry) => entry[dirKey] as String)
+        .where((YamlMap entry) => entry[typeKey] == 'gradle');
+    final Iterable<String?> directoryEntries =
+        gradleEntries.map((YamlMap entry) => entry[dirKey] as String?);
+    final Iterable<String?> directoriesEntries = gradleEntries
+        .map((YamlMap entry) => entry[dirsKey] as YamlList?)
+        .expand((YamlList? list) => list?.nodes ?? <String>[])
+        .cast<YamlScalar>()
+        .map((YamlScalar entry) => entry.value as String);
+    _gradleDirs = directoryEntries
+        .followedBy(directoriesEntries)
+        .whereType<String>()
         .toSet();
   }
 

script/tool/test/dependabot_check_command_test.dart

@@ -38,21 +38,32 @@ void main() {
 
   void setDependabotCoverage({
     Iterable<String> gradleDirs = const <String>[],
+    bool useDirectoriesKey = false,
   }) {
-    final Iterable<String> gradleEntries =
-        gradleDirs.map((String directory) => '''
+    final String gradleEntries;
+    if (useDirectoriesKey) {
+      gradleEntries = '''
+  - package-ecosystem: "gradle"
+    directories:
+${gradleDirs.map((String directory) => '      - /$directory').join('\n')}
+    schedule:
+      interval: "daily"
+''';
+    } else {
+      gradleEntries = gradleDirs.map((String directory) => '''
   - package-ecosystem: "gradle"
     directory: "/$directory"
     schedule:
       interval: "daily"
-''');
+''').join('\n');
+    }
     final File configFile =
         root.childDirectory('.github').childFile('dependabot.yml');
     configFile.createSync(recursive: true);
     configFile.writeAsStringSync('''
 version: 2
 updates:
-${gradleEntries.join('\n')}
+$gradleEntries
 ''');
   }
 
@@ -121,7 +132,7 @@ ${gradleEntries.join('\n')}
         ]));
   });
 
-  test('passes for correct Gradle coverage', () async {
+  test('passes for correct Gradle coverage with single directory', () async {
     setDependabotCoverage(gradleDirs: <String>[
       'packages/a_plugin/android',
       'packages/a_plugin/example/android/app',
@@ -142,4 +153,30 @@ ${gradleEntries.join('\n')}
     expect(output,
         containsAllInOrder(<Matcher>[contains('Ran for 2 package(s)')]));
   });
+
+  test('passes for correct Gradle coverage with multiple directories',
+      () async {
+    setDependabotCoverage(
+      gradleDirs: <String>[
+        'packages/a_plugin/android',
+        'packages/a_plugin/example/android/app',
+      ],
+      useDirectoriesKey: true,
+    );
+    final RepositoryPackage plugin = createFakePlugin('a_plugin', packagesDir);
+    // Test the plugin.
+    plugin.directory.childDirectory('android').createSync(recursive: true);
+    // And its example app.
+    plugin.directory
+        .childDirectory('example')
+        .childDirectory('android')
+        .childDirectory('app')
+        .createSync(recursive: true);
+
+    final List<String> output =
+        await runCapturingPrint(runner, <String>['dependabot-check']);
+
+    expect(output,
+        containsAllInOrder(<Matcher>[contains('Ran for 2 package(s)')]));
+  });
 }