Show Xcode workspace clean output with verbose flag (#52860)

diff --git a/packages/flutter_tools/lib/executable.dart b/packages/flutter_tools/lib/executable.dart
index 5640105..2fe79ba 100644
--- a/packages/flutter_tools/lib/executable.dart
+++ b/packages/flutter_tools/lib/executable.dart

@@ -79,7 +79,7 @@
     AttachCommand(verboseHelp: verboseHelp),
     BuildCommand(verboseHelp: verboseHelp),
     ChannelCommand(verboseHelp: verboseHelp),
-    CleanCommand(),
+    CleanCommand(verbose: verbose),
     ConfigCommand(verboseHelp: verboseHelp),
     CreateCommand(),
     DaemonCommand(hidden: !verboseHelp),

diff --git a/packages/flutter_tools/lib/src/commands/clean.dart b/packages/flutter_tools/lib/src/commands/clean.dart
index 6c23d45..fa2734a 100644
--- a/packages/flutter_tools/lib/src/commands/clean.dart
+++ b/packages/flutter_tools/lib/src/commands/clean.dart

@@ -15,10 +15,14 @@
 import '../runner/flutter_command.dart';
 
 class CleanCommand extends FlutterCommand {
-  CleanCommand() {
+  CleanCommand({
+    bool verbose = false,
+  }) : _verbose = verbose {
     requiresPubspecYaml();
   }
 
+  final bool _verbose;
+
   @override
   final String name = 'clean';
 
@@ -69,7 +73,7 @@
       final Directory xcodeWorkspace = xcodeProject.xcodeWorkspace;
       final XcodeProjectInfo projectInfo = await globals.xcodeProjectInterpreter.getInfo(xcodeWorkspace.parent.path);
       for (final String scheme in projectInfo.schemes) {
-        await globals.xcodeProjectInterpreter.cleanWorkspace(xcodeWorkspace.path, scheme);
+        await globals.xcodeProjectInterpreter.cleanWorkspace(xcodeWorkspace.path, scheme, verbose: _verbose);
       }
     } on Exception catch (error) {
       globals.printTrace('Could not clean Xcode workspace: $error');

diff --git a/packages/flutter_tools/lib/src/ios/xcodeproj.dart b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
index 0c8b643..09081ec 100644
--- a/packages/flutter_tools/lib/src/ios/xcodeproj.dart
+++ b/packages/flutter_tools/lib/src/ios/xcodeproj.dart

@@ -364,14 +364,15 @@
     }
   }
 
-  Future<void> cleanWorkspace(String workspacePath, String scheme) async {
+  Future<void> cleanWorkspace(String workspacePath, String scheme, { bool verbose = false }) async {
     await _processUtils.run(<String>[
       _executable,
       '-workspace',
       workspacePath,
       '-scheme',
       scheme,
-      '-quiet',
+      if (!verbose)
+        '-quiet',
       'clean',
       ...environmentVariablesAsXcodeBuildSettings(_platform)
     ], workingDirectory: _fileSystem.currentDirectory.path);

diff --git a/packages/flutter_tools/test/commands.shard/hermetic/clean_test.dart b/packages/flutter_tools/test/commands.shard/hermetic/clean_test.dart
index aeaabf5..38aecdd 100644
--- a/packages/flutter_tools/test/commands.shard/hermetic/clean_test.dart
+++ b/packages/flutter_tools/test/commands.shard/hermetic/clean_test.dart

@@ -72,7 +72,18 @@
         expect(projectUnderTest.macos.ephemeralDirectory.existsSync(), isFalse);
         expect(projectUnderTest.windows.ephemeralDirectory.existsSync(), isFalse);
 
-        verify(mockXcodeProjectInterpreter.cleanWorkspace(any, 'Runner')).called(2);
+        verify(mockXcodeProjectInterpreter.cleanWorkspace(any, 'Runner', verbose: false)).called(2);
+      }, overrides: <Type, Generator>{
+        FileSystem: () => fs,
+        ProcessManager: () => FakeProcessManager.any(),
+        Xcode: () => mockXcode,
+        XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
+      });
+
+      testUsingContext('$CleanCommand cleans Xcode verbosely', () async {
+        when(mockXcode.isInstalledAndMeetsVersionCheck).thenReturn(true);
+        await CleanCommand(verbose: true).runCommand();
+        verify(mockXcodeProjectInterpreter.cleanWorkspace(any, 'Runner', verbose: true)).called(2);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
         ProcessManager: () => FakeProcessManager.any(),

diff --git a/packages/flutter_tools/test/src/context.dart b/packages/flutter_tools/test/src/context.dart
index ab61de9..2680cfd 100644
--- a/packages/flutter_tools/test/src/context.dart
+++ b/packages/flutter_tools/test/src/context.dart

@@ -401,7 +401,7 @@
   }
 
   @override
-  Future<void> cleanWorkspace(String workspacePath, String scheme) {
+  Future<void> cleanWorkspace(String workspacePath, String scheme, { bool verbose = false }) {
     return null;
   }