Revert "Reduce xcodebuild noise #2" (#14641)

Merging to get back to a green tree.

packages/flutter_tools/bin/xcode_backend.sh

@@ -4,9 +4,7 @@
 # found in the LICENSE file.
 
 RunCommand() {
-  if [[ -n "$VERBOSE_SCRIPT_LOGGING" ]]; then
   echo "♦ $*"
-  fi
   "$@"
   return $?
 }

packages/flutter_tools/lib/src/ios/mac.dart

@@ -277,41 +277,16 @@ Future<XcodeBuildResult> buildXcodeProject({
     );
   }
 
-  final Status cleanStatus =
-      logger.startProgress('Running Xcode clean...', expectSlowOperation: true);
-  final RunResult cleanResult = await runAsync(
-    <String>[
-      '/usr/bin/env',
-      'xcrun',
-      'xcodebuild',
-      'clean',
-      '-configuration', configuration,
-    ],
-    workingDirectory: app.appDirectory,
-  );
-  cleanStatus.stop();
-  if (cleanResult.exitCode != 0) {
-    throwToolExit('Xcode failed to clean\n${cleanResult.stderr}');
-  }
-
   final List<String> commands = <String>[
     '/usr/bin/env',
     'xcrun',
     'xcodebuild',
+    'clean',
     'build',
     '-configuration', configuration,
     'ONLY_ACTIVE_ARCH=YES',
   ];
 
-  if (logger.isVerbose) {
-    // An environment variable to be passed to xcode_backend.sh determining
-    // whether to echo back executed commands.
-    commands.add('VERBOSE_SCRIPT_LOGGING=YES');
-  } else {
-    // This will print warnings and errors only.
-    commands.add('-quiet');
-  }
-
   if (developmentTeam != null)
     commands.add('DEVELOPMENT_TEAM=$developmentTeam');
 
@@ -343,28 +318,27 @@ Future<XcodeBuildResult> buildXcodeProject({
     );
   }
 
-  final Status buildStatus =
-      logger.startProgress('Running Xcode build...', expectSlowOperation: true);
-  final RunResult buildResult = await runAsync(
+  final Status status = logger.startProgress('Running Xcode build...', expectSlowOperation: true);
+  final RunResult result = await runAsync(
     commands,
     workingDirectory: app.appDirectory,
     allowReentrantFlutter: true
   );
-  buildStatus.stop();
-  if (buildResult.exitCode != 0) {
+  status.stop();
+  if (result.exitCode != 0) {
     printStatus('Failed to build iOS app');
-    if (buildResult.stderr.isNotEmpty) {
+    if (result.stderr.isNotEmpty) {
       printStatus('Error output from Xcode build:\n↳');
-      printStatus(buildResult.stderr, indent: 4);
+      printStatus(result.stderr, indent: 4);
     }
-    if (buildResult.stdout.isNotEmpty) {
+    if (result.stdout.isNotEmpty) {
       printStatus('Xcode\'s output:\n↳');
-      printStatus(buildResult.stdout, indent: 4);
+      printStatus(result.stdout, indent: 4);
     }
     return new XcodeBuildResult(
       success: false,
-      stdout: buildResult.stdout,
-      stderr: buildResult.stderr,
+      stdout: result.stdout,
+      stderr: result.stderr,
       xcodeBuildExecution: new XcodeBuildExecution(
         commands,
         app.appDirectory,
@@ -374,7 +348,7 @@ Future<XcodeBuildResult> buildXcodeProject({
   } else {
     // Look for 'clean build/<configuration>-<sdk>/Runner.app'.
     final RegExp regexp = new RegExp(r' clean (.*\.app)$', multiLine: true);
-    final Match match = regexp.firstMatch(buildResult.stdout);
+    final Match match = regexp.firstMatch(result.stdout);
     String outputDir;
     if (match != null) {
       final String actualOutputDir = match.group(1).replaceAll('\\ ', ' ');