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Don't dump a stack trace for a usage exception

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Instead, just print the usage.
This commit is contained in:
Adam Barth 2015-10-13 13:36:39 -07:00
parent f0a1632dd6
commit 80f30d9176
1 changed files with 14 additions and 4 deletions
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18
packages/flutter_tools/lib/executable.dart
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@ -2,6 +2,10 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'dart:io';
import 'package:args/command_runner.dart';
import 'package:logging/logging.dart';
import 'src/commands/flutter_command_runner.dart';
@ -20,7 +24,7 @@ import 'src/commands/trace.dart';
/// Main entry point for commands.
///
/// This function is intended to be used from the [flutter] command line tool.
void main(List<String> args) {
Future main(List<String> args) async {
Logger.root.level = Level.WARNING;
Logger.root.onRecord.listen((LogRecord record) {
print('${record.level.name}: ${record.message}');
@ -30,7 +34,7 @@ void main(List<String> args) {
print(record.stackTrace);
});
new FlutterCommandRunner()
FlutterCommandRunner runner = new FlutterCommandRunner()
..addCommand(new BuildCommand())
..addCommand(new CacheCommand())
..addCommand(new InitCommand())
@ -41,6 +45,12 @@ void main(List<String> args) {
..addCommand(new RunMojoCommand())
..addCommand(new StartCommand())
..addCommand(new StopCommand())
..addCommand(new TraceCommand())
..run(args);
..addCommand(new TraceCommand());
try {
await runner.run(args);
} on UsageException catch (e) {
print(e);
exit(1);
}
}