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Contents
import 'dart:async';
import 'dart:io';
import 'package:io/io.dart';
class CommonUtils {
ProcessManager _manager;
CommonUtils() {
this._manager = new ProcessManager();
}
/// Fetches the configlet file if it doesn't exist already, and returns the
/// exit code.
int fetchConfiglet() {
File configletFile = new File('bin/configlet');
if (!configletFile.existsSync()) {
print('Fetching configlet...');
return _exit(Process.runSync('bin/fetch-configlet', []).exitCode);
}
return 0;
}
/// Returns a [Future] with the exit code resulting from running the
/// [executable] with [arguments].
Future<int> runCmd(String executable, [List<String> arguments = const []]) async {
Process spawn = await _manager.spawn(executable, arguments);
return _exit(await spawn.exitCode);
}
/// Returns a [Future] with the exit code resulting from running the
/// [executable] with [arguments].
///
/// If [executable] isn't executable, returns a [Future] with exit code 1 and
/// shows an error message.
Future<int> runCmdIfExecutable(String executable, [List<String> arguments = const []]) async {
final result = isExecutable(executable);
if (result is bool && !result || result is Future && !await result) {
print('Unable to run "$executable". Make sure that it\'s executable and that you have permissions to run it.');
return new Future.value(1);
}
return runCmd(executable, arguments);
}
/// Terminates the global `stdin` listener.
Future<Null> terminate() async {
await ProcessManager.terminateStdIn();
}
}
/// Returns [exitCode] and shows an error message if it is different from 0.
int _exit(int exitCode) {
if (exitCode != 0) print('Failed. Error code: $exitCode.');
return exitCode;
}
Version data entries
64 entries across 64 versions & 1 rubygems