message: No more stdbuf. It just doesn't work right
diff: @@ -109,14 +109,7 @@ export function execute(command: string,
  if (options && options.cwd) {
  spawn_opts.cwd = options.cwd;
  }
  - let child: proc.ChildProcess;
  - if (process.platform == 'linux') {
  - // We wrap things in `stdbuf` to disable output buffering.
  - const subargs = [ '-o', '0', '-e', '0' ].concat([ command ], args);
  - child = proc.spawn('stdbuf', subargs, spawn_opts);
  - } else {
  - child = proc.spawn(command, args, spawn_opts);
  - }
  + let child: proc.ChildProcess = proc.spawn(command, args, spawn_opts);
  const result = new Promise<ExecutionResult>((resolve, reject) => {
  child.on('error', (err) => { reject(err); });
  let stdout_acc = '';
  