anchor.diff:  // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
   // for details. All rights reserved. Use of this source code is governed by a
   // BSD-style license that can be found in the LICENSE file.
  -
  -// @dart=2.10
   
   /// Helper functionality for invoking Git.
   import 'dart:async';
  
positive.code: 
    log.muteProgress();
    try {
      var result = await runProcess(command, args,
          workingDir: workingDir,
          environment: {...?environment, 'LANG': 'en_GB'});
      if (!result.success) {
  
negative.code: /// Returns the stdout as a list of strings if it succeeded. Completes to an
  /// exception if it failed.
  Future<List<String>> run(List<String> args,
      {String? workingDir, Map<String, String>? environment}) async {
    if (!isInstalled) {
      fail('Cannot find a Git executable.\n'
          'Please ensure Git is correctly installed.');
  