old_contents: #!/usr/bin/env python
  
  # Copyright (c) 2012 The Dart Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  """
  Invoke gyp to generate build files for building the Dart VM.
  """
  
  import os
  import subprocess
  import sys
  
  def execute(args):
    process = subprocess.Popen(args)
    process.wait()
    return process.returncode
  
  def main():
    component = 'all'
    if len(sys.argv) == 2:
      component = sys.argv[1]
  
    component_gyp_files = {
      'all' : 'dart/dart.gyp',
      'runtime' : 'dart/runtime/dart-runtime.gyp',
    }
    args = ['python', '-S', 'dart/third_party/gyp/gyp_main.py',
            '--depth=dart', '-Idart/tools/gyp/all.gypi',
            component_gyp_files[component]]
  
    if sys.platform == 'win32':
      # Generate Visual Studio 2010 compatible files by default.
      if not os.environ.get('GYP_MSVS_VERSION'):
        args.extend(['-G', 'msvs_version=2010'])
  
    sys.exit(execute(args))
  
  if __name__ == '__main__':
    main()
  
new_contents: #!/usr/bin/env python
  
  # Copyright (c) 2012 The Dart Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  """
  Invoke gyp to generate build files for building the Dart VM.
  """
  
  import os
  import subprocess
  import sys
  
  SCRIPT_DIR = os.path.dirname(sys.argv[0])
  DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
  
  def execute(args):
    process = subprocess.Popen(args, cwd=DART_ROOT)
    process.wait()
    return process.returncode
  
  def main():
    component = 'all'
    if len(sys.argv) == 2:
      component = sys.argv[1]
  
    component_gyp_files = {
      'all' : 'dart.gyp',
      'runtime' : 'runtime/dart-runtime.gyp',
    }
    args = ['python', '-S', 'third_party/gyp/gyp_main.py',
            '--depth=.', '-Itools/gyp/all.gypi',
            component_gyp_files[component]]
  
    if sys.platform == 'win32':
      # Generate Visual Studio 2010 compatible files by default.
      if not os.environ.get('GYP_MSVS_VERSION'):
        args.extend(['-G', 'msvs_version=2010'])
  
    sys.exit(execute(args))
  
  if __name__ == '__main__':
    main()
  
subject: Make tools/gypdart independent of the directory from which it is called.