new_contents: #!/usr/bin/env python
  from setuptools import setup
  
  setup(
      name='cask',
      version='0.0.0',
      description='Linux container manager',
      author='Ian Preston',
      url='https://github.com/ianpreston/cask',
      install_requires=[
          'click==5.1',
      ],
      package_dir={
          '': 'src',
      },
      packages=['libcask'],
      scripts=['src/scripts/cask'],
  )
  
subject: Add setup.py