old_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import absolute_import
  
  import os
  
  from chef.client import ChefClient
  from chef.__about__ import *  # noqa
  
  __all__ = ['HOSTED_CHEF_API', 'ChefClient']
  
  HOSTED_CHEF_APIS = ['https://api.chef.io', 'https://api.opscode.com']
  HOSTED_CHEF_API = HOSTED_CHEF_APIS[0]
  _HERE = os.path.dirname(os.path.realpath(__file__))
  _HEAD_FILE = os.path.abspath(os.path.join(_HERE, os.pardir, '.git', 'HEAD'))
  
  
  def _read_commit_dot_txt():
      commit_dot_txt = os.path.join(_HERE, 'commit.txt')
      if os.path.isfile(commit_dot_txt):
          with open(commit_dot_txt) as sha:
              return sha.read().strip()
  
  
  def _read_commit(path):
      """Lookup HEAD (current checkout) commit hash.
  
      Falls back to reading commit.txt in this dir.
      """
      if not os.path.isfile(path):
          return _read_commit_dot_txt()
      with open(path) as head:
          headref = head.read().strip()
      if 'ref:' in headref:
          link = headref.partition('ref:')[-1].strip()
          follow = os.path.join(os.path.dirname(path), link)
          return _read_commit(follow)
      elif len(headref) == 40:
          return headref
      else:
          raise StandardError("Cannot read %s for HEAD sha-1." % path)
  
  
  __commit__ = _read_commit(_HEAD_FILE)
  
  
new_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import absolute_import
  
  import os
  
  from chef.client import ChefClient
  from chef.__about__ import *  # noqa
  
  __all__ = ['HOSTED_CHEF_API', 'ChefClient']
  
  HOSTED_CHEF_APIS = ['https://api.chef.io', 'https://api.opscode.com']
  HOSTED_CHEF_API = HOSTED_CHEF_APIS[0]
  _HERE = os.path.dirname(os.path.realpath(__file__))
  _HEAD_FILE = os.path.abspath(os.path.join(_HERE, os.pardir, '.git', 'HEAD'))
  
  
  def _read_commit_dot_txt():
      commit_dot_txt = os.path.join(_HERE, 'commit.txt')
      if os.path.isfile(commit_dot_txt):
          with open(commit_dot_txt) as sha:
              return sha.read().strip()
  
  
  def _read_commit(path):
      """Lookup HEAD (current checkout) commit hash.
  
      Falls back to reading commit.txt in this dir.
      """
      if not os.path.isfile(path):
          return _read_commit_dot_txt()
      with open(path) as head:
          headref = head.read().strip()
      if 'ref:' in headref:
          link = headref.partition('ref:')[-1].strip()
          follow = os.path.join(os.path.dirname(path), link)
          return _read_commit(follow)
      elif len(headref) == 40:
          return headref
      else:
          raise StandardError("Cannot read %s for HEAD sha-1." % path)
  
  
  __commit__ = _read_commit(_HEAD_FILE)
  
subject: Remove extra blank line