old_contents: #  Copyright 2017 Christoph Mende
  #
  #  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.
  
  def help(user, args):
      if args is None:
          return "wat?! go help yourself"
  
      return args
  
  commands = {
      'help': help
  }
  
new_contents: #  Copyright 2017 Christoph Mende
  #
  #  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.
  
  def help(user, args):
      if args is None:
          return "wat?! go help yourself"
  
      return args
  
  def version(user, args):
      try:
          with open('.git/refs/heads/master', 'r') as f:
              rev = f.read()[:8]
          with open('.git/COMMIT_EDITMSG', 'r') as f:
              msg = f.read()
          return '{}: {}'.format(rev, msg)
      except:
          return 'unknown'
  
  commands = {
      'help': help,
      'version': version
  }
  
subject: Implement version command