old_contents: # /psqtraviscontainer/use.py
  #
  # Module which handles the running of scripts and commands inside of a proot
  #
  # See /LICENCE.md for Copyright information
  """Module which handles the running of scripts inside of a proot."""
  
  import os
  
  import sys
  
  from psqtraviscontainer import common_options
  from psqtraviscontainer import distro
  
  
  def _parse_arguments(arguments=None):
      """Return a parser context result."""
      parser = common_options.get_parser("Use")
      parser.add_argument("--show-output",
                          action="store_true",
                          help="""Show output of commands once they've run.""")
      return parser.parse_args(arguments)
  
  
  def main(arguments=None):
      """Select a distro in the container root and runs a command in it."""
      arguments = (arguments or sys.argv[1:])
  
      try:
          two_dashes_argument = arguments.index("--")
      except ValueError:
          sys.stdout.write("""Command line must specify command to """
                           """run with two dashes\n""")
          sys.exit(1)
  
      parseable_arguments = arguments[:two_dashes_argument]
      command = arguments[two_dashes_argument + 1:]
  
      argparse_result = _parse_arguments(arguments=parseable_arguments)
  
      container_dir = os.path.realpath(argparse_result.containerdir)
      selected_distro = distro.lookup(vars(argparse_result))
      with selected_distro["info"].get_func(container_dir,
                                            selected_distro) as container:
          result, stdout, stderr = container.execute(command)
  
      if argparse_result.show_output:
          sys.stdout.write(stdout)
          sys.stderr.write(stderr)
  
      return result
  
new_contents: # /psqtraviscontainer/use.py
  #
  # Module which handles the running of scripts and commands inside of a proot
  #
  # See /LICENCE.md for Copyright information
  """Module which handles the running of scripts inside of a proot."""
  
  import os
  
  import sys
  
  from psqtraviscontainer import common_options
  from psqtraviscontainer import distro
  
  
  def _parse_arguments(arguments=None):
      """Return a parser context result."""
      parser = common_options.get_parser("Use")
      parser.add_argument("--show-output",
                          action="store_true",
                          help="""Show output of commands once they've run.""")
      return parser.parse_args(arguments)
  
  
  def main(arguments=None):
      """Select a distro in the container root and runs a command in it."""
      arguments = (arguments or sys.argv[1:])
  
      try:
          two_dashes_argument = arguments.index("--")
      except ValueError:
          sys.stdout.write("""Command line must specify command to """
                           """run with two dashes\n""")
          sys.exit(1)
  
      parseable_arguments = arguments[:two_dashes_argument]
      command = arguments[two_dashes_argument + 1:]
  
      argparse_result = _parse_arguments(arguments=parseable_arguments)
  
      container_dir = os.path.realpath(argparse_result.containerdir)
      selected_distro = distro.lookup(vars(argparse_result))
      with selected_distro["info"].get_func(container_dir,
                                            selected_distro) as container:
          if argparse_result.show_output:
              execute_kwargs = {
                  "stderr": None,
                  "stdout": None
              }
          else:
              execute_kwargs = dict()
  
          result = container.execute(command, **execute_kwargs)[0]
  
      return result
  
subject: Set stderr and stdout keywords to None when showing output