old_contents: # Copyright 2020 Open Source Robotics Foundation, Inc.
  #
  # 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.
  
  import argparse
  import subprocess
  import sys
  
  
  def main(argv=sys.argv[1:]):
      parser = argparse.ArgumentParser(
          description='Run a Google Benchmark test and convert the results to '
                      'a common format.')
      parser.add_argument(
          'result_file_in', help='The path to the Google Benchmark result file')
      parser.add_argument(
          'result_file_out',
          help='The path to where the common result file should be written')
      parser.add_argument(
          '--command',
          nargs='+',
          help='The test command to execute. '
               'It must be passed after other arguments since it collects all '
               'following options.')
      if '--command' in argv:
          index = argv.index('--command')
          argv, command = argv[0:index + 1] + ['dummy'], argv[index + 1:]
      args = parser.parse_args(argv)
      args.command = command
  
      res = subprocess.run(args.command)
  
      with open(args.result_file_in, 'r') as in_file:
          with open(args.result_file_out, 'w') as out_file:
              # TODO(cottsay): Convert the results file
              pass
  
      return res.returncode
  
new_contents: # Copyright 2020 Open Source Robotics Foundation, Inc.
  #
  # 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.
  
  import argparse
  import subprocess
  import sys
  
  
  def main(argv=sys.argv[1:]):
      parser = argparse.ArgumentParser(
          description='Run a Google Benchmark test and convert the results to '
                      'a common format.')
      parser.add_argument(
          'result_file_in', help='The path to the Google Benchmark result file')
      parser.add_argument(
          'result_file_out',
          help='The path to where the common result file should be written')
      parser.add_argument(
          '--command',
          nargs='+',
          help='The test command to execute. '
               'It must be passed after other arguments since it collects all '
               'following options.')
      if '--command' in argv:
          index = argv.index('--command')
          argv, command = argv[0:index + 1] + ['dummy'], argv[index + 1:]
      args = parser.parse_args(argv)
      args.command = command
  
      res = subprocess.run(args.command)
  
      try:
          with open(args.result_file_in, 'r') as in_file:
              with open(args.result_file_out, 'w') as out_file:
                  # TODO(cottsay): Convert the results file
                  pass
      except FileNotFoundError:
          if res.returncode == 0:
              print(
                  'ERROR: No performance test results were found at: %s' % args.result_file_in,
                  file=sys.stderr)
              res.returncode = 1
  
      return res.returncode
  
subject: Handle missing results file for Google Benchmark (#265)