old_contents: #!/usr/bin/env python
  
  # Copyright (c) 2013 Google Inc. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  from optparse import OptionParser
  import glob
  import os
  import subprocess
  
  parser = OptionParser()
  parser.add_option('--exe', dest='exe')
  parser.add_option('--vcbindir', dest='vcbindir')
  parser.add_option('--pgd', dest='pgd')
  (options, args) = parser.parse_args()
  
  # Instrumented binaries fail to run unless the Visual C++'s bin dir is included
  # in the PATH environment variable.
  os.environ['PATH'] = os.environ['PATH'] + os.pathsep + options.vcbindir
  
  # Run Instrumented binary.  The profile will be recorded into *.pgc file.
  subprocess.call([options.exe])
  
  # Merge *.pgc files into a *.pgd (Profile-Guided Database) file.
  subprocess.call(['pgomgr', '/merge', options.pgd])
  
  # *.pgc files are no longer necessary. Clear all of them.
  pgd_file = os.path.abspath(options.pgd)
  pgd_dir = os.path.dirname(pgd_file)
  (pgd_basename, _) = os.path.splitext(os.path.basename(pgd_file))
  pgc_filepattern = os.path.join(pgd_dir, '%s!*.pgc' % pgd_basename)
  pgc_files= glob.glob(pgc_filepattern)
  for pgc_file in pgc_files:
    os.unlink(pgc_file)
  
new_contents: #!/usr/bin/env python
  
  # Copyright (c) 2013 Google Inc. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  from optparse import OptionParser
  import glob
  import os
  import subprocess
  
  parser = OptionParser()
  parser.add_option('--exe', dest='exe')
  parser.add_option('--vcbindir', dest='vcbindir')
  parser.add_option('--pgd', dest='pgd')
  (options, args) = parser.parse_args()
  
  # Instrumented binaries fail to run unless the Visual C++'s bin dir is included
  # in the PATH environment variable.
  os.environ['PATH'] = os.environ['PATH'] + os.pathsep + options.vcbindir
  
  # Run Instrumented binary.  The profile will be recorded into *.pgc file.
  subprocess.call([options.exe])
  
  # Merge *.pgc files into a *.pgd (Profile-Guided Database) file.
  subprocess.call(['pgomgr', '/merge', options.pgd])
  
  # *.pgc files are no longer necessary. Clear all of them.
  pgd_file = os.path.abspath(options.pgd)
  pgd_dir = os.path.dirname(pgd_file)
  (pgd_basename, _) = os.path.splitext(os.path.basename(pgd_file))
  pgc_filepattern = os.path.join(pgd_dir, '%s!*.pgc' % pgd_basename)
  pgc_files= glob.glob(pgc_filepattern)
  for pgc_file in pgc_files:
    os.unlink(pgc_file)
  
subject: Fix mixed line endings warning