old_contents: #!/usr/bin/python
  # Copyright (c) 2011 The Native Client Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  #
  # This takes three command-line arguments:
  #       MUNGE-PHDR-PROGRAM      file name of program built from
  #                               nacl_helper_bootstrap_munge_phdr.c
  #       INFILE                  raw linked ELF file name
  #       OUTFILE                 output file name
  #
  # We just run the MUNGE-PHDR-PROGRAM on a copy of INFILE.
  # That modifies the file in place.  Then we move it to OUTFILE.
  #
  # We only have this wrapper script because nacl_helper_bootstrap_munge_phdr.c
  # wants to modify a file in place (and it would be a much longer and more
  # fragile program if it created a fresh ELF output file instead).
  
  import shutil
  import subprocess
  import sys
  
  
  def Main(argv):
    if len(argv) != 4:
      print 'Usage: %s MUNGE-PHDR-PROGRAM INFILE OUTFILE' % argv[0]
      sys.exit(1)
    [prog, munger, infile, outfile] = argv
    tmpfile = outfile + '.tmp'
    shutil.copy(infile, tmpfile)
    segment_num = '2'
    subprocess.check_call([munger, tmpfile, segment_num])
    shutil.move(tmpfile, outfile)
  
  if __name__ == '__main__':
    Main(sys.argv)
  
new_contents: #!/usr/bin/env python
  # Copyright (c) 2011 The Native Client Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  """This takes three command-line arguments:
        MUNGE-PHDR-PROGRAM      file name of program built from
                                nacl_helper_bootstrap_munge_phdr.c
        INFILE                  raw linked ELF file name
        OUTFILE                 output file name
  
  We just run the MUNGE-PHDR-PROGRAM on a copy of INFILE.
  That modifies the file in place.  Then we move it to OUTFILE.
  
  We only have this wrapper script because nacl_helper_bootstrap_munge_phdr.c
  wants to modify a file in place (and it would be a much longer and more
  fragile program if it created a fresh ELF output file instead).
  """
  
  import shutil
  import subprocess
  import sys
  
  
  def Main(argv):
    if len(argv) != 4:
      print 'Usage: %s MUNGE-PHDR-PROGRAM INFILE OUTFILE' % argv[0]
      return 1
    [prog, munger, infile, outfile] = argv
    tmpfile = outfile + '.tmp'
    shutil.copy(infile, tmpfile)
    segment_num = '2'
    subprocess.check_call([munger, tmpfile, segment_num])
    shutil.move(tmpfile, outfile)
    return 0
  
  
  if __name__ == '__main__':
    sys.exit(Main(sys.argv))
  
subject: Move over tweaks to munge-phdr script from chromium repo