old_contents: import subprocess
  import sys
  
  git_diff_output = subprocess.check_output(
  	"git diff --name-only --diff-filter=ACM", universal_newlines=True)
  git_diff_lines = git_diff_output.split("\n")
  
  for file_name in git_diff_lines:
  	if not file_name:
  		continue
  	print "Checking style for %s" %file_name
  	ret_value = subprocess.call(
  		"python 3rdparty/styleguide/cpplint/cpplint.py --filter=%s %s"
  		%("-build/include_order", file_name), stderr=subprocess.STDOUT)
  	if ret_value != 0:
  		sys.exit(ret_value)
  sys.exit(0)
  
new_contents: import subprocess
  import sys
  
  git_diff_output = subprocess.check_output(
  	"git diff --name-only --diff-filter=ACM", universal_newlines=True)
  git_diff_lines = git_diff_output.split("\n")
  
  for file_name in git_diff_lines:
  	if not file_name:
  		continue
  	print "Checking style for %s" %file_name
  	ret_value = subprocess.call(
  		"python 3rdparty/styleguide/cpplint/cpplint.py --filter="
  		"-build/include_order,-legal/copyright %s"
  		%file_name, stderr=subprocess.STDOUT)
  	if ret_value != 0:
  		sys.exit(ret_value)
  sys.exit(0)
  
subject: Update style checker options to ignore copyright.