checkperms: Recognize "#! /path" as a file that has a shabang.

tools/checkperms/checkperms.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Makes sure files have the right permissions.
 
 Some developers have broken SCM configurations that flip the executable
 permission on for no good reason. Unix developers who run ls --color will then
 see .cc files in green and get confused.
@@ skipping 252 matching lines @@
   return bool(permission & os.stat(full_path).st_mode)
 
 
 def has_shebang_or_is_elf(full_path):
   """Returns if the file starts with #!/ or is an ELF binary.
 
   full_path is the absolute path to the file.
   """
   with open(full_path, 'rb') as f:
     data = f.read(4)
-    return (data[:3] == '#!/', data == '\x7fELF')
+    return (data[:3] == '#!/' or data == '#! /', data == '\x7fELF')
 
 
 def check_file(root_path, rel_path):
   """Checks the permissions of the file whose path is root_path + rel_path and
   returns an error if it is inconsistent. Returns None on success.
 
   It is assumed that the file is not ignored by is_ignored().
 
   If the file name is matched with must_be_executable() or
   must_not_be_executable(), only its executable bit is checked.
@@ skipping 187 matching lines @@
       print '\nFAILED\n'
       print '\n'.join('%s: %s' % (e['full_path'], e['error']) for e in errors)
     return 1
   if not options.bare:
     print '\nSUCCESS\n'
   return 0
 
 
 if '__main__' == __name__:
   sys.exit(main())