Improve the sources regexp to be more correct.

presubmit_canned_checks.py

 # Copyright (c) 2010 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.
 
 """Generic presubmit checks that can be reused by other presubmit checks."""
 
 
 ### Description checks
 
 def CheckChangeHasTestField(input_api, output_api):
@@ skipping 868 matching lines @@
     output_api: Bag of output related interfaces.
     excluded_paths: Don't include these paths in common checks.
     text_files: Which file are to be treated as documentation text files.
     license_header: What license header should be on files.
     project_name: What is the name of the project as it appears in the license.
   Returns:
     A list of warning or error objects.
   """
   excluded_paths = excluded_paths or  tuple()
   text_files = text_files or (
-      r'.*\.txt',
-      r'.*\.json',
+      r'.+\.txt$',
+      r'.+\.json$',
   )
   project_name = project_name or 'Chromium'
   license_header = license_header or (
       r'.*? Copyright \(c\) %(year)s The %(project)s Authors\. '
         r'All rights reserved\.\n'
       r'.*? Use of this source code is governed by a BSD-style license that '
         r'can be\n'
       r'.*? found in the LICENSE file\.\n'
   ) % {
       'year': input_api.time.strftime('%Y'),
       'project': project_name,
   }
 
   results = []
   # This code loads the default black list (e.g. third_party, experimental, etc)
   # and add our black list (breakpad, skia and v8 are still not following
   # google style and are not really living this repository).
   # See presubmit_support.py InputApi.FilterSourceFile for the (simple) usage.
   black_list = input_api.DEFAULT_BLACK_LIST + excluded_paths
   white_list = input_api.DEFAULT_WHITE_LIST + text_files
   sources = lambda x: input_api.FilterSourceFile(x, black_list=black_list)
-  text_files = lambda x: input_api.FilterSourceFile(x, black_list=black_list,
-                                                    white_list=white_list)
-
+  text_files = lambda x: input_api.FilterSourceFile(
+      x, black_list=black_list, white_list=white_list)
 
   snapshot_memory = []
   def snapshot(msg):
     """Measures & prints performance warning if a rule is running slow."""
     dt2 = input_api.time.clock()
     if snapshot_memory:
       delta_ms = int(1000*(dt2 - snapshot_memory[0]))
       if delta_ms > 500:
         print "  %s took a long time: %dms" % (snapshot_memory[1], delta_ms)
     snapshot_memory[:] = (dt2, msg)
@@ skipping 26 matching lines @@
     results.extend(input_api.canned_checks.CheckChangeSvnEolStyle(
         input_api, output_api, source_file_filter=text_files))
     snapshot("checking svn mime types")
     results.extend(input_api.canned_checks.CheckSvnForCommonMimeTypes(
         input_api, output_api))
     snapshot("checking license")
     results.extend(input_api.canned_checks.CheckLicense(
         input_api, output_api, license_header, source_file_filter=sources))
   snapshot("done")
   return results