Move copyright and svn mime check presubmit checks to trigger on commit only.

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 921 matching lines @@
       input_api, output_api, source_file_filter=sources))
   snapshot( "checking tabs")
   results.extend(input_api.canned_checks.CheckChangeHasNoTabs(
       input_api, output_api, source_file_filter=sources))
   snapshot( "checking stray whitespace")
   results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace(
       input_api, output_api, source_file_filter=sources))
   snapshot("checking eol style")
   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("checking nsobjects")
   results.extend(_CheckConstNSObject(
       input_api, output_api, source_file_filter=sources))
   snapshot("checking singletons")
   results.extend(_CheckSingletonInHeaders(
       input_api, output_api, source_file_filter=sources))
+
+  # The following checks are only done on commit, since the commit bot will
+  # auto-fix most of these.
+  if input_api.is_committing:
+    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