Don't track SCM changes in rebaseline commands.

third_party/WebKit/Tools/Scripts/webkitpy/common/checkout/scm/scm.py

 # Copyright (c) 2009, Google Inc. All rights reserved.
 # Copyright (c) 2009 Apple Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 from webkitpy.common.system.executive import Executive
 from webkitpy.common.system.executive import ScriptError
 from webkitpy.common.system.filesystem import FileSystem
 
 _log = logging.getLogger(__name__)
 
 
 # SCM methods are expected to return paths relative to self.checkout_root.
 class SCM:
 
+    # Arguments are generally unused in abstract base methods below.
+    # pylint: disable=unused-argument
+
     def __init__(self, cwd, executive=None, filesystem=None):
         self.cwd = cwd
         self._executive = executive or Executive()
         self._filesystem = filesystem or FileSystem()
         self.checkout_root = self.find_checkout_root(self.cwd)
 
     # A wrapper used by subclasses to create processes.
     def _run(self,
              args,
              cwd=None,
@@ skipping 36 matching lines @@
     def _subclass_must_implement():
         raise NotImplementedError("subclasses must implement")
 
     @classmethod
     def in_working_directory(cls, path, executive=None):
         SCM._subclass_must_implement()
 
     def find_checkout_root(self, path):
         SCM._subclass_must_implement()
 
+    def add_all(self, pathspec=None):
+        self._subclass_must_implement()
+
     def add(self, path, return_exit_code=False, recurse=True):
         self.add_list([path], return_exit_code, recurse)
 
     def add_list(self, paths, return_exit_code=False, recurse=True):
         self._subclass_must_implement()
 
     def delete(self, path):
         self.delete_list([path])
 
     def delete_list(self, paths):
@@ skipping 20 matching lines @@
     def commit_position(self, path):
         """Returns the latest chromium commit position found in the checkout."""
         self._subclass_must_implement()
 
     def timestamp_of_revision(self, path, revision):
         self._subclass_must_implement()
 
     def blame(self, path):
         self._subclass_must_implement()
 
-    def has_working_directory_changes(self):
+    def has_working_directory_changes(self, pathspec=None):
         self._subclass_must_implement()
 
     #--------------------------------------------------------------------------
     # Subclasses must indicate if they support local commits,
     # but the SCM baseclass will only call local_commits methods when this is true.
     @staticmethod
     def supports_local_commits():
         SCM._subclass_must_implement()
 
     def commit_locally_with_message(self, message):
         _log.error("Your source control manager does not support local commits.")
         sys.exit(1)