Run auto-spell-checker (codespell) on files in depot_tools.

git_common.py

 # Copyright 2014 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.
 
 # Monkeypatch IMapIterator so that Ctrl-C can kill everything properly.
 # Derived from https://gist.github.com/aljungberg/626518
 import multiprocessing.pool
 from multiprocessing.pool import IMapIterator
 def wrapper(func):
   def wrap(self, timeout=None):
@@ skipping 882 matching lines @@
         yield branch, parent
         parent_to_branches[parent].discard(branch)
         del branch_tree[branch]
 
 
 def tree(treeref, recurse=False):
   """Returns a dict representation of a git tree object.
 
   Args:
     treeref (str) - a git ref which resolves to a tree (commits count as trees).
-    recurse (bool) - include all of the tree's decendants too. File names will
+    recurse (bool) - include all of the tree's descendants too. File names will
       take the form of 'some/path/to/file'.
 
   Return format:
     { 'file_name': (mode, type, ref) }
 
     mode is an integer where:
       * 0040000 - Directory
       * 0100644 - Regular non-executable file
       * 0100664 - Regular non-executable group-writeable file
       * 0100755 - Regular executable file
@@ skipping 99 matching lines @@
                       ['HEAD'])
 
 
 def clone_file(repository, new_workdir, link, operation):
   if not os.path.exists(os.path.join(repository, link)):
     return
   link_dir = os.path.dirname(os.path.join(new_workdir, link))
   if not os.path.exists(link_dir):
     os.makedirs(link_dir)
   operation(os.path.join(repository, link), os.path.join(new_workdir, link))