Add env variable in gclient recurse with repo path

gclient.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.
 
 """Meta checkout manager supporting both Subversion and GIT.
 
 Files
   .gclient      : Current client configuration, written by 'config' command.
                   Format is a Python script defining 'solutions', a list whose
@@ skipping 623 matching lines @@
         # Skip file only checkout.
         scm = gclient_scm.GetScmName(parsed_url)
         if not options.scm or scm in options.scm:
           cwd = os.path.normpath(os.path.join(self.root.root_dir, self.name))
           # Pass in the SCM type as an env variable
           env = os.environ.copy()
           if scm:
             env['GCLIENT_SCM'] = scm
           if parsed_url:
             env['GCLIENT_URL'] = parsed_url
+          env['GCLIENT_DEP_PATH'] = self.name
           if options.prepend_dir:
             print_stdout = False
             def filter_fn(line):
               items = line.split('\0')
               if len(items) == 1:
                 match = re.match('Binary file (.*) matches$', line)
                 if match:
                   print 'Binary file %s matches' % os.path.join(
                       self.name, match.group(1))
                 else:
@@ skipping 595 matching lines @@
     # client dict, but more legible, and it might contain helpful comments.
     print(client.config_content)
   return client.RunOnDeps('cleanup', args)
 
 
 @attr('usage', '[command] [args ...]')
 def CMDrecurse(parser, args):
   """Operates on all the entries.
 
   Runs a shell command on all entries.
+  Sets GCLIENT_DEP_PATH enviroment variable as the dep's relative location to
+  root directory of the checkout.
   """
   # Stop parsing at the first non-arg so that these go through to the command
   parser.disable_interspersed_args()
   parser.add_option('-s', '--scm', action='append', default=[],
                     help='Choose scm types to operate upon.')
   parser.add_option('-i', '--ignore', action='store_true',
                     help='Ignore non-zero return codes from subcommands.')
   parser.add_option('--prepend-dir', action='store_true',
                     help='Prepend relative dir for use with git <cmd> --null.')
   parser.add_option('--no-progress', action='store_true',
@@ skipping 470 matching lines @@
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   fix_encoding.fix_encoding()
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: