Update the repo wrapper

repo

 #!/bin/sh
 
 ## repo default configuration
 ##
-REPO_URL='http://android.git.kernel.org/tools/repo.git'
+REPO_URL='git://android.git.kernel.org/tools/repo.git'
 REPO_REV='stable'
 
 # Copyright (C) 2008 Google Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
 magic='--calling-python-from-/bin/sh--'
 """exec" python -E "$0" "$@" """#$magic"
 if __name__ == '__main__':
   import sys
   if sys.argv[-1] == '#%s' % magic:
     del sys.argv[-1]
 del magic
 
 # increment this whenever we make important changes to this script
-VERSION = (1, 9)
+VERSION = (1, 10)
 
 # increment this if the MAINTAINER_KEYS block is modified
 KEYRING_VERSION = (1,0)
 MAINTAINER_KEYS = """
 
      Repo Maintainer <repo@android.kernel.org>
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 Version: GnuPG v1.4.2.2 (GNU/Linux)
 
 mQGiBEj3ugERBACrLJh/ZPyVSKeClMuznFIrsQ+hpNnmJGw1a9GXKYKk8qHPhAZf
@@ skipping 74 matching lines @@
 group.add_option('-b', '--manifest-branch',
                  dest='manifest_branch',
                  help='manifest branch or revision', metavar='REVISION')
 group.add_option('-m', '--manifest-name',
                  dest='manifest_name',
                  help='initial manifest file (deprecated)',
                  metavar='NAME.xml')
 group.add_option('--mirror',
                  dest='mirror', action='store_true',
                  help='mirror the forrest')
+group.add_option('--reference',
+                 dest='reference',
+                 help='location of mirror directory', metavar='DIR')
 
 # Tool
 group = init_optparse.add_option_group('repo Version options')
 group.add_option('--repo-url',
                  dest='repo_url',
                  help='repo repository location', metavar='URL')
 group.add_option('--repo-branch',
                  dest='repo_branch',
                  help='repo branch or revision', metavar='REVISION')
 group.add_option('--no-repo-verify',
@@ skipping 118 matching lines @@
 
   if not os.path.isdir(gpg_dir):
     try:
       os.mkdir(gpg_dir, 0700)
     except OSError, e:
       print >>sys.stderr, \
             'fatal: cannot make %s directory: %s' % (
             gpg_dir, e.strerror)
       sys.exit(1)
 
-  env = dict(os.environ)
-  env['GNUPGHOME'] = gpg_dir
+  env = os.environ.copy()
+  env['GNUPGHOME'] = gpg_dir.encode()
 
   cmd = ['gpg', '--import']
   try:
     proc = subprocess.Popen(cmd,
                             env = env,
                             stdin = subprocess.PIPE)
   except OSError, e:
     if not quiet:
       print >>sys.stderr, 'warning: gpg (GnuPG) is not available.'
       print >>sys.stderr, 'warning: Installing it is strongly encouraged.'
@@ skipping 97 matching lines @@
   m = re.compile(r'^(.*)-[0-9]{1,}-g[0-9a-f]{1,}$').match(cur)
   if m:
     cur = m.group(1)
     if not quiet:
       print >>sys.stderr
       print >>sys.stderr, \
         "info: Ignoring branch '%s'; using tagged release '%s'" \
         % (branch, cur)
       print >>sys.stderr
 
-  env = dict(os.environ)
-  env['GNUPGHOME'] = gpg_dir
+  env = os.environ.copy()
+  env['GNUPGHOME'] = gpg_dir.encode()
 
   cmd = [GIT, 'tag', '-v', cur]
   proc = subprocess.Popen(cmd,
                           stdout = subprocess.PIPE,
                           stderr = subprocess.PIPE,
                           cwd = cwd,
                           env = env)
   out = proc.stdout.read()
   proc.stdout.close()
 
@@ skipping 30 matching lines @@
   if subprocess.Popen(cmd, cwd = cwd).wait() != 0:
     raise CloneFailure()
 
 
 def _FindRepo():
   """Look for a repo installation, starting at the current directory.
   """
   dir = os.getcwd()
   repo = None
 
-  while dir != '/' and not repo:
+  olddir = None
+  while dir != '/' \
+    and dir != olddir \
+    and not repo:
     repo = os.path.join(dir, repodir, REPO_MAIN)
     if not os.path.isfile(repo):
       repo = None
+      olddir = dir
       dir = os.path.dirname(dir)
   return (repo, os.path.join(dir, repodir))
 
 
 class _Options:
   help = False
 
 
 def _ParseArguments(args):
   cmd = None
@@ skipping 25 matching lines @@
 
 For access to the full online help, install repo ("repo init").
 """
   sys.exit(1)
 
 
 def _Help(args):
   if args:
     if args[0] == 'init':
       init_optparse.print_help()
+      sys.exit(0)
     else:
       print >>sys.stderr,\
       "error: '%s' is not a bootstrap command.\n"\
       '        For access to online help, install repo ("repo init").'\
       % args[0]
   else:
     _Usage()
   sys.exit(1)
 
 
@@ skipping 93 matching lines @@
     os.execv(main, me)
   except OSError, e:
     print >>sys.stderr, "fatal: unable to start %s" % main
     print >>sys.stderr, "fatal: %s" % e
     sys.exit(148)
 
 
 if __name__ == '__main__':
   main(sys.argv[1:])