Update to repo version v1.12.13-cr1

repo

-#!/bin/sh
+#!/usr/bin/env python
 
 ## repo default configuration
 ##
 REPO_URL='https://chromium.googlesource.com/external/repo'
 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, 18)
+VERSION = (1, 21)
 
 # increment this if the MAINTAINER_KEYS block is modified
-KEYRING_VERSION = (1,2)
+KEYRING_VERSION = (1, 3)
 MAINTAINER_KEYS = """
 
      Repo Maintainer <repo@android.kernel.org>
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 Version: GnuPG v1.4.2.2 (GNU/Linux)
 
 mQGiBEj3ugERBACrLJh/ZPyVSKeClMuznFIrsQ+hpNnmJGw1a9GXKYKk8qHPhAZf
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@@ skipping 28 matching lines @@
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 TACbBS+Up3RpfYVfd63c1cDdlru13pQAn3NQy/SN858MkxN+zym86UBgOad2
 =CMiZ
 -----END PGP PUBLIC KEY BLOCK-----
 
      Conley Owens <cco3@android.com>
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
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++H/g3HsL2LOB9uoIm8/5p2TTU5ttYCXMHhQZ81AY
+=AUp4
 -----END PGP PUBLIC KEY BLOCK-----
 
      Stefan Zager <szager@chromium.org>
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 mQINBFIJOcgBEADwZIq4GRGoO1RJFKlrtVK501cwT5H+Acbizc9N5RxTkFmqxDjb
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@@ skipping 15 matching lines @@
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 =Vd2S
 -----END PGP PUBLIC KEY BLOCK-----
 """
 
 GIT = 'git'                     # our git command
-MIN_GIT_VERSION = (1, 5, 4)     # minimum supported git version
+MIN_GIT_VERSION = (1, 7, 2)     # minimum supported git version
 repodir = '.repo'               # name of repo's private directory
 S_repo = 'repo'                 # special repo repository
 S_manifests = 'manifests'       # special manifest repository
 REPO_MAIN = S_repo + '/main.py' # main script
+MIN_PYTHON_VERSION = (2, 6)     # minimum supported python version
 
 
+import errno
 import optparse
 import os
 import re
+import stat
 import subprocess
 import sys
-import urllib2
+
+if sys.version_info[0] == 3:
+  import urllib.request
+  import urllib.error
+else:
+  import imp
+  import urllib2
+  urllib = imp.new_module('urllib')
+  urllib.request = urllib2
+  urllib.error = urllib2
+
+
+def _print(*objects, **kwargs):
+  sep = kwargs.get('sep', ' ')
+  end = kwargs.get('end', '\n')
+  out = kwargs.get('file', sys.stdout)
+  out.write(sep.join(objects) + end)
+
+
+# Python version check
+ver = sys.version_info
+if ver[0] == 3:
+  _print('warning: Python 3 support is currently experimental. YMMV.\n'
+         'Please use Python 2.6 - 2.7 instead.',
+         file=sys.stderr)
+if (ver[0], ver[1]) < MIN_PYTHON_VERSION:
+  _print('error: Python version %s unsupported.\n'
+         'Please use Python 2.6 - 2.7 instead.'
+         % sys.version.split(' ')[0], file=sys.stderr)
+  sys.exit(1)
 
 home_dot_repo = os.path.expanduser('~/.repoconfig')
 gpg_dir = os.path.join(home_dot_repo, 'gnupg')
 
 extra_args = []
 init_optparse = optparse.OptionParser(usage="repo init -u url [options]")
 
 # Logging
 group = init_optparse.add_option_group('Logging options')
 group.add_option('-q', '--quiet',
                  dest="quiet", action="store_true", default=False,
                  help="be quiet")
 
 # Manifest
 group = init_optparse.add_option_group('Manifest options')
 group.add_option('-u', '--manifest-url',
                  dest='manifest_url',
                  help='manifest repository location', metavar='URL')
 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', metavar='NAME.xml')
 group.add_option('--mirror',
                  dest='mirror', action='store_true',
-                 help='mirror the forrest')
+                 help='create a replica of the remote repositories '
+                      'rather than a client working directory')
 group.add_option('--reference',
                  dest='reference',
                  help='location of mirror directory', metavar='DIR')
 group.add_option('--depth', type='int', default=None,
                  dest='depth',
                  help='create a shallow clone with given depth; see git clone')
+group.add_option('--archive',
+                 dest='archive', action='store_true',
+                 help='checkout an archive instead of a git repository for '
+                      'each project. See git archive.')
 group.add_option('-g', '--groups',
                  dest='groups', default='default',
-                 help='restrict manifest projects to ones with a specified group',
+                 help='restrict manifest projects to ones with specified '
+                      'group(s) [default|all|G1,G2,G3|G4,-G5,-G6]',
                  metavar='GROUP')
 group.add_option('-p', '--platform',
                  dest='platform', default="auto",
                  help='restrict manifest projects to ones with a specified '
                       'platform group [auto|all|none|linux|darwin|...]',
                  metavar='PLATFORM')
 
 
 # Tool
 group = init_optparse.add_option_group('repo Version options')
@@ skipping 32 matching lines @@
     extra_args.append('--repo-url=%s' % url)
 
   branch = opt.repo_branch
   if not branch:
     branch = REPO_REV
     extra_args.append('--repo-branch=%s' % branch)
 
   if branch.startswith('refs/heads/'):
     branch = branch[len('refs/heads/'):]
   if branch.startswith('refs/'):
-    print >>sys.stderr, "fatal: invalid branch name '%s'" % branch
+    _print("fatal: invalid branch name '%s'" % branch, file=sys.stderr)
     raise CloneFailure()
 
-  if not os.path.isdir(repodir):
-    try:
-      os.mkdir(repodir)
-    except OSError as e:
-      print >>sys.stderr, \
-            'fatal: cannot make %s directory: %s' % (
-            repodir, e.strerror)
-      # Don't faise CloneFailure; that would delete the
+  try:
+    os.mkdir(repodir)
+  except OSError as e:
+    if e.errno != errno.EEXIST:
+      _print('fatal: cannot make %s directory: %s'
+             % (repodir, e.strerror), file=sys.stderr)
+      # Don't raise CloneFailure; that would delete the
       # name. Instead exit immediately.
       #
       sys.exit(1)
 
   _CheckGitVersion()
   try:
     if NeedSetupGnuPG():
       can_verify = SetupGnuPG(opt.quiet)
     else:
       can_verify = True
 
     dst = os.path.abspath(os.path.join(repodir, S_repo))
     _Clone(url, dst, opt.quiet)
 
     if can_verify and not opt.no_repo_verify:
       rev = _Verify(dst, branch, opt.quiet)
     else:
       rev = 'refs/remotes/origin/%s^0' % branch
 
     _Checkout(dst, branch, rev, opt.quiet)
   except CloneFailure:
     if opt.quiet:
-      print >>sys.stderr, \
-        'fatal: repo init failed; run without --quiet to see why'
+      _print('fatal: repo init failed; run without --quiet to see why',
+             file=sys.stderr)
     raise
 
 
+def ParseGitVersion(ver_str):
+  if not ver_str.startswith('git version '):
+    return None
+
+  num_ver_str = ver_str[len('git version '):].strip().split('-')[0]
+  to_tuple = []
+  for num_str in num_ver_str.split('.')[:3]:
+    if num_str.isdigit():
+      to_tuple.append(int(num_str))
+    else:
+      to_tuple.append(0)
+  return tuple(to_tuple)
+
+
 def _CheckGitVersion():
   cmd = [GIT, '--version']
   try:
     proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
   except OSError as e:
-    print >>sys.stderr
-    print >>sys.stderr, "fatal: '%s' is not available" % GIT
-    print >>sys.stderr, 'fatal: %s' % e
-    print >>sys.stderr
-    print >>sys.stderr, 'Please make sure %s is installed'\
-                        ' and in your path.' % GIT
+    _print(file=sys.stderr)
+    _print("fatal: '%s' is not available" % GIT, file=sys.stderr)
+    _print('fatal: %s' % e, file=sys.stderr)
+    _print(file=sys.stderr)
+    _print('Please make sure %s is installed and in your path.' % GIT,
+           file=sys.stderr)
     raise CloneFailure()
 
   ver_str = proc.stdout.read().strip()
   proc.stdout.close()
   proc.wait()
 
-  if not ver_str.startswith('git version '):
-    print >>sys.stderr, 'error: "%s" unsupported' % ver_str
+  ver_act = ParseGitVersion(ver_str)
+  if ver_act is None:
+    _print('error: "%s" unsupported' % ver_str, file=sys.stderr)
     raise CloneFailure()
 
-  ver_str = ver_str[len('git version '):].strip()
-  ver_act = tuple(map(lambda x: int(x), ver_str.split('.')[0:3]))
   if ver_act < MIN_GIT_VERSION:
-    need = '.'.join(map(lambda x: str(x), MIN_GIT_VERSION))
-    print >>sys.stderr, 'fatal: git %s or later required' % need
+    need = '.'.join(map(str, MIN_GIT_VERSION))
+    _print('fatal: git %s or later required' % need, file=sys.stderr)
     raise CloneFailure()
 
 
 def NeedSetupGnuPG():
   if not os.path.isdir(home_dot_repo):
     return True
 
   kv = os.path.join(home_dot_repo, 'keyring-version')
   if not os.path.exists(kv):
     return True
 
   kv = open(kv).read()
   if not kv:
     return True
 
-  kv = tuple(map(lambda x: int(x), kv.split('.')))
+  kv = tuple(map(int, kv.split('.')))
   if kv < KEYRING_VERSION:
     return True
   return False
 
 
 def SetupGnuPG(quiet):
-  if not os.path.isdir(home_dot_repo):
-    try:
-      os.mkdir(home_dot_repo)
-    except OSError as e:
-      print >>sys.stderr, \
-            'fatal: cannot make %s directory: %s' % (
-            home_dot_repo, e.strerror)
+  try:
+    os.mkdir(home_dot_repo)
+  except OSError as e:
+    if e.errno != errno.EEXIST:
+      _print('fatal: cannot make %s directory: %s'
+             % (home_dot_repo, e.strerror), file=sys.stderr)
       sys.exit(1)
 
-  if not os.path.isdir(gpg_dir):
-    try:
-      os.mkdir(gpg_dir, 0700)
-    except OSError as e:
-      print >>sys.stderr, \
-            'fatal: cannot make %s directory: %s' % (
-            gpg_dir, e.strerror)
+  try:
+    os.mkdir(gpg_dir, stat.S_IRWXU)
+  except OSError as e:
+    if e.errno != errno.EEXIST:
+      _print('fatal: cannot make %s directory: %s' % (gpg_dir, e.strerror),
+             file=sys.stderr)
       sys.exit(1)
 
   env = os.environ.copy()
   env['GNUPGHOME'] = gpg_dir.encode()
 
   cmd = ['gpg', '--import']
   try:
     proc = subprocess.Popen(cmd,
                             env = env,
                             stdin = subprocess.PIPE)
   except OSError as e:
     if not quiet:
-      print >>sys.stderr, 'warning: gpg (GnuPG) is not available.'
-      print >>sys.stderr, 'warning: Installing it is strongly encouraged.'
-      print >>sys.stderr
+      _print('warning: gpg (GnuPG) is not available.', file=sys.stderr)
+      _print('warning: Installing it is strongly encouraged.', file=sys.stderr)
+      _print(file=sys.stderr)
     return False
 
   proc.stdin.write(MAINTAINER_KEYS)
   proc.stdin.close()
 
   if proc.wait() != 0:
-    print >>sys.stderr, 'fatal: registering repo maintainer keys failed'
+    _print('fatal: registering repo maintainer keys failed', file=sys.stderr)
     sys.exit(1)
-  print
+  _print()
 
   fd = open(os.path.join(home_dot_repo, 'keyring-version'), 'w')
-  fd.write('.'.join(map(lambda x: str(x), KEYRING_VERSION)) + '\n')
+  fd.write('.'.join(map(str, KEYRING_VERSION)) + '\n')
   fd.close()
   return True
 
 
 def _SetConfig(local, name, value):
   """Set a git configuration option to the specified value.
   """
   cmd = [GIT, 'config', name, value]
   if subprocess.Popen(cmd, cwd = local).wait() != 0:
     raise CloneFailure()
 
 
 def _InitHttp():
   handlers = []
 
-  mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
+  mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
   try:
     import netrc
     n = netrc.netrc()
     for host in n.hosts:
       p = n.hosts[host]
       mgr.add_password(p[1], 'http://%s/'  % host, p[0], p[2])
       mgr.add_password(p[1], 'https://%s/' % host, p[0], p[2])
   except:
     pass
-  handlers.append(urllib2.HTTPBasicAuthHandler(mgr))
-  handlers.append(urllib2.HTTPDigestAuthHandler(mgr))
+  handlers.append(urllib.request.HTTPBasicAuthHandler(mgr))
+  handlers.append(urllib.request.HTTPDigestAuthHandler(mgr))
 
   if 'http_proxy' in os.environ:
     url = os.environ['http_proxy']
-    handlers.append(urllib2.ProxyHandler({'http': url, 'https': url}))
+    handlers.append(urllib.request.ProxyHandler({'http': url, 'https': url}))
   if 'REPO_CURL_VERBOSE' in os.environ:
-    handlers.append(urllib2.HTTPHandler(debuglevel=1))
-    handlers.append(urllib2.HTTPSHandler(debuglevel=1))
-  urllib2.install_opener(urllib2.build_opener(*handlers))
+    handlers.append(urllib.request.HTTPHandler(debuglevel=1))
+    handlers.append(urllib.request.HTTPSHandler(debuglevel=1))
+  urllib.request.install_opener(urllib.request.build_opener(*handlers))
 
 def _Fetch(url, local, src, quiet):
   if not quiet:
-    print >>sys.stderr, 'Get %s' % url
+    _print('Get %s' % url, file=sys.stderr)
 
   cmd = [GIT, 'fetch']
   if quiet:
     cmd.append('--quiet')
     err = subprocess.PIPE
   else:
     err = None
   cmd.append(src)
   cmd.append('+refs/heads/*:refs/remotes/origin/*')
   cmd.append('refs/tags/*:refs/tags/*')
@@ skipping 24 matching lines @@
         break
   proc.stdout.close()
   proc.wait()
 
   if not url.startswith('http:') and not url.startswith('https:'):
     return False
 
   dest = open(os.path.join(local, '.git', 'clone.bundle'), 'w+b')
   try:
     try:
-      r = urllib2.urlopen(url)
-    except urllib2.HTTPError as e:
-      if e.code == 404:
+      r = urllib.request.urlopen(url)
+    except urllib.error.HTTPError as e:
+      if e.code in [403, 404]:
         return False
-      print >>sys.stderr, 'fatal: Cannot get %s' % url
-      print >>sys.stderr, 'fatal: HTTP error %s' % e.code
+      _print('fatal: Cannot get %s' % url, file=sys.stderr)
+      _print('fatal: HTTP error %s' % e.code, file=sys.stderr)
       raise CloneFailure()
-    except urllib2.URLError as e:
-      print >>sys.stderr, 'fatal: Cannot get %s' % url
-      print >>sys.stderr, 'fatal: error %s' % e.reason
+    except urllib.error.URLError as e:
+      _print('fatal: Cannot get %s' % url, file=sys.stderr)
+      _print('fatal: error %s' % e.reason, file=sys.stderr)
       raise CloneFailure()
     try:
       if not quiet:
-        print >>sys.stderr, 'Get %s' % url
+        _print('Get %s' % url, file=sys.stderr)
       while True:
         buf = r.read(8192)
         if buf == '':
           return True
         dest.write(buf)
     finally:
       r.close()
   finally:
     dest.close()
 
 def _ImportBundle(local):
   path = os.path.join(local, '.git', 'clone.bundle')
   try:
     _Fetch(local, local, path, True)
   finally:
     os.remove(path)
 
 def _Clone(url, local, quiet):
   """Clones a git repository to a new subdirectory of repodir
   """
   try:
     os.mkdir(local)
   except OSError as e:
-    print >>sys.stderr, \
-          'fatal: cannot make %s directory: %s' \
-          % (local, e.strerror)
+    _print('fatal: cannot make %s directory: %s' % (local, e.strerror),
+           file=sys.stderr)
     raise CloneFailure()
 
   cmd = [GIT, 'init', '--quiet']
   try:
     proc = subprocess.Popen(cmd, cwd = local)
   except OSError as e:
-    print >>sys.stderr
-    print >>sys.stderr, "fatal: '%s' is not available" % GIT
-    print >>sys.stderr, 'fatal: %s' % e
-    print >>sys.stderr
-    print >>sys.stderr, 'Please make sure %s is installed'\
-                        ' and in your path.' % GIT
+    _print(file=sys.stderr)
+    _print("fatal: '%s' is not available" % GIT, file=sys.stderr)
+    _print('fatal: %s' % e, file=sys.stderr)
+    _print(file=sys.stderr)
+    _print('Please make sure %s is installed and in your path.' % GIT,
+          file=sys.stderr)
     raise CloneFailure()
   if proc.wait() != 0:
-    print >>sys.stderr, 'fatal: could not create %s' % local
+    _print('fatal: could not create %s' % local, file=sys.stderr)
     raise CloneFailure()
 
   _InitHttp()
   _SetConfig(local, 'remote.origin.url', url)
   _SetConfig(local, 'remote.origin.fetch',
                     '+refs/heads/*:refs/remotes/origin/*')
   if _DownloadBundle(url, local, quiet):
     _ImportBundle(local)
   else:
     _Fetch(url, local, 'origin', quiet)
 
 
 def _Verify(cwd, branch, quiet):
   """Verify the branch has been signed by a tag.
   """
   cmd = [GIT, 'describe', 'origin/%s' % branch]
   proc = subprocess.Popen(cmd,
                           stdout=subprocess.PIPE,
                           stderr=subprocess.PIPE,
                           cwd = cwd)
   cur = proc.stdout.read().strip()
   proc.stdout.close()
 
   proc.stderr.read()
   proc.stderr.close()
 
   if proc.wait() != 0 or not cur:
-    print >>sys.stderr
-    print >>sys.stderr,\
-      "fatal: branch '%s' has not been signed" \
-      % branch
+    _print(file=sys.stderr)
+    _print("fatal: branch '%s' has not been signed" % branch, file=sys.stderr)
     raise CloneFailure()
 
   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
+      _print(file=sys.stderr)
+      _print("info: Ignoring branch '%s'; using tagged release '%s'"
+            % (branch, cur), file=sys.stderr)
+      _print(file=sys.stderr)
 
   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()
 
   err = proc.stderr.read()
   proc.stderr.close()
 
   if proc.wait() != 0:
-    print >>sys.stderr
-    print >>sys.stderr, out
-    print >>sys.stderr, err
-    print >>sys.stderr
+    _print(file=sys.stderr)
+    _print(out, file=sys.stderr)
+    _print(err, file=sys.stderr)
+    _print(file=sys.stderr)
     raise CloneFailure()
   return '%s^0' % cur
 
 
 def _Checkout(cwd, branch, rev, quiet):
   """Checkout an upstream branch into the repository and track it.
   """
   cmd = [GIT, 'update-ref', 'refs/heads/default', rev]
   if subprocess.Popen(cmd, cwd = cwd).wait() != 0:
     raise CloneFailure()
@@ skipping 33 matching lines @@
 
 class _Options:
   help = False
 
 
 def _ParseArguments(args):
   cmd = None
   opt = _Options()
   arg = []
 
-  for i in xrange(0, len(args)):
+  for i in range(len(args)):
     a = args[i]
     if a == '-h' or a == '--help':
       opt.help = True
 
     elif not a.startswith('-'):
       cmd = a
       arg = args[i + 1:]
       break
   return cmd, opt, arg
 
 
 def _Usage():
-  print >>sys.stderr,\
+  _print(
 """usage: repo COMMAND [ARGS]
 
 repo is not yet installed.  Use "repo init" to install it here.
 
 The most commonly used repo commands are:
 
   init      Install repo in the current working directory
   help      Display detailed help on a command
 
 For access to the full online help, install repo ("repo init").
-"""
+""", file=sys.stderr)
   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]
+      _print("error: '%s' is not a bootstrap command.\n"
+             '        For access to online help, install repo ("repo init").'
+             % args[0], file=sys.stderr)
   else:
     _Usage()
   sys.exit(1)
 
 
 def _NotInstalled():
-  print >>sys.stderr,\
-'error: repo is not installed.  Use "repo init" to install it here.'
+  _print('error: repo is not installed.  Use "repo init" to install it here.',
+         file=sys.stderr)
   sys.exit(1)
 
 
 def _NoCommands(cmd):
-  print >>sys.stderr,\
-"""error: command '%s' requires repo to be installed first.
-       Use "repo init" to install it here.""" % cmd
+  _print("""error: command '%s' requires repo to be installed first.
+         Use "repo init" to install it here.""" % cmd, file=sys.stderr)
   sys.exit(1)
 
 
 def _RunSelf(wrapper_path):
   my_dir = os.path.dirname(wrapper_path)
   my_main = os.path.join(my_dir, 'main.py')
   my_git = os.path.join(my_dir, '.git')
 
   if os.path.isfile(my_main) and os.path.isdir(my_git):
     for name in ['git_config.py',
@@ skipping 16 matching lines @@
                            'HEAD'],
                           stdout = subprocess.PIPE,
                           stderr = subprocess.PIPE)
   REPO_REV = proc.stdout.read().strip()
   proc.stdout.close()
 
   proc.stderr.read()
   proc.stderr.close()
 
   if proc.wait() != 0:
-    print >>sys.stderr, 'fatal: %s has no current branch' % gitdir
+    _print('fatal: %s has no current branch' % gitdir, file=sys.stderr)
     sys.exit(1)
 
 
 def main(orig_args):
   repo_main, rel_repo_dir = _FindRepo()
   cmd, opt, args = _ParseArguments(orig_args)
 
   wrapper_path = os.path.abspath(__file__)
   my_main, my_git = _RunSelf(wrapper_path)
 
@@ skipping 20 matching lines @@
       repo_main, rel_repo_dir = _FindRepo()
     else:
       _NoCommands(cmd)
 
   if cmd == 'sync' and NeedSetupGnuPG():
     SetupGnuPG(False)
 
   if my_main:
     repo_main = my_main
 
-  ver_str = '.'.join(map(lambda x: str(x), VERSION))
-  me = [repo_main,
+  ver_str = '.'.join(map(str, VERSION))
+  me = [sys.executable, repo_main,
         '--repo-dir=%s' % rel_repo_dir,
         '--wrapper-version=%s' % ver_str,
         '--wrapper-path=%s' % wrapper_path,
         '--']
   me.extend(orig_args)
   me.extend(extra_args)
   try:
-    os.execv(repo_main, me)
+    os.execv(sys.executable, me)
   except OSError as e:
-    print >>sys.stderr, "fatal: unable to start %s" % repo_main
-    print >>sys.stderr, "fatal: %s" % e
+    _print("fatal: unable to start %s" % repo_main, file=sys.stderr)
+    _print("fatal: %s" % e, file=sys.stderr)
     sys.exit(148)
 
 
 if __name__ == '__main__':
   main(sys.argv[1:])