repo: update to v1.12.17-cr1

We've synced our fork of repo to upstream. This change copies the new
version into depot_tools.

BUG=chromium:632203
TEST=`repo sync` still works
TEST=`repo sync` with a tag signed by me works
TEST=`repo init` with my tag is accepted

Review-Url: https://codereview.chromium.org/2340073002

repo

@@ -23,7 +23,7 @@ REPO_REV='stable'
 VERSION = (1, 21)
 
 # increment this if the MAINTAINER_KEYS block is modified
-KEYRING_VERSION = (1, 4)
+KEYRING_VERSION = (1, 5)
 MAINTAINER_KEYS = """
 
      Repo Maintainer <repo@android.kernel.org>
@@ -183,6 +183,48 @@ qanHjtbgNmkz+JpvJ9CTEEo69tkcbmOaCNwCWQL+Doqqi7tWMYUbAw0Rk+lOSu/N
 j8zzwdwkRpt3SSvqzh3+L3Zq8xeb2M6u/QLz4aLFTR7yQJed0DJFUcISii9ccJr/
 IM4=
 =6VNc
+-----END PGP PUBLIC KEY BLOCK-----
+
+     Mike Frysinger <vapier@chromium.org>
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1
+
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+=i88c
 -----END PGP PUBLIC KEY BLOCK-----
 """
 
@@ -199,6 +241,7 @@ import errno
 import optparse
 import os
 import re
+import shutil
 import stat
 import subprocess
 import sys
@@ -223,17 +266,13 @@ def _print(*objects, **kwargs):
 
 # 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(os.path.join('~','.repoconfig'))
+home_dot_repo = os.path.expanduser('~/.repoconfig')
 gpg_dir = os.path.join(home_dot_repo, 'gnupg')
 
 extra_args = []
@@ -826,12 +865,7 @@ def main(orig_args):
       try:
         _Init(args)
       except CloneFailure:
-        for root, dirs, files in os.walk(repodir, topdown=False):
-          for name in files:
-            os.remove(os.path.join(root, name))
-          for name in dirs:
-            os.rmdir(os.path.join(root, name))
-        os.rmdir(repodir)
+        shutil.rmtree(os.path.join(repodir, S_repo), ignore_errors=True)
         sys.exit(1)
       repo_main, rel_repo_dir = _FindRepo()
     else:
@@ -860,4 +894,8 @@ def main(orig_args):
 
 
 if __name__ == '__main__':
+  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)
   main(sys.argv[1:])