init: Add --no-clone-bundle option

Bug: Issue 218
Change-Id: I42ba1f5fb9168875da0df6bdf4fe44c8d6498d54

repo

@@ -196,6 +196,9 @@ group.add_option('-p', '--platform',
                  help='restrict manifest projects to ones with a specified '
                       'platform group [auto|all|none|linux|darwin|...]',
                  metavar='PLATFORM')
+group.add_option('--no-clone-bundle',
+                 dest='no_clone_bundle', action='store_true',
+                 help='disable use of /clone.bundle on HTTP/HTTPS')
 
 
 # Tool
@@ -339,7 +342,7 @@ def _Init(args, gitc_init=False):
       can_verify = True
 
     dst = os.path.abspath(os.path.join(repodir, S_repo))
-    _Clone(url, dst, opt.quiet)
+    _Clone(url, dst, opt.quiet, not opt.no_clone_bundle)
 
     if can_verify and not opt.no_repo_verify:
       rev = _Verify(dst, branch, opt.quiet)
@@ -577,7 +580,7 @@ def _ImportBundle(local):
     os.remove(path)
 
 
-def _Clone(url, local, quiet):
+def _Clone(url, local, quiet, clone_bundle):
   """Clones a git repository to a new subdirectory of repodir
   """
   try:
@@ -607,7 +610,7 @@ def _Clone(url, local, quiet):
   _SetConfig(local,
              'remote.origin.fetch',
              '+refs/heads/*:refs/remotes/origin/*')
-  if _DownloadBundle(url, local, quiet):
+  if clone_bundle and _DownloadBundle(url, local, quiet):
     _ImportBundle(local)
   _Fetch(url, local, 'origin', quiet)