Refactor Manifest to be XmlManifest

We'll soon be supporting two different manifest formats, but we
can't immediately remove support for the current XML one that is
in wide spread use within Android.

Signed-off-by: Shawn O. Pearce <sop@google.com>

main.py

@@ -36,7 +36,7 @@ from editor import Editor
 from error import ManifestInvalidRevisionError
 from error import NoSuchProjectError
 from error import RepoChangedException
-from manifest import Manifest
+from manifest_xml import XmlManifest
 from pager import RunPager
 
 from subcmds import all as all_commands
@@ -97,7 +97,7 @@ class _Repo(object):
       sys.exit(1)
 
     cmd.repodir = self.repodir
-    cmd.manifest = Manifest(cmd.repodir)
+    cmd.manifest = XmlManifest(cmd.repodir)
     Editor.globalConfig = cmd.manifest.globalConfig
 
     if not isinstance(cmd, MirrorSafeCommand) and cmd.manifest.IsMirror:

manifest_xml.py

@@ -32,7 +32,7 @@ class _Default(object):
   remote = None
 
 
-class Manifest(object):
+class XmlManifest(object):
   """manages the repo configuration file"""
 
   def __init__(self, repodir):

repo

@@ -505,7 +505,7 @@ def _RunSelf(wrapper_path):
   my_git = os.path.join(my_dir, '.git')
 
   if os.path.isfile(my_main) and os.path.isdir(my_git):
-    for name in ['manifest.py',
+    for name in ['git_config.py',
                  'project.py',
                  'subcmds']:
       if not os.path.exists(os.path.join(my_dir, name)):