sync: Support upgrading manifest formats

If the manifest format changes during init or sync we need to do
a full reparse of the manifest, and possibly allow the new object
to reconfigure the local workspace to match its expectations.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/subcmds/init.py b/subcmds/init.py
index 53c3a010..b5207fbf 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -22,6 +22,7 @@ from error import ManifestParseError
 from project import SyncBuffer
 from git_command import git_require, MIN_GIT_VERSION
 from manifest_xml import XmlManifest
+from subcmds.sync import _ReloadManifest
 
 class Init(InteractiveCommand, MirrorSafeCommand):
   common = True
@@ -143,9 +144,17 @@ to update the working directory files.
       print >>sys.stderr, 'fatal: cannot obtain manifest %s' % r.url
       sys.exit(1)
 
+    if not is_new:
+      # Force the manifest to load if it exists, the old graph
+      # may be needed inside of _ReloadManifest().
+      #
+      self.manifest.projects
+
     syncbuf = SyncBuffer(m.config)
     m.Sync_LocalHalf(syncbuf)
     syncbuf.Finish()
+    _ReloadManifest(self)
+    self._ApplyOptions(opt, is_new)
 
     if not self.manifest.InitBranch():
       print >>sys.stderr, 'fatal: cannot create branch in manifest'