Abstract manifest branch creation from init to the manifest object

This permits the XML style manifest to use 'default', while other
types can use their own creation strategy for the current branch.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/manifest_xml.py b/manifest_xml.py
index 66cdf3e3..45896be9 100644
--- a/manifest_xml.py
+++ b/manifest_xml.py
@@ -169,6 +169,12 @@ class XmlManifest(Manifest):
     self._Load()
     return self._default
 
+  def InitBranch(self):
+    m = self.manifestProject
+    if m.CurrentBranch is None:
+      return m.StartBranch('default')
+    return True
+
   def SetMRefs(self, project):
     if self.branch:
       project._InitAnyMRef(R_M + self.branch)