Support detached HEAD in manifest repository
If the manifest repository is on a detached HEAD and we are parsing
an XML formatted manifest we should simply set the branch property
to None, rather than crash with an AttributeError.
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/manifest_xml.py b/manifest_xml.py
index 51e653e..7d02f9d 100644
--- a/manifest_xml.py
+++ b/manifest_xml.py
@@ -183,7 +183,7 @@
if not self._loaded:
m = self.manifestProject
b = m.GetBranch(m.CurrentBranch).merge
- if b.startswith(R_HEADS):
+ if b is not None and b.startswith(R_HEADS):
b = b[len(R_HEADS):]
self.branch = b
