# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2014-10-14 08:27:25
# Node ID 4df9b5e62f702e74ed688ea0e5aa94057ac337c4
# Parent  90c425f80316ef95c2b168c08c00de2efd43c912

bundle2: add a comment about addchangegroup source and url

diff --git a/mercurial/bundle2.py b/mercurial/bundle2.py
--- a/mercurial/bundle2.py
+++ b/mercurial/bundle2.py
@@ -821,6 +821,8 @@ def handlechangegroup(op, inpart):
     # for the whole processing scope.
     op.gettransaction()
     cg = changegroup.cg1unpacker(inpart, 'UN')
+    # the source and url passed here are overwritten by the one contained in
+    # the transaction.hookargs argument. So 'bundle2' is a placeholder
     ret = changegroup.addchangegroup(op.repo, cg, 'bundle2', 'bundle2')
     op.records.add('changegroup', {'return': ret})
     if op.reply is not None: