# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2014-09-25 04:24:06
# Node ID a92ba36a1a9de50a7c10d20ab5981622d8fa86f2
# Parent  30e0dcd7c5ffd99fb9c2474e9d73ca01a7d292fa

changegroup: add a "packermap" dictionary to track different packer versions

We only have "01" right now, but we should get general delta in soon.
Bundle2 is expected to make use of this to advertise and select the right packer
to use on both sides.

diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -433,6 +433,8 @@ class cg1packer(object):
         # do nothing with basenode, it is implicitly the previous one in HG10
         return struct.pack(self.deltaheader, node, p1n, p2n, linknode)
 
+packermap = {'01': (cg1packer, cg1unpacker)}
+
 def _changegroupinfo(repo, nodes, source):
     if repo.ui.verbose or source == 'bundle':
         repo.ui.status(_("%d changesets found\n") % len(nodes))