# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2014-09-25 04:28:54
# Node ID e4dc2b0be056bc1f5a8cd650eeed59ea684b91fc
# Parent  a92ba36a1a9de50a7c10d20ab5981622d8fa86f2

bundle2caps: advertise the available versions for changegroup packer

This will let the bundle2 client and server detect what packer they should be using.

This detection part is not done. I expect it to be done with the addition of the
second packer (with generaldelta support).

diff --git a/mercurial/bundle2.py b/mercurial/bundle2.py
--- a/mercurial/bundle2.py
+++ b/mercurial/bundle2.py
@@ -882,6 +882,7 @@ def getrepocaps(repo):
     Exists to allow extensions (like evolution) to mutate the capabilities.
     """
     caps = capabilities.copy()
+    caps['b2x:changegroup'] = tuple(sorted(changegroup.packermap.keys()))
     if obsolete.isenabled(repo, obsolete.exchangeopt):
         supportedformat = tuple('V%i' % v for v in obsolete.formats)
         caps['b2x:obsmarkers'] = supportedformat