durham created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  Previously this check happened in the changegroup code itself. Since it's
  refactor, this logic needs to move out to callers that care about it, such as
  this one. Otherwise we get empty bundle devel-warnings in certain extensions.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D690

AFFECTED FILES
  mercurial/exchange.py

CHANGE DETAILS

diff --git a/mercurial/exchange.py b/mercurial/exchange.py
--- a/mercurial/exchange.py
+++ b/mercurial/exchange.py
@@ -1632,8 +1632,9 @@
                 raise ValueError(_('no common changegroup version'))
             version = max(cgversions)
         outgoing = _computeoutgoing(repo, heads, common)
-        cgstream = changegroup.makestream(repo, outgoing, version, source,
-                                          bundlecaps=bundlecaps)
+        if outgoing.missing:
+            cgstream = changegroup.makestream(repo, outgoing, version, source,
+                                              bundlecaps=bundlecaps)
 
     if cgstream:
         part = bundler.newpart('changegroup', data=cgstream)



To: durham, #hg-reviewers
Cc: mercurial-devel
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