diff -r cc497780eaf9 -r e530cde6d115 mercurial/exchange.py
--- a/mercurial/exchange.py	Tue Feb 03 15:01:43 2015 -0500
+++ b/mercurial/exchange.py	Tue Apr 28 17:38:02 2015 -0700
@@ -1285,6 +1285,11 @@
     # need a transaction when processing a bundle2 stream
     wlock = lock = tr = None
     recordout = None
+    # quick fix for output mismatch with bundle2 in 3.4
+    captureoutput = repo.ui.configbool('experimental', 'bundle2-output-capture',
+                                       False)
+    if url.startswith('remote:http:') or url.startswith('remote:https:'):
+        captureoutput = True
     try:
         check_heads(repo, heads, 'uploading changes')
         # push can proceed
@@ -1297,19 +1302,20 @@
                 tr.hookargs['source'] = source
                 tr.hookargs['url'] = url
                 tr.hookargs['bundle2'] = '1'
-                op = bundle2.bundleoperation(repo, lambda: tr)
+                op = bundle2.bundleoperation(repo, lambda: tr,
+                                             captureoutput=captureoutput)
                 try:
                     r = bundle2.processbundle(repo, cg, op=op)
                 finally:
                     r = op.reply
-                    if r is not None:
+                    if captureoutput and r is not None:
                         repo.ui.pushbuffer(error=True, subproc=True)
                         def recordout(output):
                             r.newpart('output', data=output, mandatory=False)
                 tr.close()
             except Exception, exc:
                 exc.duringunbundle2 = True
-                if r is not None:
+                if captureoutput and r is not None:
                     parts = exc._bundle2salvagedoutput = r.salvageoutput()
                     def recordout(output):
                         part = bundle2.bundlepart('output', data=output,