# HG changeset patch
# User Augie Fackler <raf@durin42.com>
# Date 1418269638 18000
# Node ID c791efb7082a01ec9596d65cae47b9fdd499eb6a
# Parent  2ae577a4cd56e80f67fbb57f03345ff92ecdbdf5# Parent  b5520673f6f243a511070d45e6c63ead2f3e135c
Merge with stable.

diff --git a/hgsubversion/wrappers.py b/hgsubversion/wrappers.py
--- a/hgsubversion/wrappers.py
+++ b/hgsubversion/wrappers.py
@@ -521,13 +521,23 @@ def pull(repo, source, heads=[], force=F
 def exchangepull(orig, repo, remote, heads=None, force=False, bookmarks=()):
     capable = getattr(remote, 'capable', lambda x: False)
     if capable('subversion'):
+        # transaction manager is present in Mercurial >= 3.3
+        try:
+            trmanager = getattr(exchange, 'transactionmanager')
+        except AttributeError:
+            trmanager = None
         pullop = exchange.pulloperation(repo, remote, heads, force,
                                         bookmarks=bookmarks)
+        if trmanager:
+            pullop.trmanager = trmanager(repo, 'pull', remote.url())
         try:
             pullop.cgresult = pull(repo, remote, heads, force)
             return pullop
         finally:
-            pullop.releasetransaction()
+            if trmanager:
+                pullop.trmanager.release()
+            else:
+                pullop.releasetransaction()
     else:
         return orig(repo, remote, heads, force, bookmarks=bookmarks)