# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2023-03-02 13:45:39
# Node ID 798e4314ddd9ec5610f619785e0e670d30dd6394
# Parent  e27a5a0123231addb3c1794d0b58f4cebe5c2cad

branch: pass current transaction when writing branch in import

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -2031,7 +2031,9 @@ def tryimportone(ui, repo, patchdata, pa
             repo.setparents(p1.node(), p2.node())
 
         if opts.get(b'exact') or importbranch:
-            repo.dirstate.setbranch(branch or b'default')
+            repo.dirstate.setbranch(
+                branch or b'default', repo.currenttransaction()
+            )
 
         partial = opts.get(b'partial', False)
         files = set()