# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1537523922 -7200
# Node ID 7f18c7e1e744180cb693a8056089c231384efb3c
# Parent  c4b891fe44c3a4b487b2b2c92b8aada57c4c79aa
amend: handle crash before transaction initialization with --patch

The `tr` object can be None.

diff -r c4b891fe44c3 -r 7f18c7e1e744 hgext3rd/evolve/cmdrewrite.py
--- a/hgext3rd/evolve/cmdrewrite.py	Mon Sep 17 09:25:28 2018 -0700
+++ b/hgext3rd/evolve/cmdrewrite.py	Fri Sep 21 11:58:42 2018 +0200
@@ -182,7 +182,8 @@
         bookmarkupdater(newnode)
         tr.close()
     finally:
-        tr.release()
+        if tr is not None:
+            tr.release()
         lockmod.release(lock, wlock)
 
 def _editandapply(ui, repo, pats, old, p1, fp, diffopts):