# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1500847270 -7200
# Node ID 0f167320f90f03f37fd02fa88c82a7e5698de036
# Parent  9e363e8c1c0665b0213669af8fbe21172a502f83
split: compute revision to split after locking

This would avoid strange behavior from race condition.

diff -r 9e363e8c1c06 -r 0f167320f90f hgext3rd/evolve/cmdrewrite.py
--- a/hgext3rd/evolve/cmdrewrite.py	Sun Jul 23 20:25:26 2017 +0200
+++ b/hgext3rd/evolve/cmdrewrite.py	Mon Jul 24 00:01:10 2017 +0200
@@ -776,10 +776,10 @@
         hnt = _("use either `hg split <rs>` or `hg split --rev <rs>`, not both")
         raise error.Abort(msg, hint=hnt)
 
-    rev = scmutil.revsingle(repo, revarg[0])
     try:
         wlock = repo.wlock()
         lock = repo.lock()
+        rev = scmutil.revsingle(repo, revarg[0])
         cmdutil.bailifchanged(repo)
         tr = repo.transaction('split')
         ctx = repo[rev]