--- a/hgext3rd/evolve/cmdrewrite.py	Fri Feb 22 21:01:06 2019 +0530
+++ b/hgext3rd/evolve/cmdrewrite.py	Sun Mar 03 16:29:32 2019 +0100
@@ -1172,6 +1172,10 @@
         rewriteutil.precheck(repo, [rev], action='split')
         tr = repo.transaction('split')
 
+        # make sure we respect the revision current phase while splitting
+        phasestr = ctx.phasestr()
+        if phasestr == 'secret':
+            opts['secret'] = True
         if len(ctx.parents()) > 1:
             raise error.Abort(_("cannot split merge commits"))
         prev = ctx.p1()