--- a/hgext3rd/evolve/cmdrewrite.py	Fri Dec 06 14:01:29 2019 +0100
+++ b/hgext3rd/evolve/cmdrewrite.py	Sun Sep 29 11:47:18 2019 +0530
@@ -128,6 +128,8 @@
     """
     _checknotesize(ui, opts)
     opts = opts.copy()
+    if opts.get('patch') and opts.get('extract'):
+        raise error.Abort(_(b'cannot use both --patch and --extract'))
     if opts.get('patch'):
         return amendpatch(ui, repo, *pats, **opts)
     if opts.get('extract'):