On '!', drop into a proper ksh(1) instead of a limited sh(1) lacking

arithmetic expression `(( ... ))' and more.

OK deraadt

diff --git a/distrib/miniroot/install.sub b/distrib/miniroot/install.sub
index ebd6332..701b5df 100644 (file)
--- a/distrib/miniroot/install.sub
+++ b/distrib/miniroot/install.sub
@@ -1,5 +1,5 @@
 #!/bin/ksh
-#      $OpenBSD: install.sub,v 1.1218 2022/12/23 00:40:58 afresh1 Exp $
+#      $OpenBSD: install.sub,v 1.1219 2023/01/12 15:03:23 kn Exp $
 #
 # Copyright (c) 1997-2015 Todd Miller, Theo de Raadt, Ken Westerback
 # Copyright (c) 2015, Robert Peichaer <rpe@openbsd.org>
@@ -765,7 +765,7 @@ _ask() {
        else
                case $resp in
                !)      echo "Type 'exit' to return to install."
-                       sh
+                       ksh
                        _redo=1
                        ;;
                !*)     eval "${resp#?}"