From 7d210cad9cbdd444343959e8565315de9f71dd82 Mon Sep 17 00:00:00 2001
From: Paul Ackersviller <packersv@users.sourceforge.net>
Date: Sun, 25 Nov 2007 18:28:28 +0000
Subject: Merge of 24043 + users/12008:  Assert zsh emulation to avoid setopt
 problems; don't try to run precmd or preexec if they don't exist.

---
 Functions/Prompts/promptinit | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Functions/Prompts/promptinit b/Functions/Prompts/promptinit
index 37e437699..df3d30649 100644
--- a/Functions/Prompts/promptinit
+++ b/Functions/Prompts/promptinit
@@ -39,6 +39,7 @@ promptinit () {
 }
 
 prompt_preview_safely() {
+  emulate -L zsh
   print $reset_color
   if [[ -z "$prompt_themes[(r)$1]" ]]; then
     print "Unknown theme: $1"
@@ -176,6 +177,7 @@ prompt () {
 }
 
 prompt_preview_theme () {
+  emulate -L zsh
   local -a psv; psv=($psvar); local -a +h psvar; psvar=($psv) # Ick
   local +h PS1=$PS1 PS2=$PS2 PS3=$PS3 PS4=$PS4 RPS1=$RPS1
   trap "${$(functions precmd):-:} ; ${$(functions preexec):-:}" 0
@@ -184,10 +186,10 @@ prompt_preview_theme () {
   (( $#* > 1 )) && print -n " with parameters \`$*[2,-1]'"
   print ":"
   prompt_${1}_setup "$@[2,-1]"
-  precmd
+  typeset +f precmd >&- && precmd
   [[ -o promptcr ]] && print -n $'\r'; :
   print -P "${PS1}command arg1 arg2 ... argn"
-  preexec
+  typeset +f preexec >&- && preexec
 }
 
 [[ -o kshautoload ]] || promptinit "$@"
-- 
cgit 1.4.1