From 77e2cadd88350a756736009067c8d742096bc770 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Thu, 7 Apr 2011 12:58:02 +0200
Subject: [PATCH] base/init: fixed "unset" of vars

---
 modules.d/99base/init | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/modules.d/99base/init b/modules.d/99base/init
index 415bc1d..e85b83b 100755
--- a/modules.d/99base/init
+++ b/modules.d/99base/init
@@ -324,10 +324,16 @@ done
 for i in $(export -p); do
     i=${i#declare -x}
     i=${i#export}
+    strstr "$i" "=" || continue
     # skip RD_ vars
-    [ "$i" != "${i#RD_}" ] && continue
     i=${i%%=*}
-    [ "$i" = "root" -o "$i" = "PATH" -o "$i" = "HOME" -o "$i" = "TERM" ] || unset $i
+    [ -z "$i" ] && continue
+    case $i in
+        root|PATH|HOME|TERM|PS4|RD_*)
+            :;;
+        *)
+            unset "$i";;
+    esac
 done
 
 initargs=""
-- 
2.7.4