Warning!

--- a/debian/changelog	Thu Dec 07 18:59:15 2006 +0100
+++ b/debian/changelog	Sat Dec 16 10:34:50 2006 +0100
@@ -1,3 +1,11 @@ grml-rebuildfstab (0.3-17) unstable; urg
+grml-rebuildfstab (0.3-18) unstable; urgency=low
+
+  * Add check for existing tmpfiles at beginn of script to
+    beautify error handling on read-only /.
+  * Do not export $PATH.
+
+ -- Michael Prokop <mika@grml.org>  Sat, 16 Dec 2006 10:33:52 +0100
+
 grml-rebuildfstab (0.3-17) unstable; urgency=low
 
   * Adjust sysfs entry for fstab template so initscript

--- a/rebuildfstab	Thu Dec 07 18:59:15 2006 +0100
+++ b/rebuildfstab	Sat Dec 16 10:34:50 2006 +0100
@@ -4,7 +4,7 @@
 # Authors:       grml-team (grml.org),  (c) Klaus Knopper Nov 2002, (c) Michael Prokop <mika@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2.
-# Latest change: Son Dez 03 13:38:25 CET 2006 [mika]
+# Latest change: Sam Dez 16 10:33:40 CET 2006 [mika]
 ################################################################################
 # This script is based on the package rebuildfstab-knoppix_0.5-4 of Klaus Knopper.
 # (C) Klaus Knopper Nov 2002
@@ -31,12 +31,18 @@ function logit() {
   exec sudo $0 "$@"
 }
 
-export PATH="/bin:/sbin:/usr/bin:/usr/sbin"
+PATH="/bin:/sbin:/usr/bin:/usr/sbin"
 MNTFILE="/mnt/.grml-auto-created_do-not-delete-this-file"
-TMP=$(mktemp)
-TMPFILE=$(mktemp)
+TMP=$(mktemp 2>/dev/null)
+TMPFILE=$(mktemp 2>/dev/null)
 ADDEDBYGRML="# Added by GRML"
 umask 022
+
+if [ -z "$TMP" -o -z "$TMPFILE" ] ; then
+   echo "$0: could not create tmpfile (is / mounted read-only?), exiting" >&2
+   logit 'fatal - could not create tmpfile (is / mounted read-only?), exiting'
+   exit 1
+fi
 
 trap "rm -f $TMP $TMPFILE" 2 3 11