Unset TMPDIR to avoid leaking the variable into chroot scripts

We've reports that with TMPDIR being set the FAI scripts fail
inside the chroot, so let's avoid that.

diff --git a/grml-live b/grml-live
index c443cd1..45b93e6 100755 (executable)
--- a/grml-live
+++ b/grml-live
@@ -12,6 +12,9 @@
 export LANG=C
 export LC_ALL=C
 
 export LANG=C
 export LC_ALL=C
 

+# avoid leaking into chroots
+unset TMPDIR
+

 # define function getfilesize before "set -e"
 if stat --help >/dev/null 2>&1; then
   getfilesize='stat -c %s'  # GNU stat
 # define function getfilesize before "set -e"
 if stat --help >/dev/null 2>&1; then
   getfilesize='stat -c %s'  # GNU stat