lxc-debian: protect possibly unset variable with quotes for -z check

Signed-off-by: Michael Adam <obnox@samba.org> Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

lxc-debian: protect possibly unset variable with quotes for -z check
227c5600 · Michael Adam · Serge Hallyn · a64da4c3 · 227c5600
Commit 227c5600 authored Jan 08, 2015 by Michael Adam Committed by Serge Hallyn Jan 10, 2015
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lxc-debian.in templates/lxc-debian.in +1 -1

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--- a/templates/lxc-debian.in
+++ b/templates/lxc-debian.in
@@ -573,7 +573,7 @@ configure_debian_systemd $path $rootfs

 post_process ${rootfs} ${release} ${arch} ${hostarch} ${packages}

-if [ ! -z $clean ]; then
+if [ ! -z "$clean" ]; then
    clean || exit 1
    exit 0
 fi