On arrête d'être stupide et on échappe les commandes

Arrêt de la restauration si non superuser

Perso/package_restore.sh

@@ -1,11 +1,16 @@
 #! /bin/bash
 
-cp . /etc/apt/sources.list
-cp ./preferences.d/ /etc/apt/preferences.d/my_preferences
+if [ $(id -u) -ne "0" ]; then
+	echo "Please execute with superuser privileges"
+	exit -1
+fi
+
+cp ./sources.list /etc/apt/sources.list
+cp ./preferences.d/my_preferences /etc/apt/preferences.d/my_preferences
 cp -r ./sources.list.d/* /etc/apt/sources.list.d
 
 apt-get update
 apt-get install dselect
 dpkg --set-selections < "manual_package_save"
 apt-get dselect-upgrade
-apt-get remove dselect
+apt-get remove dselect