Inverting a boolean test

scripts/install.sh

@@ -20,7 +20,7 @@ WPCLI="php ${WPCLI_PATH} --path=${WP_PATH}"
 source $1
 
 # Si on est en PREPROD, utilisons une URL plus simple.
-[[ -z ${PREPROD+x} ]] && URL="https://${THEME}.grange.dev.lqdn.fr"
+[[ ! -z ${PREPROD+x} ]] && URL="https://${THEME}.grange.dev.lqdn.fr"
 
 # Au cas où, on vérifie que wordpress est bien installé.
 $WPCLI core is-installed || echo "Sorry, wordpress isn't installed in $WP_PATH." || return 1