typo: www/default/index.html would be overwritten if it already exists

setup/web.sh

@@ -20,7 +20,7 @@ cp conf/nginx-ssl.conf /etc/nginx/nginx-ssl.conf
 # make a default homepage
 if [ -d $STORAGE_ROOT/www/static ]; then mv $STORAGE_ROOT/www/static $STORAGE_ROOT/www/default; fi # migration
 mkdir -p $STORAGE_ROOT/www/default
-if [ ! -f STORAGE_ROOT/www/default/index.html ]; then
+if [ ! -f $STORAGE_ROOT/www/default/index.html ]; then
 	cp conf/www_default.html $STORAGE_ROOT/www/default/index.html
 fi
 chown -R $STORAGE_USER $STORAGE_ROOT/www