cmd-init: fix SC2236
Use -n instead of ! -z.
@@ -62,7 +62,7 @@ fi
# If the current working dir is not empty then error out
# unless force provided
-if [ "$FORCE" != "1" ] && [ ! -z "$(ls -A ./)" ]; then
+if [ "$FORCE" != "1" ] && [ -n "$(ls -A ./)" ]; then
fatal "init: current directory is not empty, override with --force"
fi
