#!/bin/bash -e [ "$BR2_PACKAGE_DHCPCD" ] [ "$BR2_PACKAGE_WPA_SUPPLICANT" ] [ "$BR2_PACKAGE_IFUPDOWN_SCRIPTS" ] if ! grep -wq "interfaces.d" "$TARGET_DIR/etc/network/interfaces"; then echo -e "\nsource-directory /etc/network/interfaces.d" >> \ "$TARGET_DIR/etc/network/interfaces" fi