#! /bin/bash

set -eu

DRIVER_TARBALL=DPO_RT3090_LinuxSTA_V2.4.0.1_20101110_WiFiBTCombo_RFKill.bz2
EXTRACT=extract
extract() {
	# bit weird, this; the tarball contains a single file, which is a tar ...
	tar xfj "$1"
	inner="$(ls)"
	tar xf "$inner"
	rm "$inner"
}

BUILD_DIR=/tmp/rt3090

mkdir -p "$BUILD_DIR"
rm -rf "$BUILD_DIR"/*
cd "$BUILD_DIR"
$EXTRACT ~root/"$DRIVER_TARBALL"
cd "$(ls)"

# "Build for being controlled by NetworkManager or wpa_supplicant wext functions"
# also enlarge the CONFIG_FRAME_WARN (not by that name!) to current kernel standard
sed -i.orig \
	-e 's/HAS_WPA_SUPPLICANT=n/HAS_WPA_SUPPLICANT=y/' \
	-e 's/HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=n/HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=y/' \
	-e '/^WFLAGS :=/aWFLAGS += -Wframe-larger-than=2048' \
	os/linux/config.mk

# TODO: fix CONFIG_FRAME_WARN

make
make install # copies in firmware and driver, and does depmod

rm -rf "$BUILD_DIR"

echo
echo "Reboot to load new driver (unless you know how to make modprobe work)"