#!/bin/bash

# Slackware build script for rtl8812bu

# Written by B. Watson (urchlay@slackware.uk)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# 20230124 bkw: Just bought one of these devices today, shocked there
# was no driver in Slackware or SBo already. So here it is.

# Based on rtl8188eu.SlackBuild and rtl8821ce.SlackBuild.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=rtl8812bu
VERSION=${VERSION:-5.13.1+20230115_36deb90}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

KERNEL=${KERNEL:-$(uname -r)}
PKGVER=${VERSION}_$(echo $KERNEL | tr - _)

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$PKGVER-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

export KVER=$KERNEL
if [ "$ARCH" = "i586" ] || [ "$ARCH" = "i686" ] ; then
  # auto detect in the Makefile does not work and sets ARCH to `uname -m`, but
  # it only builds if it is set to i386
  ARCH=i386 make
else
  env -u ARCH make
fi
install -D -m0644 88x2bu.ko \
  $PKG/lib/modules/$KERNEL/kernel/drivers/net/wireless/88x2bu.ko

# No docs other than the license, so include our own README.
# Note: don't use $VERSION here, use $PKGVER. The rtl8188eu slackbuild
# doesn't do this (but it should), the rtl8821ce one does.
PKGDOC=$PKG/usr/doc/$PRGNAM-$PKGVER
mkdir -p $PKGDOC
cp -a LICENSE $PKGDOC
cat $CWD/README > $PKGDOC/README
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$PKGVER-$ARCH-$BUILD$TAG.$PKGTYPE