#!/bin/sh

# Slackware build script for SEGGER J-Link

# Copyright 2015 Andrzej Telszewski, Sabadell
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=J-Link
VERSION=${VERSION:-5.02}
SRCNAM="JLink_Linux_V"$(echo $VERSION | tr -d .)"_"
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

if [ "$ARCH" != "i486" ] && [ "$ARCH" != "x86_64" ]; then
  echo -ne "\n\nError: \"${ARCH}\" architecture is not supported.\n\n"
  exit 1
fi

if [ "$ARCH" = "i486" ]; then
  SRCNAM="${SRCNAM}i386"
else
  SRCNAM="${SRCNAM}$ARCH"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$SRCNAM.tgz
mv $SRCNAM $PRGNAM-$VERSION
cd $PRGNAM-$VERSION

TREE_MD5=80fa37c7583e6eb366e15c1fc84e630f
UDEV_MD5=4918ffb129c5691e8f9a01313f975fea
TREE_MD5_NEW=( $(find . ! -name "libjlinkarm.so.*" ! -name "libedit.so.*" | sort | md5sum) )
UDEV_MD5_NEW=( $(md5sum 99-jlink.rules) )

if [ $TREE_MD5 != $TREE_MD5_NEW ] || [ $UDEV_MD5 != $UDEV_MD5_NEW ]; then
  if [ $TREE_MD5 != $TREE_MD5_NEW ]; then
    printf "\n\tThe directory structure for which this script has been written is different\n"
    printf "\tfrom the provided one. Although most probably nothing wrong will happen,\n"
    printf "\tit's possible there will be a missing file or a build failure.\n"
  fi

  if [ $UDEV_MD5 != $UDEV_MD5_NEW ]; then
    printf "\n\tThe udev rules found in the provided source are different from the one\n"
    printf "\tfor which this script has been written. Although most probably nothing\n"
    printf "\twrong will happen, you might run into some device permissions problems.\n"
  fi

  sleep 5
fi

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p $PKG/etc/udev/rules.d
fromdos < 99-jlink.rules > $PKG/etc/udev/rules.d/99-jlink.rules
sed -i 's/BUS!="usb", ACTION!="add", SUBSYSTEM!=="usb_device", GOTO="jlink_rules_end"/ACTION!="add", SUBSYSTEM!="usb", GOTO="jlink_rules_end"/' \
  $PKG/etc/udev/rules.d/99-jlink.rules
sed -i 's/MODE="666"/MODE="664", GROUP="plugdev"/' $PKG/etc/udev/rules.d/99-jlink.rules

mkdir -p $PKG/usr/bin
cp -a JFlashSPI_CL JLink{Exe,GDBServer,RemoteServer,RTTClient,STM32,SWOViewer} $PKG/usr/bin

mkdir -p $PKG/usr/lib$LIBDIRSUFFIX
cp -a libjlinkarm.so.* $PKG/usr/lib$LIBDIRSUFFIX

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a Doc/{License.txt,UM08001_JLink.pdf,ReleaseNotes/ReleaseJLink.html} \
  $PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/samples
cp -a Samples/JLink/* $PKG/usr/doc/$PRGNAM-$VERSION/samples
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}