#!/bin/bash

# Slackware build script for dovi_tool

# Copyright 2025-2026 Vijay Marcel
# 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.
#
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the distribution.
#
#  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.

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

PRGNAM=dovi_tool
LIBNAM=${LIBNAM:-dolby_vision}
VERSION=${VERSION:-2.3.4}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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

if [ "$ARCH" = "i586" -o "$ARCH" = "i686" ]; then
  SLKCFLAGS="-march=$ARCH -mtune=i686 -pipe -O2 -fPIC"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-march=x86-64 -mtune=generic -pipe -O2 -fPIC"
  LIBDIRSUFFIX="64"
else
   echo "This SlackBuild will not run on $ARCH" && exit 1
fi

set -e
trap 'echo "$0 FAILED at line $LINENO!" | tee $OUTPUT/error-${PRGNAM}.log' ERR

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf ${PRGNAM}-$VERSION 
tar xvf $CWD/${PRGNAM}-$VERSION.tar.gz
cd ${PRGNAM}-$VERSION
tar xvf $CWD/doviv-1.0.tar.gz
cd doviv-1.0
mv -v ${PRGNAM}-vendored-sources-${VERSION}-1.tar.xz $TMP/${PRGNAM}-$VERSION
mv -v ${LIBNAM}-vendored-sources-${VERSION}-1.tar.xz $TMP/${PRGNAM}-$VERSION
cd ..
rm -rvf doviv-1.0
tar xvf ${PRGNAM}-vendored-sources-${VERSION}-1.tar.xz
cd $PRGNAM-$VERSION
mv -v .cargo $TMP/${PRGNAM}-$VERSION
mv -v vendor $TMP/${PRGNAM}-$VERSION
cd ..
rm -rvf ${PRGNAM}-$VERSION

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 {} \+

export CC=${CC:-gcc}
export CXX=${CXX:-g++}
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"

export r=/opt/rust/bin # rust path
export rl=/opt/rust/lib64

export PATH=$r:$PATH

# set cargo_home dir in the build dir 
export CARGO_HOME="$TMP/${PRGNAM}-$VERSION/.cargo"

export RUSTUP_TOOLCHAIN='stable'

# Target Architecture
TARGET="$(rustc --print host-tuple)"

# Building the binary

cargo build --verbose --color always --release --offline --target $TARGET --manifest-path $TMP/${PRGNAM}-$VERSION/Cargo.toml

mkdir -pv $PKG/usr/bin
install -Dvm0755 "target/$TARGET/release/dovi_tool" -t $PKG/usr/bin


# Build the library

cd ${LIBNAM}
tar xvf $TMP/${PRGNAM}-$VERSION/${LIBNAM}-vendored-sources-$VERSION-1.tar.xz
cd ${PRGNAM}-$VERSION/${LIBNAM}
mv -v .cargo $TMP/${PRGNAM}-$VERSION/${LIBNAM}
mv -v vendor $TMP/${PRGNAM}-$VERSION/${LIBNAM}
cd $TMP/${PRGNAM}-$VERSION/${LIBNAM}
rm -rvf $TMP/${PRGNAM}-$VERSION/${LIBNAM}/${PRGNAM}-$VERSION/${LIBNAM}

cargo cbuild --verbose --color always --release \
	      --offline --target $TARGET \
	      --prefix=/usr \
              --libdir=/usr/lib${LIBDIRSUFFIX} \
              --pkgconfigdir=/usr/lib${LIBDIRSUFFIX}/pkgconfig \
              --destdir=$PKG

cargo cinstall --release --frozen --color always --verbose \
            --prefix=/usr \
            --libdir=/usr/lib${LIBDIRSUFFIX} \
            --pkgconfigdir=/usr/lib${LIBDIRSUFFIX}/pkgconfig \
            --destdir=$PKG  


cd $TMP/${PRGNAM}-$VERSION

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded --remove-section=.comment --remove-section=.note 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README.md LICENSE $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

# Cleanup CARGO_HOME and possible unnecessary artifacts in $PKG.
rm -rf "$CARGO_HOME" "$PKG/usr/.cargo" "$PKG/usr/.crates*"

cd $PKG
/sbin/makepkg -l y -c n --remove-rpaths --remove-tmp-rpaths $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE