#!/bin/bash

# Slackware build script for emulationstation-de

# Copyright 2026 Pablo Romano, Seville, Spain
# 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.

# NOTE: This script targets ES-DE 2.2.1, the last release of the 2.x branch.
# It is designed for Slackware 15.0, which ships ffmpeg 4.4.x. The 3.x branch
# requires ffmpeg 5.x or newer and is therefore NOT compatible with Slack 15.0.

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

PRGNAM=emulationstation-de
VERSION=${VERSION:-2.2.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# GitLab archives the source with a "v" prefix in the tag name
SRCVER="v$VERSION"

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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVER
tar xvf $CWD/$PRGNAM-$SRCVER.tar.gz
cd $PRGNAM-$SRCVER
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 {} \;

# Patch for libgit2 >= 1.0 API changes (Slackware 15.0 ships libgit2 1.x)
sed -i \
  -e 's/git_transfer_progress\b/git_indexer_progress/g' \
  -e 's/git_transfer_progress_cb\b/git_indexer_progress_cb/g' \
  -e 's/git_error_clear();//g' \
  es-app/src/guis/GuiThemeDownloader.cpp

# Build using cmake in a dedicated build subdirectory.
# APPLICATION_UPDATER=off is recommended for packaged/distro builds.
# ES-DE 2.2.1 uses the ffmpeg 4.x API, compatible with Slackware 15.0's
# system ffmpeg (4.4.x). No additional ffmpeg package is required.
mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib${LIBDIRSUFFIX} \
    -DCMAKE_BUILD_TYPE=Release \
    -DAPPLICATION_UPDATER=off \
    ..
  make
  make install/strip DESTDIR=$PKG
cd ..

# Compress man pages if installed under /usr/man or /usr/share/man
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -exec gzip -9 {} \;
  for i in $( find $PKG/usr/man -type l ) ; do
    ln -s $( readlink $i ).gz $i.gz ; rm $i
  done
elif [ -d $PKG/usr/share/man ]; then
  mv $PKG/usr/share/man $PKG/usr/
  find $PKG/usr/man -type f -exec gzip -9 {} \;
  for i in $( find $PKG/usr/man -type l ) ; do
    ln -s $( readlink $i ).gz $i.gz ; rm $i
  done
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
for f in CHANGELOG.md CONTRIBUTING.md LICENSE README.md; do
  [ -f "$f" ] && cp -a "$f" $PKG/usr/doc/$PRGNAM-$VERSION/
done
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$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-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE