#!/bin/bash

# Originally written by hollywoodb (email removed)
# Maintained 2011-2016 by sero (email removed)
# Maintained 2017-2021 by Benjamin Trigona-Harany (email removed)
# Maintained 2021-2023 by B. Watson <yalhcru@gmail.com>
# Copyright 2023 Sergei Fedosoff <eleksir@gmail.com>
#
# 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.

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

PRGNAM=weechat
VERSION=${VERSION:-4.5.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_EXs}
PKGTYPE=${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=${TMP:-/tmp/EXs}
PKG=$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 $PRGNAM-$VERSION
tar xf $CWD/$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 {} \+

mkdir build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="-g $SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="-g $SLKCFLAGS" \
    -DCMAKE_EXE_LINKER_FLAGS:STRING="-flto -rdynamic -Wl,--export-dynamic -Wl,-E -Wl,--no-as-needed -Wl,-O2" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DENABLE_LUA=OFF \
    -DENABLE_JAVASCRIPT=OFF \
    -DENABLE_CJSON=OFF \
    -DENABLE_PHP=OFF \
    -DENABLE_DOC=OFF \
    -DENABLE_MAN=ON \
    -DMANDIR=/usr/man \
    -DLIBDIR=/usr/lib${LIBDIRSUFFIX} \
    -DCMAKE_BUILD_TYPE=Release \
    ..

  make -j$(nproc) install/strip DESTDIR=$PKG
cd ..

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

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

mkdir -p $PKG/usr/share/pixmaps
ln -s ../icons/hicolor/32x32/apps/$PRGNAM.png $PKG/usr/share/pixmaps/$PRGNAM.png

mkdir -p "$PKG/usr/doc/$PRGNAM-$VERSION"
cp -a COPYING AUTHORS.md CHANGELOG.md README.md UPGRADING.md "$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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