#!/bin/sh

# Slackware build script for i3wm.

# Written by Eugene Wissner <belka.ew@gmail.com>
# Updated by Eugene Suter <easuter@gmail.com>
# Updated by Marcin Herda <mherda@slackword.net>
# Cleaning up docs by ponce
# Copyright 2017 - 2018  Johannes Schoepfer, Germany
# Updated by Emmanuel N. Millan, Argentina, 2019
# Updated by Sergei Fedosoff <eleksir@gmail.com>
#
# 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=i3
VERSION=${VERSION:-4.24}
BUILD=${BUILD:-2}
TAG=${TAG:-_EXs}

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

CWD=$(pwd)
TMP=${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 . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -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 -p1 --verbose -i ${CWD}/cfa4cf16bea809c7c715a86c428757e577c85254.patch
patch -p1 --verbose -i ${CWD}/2746e0319b03a8a5a02b57a69b1fb47e0a9c22f1.patch
patch -p1 --verbose -i ${CWD}/853b0d9161a5f99c8491751590229a449e4076b6.patch

# Configure, build, and install:
export CFLAGS="-g3 $SLKCFLAGS -flto -rdynamic"
export CXXFLAGS="-g3 $SLKCFLAGS -flto -rdynamic"
export LDFLAGS="-flto -rdynamic -Wl,--export-dynamic -Wl,-E -Wl,--no-as-needed -Wl,-O2"
mkdir meson-build
meson setup \
  --prefix=/usr \
  --libdir=lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/libexec \
  --bindir=/usr/bin \
  --sbindir=/usr/sbin \
  --includedir=/usr/include \
  --datadir=/usr/share \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --buildtype=release \
  -Dmans=true \
  meson-build

meson compile -C meson-build
DESTDIR=$PKG meson install -C meson-build

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

# Don't clobber the default config
mv $PKG/etc/i3/config $PKG/etc/i3/config.new
mv $PKG/etc/i3/config.keycodes $PKG/etc/i3/config.keycodes.new

# Make xterm default terminal
sed -i 's/i3-sensible-terminal/xterm/' $PKG/etc/i3/config.new

# KDM menu entry
mkdir -p $PKG/usr/share/apps/kdm/sessions
ln -s /usr/share/xsessions/i3.desktop $PKG/usr/share/apps/kdm/sessions/

# Install an xinitrc script
install -Dpm 0755 $CWD/xinitrc.i3 $PKG/etc/X11/xinit/xinitrc.i3

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/html $PKG/usr/doc/$PRGNAM-$VERSION/txt
cp -a DEPENDS LICENSE RELEASE-NOTES-* $PKG/usr/doc/$PRGNAM-$VERSION
cp -a docs/* $PKG/usr/doc/$PRGNAM-$VERSION/txt
( cd $PKG/usr/doc/$PRGNAM-$VERSION/txt
  mv *.html *.png *.css ../html/
  rm i3-pod2html *.conf *.dia
)

cd AnyEvent-I3

perl Makefile.PL \
  PREFIX=/usr \
  INSTALLDIRS=vendor \
  INSTALLVENDORMAN1DIR=/usr/man/man1 \
  INSTALLVENDORMAN3DIR=/usr/man/man3
make -j$(nproc)
make install DESTDIR=$PKG

find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/AnyEvent-I3
cp -a Changes README MANIFEST $PKG/usr/doc/$PRGNAM-$VERSION/AnyEvent-I3/

# man pages
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

find $PKG -depth -type d -empty -delete || true

install -Dpm 0644 $CWD/$PRGNAM.SlackBuild $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
install -Dpm 0644 $CWD/slack-desc         $PKG/install/slack-desc
install -Dpm 0644 $CWD/doinst.sh          $PKG/install/doinst.sh
install -Dpm 0644 $CWD/slack-required     $PKG/install/slack-required

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