#!/bin/bash

# Copyright 2020-2024 Andrew Payne <phalange@komputermatrix.com>
# Copyright (c) 2011-2015 LEVAI Daniel
# 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=spectrwm
VERSION=${VERSION:-3.6.0}
SRCNAM=SPECTRWM_${VERSION//./_}
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 the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
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 $PRGNAM-$SRCNAM
tar xvf $CWD/$PRGNAM-$SRCNAM.tar.gz || tar xvf $CWD/$SRCNAM.tar.gz
cd $PRGNAM-$SRCNAM
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 {} \;

cd linux
CFLAGS="$SLKCFLAGS" \
  make \
    PREFIX=/usr \
    LIBDIR=/usr/lib${LIBDIRSUFFIX} \
    MANDIR=/usr/man \
    DOCDIR=/usr/doc/spectrwm-${VERSION}
    SYSCONFDIR=/etc \
    DATAROOTDIR=/usr \
    XSESSIONSDIR=/usr/share/applications \
    PKG_CONFIG=pkg-config \
  make install \
    PREFIX=/usr \
    LIBDIR=/usr/lib${LIBDIRSUFFIX} \
    MANDIR=/usr/man \
    DOCDIR=/usr/doc/spectrwm-${VERSION} \
    SYSCONFDIR=/etc \
    DATAROOTDIR=/usr \
    XSESSIONSDIR=/usr/share/applications \
    PKG_CONFIG=pkg-config \
    DESTDIR=$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

# Remove the symlink to scrotwm
rm -f $PKG/usr/bin/scrotwm

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

# Put an extra copy of the default config with the other example files
cp -a \
   spectrwm.conf \
   $PKG/usr/doc/$PRGNAM-$VERSION/examples
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

# Install xinitrc script
mkdir -p $PKG/etc/X11/xinit
cat $CWD/xinitrc.$PRGNAM > $PKG/etc/X11/xinit/xinitrc.$PRGNAM.new
chmod 0755 $PKG/etc/X11/xinit/xinitrc.$PRGNAM.new

# Make sure new config doesn't stomp the one in /etc
mv $PKG/etc/$PRGNAM.conf $PKG/etc/$PRGNAM.conf.new

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