#!/bin/bash

# Slackware build script for zfs-utils 

# Copyright 2023-26 Matt Egger <matt.egger@gmail.com>, Philadelphia, PA, USA
# Copyright 2021-23 Markus Reichelt <slackbuilds@mareichelt.de>, Germany
# Copyright 2017 Marcin Szychowski <szycha@gmail.com>, Poland
# Copyright 2016 Kevin Paulus <goarilla@gmail.com>, Belgium
# Copyright 2013-2014 Petr Hejl - Czech Republic
# 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.

# Modified by the SlackBuilds.org project
# Modified by the Snukware project

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

PRGNAM=zfs-utils
SRCNAM=zfs
VERSION=${VERSION:-2.4.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_snuk}
PKGTYPE=${PKGTYPE:-txz}

KERNEL=${KERNEL:-"$(uname -r)"}
PKGVER="$(printf %s "${VERSION}_${KERNEL}" | tr - _)"

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i586) ARCH=i586 ;;
    i686) ARCH=i686 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$PKGVER-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/var/cache/snukware/tmp}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/var/cache/snukware/testing/packages}

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

# add support for dracut if installed
if [ -f /usr/bin/dracut ]; then
  DRACUTLIBDIR="--with-dracutdir=/usr/lib${LIBDIRSUFFIX}/dracut"
else
  DRACUTLIBDIR="";
fi

set -e

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

ln -sf /bin/true python3-fake

autoreconf -fi

CFLAGS="$SLKCFLAGS -fno-tree-vectorize" \
CXXFLAGS="$SLKCFLAGS -fno-tree-vectorize" \
./configure \
  --prefix=/usr \
  --localstatedir=/var \
  --libexecdir=/usr/libexec \
  --sysconfdir=/etc \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --without-libunwind \
  --bindir=/usr/bin \
  --sbindir=/usr/bin \
  --includedir=/usr/include \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-udevdir=/usr/lib/udev \
  --enable-systemd \
  --with-systemdunitdir=/usr/lib/systemd/system \
  --with-systemdgeneratordir=/usr/lib/systemd/system-generators \
  --with-systemdpresetdir=/usr/lib/systemd/system-preset \
  --enable-static=no \
  --with-python="$PWD/python3-fake" \
  --enable-pyzfs=no \
  --with-config=user \
  $DRACUTLIBDIR \
  --build=$ARCH-slackware-linux || exit 1

make
make install DESTDIR=$PKG

install -D -m644 contrib/bash_completion.d/zfs "${PKG}"/usr/share/bash-completion/completions/zfs || exit 1
install -D -m644 "${CWD}"/files/zfs-node-permission.conf "${pkgdir}"/usr/lib/tmpfiles.d/zfs-node-permission.conf || exit 1

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# clean up leftovers
if [ "$ARCH" = "x86_64" ]; then
  rm -fr $PKG/usr/lib
elif [ -z "${DRACUTLIBDIR}" ]; then
  rm -fr $PKG/usr/lib/dracut
fi
rm -fr $PKG/usr/src

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

rm -fr $PKG/etc/init.d
mkdir -p $PKG/var/lock/zfs

gzip -9 $PKG/usr/man/man*/*

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYRIGHT LICENSE META README.md NEWS NOTICE CODE_OF_CONDUCT.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

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