#!/bin/bash

# Slackware build script for lvm2-cluster

# Copyright 2019  Mario Preksavec, Zagreb, Croatia
# 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.

PRGNAM=lvm2-cluster
VERSION=${VERSION:-2.02.154}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCNAM=LVM2

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/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 $SRCNAM.$VERSION
tar xvf $CWD/$SRCNAM.$VERSION.tar.xz
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 {} \;

# Copied from lvm2.SlackBuild
CFLAGS="$SLKCFLAGS" \
./configure \
  --disable-readline \
  --enable-cmdlib \
  --enable-dmeventd \
  --enable-applib \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-usrlibdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --enable-realtime \
  --with-lvm1=internal \
  --enable-pkgconfig \
  --enable-udev_sync \
  --enable-udev_rules \
  --with-udev-prefix="" \
  --with-device-uid=0 \
  --with-device-gid=6 \
  --with-device-mode=0660 \
  --with-default-locking-dir=/run/lock/lvm \
  --with-default-run-dir=/run/lvm \
  --with-default-dm-run-dir=/run/lvm \
  --with-clvmd-pidfile=/run/lvm/clvmd.pid \
  --with-cmirrord-pidfile=/run/lvm/cmirrord.pid \
  --with-dmeventd-pidfile=/run/lvm/dmeventd.pid \
  --with-clvmd \
  --with-cluster=shared \
  --build=$ARCH-slackware-linux

make daemons man

# Some assembly required
install -D -m0755 -oroot -groot daemons/clvmd/clvmd $PKG/usr/sbin/clvmd
install -D -m0644 -oroot -groot man/clvmd.8 $PKG/usr/man/man8/clvmd.8

install -D -m0755 -oroot -groot scripts/clvmd_init_red_hat $PKG/etc/rc.d/rc.clvmd.new
sed -e "s|/etc/sysconfig|/etc/default|g" -i $PKG/etc/rc.d/rc.clvmd.new

install -D -m0755 -oroot -groot lib/locking/liblvm2clusterlock.so.${VERSION%.*} \
  $PKG/usr/lib${LIBDIRSUFFIX}/lvm2/liblvm2clusterlock.so.${VERSION%.*}
ln -s liblvm2clusterlock.so.${VERSION%.*} \
  $PKG/usr/lib${LIBDIRSUFFIX}/lvm2/liblvm2clusterlock.so

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 $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE

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:-tgz}