#!/bin/bash

# Slackware build script for sanlock

# 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=sanlock
VERSION=${VERSION:-3.7.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

# Bail if user or group isn't valid on your system
if ! grep ^$PRGNAM: /etc/passwd 2>&1 > /dev/null; then
  cat << EOF

  You must have a $PRGNAM user to run this script

  # groupadd -g 363 $PRGNAM
  # useradd -u 363 -d /var/run/$PRGNAM -s /bin/false -g $PRGNAM $PRGNAM

  The disk group is also needed

  # usermod -a -G disk $PRGNAM

EOF
  exit
fi

set -e

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

# We don't have stack clash protection support yet
sed -i 's/-fstack-clash-protection//' */Makefile

CFLAGS="$SLKCFLAGS" make -C wdmd
CFLAGS="$SLKCFLAGS" make -C src
CFLAGS="$SLKCFLAGS" make -C python

make -C src install LIBDIR=/usr/lib${LIBDIRSUFFIX} DESTDIR=$PKG
make -C wdmd install LIBDIR=/usr/lib${LIBDIRSUFFIX} DESTDIR=$PKG
make -C python install LIBDIR=/usr/lib${LIBDIRSUFFIX} DESTDIR=$PKG

install -D -m0755 -oroot -groot init.d/sanlock $PKG/etc/rc.d/rc.sanlock.new
install -D -m0755 -oroot -groot init.d/wdmd $PKG/etc/rc.d/rc.wdmd.new
sed -e "s|/etc/sysconfig|/etc/default|g" \
    -i $PKG/etc/rc.d/rc.sanlock.new \
    -i $PKG/etc/rc.d/rc.wdmd.new

install -D -m0644 -oroot -groot src/logrotate.sanlock $PKG/etc/logrotate.d/sanlock.new
install -D -m0644 -oroot -groot src/sanlock.conf $PKG/etc/sanlock/sanlock.conf.new
install -D -m0644 -oroot -groot init.d/wdmd.sysconfig $PKG/etc/default/wdmd.new

mkdir -p $PKG/{etc/wdmd.d,var/run/sanlock}

mv $PKG/usr/share/man $PKG/usr
rmdir $PKG/usr/share

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.rst $PKG/usr/doc/$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}