#!/bin/bash

# Copyright 2010  Kuroi Kenshi <kuroi_kenshi96@yahoo.com>
# Copyright 2012-2018  Audrius Kažukauskas <audrius@neutrino.lt>
# Copyright 2021-2022  Heinz Wiesinger, Amsterdam, The Netherlands
# 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)

PKGNAM=redis
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-${PKGNAM}
rm -rf $PKG
mkdir -p $TMP $PKG

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

NUMJOBS=${NUMJOBS:-" -j $(expr $(nproc) + 1) "}

cd $TMP
rm -rf ${PKGNAM}-${VERSION}
tar xvf $CWD/${PKGNAM}-$VERSION.tar.?z || exit 1
cd ${PKGNAM}-$VERSION || exit 1

# Make sure ownerships and permissions are sane:
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# Use our CFLAGS.
sed -i "s|-O3||" deps/Makefile deps/hiredis/Makefile

zcat $CWD/redis-5.0-use-system-jemalloc.patch.gz | patch -p1 --verbose || exit 1
rm -rf deps/jemalloc

# No ./configure necessary.
#
# http://lists.slackbuilds.org/pipermail/slackbuilds-users/2013-January/010042.html
( unset ARCH ; CFLAGS="$SLKCFLAGS" BUILD_TLS="yes" make || exit 1 )
make BUILD_TLS="yes" PREFIX=$PKG/usr install || exit 1

# Use sample config and set some sane defaults.
install -D -m 0644 redis.conf $PKG/etc/redis/redis.conf.new
sed -i \
  -e 's|^daemonize no|daemonize yes|' \
  -e 's|^dir \.|dir /var/lib/redis|' \
  -e 's|^logfile ""|logfile /var/log/redis/redis.log|' \
  -e 's|/var/run/redis_6379.pid|/var/run/redis/redis_6379.pid|' \
  -e 's|/run/redis.sock|/var/run/redis/redis.sock|' \
  -e 's|unixsocketperm 700|unixsocketperm 660|' \
  $PKG/etc/redis/redis.conf.new
install -D -m 0644 sentinel.conf $PKG/etc/redis/sentinel.conf.new

# Create data directory.
mkdir -p $PKG/var/lib/redis
chown 198:198 $PKG/var/lib/redis
chmod 0770 $PKG/var/lib/redis

# Create log directory.
mkdir -p $PKG/var/log/redis
chown root:198 $PKG/var/log/redis
chmod 0775 $PKG/var/log/redis

# Install init script.
mkdir -p $PKG/etc/rc.d
install -m 644 $CWD/rc.redis $PKG/etc/rc.d/rc.redis.new

# Install logrotate script.
mkdir -p $PKG/etc/logrotate.d
cat $CWD/redis.logrotate > $PKG/etc/logrotate.d/redis.new

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mkdir -p $PKG/usr/doc/redis-$VERSION
cp -a \
  00-RELEASENOTES BUGS CONTRIBUTING COPYING MANIFESTO README.md \
  $PKG/usr/doc/redis-$VERSION

mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/${PKGNAM}-$VERSION-$ARCH-$BUILD.txz