#!/bin/bash

# Written by Thomas Bourdon <thomas dot bourdon at halpanet dot org>
# Copyright: See COPYING file at <http://ftp.halpanet.org/slackware/slackbuilds/COPYING>.

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

# Build infos
PRGNAM=ejabberd
VERSION=${VERSION:-24.07}
BUILD=${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

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

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# ejabber user/group MUST exist
EJABBERD_USER=${EJABBERD_USER:-ejabberd}
EJABBERD_HOME=${EJABBERD_HOME:-/var/lib/$EJABBERD_USER}

# if the ejabberd user/group, ask for add them
if [ -z "$(grep ^$EJABBERD_USER /etc/group)" -o -z "$(grep ^$EJABBERD_USER /etc/passwd)" ]; then
  cat << EOF
WARNING: "$EJABBERD_USER" user and group don't exist, you need to create them first.
You can use this commands as root to create them :
groupadd -g 203 $EJABBERD_USER
useradd -g 203 -u 203 -d $EJABBERD_HOME -s /bin/zsh $EJABBERD_USER
EOF
  exit 1
fi

# Determine some specific variables to build software.
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

# Extract the software
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$VERSION.tar.gz
cd $PRGNAM-$VERSION
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 {} +

# Build the software
[ -f ./configure ] || ./autogen.sh
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
CFLAGS="$SLKCFLAGS -I/opt/openssl3/include" \
CPPFLAGS="-I/opt/openssl3/include" \
LDFLAGS="-L/opt/openssl3/lib${LIBDIRSUFFIX}" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --enable-mysql \
  --enable-stun \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-user=$EJABBERD_USER \
  --build=$ARCH-slackware-linux

make $NUMJOBS || make
make install DESTDIR=$PKG

# Strip binaries and libraries and archives
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 -type f | xargs file | grep "current ar archive" | cut -d : -f 1 | xargs strip -g 2> /dev/null || true

# Compress manpages
find $PKG/usr/man -type f -exec gzip -9 {} \;

# Rename config files
find $PKG/etc -type f -exec mv {} {}.new \;

# Fix perms
chmod 0755 $PKG/usr/sbin/ejabberdctl

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Install rc.ejabberd
mkdir -p $PKG/etc/rc.d
cat $CWD/rc.ejabberd > $PKG/etc/rc.d/rc.ejabberd.new

# Copy the slack-desc and a custom doinst.sh into ./install
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed -e "s%@EJABBERD_USER@%$EJABBERD_USER%g" $CWD/doinst.sh > $PKG/install/doinst.sh

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