#!/bin/sh

## Slackware build script for PostgreSQL
## $Revision: dbf620a11266 $
## $Date: 2013/09/19 10:35:00 $
##
## Copyright 2007-2013 Adis Nezirovic <adis _at_ linux.org.ba>
## Licensed under GNU GPL v2

# Modified by the SlackBuilds.org Project

PRGNAM=postgresql
VERSION=${VERSION:-9.3.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

PG_VERSION=${PG_VERSION:-9.3}
PG_PORT=${PG_PORT:-5432}
PG_UID=${PG_UID:-209}
PG_GID=${PG_GID:-209}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Bail out if user or group isn't valid on your system
# For slackbuilds.org, assigned postgres uid/gid are 209/209
# See http://slackbuilds.org/uid_gid.txt
# Other popular choice is 26/26
if ! grep ^postgres: /etc/group 2>&1 > /dev/null; then
  echo "  You must have a postgres group to run this script."
  echo "    # groupadd -g $PG_GID postgres"
  exit 1
elif ! grep ^postgres: /etc/passwd 2>&1 > /dev/null; then
  echo "  You must have a postgres user to run this script."
  echo "    # useradd -u $PG_UID -g $PG_GID -d /var/lib/pgsql postgres"
  exit 1
fi

# Enable NLS builds using 'ENABLE_NLS=1 ./postgresql.SlackBuild'
if [ ! -z $ENABLE_NLS  ];then
  NLS=enable
else
  NLS=disable
fi

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686 -DLINUX_OOM_SCORE_ADJ=0"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686 -DLINUX_OOM_SCORE_ADJ=0"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC -DLINUX_OOM_SCORE_ADJ=0"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2 -DLINUX_OOM_SCORE_ADJ=0"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $TMP/$PRGNAM-$VERSION $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R a-s,u+w,go+r-w .

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr/lib${LIBDIRSUFFIX}/$PRGNAM/$PG_VERSION \
  --sysconfdir=/etc/$PRGNAM/$PG_VERSION \
  --includedir=/usr/include \
  --datarootdir=/usr/share \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-openssl \
  --with-tcl \
  --with-perl \
  --with-python \
  --with-ldap \
  --with-libxml \
  --with-libxslt \
  --enable-thread-safety \
  --with-system-tzdata=/usr/share/zoneinfo \
  --$NLS-nls \
  --build=$ARCH-slackware-linux

make
make install-strip DESTDIR=$PKG
make install-docs DESTDIR=$PKG

# create symlinks to shared library for other programs to link against
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  for i in $(ls $PRGNAM/$PG_VERSION/lib/libpq.so*) ; do ln -sf $i ; done 
)

# Some interesting additional modules:
#   http://www.postgresql.org/docs/9.3/static/contrib.html
#
# adminpack - helper extension for pgAdmin
# pgcrypto - extension for some business applications
# hstore, ltree, xml2 - useful extensions for developers
# pg_archivecleanup, pg_standby - high availability helpers
# pg_upgrade, pg_upgrade_support - online upgrade between postgresql versions
# postgres_fdw - foreign-data wrapper for access to external PostgreSQL servers 
# file_fdw - foreign-data wrapper for access to data files on filesystem

PG_EXTENSIONS=${PG_EXTENSIONS:-"adminpack pgcrypto hstore ltree xml2 pg_archivecleanup pg_standby pg_upgrade pg_upgrade_support postgres_fdw file_fdw"}

if [ "x$PG_EXTENSIONS" = "xALL" ];then
  cd $TMP/$PRGNAM-$VERSION/contrib
  make all
  make install-strip DESTDIR=$PKG
else
  for ext in $PG_EXTENSIONS; do
    cd $TMP/$PRGNAM-$VERSION/contrib/$ext
    make
    make install-strip DESTDIR=$PKG
  done
fi

cd $TMP/$PRGNAM-$VERSION

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

cp -a COPYRIGHT HISTORY README doc/KNOWN_BUGS doc/MISSING_FEATURES doc/TODO $PKG/usr/doc/$PRGNAM-$VERSION/
rm -rf $PKG/usr/doc/$PRGNAM-$VERSION/{man.tar.gz,man1,manl,man7,postgres.tar.gz}
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SBo > $PKG/usr/doc/$PRGNAM-$VERSION/README.SBo

# base database directory
# assumes you are using /var/lib/pgsql as a homedir for postgres user
mkdir -p $PKG/var/lib/pgsql/$PG_VERSION/data
chown -R postgres:postgres $PKG/var/lib/pgsql
chmod 700 $PKG/var/lib/pgsql
# permissions for DATADIR should be u=rwx (0700)
chmod 700 $PKG/var/lib/pgsql/$PG_VERSION/data

# Install init script
mkdir -p $PKG/etc/rc.d
sed -e "s%@PG_VERSION@%$PG_VERSION%" \
  -e "s%@PG_PORT@%$PG_PORT%" \
  -e "s%@LIBDIRSUFFIX@%$LIBDIRSUFFIX%" \
  $CWD/rc.$PRGNAM.new > $PKG/etc/rc.d/rc.$PRGNAM.new 
chmod 0755 $PKG/etc/rc.d/rc.$PRGNAM.new

# Install logrotate script
mkdir -p $PKG/etc/logrotate.d
sed -e "s%@PG_VERSION@%$PG_VERSION%" \
  $CWD/$PRGNAM.logrotate > $PKG/etc/logrotate.d/$PRGNAM.new

mkdir -p $PKG/var/log/setup
sed -e "s%@UID@%$PG_UID%" \
  -e "s%@GID@%$PG_GID%" \
  -e "s%@PG_VERSION@%$PG_VERSION%" \
  $CWD/setup.$PRGNAM  > $PKG/var/log/setup/setup.$PRGNAM
chmod 755 $PKG/var/log/setup/setup.$PRGNAM

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed -e "s%@PG_VERSION@%$PG_VERSION%" \
  -e "s%@LIBDIRSUFFIX@%$LIBDIRSUFFIX%" \
  $CWD/doinst.sh > $PKG/install/doinst.sh 

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}