#!/bin/bash

# Slackware build script for OpenGrADS

# Copyright 2009  Eduardo Oda
# 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.

# Written by Oda - edu.oda@gmail.com

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

PRGNAM=opengrads
VERSION=${VERSION:-2.0.1.oga.1}
ARCH=${ARCH:-i686}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# 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

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

set -e

if [ "$ARCH" != "x86_64" ]; then
  # Just in case someone has ARCH=i486 set in the environment
  ARCH=i686
fi

rm -rf $PKG
mkdir -p $PKG/opt $OUTPUT
tar xvf grads-$VERSION-bundle-$ARCH-*-linux-gnu.tar.gz -C $PKG/opt
cd $PKG/opt
chown -R root:root grads-$VERSION
# Let's use an unversioned install directory for less noisy upgrades
mv grads-$VERSION opengrads
# and then symlink to replicate the original directory structure
ln -s opengrads grads-$VERSION
cd opengrads
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 {} \;


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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
( cd $PKG/usr/doc/$PRGNAM-$VERSION
  ln -s ../../../opt/opengrads/COPYRIGHT .
  ln -s ../../../opt/opengrads/INSTALL .
  ln -s ../../../opt/opengrads/NEWS .
  ln -s ../../../opt/opengrads/README .
  ln -s ../../../opt/opengrads/Contents/Resources/Documentation .
)
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/etc/profile.d
cp $CWD/opengrads.sh $PKG/etc/profile.d/opengrads.sh
cp $CWD/opengrads.csh $PKG/etc/profile.d/opengrads.csh
chmod 0755 $PKG/etc/profile.d/*

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

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