#!/bin/bash

# Slackware build script for amanda

# Copyright (c) 2009  Chris Walker <kris240376@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
#   copyright notice, this list of conditions and the following disclaimer
#   in the documentation and/or other materials provided with the
#   distribution.
# * Neither the name of the {company} nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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 COPYRIGHT
# OWNER OR CONTRIBUTORS 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)

PRGNAM=amanda
VERSION=${VERSION:-3.3.9}
BUILD=${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

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

AMANDAUSR=${AMANDAUSR:-amanda}
AMANDAGRP=${AMANDAGRP:-amanda}
AMANDAUID=${AMANDAUID:-211}
AMANDAGID=${AMANDAGID:-211}

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

do_exit() {
  echo ; echo "You must have the ${AMANDAUSR} user and ${AMANDAGRP} group in"
  echo "order to build amanda.  Sample lines to do so are below:"
  echo "# groupadd -g ${AMANDAGID} ${AMANDAGRP}"
  echo "# useradd -u ${AMANDAUID} -d /var/lib/amanda -s /bin/false -g ${AMANDAGRP} ${AMANDAUSR}"
  echo "Exiting..." ; echo ; exit 1
}

# Check for Amanada user and group availability
if ! getent group | grep -q ^${AMANDAGRP}: 2>/dev/null ; then
  do_exit;
elif ! getent passwd | grep -q ^${AMANDAUSR}: 2>/dev/null ; then
  do_exit;
fi

set -e

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

PERLDIR=$(perl -V:installvendorlib | cut -d\' -f2)

CFLAGS="$SLKCFLAGS -fcommon -I/usr/include/tirpc -Wl,-ltirpc" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --localstatedir=/var/lib \
  --with-user=$AMANDAUSR \
  --with-group=$AMANDAGRP\
  --with-owner=root \
  --with-bsdtcp-security \
  --with-bsdudp-security \
  --with-rsh-security \
  --with-ssh-security \
  --with-bsdtcp-security \
  --with-amperldir=$PERLDIR \
  --disable-static \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

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

chown -R root:root $PKG/usr/man
find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/etc/$PRGNAM
for i in 3hole.ps 8.5x11.ps DIN-A4.ps DLT-A4.ps DLT.ps EXB-8500.ps \
  HP-DAT.ps amanda-client-postgresql.conf amanda-client.conf \
  amanda.conf chg-multi.conf chg-scsi.conf disklist ; do
    cat example/$i > $PKG/etc/$PRGNAM/$i.new ;
done

mkdir -p $PKG/var/lib/amanda
chown -R $AMANDAUSR:$AMANDAGRP $PKG/var/lib/amanda

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS INSTALL README $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README.Slackware > $PKG/usr/doc/$PRGNAM-$VERSION/README.Slackware
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cd $PKG/usr/doc/$PRGNAM-$VERSION
  for i in template.d example ChangeLog COPYRIGHT NEWS ReleaseNotes ; do
    ln -s ../../share/amanda/$i $i ;
  done
cd -

mkdir $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
