#!/bin/sh

# Slackware build script for Sonatype Nexus

# Copyright 2013  Giorgio Peron Campodarsego, PD, Italy giorgio.peron@gmail.com
# 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.

PRGNAM=nexus
VERSION=${VERSION:-2.5.0_04}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCVERSION=$(echo $VERSION | tr _ -)

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}

if [ "$ARCH" = "i486" ]; then
  NEXUS_ARCH="linux-x86-32"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  NEXUS_ARCH="linux-x86-32"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  NEXUS_ARCH="linux-x86-64"
  LIBDIRSUFFIX="64"
else
  echo "ARCH $ARCH not supported"
  exit 1
fi

set -e 

# Check if the 'nexus' user & group exist:
if [ "$(grep ^nexus /etc/passwd)" = "" -o "$(grep ^nexus /etc/group)" = "" ] ; then
  printf "\nYou must have a nexus user and group.\n\nExample:\n"
  printf "\t# groupadd -g 252 nexus\n"
  printf "\t# useradd -u 252 -d /dev/null -s /bin/sh -g nexus nexus\n\n"
  exit 1
fi

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKG/var/{lib,log,run,tmp}/$PRGNAM
mkdir -p $PKG/etc/rc.d
mkdir -p $PKG/etc/$PRGNAM
mkdir -p $PKG/usr/share/$PRGNAM/bin/jsw/lib

mv *.txt $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mv lib $PKG/usr/share/$PRGNAM
mv $PRGNAM $PKG/usr/share/$PRGNAM/
mv conf/* $PKG/etc/$PRGNAM
mv bin/$PRGNAM $PKG/usr/share/$PRGNAM/bin
mv bin/jsw/conf/* $PKG/etc/$PRGNAM
mv bin/jsw/license $PKG/usr/share/$PRGNAM/bin/jsw
mv bin/jsw/lib/*.jar $PKG/usr/share/$PRGNAM/bin/jsw/lib
mv bin/jsw/lib/libwrapper-$NEXUS_ARCH.so $PKG/usr/share/$PRGNAM/bin/jsw/lib
mv bin/jsw/$NEXUS_ARCH $PKG/usr/share/$PRGNAM/bin/jsw

cd $PKG/usr/share/$PRGNAM
ln -sf ../../../etc/$PRGNAM conf 
ln -sf ../../../var/tmp/$PRGNAM tmp
ln -sf ../../../var/log/$PRGNAM logs
cd -
cd $PKG/usr/share/$PRGNAM/bin/jsw
  ln -sf ../../../../../etc/$PRGNAM conf
cd -

# Rename to rc.nexus
mv $PKG/usr/share/$PRGNAM/bin/$PRGNAM $PKG/etc/rc.d/rc.$PRGNAM.new
# Fix configuration files
sed -i "s:NEXUS_HOME=\"..\":NEXUS_HOME=\"/usr/share/$PRGNAM\":g" $PKG/etc/rc.d/rc.$PRGNAM.new
sed -i "s:#RUN_AS_USER=:RUN_AS_USER=nexus:g" $PKG/etc/rc.d/rc.$PRGNAM.new
sed -i "s:#PIDDIR=\".\":PIDDIR=\"/var/run/$PRGNAM\":g" $PKG/etc/rc.d/rc.$PRGNAM.new
sed -i "s:DIST_ARCH=\`uname -p:DIST_ARCH=\`uname -m:g" $PKG/etc/rc.d/rc.$PRGNAM.new
sed -i "s:nexus-work=\${bundleBasedir}/../sonatype-work/nexus:nexus-work=/var/lib/$PRGNAM:g" $PKG/etc/$PRGNAM/$PRGNAM.properties
sed -i "s:wrapper.working.dir=../../..:wrapper.working.dir=/usr/share/$PRGNAM:g" $PKG/etc/$PRGNAM/wrapper.conf
sed -i "s:wrapper.java.command=java:wrapper.java.command=/usr/lib$LIBDIRSUFFIX/java/bin/java:g" $PKG/etc/$PRGNAM/wrapper.conf
mv $PKG/etc/$PRGNAM/$PRGNAM.properties $PKG/etc/$PRGNAM/$PRGNAM.properties.new
mv $PKG/etc/$PRGNAM/wrapper.conf $PKG/etc/$PRGNAM/wrapper.conf.new

#Fix ownership of some dirs
chown -R nexus:nexus $PKG/var/{lib,log,run,tmp}/$PRGNAM

mkdir -p $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:-tgz}