#!/bin/sh

# Slackware build script for powerpanel

# Copyright 2017  Jason Graham Baltimore, MD, USA
# 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=powerpanel
VERSION=${VERSION:-1.3.2}
PKGVER=${VERSION//./}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ "$ARCH" = "i586" ] || [ "$ARCH" = "i686" ]; then
  PKGARCH=i386
elif [ "$ARCH" = "x86_64" ]; then
  PKGARCH=x86_64
else
  printf "$ARCH is not supported.\n"; exit 1
fi

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

set -e

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

# Install binary files
mkdir -p $PKG/usr/sbin
install -D -m 0755 bin/pwrstat $PKG/usr/sbin/pwrstat
install -D -m 0755 bin/pwrstatd $PKG/usr/sbin/pwrstatd

# Install scripts
mkdir -p $PKG/etc/powerpanel
for f in script/*.sh
do
  install -D -m 0755 $f $PKG/etc/powerpanel/${f##*/}
done
# Making links since these are required to be in /etc (they are
# actually hardcoded in pwrstatd...no seriously, they are).
ln -s /etc/powerpanel/shutdown.sh $PKG/etc/shutdown.sh
ln -s /etc/powerpanel/hibernate.sh $PKG/etc/hibernate.sh

# Update scripts configuration with updated email script location
sed -i 's/\/etc\/pwrstatd-email.sh/\/etc\/powerpanel\/pwrstatd-email.sh/g' $PKG/etc/powerpanel/pwrstatd-lowbatt.sh
sed -i 's/\/etc\/pwrstatd-email.sh/\/etc\/powerpanel\/pwrstatd-email.sh/g' $PKG/etc/powerpanel/pwrstatd-powerfail.sh

# Install config file and update locations for scripts
cat conf/pwrstatd.conf > $PKG/etc/pwrstatd.conf
sed -i  's/\/etc\/init.d\/pwrstatd/\/etc\/rc.d\/rc.pwrstatd/g' $PKG/etc/pwrstatd.conf
sed -i  's/\/etc\/pwrstatd-lowbatt.sh/\/etc\/powerpanel\/pwrstatd-lowbatt.sh/g' $PKG/etc/pwrstatd.conf
sed -i  's/\/etc\/pwrstatd-powerfail.sh/\/etc\/powerpanel\/pwrstatd-powerfail.sh/g' $PKG/etc/pwrstatd.conf

# Install rc script
mkdir -p $PKG/etc/rc.d
install -D -m 0644 script/default_pwrstatd $PKG/etc/rc.d/rc.pwrstatd
sed -i 's/default_pwrstatd/rc.pwrstatd/g' $PKG/etc/rc.d/rc.pwrstatd

# Install man pages
mkdir -p $PKG/usr/man/man8
cat doc/pwrstat.8 > $PKG/usr/man/man8/pwrstat.8
cat doc/pwrstatd.8 > $PKG/usr/man/man8/pwrstatd.8

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/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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  doc/LICENSE doc/README doc/deploy-guide doc/user-manual $CWD/README.SLACKWARE \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

# Don't clobber existing config files
find $PKG/etc -type f -exec mv {} {}.new \;

# Make sure we preserve permissions on rc-script(s)
( cd $PKG
  for i in $(find etc/rc.d -type f -name "*.new") ; do
    echo "preserve_perms $i" >> $PKG/install/doinst.sh
  done
)

( cd $PKG
  for i in $(find etc -type f -name "*.new" -not -path "etc/rc.d/*") ; do
    echo "config $i" >> $PKG/install/doinst.sh ;
  done
)

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