#!/bin/bash

#################################################################
# Program: slacktrack.SlackBuild
# Purpose: Build a Slackware Package of slacktrack
# Author : Stuart Winter <mozes@slackware.com>
# Version: 1.06
# Date...: 05-Apr-2013
#################################################################

PKGNAM=slacktrack
VERSION=${VERSION:-2.18}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
case "$( uname -m )" in
  i?86)    export ARCH=i586
           PKGEXT=txz ;;
  arm*)    export ARCH=arm
           PKGEXT=txz ;;
  # Unless $ARCH is already set, use uname -m for all other archs:
     *)    export ARCH=$( uname -m )
           PKGEXT=txz ;;
esac

SLACKPACKAGE=$PKGNAM-$VERSION-$ARCH-$BUILD.$PKGEXT

# Resting place for the package .t?z:
PKGSTORE=${PKGSTORE:=/tmp}

# Temporary unarchive, compile & package-root directory:
TMP=/tmp/build-slacktrack
PKG=/tmp/package-slacktrack

# Work out where we are now so we can untar our source ball from it:
CWD=$PWD

# Delete previous build dirs
rm -rf $PKG $TMP
mkdir -pm755 $PKG $TMP

# Create package framework:
mkdir -pm755 $PKG/{install,usr/{libexec/slacktrack,bin,doc/$PKGNAM-${VERSION},man/man8}}

# slacktrack's docs:
cp -fav $CWD/docs/* $PKG/usr/doc/$PKGNAM-${VERSION}
rm -fv $PKG/usr/doc/$PKGNAM-${VERSION}/INSTALL

# Fix any wonky permissions the docs may have attracted:
find $PKG/usr/doc -type f -print0 | xargs -0 chmod 644
find $PKG/usr/doc -type f -print0 | xargs -0 chown root:root

# Install man pages:
( cd $CWD/man
  ./man.build
  gzip -9c slacktrack.8 > $PKG/usr/man/man8/slacktrack.8.gz
  gzip -9c slackdtxt.8  > $PKG/usr/man/man8/slackdtxt.8.gz
  rm -f *.8 )

# Install slacktrack & friends:
install -oroot -groot -vpm755 $CWD/scripts/{slacktrack,slackdtxt} \
                             $PKG/usr/bin

# Build the ln wrapper:
gcc -O3 $CWD/ln-wrapper.c -o $PKG/usr/libexec/slacktrack/ln || exit 1
strip --strip-unneeded $PKG/usr/libexec/slacktrack/ln

# Install package description:
install -vpm644 $CWD/slack-desc $PKG/install

# Build package:
cd $PKG
chown -R root:root .
chmod -R og-w .
makepkg -l y -c n $PKGSTORE/$SLACKPACKAGE

# Create the corresponding .txt description file:
( cd $PKGSTORE && $CWD/scripts/slackdtxt $SLACKPACKAGE )

# Package maintainer stuff:
PARAMS="$( getopt -qn "$( basename $0 )" -o iz -- "$@" )"
if [ $? -eq 0 ]; then 
    eval set -- "$PARAMS"
    for option in $* ; do
    case "${option}" in
         -i) 
           removepkg slacktrack
           installpkg $PKGSTORE/$SLACKPACKAGE
           shift ;;

         -z)
           echo -n "Making a distributable source archive"
           ( cd $CWD/..
             # Don't worry, you're not missing much!
             chown -R root:root .
             tar --exclude slacktrack/2bourbon \
                 --exclude slacktrack/old_stuff \
                 -Ixz -cf $CWD/../slackware-package-dir/slacktrack/$PKGNAM-${VERSION}-source.tar.xz slacktrack-project )
             echo " ... done"
             shift ;;
    esac done
fi

# Delete temporary build dir and package-root.
# I don't like doing this anymore - I prefer to be able to refer back to
# the compiled source tree after the build.
#rm -rf $TMP $PKG