#!/bin/sh
# $Id$
# Copyright 2015  Eric Hameleers, Eindhoven, NL
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:          Eric Hameleers <alien@slackware.com>
# For:         iscan-network-nt
# Descr:       SANE network plugin for iscan
# URL:         https://epson.net/
# Build needs: 
# Needs:       
# Changelog:   
# 1.1.1-1:     29/Jun/2015 by Eric Hameleers <alien@slackware.com>
#              * Initial build.
# 
# Run 'sh iscan-network-nt.SlackBuild' to build a Slackware package.
# The package (.t?z) and .txt file as well as build logs are created in /tmp .
# Install the package using 'installpkg' or 'upgradepkg --install-new'.
#
# -----------------------------------------------------------------------------

PRGNAM=iscan-network-nt
VERSION=${VERSION:-1.1.1}
BUILD=${BUILD:-1}
NUMJOBS=${NUMJOBS:-" -j4 "}
TAG=${TAG:-alien}

DOCS="AVASYSPL.en.txt copyright NEWS.gz README"

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
MARCH=${ARCH:-$( uname -m )}
case "$MARCH" in
  x86_64)
    LIBDIRSUFFIX="64"
    export ARCH=x86_64
    export PARCH=amd64
    SOURCE="$SRCDIR/${PRGNAM}_${VERSION}-1_${PARCH}.deb"
    SRCURL="https://download3.ebz.epson.net/dsc/f/03/00/03/61/60/41e00501e67a849926adf271afdb4eb258d0b6b8/${PRGNAM}_${VERSION}-1_${PARCH}.deb"
    ;;
  i?86)
    LIBDIRSUFFIX=""
    export ARCH=i386
    export PARCH=i386
    SOURCE="$SRCDIR/${PRGNAM}_${VERSION}-1_${PARCH}.deb"
    SRCURL="https://download3.ebz.epson.net/dsc/f/03/00/03/61/60/036fa32e8febc77061170283f84b6b1632949b23/${PRGNAM}_${VERSION}-1_${PARCH}.deb"
    ;;
  *)
    echo "Unsupported architecture '$ARCH'"
    exit 1
    ;;
esac


# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
rm -rf $OUTPUT/{checkout,configure,make,install,error,makepkg,patch}-$PRGNAM.log
                          # remove old log files

# Source file availability:
if ! [ -f ${SOURCE} ]; then
  echo "Source '$(basename ${SOURCE})' not available yet..."
  # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
  [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/$(basename $SOURCE)"
  if [ -f ${SOURCE} ]; then echo "Ah, found it!"; continue; fi
  if ! [ "x${SRCURL}" == "x" ]; then
    echo "Will download file to $(dirname $SOURCE)"
    wget -nv -T 20 -O "${SOURCE}" "${SRCURL}" || true
    if [ $? -ne 0 -o ! -s "${SOURCE}" ]; then
      echo "Downloading '$(basename ${SOURCE})' failed... aborting the build."
      mv -f "${SOURCE}" "${SOURCE}".FAIL
      exit 1
    fi
  else
    echo "File '$(basename ${SOURCE})' not available... aborting the build."
    exit 1
  fi
fi

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM
# Extract the .deb file:
mkdir -p ${PRGNAM}-${VERSION}
cd ${PRGNAM}-${VERSION}
ar x ${SOURCE}
tar xvf data.tar.gz
chown -R root:root .
chmod -R u+w,go+r-w,a+rX-st .

# Install the network plugin:
mkdir -p ${PKG}/usr/lib${LIBDIRSUFFIX}/iscan
install -m0755 usr/lib/iscan/network \
  ${PKG}/usr/lib${LIBDIRSUFFIX}/iscan/network

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cd usr/share/doc/$PRGNAM/
  cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cd -
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

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

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-tgz}.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt

# Restore the original umask:
umask ${_UMASK_}