#!/bin/bash

# Slackware build script for grub4dos

# Written by Steven Pledger <spledger91@yahoo.com>

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=grub4dos
VERSION=${VERSION:-0.4.5b_2011_02_20}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

TARVERSION=$(echo $VERSION | tr '_' '-')
SRCVERSION=$(echo $VERSION | cut -f1 -d_ )

# Now using the precompiled binary since Grub4dos doesn't build on other archs anyway
ARCH="i386"

# 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}

# Package Chinese version
CHINESE="${CHINESE:-no}"

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVERSION
# Guess they're using 7-zip archives now.
#unzip $CWD/$PRGNAM-$TARVERSION.zip
7z x $CWD/$PRGNAM-$TARVERSION.7z
cd $PRGNAM-$SRCVERSION
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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# bootlace.com is a hybrid DOS/Linux executable for installing grub4dos to MBR/PBR
mkdir -p $PKG/usr/sbin
install -m 0755 bootlace.com $PKG/usr/sbin

# grldr is the main bootloader file
# grub.exe is a modified version of grldr that can be loaded just like a Linux kernel
mkdir -p $PKG/usr/lib/$PRGNAM
if [ "$CHINESE" = "yes" ]; then
  cp -a chinese/grldr chinese/grub.exe $PKG/usr/lib/$PRGNAM
else
  cp -a grldr grub.exe $PKG/usr/lib/$PRGNAM
fi

# This file is needed to savedefault menu entry
cp -a default $PKG/usr/lib/$PRGNAM

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  COPYING README_GRUB4DOS.txt ChangeLog_GRUB4DOS.txt ChangeLog_chenall.txt \
  Get_Source_of_This_Build.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat menu.lst > $PKG/usr/doc/$PRGNAM-$VERSION/menu.lst.SAMPLE

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

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