#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild (v1)

# Written by alphamanitine ( fabio.testa@tin.it )
# Last build from <your name> ( your [at] email.address )

# Slackware build script for Grub2
# Official Site: http://www.gnu.org/software/grub/

# 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.

set -e


#### Remove all un-needed comments please!
#### See http://www.slacky.eu/wikislack/index.php?title=Linee_guida_per_pacchettizzatori for details

# Basic information. 
PKGNAME=grub
VERSION=${VERSION:-1.99}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
ARCH=${ARCH:-x86_64}
#SOURCE="ftp://ftp.gnu.org/gnu/grub/${PKGNAME}-${VERSION}.tar.gz"

# Does not touch following if not needed
CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}

CHOST="i486"
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 "
  LIBDIRSUFFIX="64"
  CHOST="x86_64"
fi

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

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --infodir=/usr/info \
  --mandir=/usr/man \
  --build=$CHOST-slackware-linux \

make
make install DESTDIR=$PKG

mkdir -p $PKG/etc/default
cat $CWD/etc.default.grub > $PKG/etc/default/grub.new

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

# convert gnu-unifont to a font useable by grub2 gfxterm.
$PKG/usr/bin/grub-mkfont -o $PKG/usr/share/grub/unifont.pf2 -abv \
  -s $FONT_SIZE /usr/share/fonts/TTF/unifont.ttf

rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*.info*

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 $PKG/usr/doc/$PKGNAME-$VERSION
cp -a ABOUT-NLS AUTHORS BUGS COPYING ChangeLog INSTALL NEWS README THANKS TODO \
  $PKG/usr/doc/$PKGNAME-$VERSION
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild

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

# Add .new extension to all configuration files
# and add them to doinst.sh
for file in $(find $PKG/etc -type f -perm -444)
do
  mv $file $file.new
  # This leads grub-mkconfig to abnormal behaviors.
  # chmod -x $file.new
  echo "config ${file#$PKG/}.new" >> $PKG/install/doinst.sh
done

cd $PKG
chown -R root:root $PKG

if [ -x "$(which requiredbuilder 2>/dev/null)" ];then
  requiredbuilder -y -v -s $CWD $PKG    
fi

/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi