#!/bin/sh

# Slackware build script for xen

# Written by:
#   mario (mario@slackverse.org)
#   Chris Abela (chris.abela@maltats.com)

PRGNAM=xen
VERSION=${VERSION:-4.0.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
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-$VERSION.tar.gz
cd $PRGNAM-$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 {} \;

make -C xen \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man
make -C tools \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man
make -C docs \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man

make install-xen \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man \
  DESTDIR=$PKG
make install-tools \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man \
  DESTDIR=$PKG
make install-docs \
  docdir=/usr/doc/$PRGNAM-$VERSION \
  DOCDIR=/usr/doc/$PRGNAM-$VERSION \
  mandir=/usr/man \
  MANDIR=/usr/man \
  DESTDIR=$PKG

# Move from SYSV to BSD init scripts
mkdir -p $PKG/etc/rc.d/
mv $PKG/etc/init.d/xend $PKG/etc/rc.d/rc.xend.new
mv $PKG/etc/init.d/xendomains $PKG/etc/rc.d/rc.xendomains.new
mv $PKG/etc/sysconfig/xendomains $PKG/etc/xen/xendomains.config
sed -i 's:\/etc\/sysconfig\/xendomains:\/etc\/xen/xendomains.config:
  s:\/etc\/init.d\/xendomains:\/etc\/rc.d\/rc.xendomains:' \
  $PKG/etc/rc.d/rc.xendomains.new
# Fully qualified paths are needed for /etc/rc.d/rc.local_shutdown
sed -i 's:\(^[[:space:]]*\)xend :\1/usr/sbin/xend : ' $PKG/etc/rc.d/rc.xend.new
sed -i 's:\([^_/]\)xm :\1/usr/sbin/xm :' $PKG/etc/rc.d/rc.xendomains.new

# Put udev rules files in the right place
mkdir -p $PKG/lib/udev/rules.d
mv $PKG/etc/udev/xen*.rules $PKG/lib/udev/rules.d/
rm -rf $PKG/etc/udev

# Remove useless symlinks in boot/
find $PKG/boot/ -type l -a -name "xen-*" -exec rm -f {} \;

# Remove empty directories
rm -rf $PKG/etc/{init.d,sysconfig}

# Append .new to config files
for i in $PKG/etc/xen/{*.sxp,*.config,*.xml} ; do mv $i $i.new ; done

find $PKG | 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/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

cp -a COPYING README $CWD/{dom0,domU} $PKG/usr/doc/$PRGNAM-$VERSION
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION/{dom0,domU}
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE

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

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