#!/bin/sh

# Slackware build script for libvirt
# Written by Michal Bialozor <bialyy@o2.pl>

PRGNAM=libvirt
VERSION=${VERSION:-0.10.1}
BUILD=${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}

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

PYTHONSITEPKG=$(python -c "import sys, os; print os.path.join('/usr/lib${LIBDIRSUFFIX}', 'python%s' % sys.version[:3], 'site-packages')")

VIRTGROUP=${VIRTGROUP:-users}

if [ "${OPENVZ:-no}" = "no" ]; then
  enable_openvz="--without-openvz"
else
  enable_openvz="--with-openvz"
fi

if [ "${XEN:-no}" = "no" ]; then
  enable_xen="--without-xen"
else
  enable_xen="--with-xen"
fi

if [ "${VMWARE:-no}" = "no" ]; then
  enable_vmware="--without-vmware"
else
  enable_vmware="--with-vmware"
fi

if [ "${ESX:-no}" = "no" ]; then
  enable_esx="--without-esx"
else
  enable_esx="--with-esx"
fi

if [ "${VBOX:-no}" = "no" ]; then
  enable_vbox="--without-vbox"
else
  enable_vbox="--with-vbox"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION $PRGNAM-doinst-additions
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --bindir=/usr/sbin \
  --sbindir=/usr/sbin \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-static=no \
  --enable-shared=yes \
  --with-yajl \
  --with-python=/usr \
  --with-qemu-group=$VIRTGROUP \
  $enable_xen \
  $enable_openvz \
  $enable_vmware \
  $enable_esx \
  $enable_vbox \
  --with-init-script=none \
  --without-hal \
  --build=$ARCH-slackware-linux

make \
  HTML_DIR=/usr/doc/$PRGNAM-$VERSION \
  EXAMPLE_DIR=/usr/doc/$PRGNAM-$VERSION/examples
make \
  HTML_DIR=/usr/doc/$PRGNAM-$VERSION \
  EXAMPLE_DIR=/usr/doc/$PRGNAM-$VERSION/examples \
  install-strip DESTDIR=$PKG

# don't clobber existing configuration files
for i in etc/libvirt{,/nwfilter,/qemu/networks} etc/{logrotate.d,sasl2,sysctl.d}; do
  for j in $(ls -1 $PKG/$i); do
    if [ ! -d $PKG/$i/$j ]; then
      mv $PKG/$i/$j{,.new}
      echo "config $i/$j.new" >> $TMP/$PRGNAM-doinst-additions
    fi
  done
done

# add an rc.libvirt to start/stop/restart the daemon
install -D -m 0755 $CWD/rc.libvirt $PKG/etc/rc.d/rc.libvirt.new

# we use $VIRTGROUP as our virtualization group, fix auth permissions and
# consider the fact that by default we got no certs
sed -i \
  -e "s|^\#unix_sock_group\ =\ \"libvirt\"|unix_sock_group = \"$VIRTGROUP\"|" \
  -e "s|^\#unix_sock_rw_perms\ =\ \"0770\"|unix_sock_rw_perms = \"0770\"|" \
  -e "s|^\#auth_unix_ro.*|auth_unix_ro = \"none\"|" \
  -e "s|^\#auth_unix_rw.*|auth_unix_rw = \"none\"|" \
  -e "s|^\#listen_tls|listen_tls = 0|" \
  $PKG/etc/libvirt/libvirtd.conf.new

# still, we use $VIRTGROUP as our virtualization group
sed -i \
  -e "s|^\#group\ =\ \"root\"|group = \"$VIRTGROUP\"|" \
  $PKG/etc/libvirt/qemu.conf.new

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 $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  ABOUT-NLS AUTHORS ChangeLog COPYING* INSTALL README NEWS TODO \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
rm -rf $PKG/usr/share/doc

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

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