#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild
# Written by Fabio Zorba (http://www.zoros.org)
# Thanks to Loris Vincenzi (http://www.slacky.eu)

# Slackware build script for librecad
# Official Site: http://librecad.org

# 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

PKGNAME=librecad
VERSION=${VERSION:-2.0.0alpha1}
BRANCH=master
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
ARCH=${ARCH:-i486}
GET_TARBALL="wget --no-check-certificate https://github.com/LibreCAD/LibreCAD/tarball/$BRANCH -O librecad-$VERSION.tar.gz"

CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}

if [ ! -f $CWD/librecad-$VERSION.tar.gz ];then
 echo "Get tarball: librecad-$VERSION.tar.gz ..."
 $GET_TARBALL
fi

#Extract files and get path to sources
tar -xzf librecad-$VERSION.tar.gz
SOURCE_PATHNAME=`ls -1 | grep LibreCAD`

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 -fPIC"
  LIBDIRSUFFIX="64"
  CHOST="x86_64"
fi

rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
rm -Rf $PKGNAME-$VERSION
mkdir -p $PKGNAME-$VERSION
cp -Rvpdf $CWD/$SOURCE_PATHNAME/* $PKGNAME-$VERSION
cd $PKGNAME-$VERSION

chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# --- BUILDING ---
echo Building ...

LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
qmake
make 2>&1 | tee $CWD/make-$PKGNAME-$VERSION.log
./scripts/postprocess-unix.sh

mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
mkdir -p $PKG/usr/{bin,share,share/applications,share/icons,share/mimelnk/application,man/man1}
mkdir -p $PKG/opt/librecad

cp -Rvpdf $TMP/$PKGNAME-$VERSION/unix/* $PKG/opt/librecad/

cp $TMP/$PKGNAME-$VERSION/desktop/librecad.1 $PKG/usr/man/man1/

cp -f $CWD/librecad $PKG/usr/bin/
cp -f $CWD/librecad.desktop $PKG/usr/share/applications/
cp -f $CWD/librecad.png $PKG/usr/share/icons/
cp -f $CWD/x-librecad.desktop $PKG/usr/share/mimelnk/application/

cd $TMP/$PKGNAME-$VERSION
cp -f README* LICENSE* $PKG/usr/doc/$PKGNAME-$VERSION

cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/slack-desc

if [ -d $PKG/usr/man ]; then
    ( cd $PKG/usr/man
      find . -type f -exec gzip -9 {} \;
      for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
    )
fi

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)

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

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