#!/bin/sh

# Slackware build script for eclim

# Copyright 2016-2018 Andrew Clemons, Wellington New Zealand
# All rights reserved.
#
# 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.

PRGNAM=eclim
VERSION=${VERSION:-2.7.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

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 -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# http://eclim.org/install.html#install-source
(
  # build nailgun
  cd org.eclim/nailgun

  chmod +x configure
  sed -i 's/ -s -O3//' Makefile.in

  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  ./configure

  make

  find . -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
      | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
)

chmod +x bin/sphinx

# allow building with root - eek
sed -i "s/'root'/'dummy'/g" ant/build.gant

ECLIPSE_HOME=${ECLIPSE_HOME:-/opt/eclipse-java}
ECLIPSE_HOME=${ECLIPSE_HOME%/}

# thanks to the archlinux maintainer (thanks to mikezackles)
sed -i \
    -e "s|File(getVariable('eclipse')|File('$ECLIPSE_HOME/'|g" \
    -e 's|${user.home}/\.|${vim.files}/|g' \
    -e '69,88d' \
    ant/build.gant

ant build -Declipse.home=$ECLIPSE_HOME -Dvim.files=/usr/share/vim/vimfiles

mkdir -p $PKG/usr/share/vim/vimfiles
mkdir -p $PKG$ECLIPSE_HOME

ant docs vimdocs -Declipse.home=$ECLIPSE_HOME -Dvim.files=$PKG/usr/share/vim/vimfiles
ant deploy -Declipse.home=$PKG$ECLIPSE_HOME -Dvim.files=$PKG/usr/share/vim/vimfiles

# tidy up
sed -i "s|$PKG||" \
  $PKG$ECLIPSE_HOME/plugins/org.eclim_$VERSION/bin/eclimd \
  $PKG$ECLIPSE_HOME/plugins/org.eclim_$VERSION/plugin.properties \
  $PKG/usr/share/vim/vimfiles/eclim/plugin/eclim.vim

# generate tags for help files
echo "ignored" | vim \
  -c "set rtp^=$PKG/usr/share/vim/vimfiles" \
  -c "source $PKG/usr/share/vim/vimfiles/plugin/eclim.vim" \
  -c 'EclimHelp' \
  -c 'q!' -

find $PKG$ECLIPSE_HOME/plugins/org.eclim_$VERSION/nailgun \! -name ng -mindepth 1 -print0 | xargs -0 rm -rf
rm -rf build/doc/site/.doctrees

# neovim support
mkdir -p $PKG/usr/share/nvim/runtime/plugin
(
  cd $PKG/usr/share/nvim/runtime

  ln -s ../../vim/vimfiles/eclim eclim
  ln -s ../../../vim/vimfiles/plugin/eclim.vim plugin/eclim.vim
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  build/doc/site \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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:-tgz}