#!/bin/bash -e

#

# Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

# Create a bundle in the current directory, containing what's needed to run

# the 'pandoc' program by the OpenJDK build.

TMPDIR=`mktemp -d -t pandocbundle-XXXX`

trap "rm -rf \"$TMPDIR\"" EXIT

ORIG_DIR=`pwd`

cd "$TMPDIR"

PANDOC_VERSION=1.17.2

FULL_PANDOC_VERSION=1.17.2-1

PACKAGE_VERSION=1.0

TARGET_PLATFORM=linux_x64

BUNDLE_NAME=pandoc-$TARGET_PLATFORM-$PANDOC_VERSION+$PACKAGE_VERSION.tar.gz

wget https://github.com/jgm/pandoc/releases/download/$PANDOC_VERSION/pandoc-$FULL_PANDOC_VERSION-amd64.deb

mkdir pandoc

cd pandoc

ar p ../pandoc-$FULL_PANDOC_VERSION-amd64.deb data.tar.gz | tar xz

cd ..

# Pandoc depends on libgmp.so.10, which in turn depends on libc. No readily

# available precompiled binaries exists which match the requirement of

# support for older linuxes (glibc 2.12), so we'll compile it ourselves.

LIBGMP_VERSION=6.1.2

wget https://gmplib.org/download/gmp/gmp-$LIBGMP_VERSION.tar.xz

mkdir gmp

cd gmp

tar xf ../gmp-$LIBGMP_VERSION.tar.xz

cd gmp-$LIBGMP_VERSION

./configure --prefix=$TMPDIR/pandoc/usr

make

make install

cd ../..

cat > pandoc/pandoc << EOF

#!/bin/bash

# Get an absolute path to this script

this_script_dir=\`dirname \$0\`

this_script_dir=\`cd \$this_script_dir > /dev/null && pwd\`

export LD_LIBRARY_PATH="\$this_script_dir/usr/lib:\$LD_LIBRARY_PATH"

exec \$this_script_dir/usr/bin/pandoc "\$@"

EOF

chmod +x pandoc/pandoc

tar -cvzf ../$BUNDLE_NAME pandoc

cp ../$BUNDLE_NAME "$ORIG_DIR"