#!/bin/bash

version=`grep Version: *spec | sed -e 's/Version:\s*\(.*\)/\1/'`

wget https://github.com/twall/jna/tarball/${version} -O jna-${version}.tar.gz

rm -rf jna-${version}

tar xf jna-${version}.tar.gz

mv twall-jna-* jna-${version}

# remove bundled things with unknown licensing

rm -rvf jna-${version}/{dist/*,www,native/libffi}

# jars in lib/native subdir need to be present in tarball so

# that final jar can be built. They can be empty and then have no

# effect on resulting jar. One jar (depending on architecture) will

# be replaced with full content (containing libjnidispatch.so)

for njar in jna-${version}/lib/native/*.jar; do

    rm -v $njar

    jar cf $njar /dev/null 2> /dev/null

done

find jna-${version} -iname '*jar' -size +1b -delete

find jna-${version} -name '*.class' -delete

tar cJf jna-${version}.tar.xz jna-${version}