release

#! /bin/sh

RELEASE_DIR=packages

bin_release()
{
    name=erlport-$(get_version)
    root=$RELEASE_DIR/$name
    arch_name=erlport-$(get_erl_version)-$(get_version)

    mkdir $root
    copy_files "$(bin_files)" "$root"
    (cd $RELEASE_DIR && tar --owner root --group root -c $name \
                        | gzip -9 > $arch_name.tar.gz)
    (cd $RELEASE_DIR && zip -rq9 $arch_name.zip $name)
}

src_release()
{
    name=erlport
    root=$RELEASE_DIR/$name
    arch_name=erlport-src-$(get_version)

    mkdir $root
    copy_files "$(src_files)" "$root"
    (cd $RELEASE_DIR && tar --owner root --group root -c $name \
                        | gzip -9 > $arch_name.tar.gz)
    (cd $RELEASE_DIR && zip -rq9 $arch_name.zip $name)
}

copy_files()
{
    for n in $1; do
        path=$2/$(dirname $n)
        mkdir -p $path
        ln $n $path
    done
}

bin_files()
{
    ls -1 priv/python*/erlport/*.py
    ls -1 priv/ruby*/erlport/*.rb
    ls -1 src/*.[he]rl
    ls -1 ebin/*.app ebin/*.beam
    ls -1 AUTHORS CHANGES CONTRIBUTORS LICENSE README.rst
}

src_files()
{
    ls -1 priv/python*/Makefile
    find priv/python*/erlport -name '*.py'
    ls -1 priv/ruby*/Makefile
    find priv/ruby*/ -name '*.rb'
    ls -1 src/*.[he]rl
    find test -name '*.[he]rl' -o -name '*.py' -o -name '*.rb'
    ls -1 ebin/*.app
    ls -1 doc/overview.edoc
    ls -1 AUTHORS CHANGES CONTRIBUTORS LICENSE Makefile README.rst TODO
    ls -1 dialyzer.ignore release releaseall runtest testall
}

get_erl_version()
{
    erl -noinput \
        -eval 'ok = io:put_chars(erlang:system_info(otp_release))' \
        -s init stop | sed 's/^R\?\([0-9]\+\).*/R\1/'
}

get_version()
{
    awk -F \" '/{vsn,/ {print $2}' ebin/erlport.app
}

init_release_dir()
{
    mkdir -p $RELEASE_DIR
    find $RELEASE_DIR -mindepth 1 -maxdepth 1 -type d -exec rm -rf '{}' \;
}

main()
{
    if [ $# -ge 0 ]; then
        cmd="$1"
    else
        cmd="bin"
    fi
    init_release_dir
    case "$cmd" in
        src)
            src_release
            ;;
        *)
            bin_release
            ;;
    esac
}

set -e
main "$@"