build

#!/bin/bash

output_file=kafka-bash-completion
installation_dir=/etc/bash_completion.d

_concat_files() {
    echo '# vi:ft=bash'

    echo

    # Print the license
    sed 's/^/# /' LICENSE

    # Print the Doc
    echo
    echo '# This script provides bash autocompletion for the following Kafka commands:'
    for f in *.autocomplete; do
        echo -e "#\t${f%.autocomplete}"
    done
    echo -e "\n# The environment variables \n# KAFKA_BOOTSTRAP_SERVER and KAFKA_BROKER_LIST\n# can optionally be set to be used as completion suggestions"

    # print the helpers
    echo
    echo "####################"
    echo "# Helper Functions #"
    echo "####################"
    cat helpers.sh

    # print the functions
    echo
    echo "########################"
    echo "# Completion Functions #"
    echo "########################"

    for f in *.autocomplete; do
        #local cmd=${f%.sh.autocomplete}
        local cmdsh=${f%.autocomplete}
        #local fn="_${cmd//-/_}_complete"

        echo -e "\n# Completion for ${f%.autocomplete}"
        sed '/#\s*INCLUDE/,/#\s*END_INCLUDE/!d;//d' $f
    done

    # wire them up
    echo 
    for f in *.autocomplete; do
        local cmd=${f%.sh.autocomplete}
        local cmdsh=${f%.autocomplete}
        local fn="_${cmd//-/_}_complete"

        echo "complete -F $fn $cmdsh"
        echo "complete -F $fn $cmd"
    done

} > $output_file

build() {
    _concat_files > $output_file
}

clean() {
    rm $output_file
}

install() {
    mkdir -p $installation_dir
    [[ -f $output_file ]] && {
        echo "Copying $output_file to $installation_dir"
            cp $output_file $installation_dir 
        } 
}

usage() {
    echo "Usage: $0 [--build|--clean|--install|--help]"
}

case ${1:-'-b'} in
    --makefile)
        _concat_files
        ;;
    -c|--clean)
        clean
        ;;
    -h|--help)
        usage
        ;;
    -b|--build)
        build
        ;;
    -i|--install)
        install
        ;;
    *)
        usage
        ;;
esac