setup

#! /bin/bash

exec="continuwall"
path="/usr/local/bin/"
usage="Usage: ${0} <command>\n\
\n\
Commands:\n\
    build       creates a working executable in a directory 'build/'\n\
    clean       same as uninstall\n\
    install     installs into ${path}\n\
    uninstall   removes all build files and executables\n\
"

if [ "$#" -ne 1 ]; then
    printf "$usage"
    exit 0
fi

function build() {
    pushd src
    zip "$exec" *.py
    mv "${exec}.zip" "$exec"
    echo "#! /usr/bin/env python" | cat - "$exec" > temp && mv temp "$exec"
    chmod +x "$exec"
    popd
    if [ ! -d "build" ]; then
        mkdir build
    fi
    mv "src/$exec" "build/$exec"
}

if [ "$1" == "build" ]; then
    build
elif [ "$1" == "clean" ] || [ "$1" == "uninstall" ]; then
    if [ -d "build" ]; then
        rm -rf build
    fi
    if [ -f "${path}${exec}" ]; then
        rm "${path}${exec}"
    fi
elif [ "$1" == "install" ]; then
    build
    cp "build/$exec" "${path}${exec}"
else
    printf "$usage"
    exit 0
fi