#!/bin/bash
NPROC=$(nproc)
BASE_PREFIX=~/.pkgr

install () {
    rm -rf build/*
    wget -O build/package "$source"
    cd build
    if [[ -n $(file package | grep "Zip archive data") ]]; then
        unzip package
    fi
    if [[ -n $(file package | grep "compressed data") ]]; then
        tar xf package
    fi
    rm package
    cd *
    for step in "${steps[@]}"; do
        step="${step/\$PREFIX/$PREFIX}"
        eval $step
    done
    ln -s "$PREFIX/bin/$name" ~/.pkgr/bin/$name
}

remove () {
    rm -rf $BASE_PREFIX/bin/$name $PREFIX
}

load_blueprint () {
    if ! [[ -f ./$1 ]]; then
        echo "no blueprint specified"
        exit
    fi
    source ./$1
    PREFIX=$BASE_PREFIX/$name
}

if [[ -z $1 ]]; then
    echo "no operation specified"
    exit
fi

case $1 in

    install)
        load_blueprint $2
        install $2
        ;;

    remove)
        load_blueprint $2
        remove $2
        ;;

    list)
        ls $BASE_PREFIX/bin
        exit
        ;;

    *)
        echo "unknown operation"
        ;;
esac