#!/bin/sh

check_aria2c_installed() {
    if ! command -v aria2c >/dev/null 2>&1; then
        echo "error: aria2c is not installed :( please install aria2c to use aria2pkg."
        exit 1
    fi
}

_base_url='https://aur.archlinux.org/cgit/aur.git/snapshot'

get_url_function() {
    _pkg="$1"
    _url="${_base_url}/${_pkg}.tar.gz"

    echo "$_url"
}

run_aria2pkg_function() {
    _pkg="$(echo "$1" | tr -d '[:space:]')"
    _url="$(get_url_function "$_pkg")"

    aria2c --quiet --console-log-level=error "$_url"
}

aria2pkg_function() {
    for _pkg in "$@"; do
        run_aria2pkg_function "$_pkg" &
    done
    wait
}

usage_function() {
    cat <<EOF
Usage:
    aria2pkg [-h|--help]
    aria2pkg <pkg> <pkg>...

Options:
    -h, --help
        print this help message
EOF
}

check_aria2c_installed

while [ $# -gt 0 ]; do
    case "$1" in
        -*)
            usage_function
            exit 0
            ;;
        *)
            aria2pkg_function "$@"
            exit 0
            ;;
    esac
done

# vim: set filetype=sh foldmethod=marker foldlevel=0: