dotfiles/zsh/func/append_to_path

# Eryn Wells <eryn@erynwells.me>
# vim:ft=zsh:

append_to_path() {
    local should_export_path=1

    while getopts "e" opt; do
        case $opt in
            "e") should_export_path=1;;
            "+e") should_export_path=0;;
            *) >&2 echo "$0: unknown option '$opt'"
        esac
    done

    local path_to_add=$@[$OPTIND]
    if [[ -d "$path_to_add" ]]; then
        path+="$path_to_add"

        if (( $should_export_path )); then
            export path
        fi

        return 1
    fi

    return 0
}

append_to_path "$@"