#!/usr/bin/env ruby
# frozen_string_literal: true

# SPDX-License-Identifier: MIT OR Apache-2.0
#
# Copyright (c) 2018-2020 Andre Richter <andre.o.richter@gmail.com>

require 'fileutils'

WITH_EXTRA = '[X0-9]'
NO_EXTRA = '[0-9]'

def tutorial_folders(with_extra = true, testable = false)
    crates = Dir['*/Cargo.toml']

    crates.delete_if do |x|
        s = with_extra ? WITH_EXTRA : NO_EXTRA

        !/[#{s}][0-9]/.match?(x[0..1])
    end

    if testable
        crates.delete_if do |x|
            x[0..1].to_i < 13
        end
    end

    crates.sort!
end

puts tutorial_folders if $PROGRAM_NAME == __FILE__