build-emacs-for-macos/bin/download-tarball

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

require 'optparse'

require_relative '../lib/download_tarball'
require_relative '../lib/errors'
require_relative '../lib/log'

options = {
  repo: 'emacs-mirror/emacs',
  output: File.expand_path('../tarballs', __dir__),
  log_level: :info
}

OptionParser.new do |opts|
  opts.banner = <<~TXT
    Usage: ./download-tarball [options] <branch/tag/sha>

    Download a tarball of given GitHub repository branch, tag, or SHA.

    Options:
  TXT

  opts.on('-r', '--repo STRING',
          "GitHub repository (default: #{options[:repo]})") do |v|
    options[:repo] = v
  end

  opts.on('-o', '--output DIR', 'Directory to save tarball in ' \
          "(default: #{options[:output]})") do |v|
    options[:output] = v
  end

  opts.on('-l', '--log-level LEVEL', 'Log level ' \
          "(default: #{options[:log_level]})") do |v|
    options[:log_level] = v.to_sym
  end
end.parse!

begin
  logger = Log.new('download-tarball', options[:log_level])
  tarball = DownloadTarball.new(
    ref: ARGV[0],
    repo: options[:repo],
    output: options[:output],
    logger: logger
  ).perform

  puts tarball.to_yaml
rescue Error => e
  handle_error(e)
end