brew/Library/Homebrew/dev-cmd/bump.rb

# typed: true
# frozen_string_literal: true

require "cli/parser"
require "livecheck/livecheck"

module Homebrew
  extend T::Sig

  module_function

  sig { returns(CLI::Parser) }
  def bump_args
    Homebrew::CLI::Parser.new do
      description <<~EOS
        Display out-of-date brew formulae and the latest version available.
        Also displays whether a pull request has been opened with the URL.
      EOS
      flag   "--limit=",
             description: "Limit number of package results returned."

      named_args :formula
    end
  end

  def bump
    args = bump_args.parse

    requested_formulae = args.named.to_formulae.presence
    requested_limit = args.limit.to_i if args.limit.present?

    if requested_formulae
      Livecheck.load_other_tap_strategies(requested_formulae)

      requested_formulae.each_with_index do |formula, i|
        puts if i.positive?

        if formula.head_only?
          ohai formula.name
          puts "Formula is HEAD-only."
          next
        end

        package_data = Repology.single_package_query(formula.name)
        retrieve_and_display_info(formula, package_data&.values&.first)
      end
    else
      outdated_packages = Repology.parse_api_response(requested_limit)
      outdated_packages.each_with_index do |(_name, repositories), i|
        puts if i.positive?

        homebrew_repo = repositories.find do |repo|
          repo["repo"] == "homebrew"
        end

        next if homebrew_repo.blank?

        formula = begin
          Formula[homebrew_repo["srcname"]]
        rescue
          next
        end

        retrieve_and_display_info(formula, repositories)

        break if requested_limit && i >= requested_limit
      end
    end
  end

  def livecheck_result(formula)
    skip_result = Livecheck::SkipConditions.skip_information(formula)
    if skip_result.present?
      return "#{skip_result[:status]}#{" - #{skip_result[:messages].join(", ")}" if skip_result[:messages].present?}"
    end

    version_info = Livecheck.latest_version(
      formula,
      json: true, full_name: false, verbose: false, debug: false,
    )
    latest = version_info[:latest] if version_info.present?

    return "unable to get versions" if latest.blank?

    latest.to_s
  end

  def retrieve_pull_requests(formula)
    pull_requests = GitHub.fetch_pull_requests(formula.name, formula.tap&.full_name, state: "open")
    if pull_requests.try(:any?)
      pull_requests = pull_requests.map { |pr| "#{pr["title"]} (#{Formatter.url(pr["html_url"])})" }.join(", ")
    end

    return "none" if pull_requests.blank?

    pull_requests
  end

  def retrieve_and_display_info(formula, repositories)
    current_version = formula.stable.version.to_s

    repology_latest = if repositories.present?
      Repology.latest_version(repositories)
    else
      "not found"
    end

    livecheck_latest = livecheck_result(formula)
    pull_requests = retrieve_pull_requests(formula)

    title = if current_version == repology_latest &&
               current_version == livecheck_latest
      "#{formula} is up to date!"
    else
      formula.name
    end

    ohai title
    puts <<~EOS
      Current formula version:  #{current_version}
      Latest Repology version:  #{repology_latest}
      Latest livecheck version: #{livecheck_latest}
      Open pull requests:       #{pull_requests}
    EOS
  end
end