Module: Homebrew::API Private

Extended by:
Cachable, Utils::Output::Mixin
Defined in:
api.rb,
api/cask.rb,
api/formula.rb,
api/internal.rb,
api/analytics.rb,
api/json_download.rb,
api/source_download.rb

Overview

This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.

Helper functions for using Homebrew's formulae.brew.sh API.

Defined Under Namespace

Modules: Analytics, Cask, Formula, Internal Classes: JSONDownload, JSONDownloadStrategy, SourceDownload, SourceDownloadStrategy

Constant Summary collapse

HOMEBREW_CACHE_API =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

T.let((HOMEBREW_CACHE/"api").freeze, Pathname)
HOMEBREW_CACHE_API_SOURCE =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

T.let((HOMEBREW_CACHE/"api-source").freeze, Pathname)
DEFAULT_API_STALE_SECONDS =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning.

1 day

T.let(86400, Integer)

Class Method Summary collapse

Methods included from Utils::Output::Mixin

odebug, odeprecated, odie, odisabled, ofail, oh1, oh1_title, ohai, ohai_title, onoe, opoo, opoo_outside_github_actions, pretty_duration, pretty_installed, pretty_outdated, pretty_uninstalled

Methods included from Cachable

cache, clear_cache

Class Method Details

.cask_renames ⇒ Hash{String => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 328

def self.cask_renames
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.cask_renames
  else
    Homebrew::API::Cask.all_renames
  end
end

.cask_tap_migrations ⇒ Hash{String => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 337

def self.cask_tap_migrations
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.cask_tap_migrations
  else
    Homebrew::API::Cask.tap_migrations
  end
end

.cask_tokens ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 319

def self.cask_tokens
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.cask_hashes.keys
  else
    Homebrew::API::Cask.all_casks.keys
  end
end

.fetch(endpoint) ⇒ Hash{String => T.untyped}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'api.rb', line 23

def self.fetch(endpoint)
  return cache[endpoint] if cache.present? && cache.key?(endpoint)

  api_url = "#{Homebrew::EnvConfig.api_domain}/#{endpoint}"
  output = Utils::Curl.curl_output("--fail", api_url)
  if !output.success? && Homebrew::EnvConfig.api_domain != HOMEBREW_API_DEFAULT_DOMAIN
    # Fall back to the default API domain and try again
    api_url = "#{HOMEBREW_API_DEFAULT_DOMAIN}/#{endpoint}"
    output = Utils::Curl.curl_output("--fail", api_url)
  end
  raise ArgumentError, "No file found at: #{Tty.underline}#{api_url}#{Tty.reset}" unless output.success?

  cache[endpoint] = JSON.parse(output.stdout, freeze: true)
rescue JSON::ParserError
  raise ArgumentError, "Invalid JSON file: #{Tty.underline}#{api_url}#{Tty.reset}"
end

.fetch_api_files! ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'api.rb', line 167

def self.fetch_api_files!
  download_queue = if Homebrew::EnvConfig.download_concurrency > 1
    require "download_queue"
    Homebrew::DownloadQueue.new
  end

  stale_seconds = if ENV["HOMEBREW_API_UPDATED"].present? ||
                     (Homebrew::EnvConfig.no_auto_update? && !Homebrew::EnvConfig.force_api_auto_update?)
    nil
  elsif Homebrew.auto_update_command?
    Homebrew::EnvConfig.api_auto_update_secs.to_i
  else
    DEFAULT_API_STALE_SECONDS
  end

  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.fetch_formula_api!(download_queue:, stale_seconds:)
    Homebrew::API::Internal.fetch_cask_api!(download_queue:, stale_seconds:)
  else
    Homebrew::API::Formula.fetch_api!(download_queue:, stale_seconds:)
    Homebrew::API::Formula.fetch_tap_migrations!(download_queue:, stale_seconds: DEFAULT_API_STALE_SECONDS)
    Homebrew::API::Cask.fetch_api!(download_queue:, stale_seconds:)
    Homebrew::API::Cask.fetch_tap_migrations!(download_queue:, stale_seconds: DEFAULT_API_STALE_SECONDS)
  end

  ENV["HOMEBREW_API_UPDATED"] = "1"

  return unless download_queue

  begin
    download_queue.fetch
  ensure
    download_queue.shutdown
  end
end

.fetch_json_api_file(endpoint, target: HOMEBREW_CACHE_API/endpoint, stale_seconds: nil, download_queue: nil) ⇒ Array<([Array<T.untyped>, Hash{String => T.untyped}], Boolean)>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • endpoint (String)
  • target (Pathname) (defaults to: HOMEBREW_CACHE_API/endpoint)
  • stale_seconds (Integer, nil) (defaults to: nil)
  • download_queue (DownloadQueue, nil) (defaults to: nil)

Returns:



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# File 'api.rb', line 57

def self.fetch_json_api_file(endpoint, target: HOMEBREW_CACHE_API/endpoint,
                             stale_seconds: nil, download_queue: nil)
  # Lazy-load dependency.
  require "development_tools"

  retry_count = 0
  url = "#{Homebrew::EnvConfig.api_domain}/#{endpoint}"
  default_url = "#{HOMEBREW_API_DEFAULT_DOMAIN}/#{endpoint}"

  if Homebrew.running_as_root_but_not_owned_by_root? &&
     (!target.exist? || target.empty?)
    odie "Need to download #{url} but cannot as root! Run `brew update` without `sudo` first then try again."
  end

  curl_args = Utils::Curl.curl_args(retries: 0) + %W[
    --compressed
    --speed-limit #{ENV.fetch("HOMEBREW_CURL_SPEED_LIMIT")}
    --speed-time #{ENV.fetch("HOMEBREW_CURL_SPEED_TIME")}
  ]

  insecure_download = DevelopmentTools.ca_file_substitution_required? ||
                      DevelopmentTools.curl_substitution_required?
  skip_download = skip_download?(target:, stale_seconds:)

  if download_queue
    unless skip_download
      require "api/json_download"
      download = Homebrew::API::JSONDownload.new(endpoint, target:, stale_seconds:)
      download_queue.enqueue(download)
    end
    return [{}, false]
  end

  json_data = begin
    begin
      args = curl_args.dup
      args.prepend("--time-cond", target.to_s) if target.exist? && !target.empty?
      if insecure_download
        opoo DevelopmentTools.insecure_download_warning(endpoint)
        args.append("--insecure")
      end
      unless skip_download
        ohai "Downloading #{url}" if $stdout.tty? && !Context.current.quiet?
        # Disable retries here, we handle them ourselves below.
        Utils::Curl.curl_download(*args, url, to: target, retries: 0, show_error: false)
      end
    rescue ErrorDuringExecution
      if url == default_url
        raise unless target.exist?
        raise if target.empty?
      elsif retry_count.zero? || !target.exist? || target.empty?
        # Fall back to the default API domain and try again
        # This block will be executed only once, because we set `url` to `default_url`
        url = default_url
        target.unlink if target.exist? && target.empty?
        skip_download = false

        retry
      end

      opoo "#{target.basename}: update failed, falling back to cached version."
    end

    mtime = insecure_download ? Time.new(1970, 1, 1) : Time.now
    FileUtils.touch(target, mtime:) unless skip_download
    # Can use `target.read` again when/if https://github.com/sorbet/sorbet/pull/8999 is merged/released.
    JSON.parse(File.read(target, encoding: Encoding::UTF_8), freeze: true)
  rescue JSON::ParserError
    target.unlink
    retry_count += 1
    skip_download = false
    odie "Cannot download non-corrupt #{url}!" if retry_count > Homebrew::EnvConfig.curl_retries.to_i

    retry
  end

  if endpoint.end_with?(".jws.json")
    success, data = verify_and_parse_jws(json_data)
    unless success
      target.unlink
      odie <<~EOS
        Failed to verify integrity (#{data}) of:
          #{url}
        Potential MITM attempt detected. Please run `brew update` and try again.
      EOS
    end
    [data, !skip_download]
  else
    [json_data, !skip_download]
  end
end

.formula_aliases ⇒ Hash{String => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 292

def self.formula_aliases
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.formula_aliases
  else
    Homebrew::API::Formula.all_aliases
  end
end

.formula_names ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 283

def self.formula_names
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.formula_arrays.keys
  else
    Homebrew::API::Formula.all_formulae.keys
  end
end

.formula_renames ⇒ Hash{String => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 301

def self.formula_renames
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.formula_renames
  else
    Homebrew::API::Formula.all_renames
  end
end

.formula_tap_migrations ⇒ Hash{String => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'api.rb', line 310

def self.formula_tap_migrations
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.formula_tap_migrations
  else
    Homebrew::API::Formula.tap_migrations
  end
end

.merge_variations(json, bottle_tag: T.unsafe(nil)) ⇒ Hash{String => T.untyped}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'api.rb', line 153

def self.merge_variations(json, bottle_tag: T.unsafe(nil))
  return json unless json.key?("variations")

  bottle_tag ||= Homebrew::SimulateSystem.current_tag

  if (variation = json.dig("variations", bottle_tag.to_s).presence) ||
     (variation = json.dig("variations", bottle_tag.to_sym).presence)
    json = json.merge(variation)
  end

  json.except("variations")
end

.skip_download?(target:, stale_seconds:) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • target (Pathname)
  • stale_seconds (Integer, nil)

Returns:

  • (Boolean) 


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# File 'api.rb', line 41

def self.skip_download?(target:, stale_seconds:)
  return true if Homebrew.running_as_root_but_not_owned_by_root?
  return false if !target.exist? || target.empty?
  return true unless stale_seconds

  (Time.now - stale_seconds) < target.mtime
end

.tap_from_source_download(path) ⇒ Tap?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'api.rb', line 271

def self.tap_from_source_download(path)
  path = path.expand_path
  source_relative_path = path.relative_path_from(Homebrew::API::HOMEBREW_CACHE_API_SOURCE)
  return if source_relative_path.to_s.start_with?("../")

  org, repo = source_relative_path.each_filename.first(2)
  return if org.blank? || repo.blank?

  Tap.fetch(org, repo)
end

.write_aliases_file!(aliases, type, regenerate:) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'api.rb', line 227

def self.write_aliases_file!(aliases, type, regenerate:)
  aliases_path = HOMEBREW_CACHE_API/"#{type}_aliases.txt"
  if !aliases_path.exist? || regenerate
    aliases_text = aliases.map do |alias_name, real_name|
      "#{alias_name}|#{real_name}"
    end
    aliases_path.unlink if aliases_path.exist?
    aliases_path.write(aliases_text.join("\n"))
    return true
  end

  false
end

.write_names_and_aliases ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.



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# File 'api.rb', line 204

def self.write_names_and_aliases
  if Homebrew::EnvConfig.use_internal_api?
    Homebrew::API::Internal.write_formula_names_and_aliases
    Homebrew::API::Internal.write_cask_names
  else
    Homebrew::API::Formula.write_names_and_aliases
    Homebrew::API::Cask.write_names
  end
end

.write_names_file!(names, type, regenerate:) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'api.rb', line 215

def self.write_names_file!(names, type, regenerate:)
  names_path = HOMEBREW_CACHE_API/"#{type}_names.txt"
  if !names_path.exist? || regenerate
    names_path.unlink if names_path.exist?
    names_path.write(names.join("\n"))
    return true
  end

  false
end