Module: Homebrew::API Private

Extended by:
Cachable, T::Generic, Utils::Output::Mixin
Defined in:
api.rb,
api/cask.rb,
api/formula.rb,
api/internal.rb,
api/analytics.rb,
api/cask_struct.rb,
api/cask_download.rb,
api/json_download.rb,
api/formula_bottle.rb,
api/formula_struct.rb,
api/source_download.rb,
api/cask/cask_struct_generator.rb,
api/formula/formula_struct_generator.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, CaskDownload, Formula, FormulaBottle, Internal Classes: CaskStruct, FormulaStruct, JSONDownload, JSONDownloadStrategy, SourceDownload, SourceDownloadStrategy

Constant Summary collapse

Cache =

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. 

type_template { { fixed: T::Hash[String, T.untyped] } }
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.

7 days

T.let(7 * 24 * 60 * 60, Integer)

Class Method Summary collapse

Methods included from Utils::Output::Mixin

issue_reporting_message, odebug, odeprecated, odie, odisabled, ofail, oh1, oh1_title, ohai, ohai_title, onoe, opoo, opoo_outside_github_actions, opoo_without_github_actions_annotation, pretty_deprecated, pretty_disabled, pretty_duration, pretty_install_status, pretty_installed, pretty_uninstalled, pretty_upgradable

Methods included from Cachable

cache, clear_cache

Class Method Details

.cached_cask_json_file_path ⇒ Pathname

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 407

def self.cached_cask_json_file_path
  Homebrew::API::Internal.cached_packages_json_file_path
end

.cached_formula_json_file_path ⇒ Pathname

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 387

def self.cached_formula_json_file_path
  Homebrew::API::Internal.cached_packages_json_file_path
end

.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 397

def self.cask_renames
  Homebrew::API::Internal.cask_renames
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 402

def self.cask_tap_migrations
  Homebrew::API::Internal.cask_tap_migrations
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 392

def self.cask_tokens
  Homebrew::API::Internal.cask_hashes.keys
end

.download_executables_file_from_github_packages!(target) ⇒ 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 286

def self.download_executables_file_from_github_packages!(target)
  github_packages_url = "https://ghcr.io/v2/homebrew/command-not-found/executables"
  manifest_args = [
    "--fail", "--location",
    "--header", "Accept: application/vnd.oci.image.manifest.v1+json",
    "#{github_packages_url}/manifests/latest"
  ]
  if HOMEBREW_GITHUB_PACKAGES_AUTH.present?
    manifest_args.insert(-2, "--header", "Authorization: #{HOMEBREW_GITHUB_PACKAGES_AUTH}")
  end

  manifest_output = Utils::Curl.curl_output(*manifest_args, show_error: false)
  return false unless manifest_output.success?

  manifest = JSON.parse(manifest_output.stdout)
  layers = T.cast(manifest.fetch("layers"), T::Array[T::Hash[String, T.untyped]])
  layer = layers.find do |candidate|
    candidate.dig("annotations", "org.opencontainers.image.title") == target.basename.to_s
  end
  return false if layer.nil?

  digest = T.cast(layer["digest"], T.nilable(String))
  return false if digest.blank?

  download_args = ["--fail"]
  if HOMEBREW_GITHUB_PACKAGES_AUTH.present?
    download_args += ["--header", "Authorization: #{HOMEBREW_GITHUB_PACKAGES_AUTH}"]
  end
  download_args << "#{github_packages_url}/blobs/#{digest}"
  target.dirname.mkpath
  Utils::Curl.curl_download(*download_args, to: target, show_error: false)
  FileUtils.touch(target)
  true
rescue ErrorDuringExecution, JSON::ParserError, KeyError, TypeError
  target.unlink if target.exist? && target.empty?

  false
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 32

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 189

def self.fetch_api_files!
  download_queue = Homebrew::DownloadQueue.new

  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

  # The internal API is now always used; read this only to surface its deprecation.
  Homebrew::EnvConfig.use_internal_api?
  Homebrew::API::Internal.fetch_packages_api!(download_queue:, stale_seconds:, enqueue: true)

  ENV["HOMEBREW_API_UPDATED"] = "1"

  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: Homebrew.default_download_queue, enqueue: false) ⇒ 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) (defaults to: Homebrew.default_download_queue)
  • enqueue (Boolean) (defaults to: false)

Returns:



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# File 'api.rb', line 67

def self.fetch_json_api_file(endpoint, target: HOMEBREW_CACHE_API/endpoint,
                             stale_seconds: nil, download_queue: Homebrew.default_download_queue,
                             enqueue: false)
  # 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) + [
    "--compressed",
    "--speed-limit", ENV.fetch("HOMEBREW_CURL_SPEED_LIMIT"),
    "--speed-time", ENV.fetch("HOMEBREW_CURL_SPEED_TIME"),
    # This is a Curl format token, not a Ruby one.
    # rubocop:disable Style/FormatStringToken
    "--write-out", "%{stderr}HTTP status: %{http_code}"
    # rubocop:enable Style/FormatStringToken
  ]

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

  if enqueue
    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
    download_succeeded = T.let(false, T::Boolean)
    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)
        download_succeeded = true
      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

    # Only refresh the cache mtime after a successful curl revalidation/download.
    # Touching after a failed download would mark a stale cache as fresh and
    # cause `skip_download?` to short-circuit subsequent retries until cleanup.
    if download_succeeded
      mtime = insecure_download ? Time.new(1970, 1, 1) : Time.now
      FileUtils.touch(target, mtime:)
    end
    # 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 372

def self.formula_aliases
  Homebrew::API::Internal.formula_aliases
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 367

def self.formula_names
  Homebrew::API::Internal.formula_hashes.keys
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 377

def self.formula_renames
  Homebrew::API::Internal.formula_renames
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 382

def self.formula_tap_migrations
  Homebrew::API::Internal.formula_tap_migrations
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 175

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:

Returns:

  • (Boolean) 


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# File 'api.rb', line 50

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 355

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 233

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.sort.join("\n"))
    return true
  end

  false
end

.write_executables_file!(formulae, 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 253

def self.write_executables_file!(formulae, regenerate:)
  executables_path = HOMEBREW_CACHE_API/"internal/executables.txt"
  executables_lines = formulae.filter_map do |name, hash|
    executables = T.cast(hash["executables"], T.nilable(T::Array[String]))
    next if executables.blank?

    "#{name}:#{executables.join(" ")}"
  end
  if executables_lines.empty?
    begin
      executables_path.unlink
      return true
    rescue Errno::ENOENT
      return false
    end
  end

  contents = "#{executables_lines.sort.join("\n")}\n"
  cached_contents = begin
    executables_path.read unless regenerate
  rescue Errno::ENOENT
    nil
  end
  if regenerate || cached_contents != contents
    executables_path.dirname.mkpath
    executables_path.write(contents)
    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 215

def self.write_names_and_aliases
  Homebrew::API::Internal.write_formula_names_and_aliases
  Homebrew::API::Internal.write_cask_names
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 221

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.sort.join("\n"))
    return true
  end

  false
end