Module: Formulary Private

Extended by:
Cachable
Defined in:
formulary.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.

The Formulary is responsible for creating instances of Formula. It is not meant to be used directly from formulae.

Defined Under Namespace

Classes: AliasAPILoader, AliasLoader, BottleLoader, FormulaAPILoader, FormulaContentsLoader, FormulaLoader, FromPathLoader, FromUrlLoader, NullLoader, TapLoader

Constant Summary collapse

URL_START_REGEX =

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. 

%r{(https?|ftp|file)://}.freeze
API_SUPPORTED_REQUIREMENTS =

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.

:codesign and custom requirement classes are not supported

[:arch, :linux, :macos, :maximum_macos, :xcode].freeze

Class Method Summary collapse

Methods included from Cachable

cache, clear_cache

Class Method Details

.canonical_name(ref) ⇒ Object

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. 



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# File 'formulary.rb', line 910

def self.canonical_name(ref)
  loader_for(ref).name
rescue TapFormulaAmbiguityError
  # If there are multiple tap formulae with the name of ref,
  # then ref is the canonical name
  ref.downcase
end

.class_s(name) ⇒ Object

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. 



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# File 'formulary.rb', line 438

def self.class_s(name)
  class_name = name.capitalize
  class_name.gsub!(/[-_.\s]([a-zA-Z0-9])/) { T.must(Regexp.last_match(1)).upcase }
  class_name.tr!("+", "x")
  class_name.sub!(/(.)@(\d)/, "\\1AT\\2")
  class_name
end

.clear_cache ⇒ Object

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. 



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# File 'formulary.rb', line 50

def self.clear_cache
  cache.each do |type, cached_objects|
    next if type == :formulary_factory

    cached_objects.each_value do |klass|
      class_name = klass.name

      # Already removed from namespace.
      next if class_name.nil?

      namespace = Utils.deconstantize(class_name)
      next if Utils.deconstantize(namespace) != name

      remove_const(Utils.demodulize(namespace).to_sym)
    end
  end

  super
end

.convert_to_deprecate_disable_reason_string_or_symbol(string) ⇒ Object

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. 



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# File 'formulary.rb', line 452

def self.convert_to_deprecate_disable_reason_string_or_symbol(string)
  require "deprecate_disable"
  return string unless DeprecateDisable::DEPRECATE_DISABLE_REASONS.keys.map(&:to_s).include?(string)

  string.to_sym
end

.convert_to_string_or_symbol(string) ⇒ Object

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. 



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# File 'formulary.rb', line 446

def self.convert_to_string_or_symbol(string)
  return string[1..].to_sym if string.start_with?(":")

  string
end

.core_alias_path(name) ⇒ Object

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. 



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# File 'formulary.rb', line 991

def self.core_alias_path(name)
  CoreTap.instance.alias_dir/name.to_s.downcase
end

.core_path(name) ⇒ Object

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. 



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# File 'formulary.rb', line 987

def self.core_path(name)
  find_formula_in_tap(name.to_s.downcase, CoreTap.instance)
end

.enable_factory_cache! ⇒ 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 'formulary.rb', line 26

def self.enable_factory_cache!
  @factory_cache = true
end

.ensure_utf8_encoding(io) ⇒ Object

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. 



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# File 'formulary.rb', line 434

def self.ensure_utf8_encoding(io)
  io.set_encoding(Encoding::UTF_8)
end

.factory(ref, spec = :stable, alias_path: nil, from: T.unsafe(nil), warn: T.unsafe(nil), force_bottle: T.unsafe(nil), flags: T.unsafe(nil), ignore_errors: T.unsafe(nil)) ⇒ Formula

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.

Return a Formula instance for the given reference. ref is a string containing:

  • a formula name
  • a formula pathname
  • a formula URL
  • a local bottle reference

Parameters:

  • ref (Pathname, String)
  • spec (Symbol) (defaults to: :stable)
  • alias_path (nil, Pathname, String) (defaults to: nil)
  • from (Symbol) (defaults to: T.unsafe(nil))
  • warn (Boolean) (defaults to: T.unsafe(nil))
  • force_bottle (Boolean) (defaults to: T.unsafe(nil))
  • flags (Array<String>) (defaults to: T.unsafe(nil))
  • ignore_errors (Boolean) (defaults to: T.unsafe(nil))

Returns:



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# File 'formulary.rb', line 743

def self.factory(
  ref,
  spec = :stable,
  alias_path: nil,
  from: T.unsafe(nil),
  warn: T.unsafe(nil),
  force_bottle: T.unsafe(nil),
  flags: T.unsafe(nil),
  ignore_errors: T.unsafe(nil)
)
  cache_key = "#{ref}-#{spec}-#{alias_path}-#{from}"
  return cache[:formulary_factory][cache_key] if factory_cached? && cache[:formulary_factory]&.key?(cache_key)

  loader_options = { from: from, warn: warn }.compact
  formula_options = { alias_path:    alias_path,
                      force_bottle:  force_bottle,
                      flags:         flags,
                      ignore_errors: ignore_errors }.compact
  formula = loader_for(ref, **loader_options)
            .get_formula(spec, **formula_options)

  if factory_cached?
    cache[:formulary_factory] ||= {}
    cache[:formulary_factory][cache_key] ||= formula
  end

  formula
end

.factory_cached? ⇒ 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.

Returns:

  • (Boolean) 


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# File 'formulary.rb', line 30

def self.factory_cached?
  !@factory_cache.nil?
end

.find_formula_in_tap(name, tap) ⇒ 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.

Parameters:

Returns:



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# File 'formulary.rb', line 1008

def self.find_formula_in_tap(name, tap)
  filename = if name.end_with?(".rb")
    name
  else
    "#{name}.rb"
  end

  Tap.formula_files_by_name(tap)
     .fetch(name, tap.formula_dir/filename)
end

.formula_class_defined_from_api?(name) ⇒ 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.

Returns:

  • (Boolean) 


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# File 'formulary.rb', line 38

def self.formula_class_defined_from_api?(name)
  cache.key?(:api) && cache[:api].key?(name)
end

.formula_class_defined_from_path?(path) ⇒ 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.

Returns:

  • (Boolean) 


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# File 'formulary.rb', line 34

def self.formula_class_defined_from_path?(path)
  cache.key?(:path) && cache[:path].key?(path)
end

.formula_class_get_from_api(name) ⇒ Object

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. 



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# File 'formulary.rb', line 46

def self.formula_class_get_from_api(name)
  cache[:api].fetch(name)
end

.formula_class_get_from_path(path) ⇒ Object

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. 



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# File 'formulary.rb', line 42

def self.formula_class_get_from_path(path)
  cache[:path].fetch(path)
end

.from_contents(name, path, contents, spec = :stable, alias_path: T.unsafe(nil), force_bottle: T.unsafe(nil), flags: T.unsafe(nil), ignore_errors: T.unsafe(nil)) ⇒ Formula

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.

Return a Formula instance directly from contents.

Parameters:

  • name (String)
  • path (Pathname)
  • contents (String)
  • spec (Symbol) (defaults to: :stable)
  • alias_path (Pathname) (defaults to: T.unsafe(nil))
  • force_bottle (Boolean) (defaults to: T.unsafe(nil))
  • flags (Array<String>) (defaults to: T.unsafe(nil))
  • ignore_errors (Boolean) (defaults to: T.unsafe(nil))

Returns:



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# File 'formulary.rb', line 878

def self.from_contents(
  name,
  path,
  contents,
  spec = :stable,
  alias_path: T.unsafe(nil),
  force_bottle: T.unsafe(nil),
  flags: T.unsafe(nil),
  ignore_errors: T.unsafe(nil)
)
  options = {
    alias_path:    alias_path,
    force_bottle:  force_bottle,
    flags:         flags,
    ignore_errors: ignore_errors,
  }.compact
  FormulaContentsLoader.new(name, path, contents).get_formula(spec, **options)
end

.from_keg(keg, spec = T.unsafe(nil), alias_path: T.unsafe(nil), force_bottle: T.unsafe(nil), flags: T.unsafe(nil)) ⇒ Formula

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.

Return a Formula instance for the given keg.

Parameters:

  • keg (Keg)
  • spec (Symbol) (defaults to: T.unsafe(nil))
  • alias_path (Pathname, String) (defaults to: T.unsafe(nil))
  • force_bottle (Boolean) (defaults to: T.unsafe(nil))
  • flags (Array<String>) (defaults to: T.unsafe(nil))

Returns:



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# File 'formulary.rb', line 828

def self.from_keg(
  keg,
  spec = T.unsafe(nil),
  alias_path: T.unsafe(nil),
  force_bottle: T.unsafe(nil),
  flags: T.unsafe(nil)
)
  tab = Tab.for_keg(keg)
  tap = tab.tap
  spec ||= tab.spec

  formula_name = keg.rack.basename.to_s

  options = {
    alias_path:   alias_path,
    from:         :keg,
    warn:         false,
    force_bottle: force_bottle,
    flags:        flags,
  }.compact

  f = if tap.nil?
    factory(formula_name, spec, **options)
  else
    begin
      factory("#{tap}/#{formula_name}", spec, **options)
    rescue FormulaUnavailableError
      # formula may be migrated to different tap. Try to search in core and all taps.
      factory(formula_name, spec, **options)
    end
  end
  f.build = tab
  T.cast(f.build, Tab).used_options = Tab.remap_deprecated_options(f.deprecated_options, tab.used_options).as_flags
  f.version.update_commit(keg.version.version.commit) if f.head? && keg.version.head?
  f
end

.from_rack(rack, spec = T.unsafe(nil), alias_path: T.unsafe(nil), force_bottle: T.unsafe(nil), flags: T.unsafe(nil)) ⇒ Formula

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.

Return a Formula instance for the given rack.

Parameters:

  • :alias_path —

    will be used if the formula is found not to be installed, and discarded if it is installed because the alias_path used to install the formula will be set instead.

  • rack (Pathname)
  • spec (Symbol) (defaults to: T.unsafe(nil)) —

    when nil, will auto resolve the formula’s spec.

  • alias_path (Pathname, String) (defaults to: T.unsafe(nil))
  • force_bottle (Boolean) (defaults to: T.unsafe(nil))
  • flags (Array<String>) (defaults to: T.unsafe(nil))

Returns:



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# File 'formulary.rb', line 788

def self.from_rack(
  rack, spec = T.unsafe(nil),
  alias_path: T.unsafe(nil),
  force_bottle: T.unsafe(nil),
  flags: T.unsafe(nil)
)
  kegs = rack.directory? ? rack.subdirs.map { |d| Keg.new(d) } : []
  keg = kegs.find(&:linked?) || kegs.find(&:optlinked?) || kegs.max_by(&:version)

  options = {
    alias_path:   alias_path,
    force_bottle: force_bottle,
    flags:        flags,
  }.compact

  if keg
    from_keg(keg, *spec, **options)
  else
    factory(rack.basename.to_s, *spec, from: :rack, warn: false, **options)
  end
end

.keg_only?(rack) ⇒ 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.

Return whether given rack is keg-only.

Returns:

  • (Boolean) 


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# File 'formulary.rb', line 811

def self.keg_only?(rack)
  Formulary.from_rack(rack).keg_only?
rescue FormulaUnavailableError, TapFormulaAmbiguityError, TapFormulaWithOldnameAmbiguityError
  false
end

.load_formula(name, path, contents, namespace, flags:, ignore_errors:) ⇒ Object

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. 



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# File 'formulary.rb', line 85

def self.load_formula(name, path, contents, namespace, flags:, ignore_errors:)
  raise "Formula loading disabled by HOMEBREW_DISABLE_LOAD_FORMULA!" if Homebrew::EnvConfig.disable_load_formula?

  require "formula"
  require "ignorable"

  mod = Module.new
  remove_const(namespace) if const_defined?(namespace)
  const_set(namespace, mod)

  eval_formula = lambda do
    # Set `BUILD_FLAGS` in the formula's namespace so we can
    # access them from within the formula's class scope.
    mod.const_set(:BUILD_FLAGS, flags)
    mod.module_eval(contents, path)
  rescue NameError, ArgumentError, ScriptError, MethodDeprecatedError, MacOSVersion::Error => e
    if e.is_a?(Ignorable::ExceptionMixin)
      e.ignore
    else
      remove_const(namespace)
      raise FormulaUnreadableError.new(name, e)
    end
  end
  if ignore_errors
    Ignorable.hook_raise(&eval_formula)
  else
    eval_formula.call
  end

  class_name = class_s(name)

  begin
    mod.const_get(class_name)
  rescue NameError => e
    class_list = mod.constants
                    .map { |const_name| mod.const_get(const_name) }
                    .select { |const| const.is_a?(Class) }
    new_exception = FormulaClassUnavailableError.new(name, path, class_name, class_list)
    remove_const(namespace)
    raise new_exception, "", e.backtrace
  end
end

.load_formula_from_api(name, flags:) ⇒ T.class_of(Formula)

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 'formulary.rb', line 141

def self.load_formula_from_api(name, flags:)
  namespace = :"FormulaNamespaceAPI#{Digest::MD5.hexdigest(name)}"

  mod = Module.new
  remove_const(namespace) if const_defined?(namespace)
  const_set(namespace, mod)

  mod.const_set(:BUILD_FLAGS, flags)

  class_name = class_s(name)
  json_formula = Homebrew::API::Formula.all_formulae[name]
  json_formula = Homebrew::API.merge_variations(json_formula)

  uses_from_macos_names = json_formula["uses_from_macos"].map do |dep|
    next dep unless dep.is_a? Hash

    dep.keys.first
  end

  requirements = {}
  json_formula["requirements"].map do |req|
    req_name = req["name"].to_sym
    next if API_SUPPORTED_REQUIREMENTS.exclude?(req_name)

    req_version = case req_name
    when :arch
      req["version"]&.to_sym
    when :macos, :maximum_macos
      MacOSVersion::SYMBOLS.key(req["version"])
    else
      req["version"]
    end

    req_tags = []
    req_tags << req_version if req_version.present?
    req_tags += req["contexts"].map do |tag|
      case tag
      when String
        tag.to_sym
      when Hash
        tag.deep_transform_keys(&:to_sym)
      else
        tag
      end
    end

    spec_hash = req_tags.empty? ? req_name : { req_name => req_tags }

    specs = req["specs"]
    specs ||= ["stable", "head"] # backwards compatibility
    specs.each do |spec|
      requirements[spec.to_sym] ||= []
      requirements[spec.to_sym] << spec_hash
    end
  end

  add_deps = lambda do |spec|
    T.bind(self, SoftwareSpec)

    dep_json = json_formula.fetch("#{spec}_dependencies", json_formula)

    dep_json["dependencies"].each do |dep|
      # Backwards compatibility check - uses_from_macos used to be a part of dependencies on Linux
      next if !json_formula.key?("uses_from_macos_bounds") && uses_from_macos_names.include?(dep) &&
              !Homebrew::SimulateSystem.simulating_or_running_on_macos?

      depends_on dep
    end

    [:build, :test, :recommended, :optional].each do |type|
      dep_json["#{type}_dependencies"].each do |dep|
        # Backwards compatibility check - uses_from_macos used to be a part of dependencies on Linux
        next if !json_formula.key?("uses_from_macos_bounds") && uses_from_macos_names.include?(dep) &&
                !Homebrew::SimulateSystem.simulating_or_running_on_macos?

        depends_on dep => type
      end
    end

    dep_json["uses_from_macos"].each_with_index do |dep, index|
      bounds = dep_json.fetch("uses_from_macos_bounds", [])[index] || {}
      bounds.deep_transform_keys!(&:to_sym)
      bounds.deep_transform_values! { |val| val.is_a?(String) ? val.to_sym : val }

      if dep.is_a?(Hash)
        uses_from_macos dep.deep_transform_values(&:to_sym).merge(bounds)
      else
        uses_from_macos dep, bounds
      end
    end
  end

  klass = Class.new(::Formula) do
    @loaded_from_api = true

    desc json_formula["desc"]
    homepage json_formula["homepage"]
    license SPDX.string_to_license_expression(json_formula["license"])
    revision json_formula["revision"]
    version_scheme json_formula["version_scheme"]

    if (urls_stable = json_formula["urls"]["stable"].presence)
      stable do
        url_spec = { tag: urls_stable["tag"], revision: urls_stable["revision"] }.compact
        url urls_stable["url"], **url_spec
        version json_formula["versions"]["stable"]
        sha256 urls_stable["checksum"] if urls_stable["checksum"].present?

        instance_exec(:stable, &add_deps)

        requirements[:stable]&.each do |req|
          depends_on req
        end
      end
    end

    if (urls_head = json_formula["urls"]["head"].presence)
      head do
        url_spec = { branch: urls_head["branch"] }.compact
        url urls_head["url"], **url_spec

        instance_exec(:head, &add_deps)

        requirements[:head]&.each do |req|
          depends_on req
        end
      end
    end

    if (bottles_stable = json_formula["bottle"]["stable"].presence)
      bottle do
        if Homebrew::EnvConfig.bottle_domain == HOMEBREW_BOTTLE_DEFAULT_DOMAIN
          root_url HOMEBREW_BOTTLE_DEFAULT_DOMAIN
        else
          root_url Homebrew::EnvConfig.bottle_domain
        end
        rebuild bottles_stable["rebuild"]
        bottles_stable["files"].each do |tag, bottle_spec|
          cellar = Formulary.convert_to_string_or_symbol bottle_spec["cellar"]
          sha256 cellar: cellar, tag.to_sym => bottle_spec["sha256"]
        end
      end
    end

    if (keg_only_reason = json_formula["keg_only_reason"].presence)
      reason = Formulary.convert_to_string_or_symbol keg_only_reason["reason"]
      keg_only reason, keg_only_reason["explanation"]
    end

    if (deprecation_date = json_formula["deprecation_date"].presence)
      reason = Formulary.convert_to_deprecate_disable_reason_string_or_symbol json_formula["deprecation_reason"]
      deprecate! date: deprecation_date, because: reason
    end

    if (disable_date = json_formula["disable_date"].presence)
      reason = Formulary.convert_to_deprecate_disable_reason_string_or_symbol json_formula["disable_reason"]
      disable! date: disable_date, because: reason
    end

    json_formula["conflicts_with"].each_with_index do |conflict, index|
      conflicts_with conflict, because: json_formula.dig("conflicts_with_reasons", index)
    end

    json_formula["link_overwrite"]&.each do |overwrite_path|
      link_overwrite overwrite_path
    end

    def install
      raise "Cannot build from source from abstract formula."
    end

    @post_install_defined_boolean = json_formula["post_install_defined"]
    @post_install_defined_boolean = true if @post_install_defined_boolean.nil? # Backwards compatibility
    def post_install_defined?
      self.class.instance_variable_get(:@post_install_defined_boolean)
    end

    if (service_hash = json_formula["service"].presence)
      service_hash = Homebrew::Service.deserialize(service_hash)
      service do
        T.bind(self, Homebrew::Service)

        if (run_params = service_hash.delete(:run).presence)
          case run_params
          when Hash
            run(**run_params)
          when Array, String
            run run_params
          end
        end

        if (name_params = service_hash.delete(:name).presence)
          name(**name_params)
        end

        service_hash.each do |key, arg|
          public_send(key, arg)
        end
      end
    end

    @caveats_string = json_formula["caveats"]
    def caveats
      self.class.instance_variable_get(:@caveats_string)
          &.gsub(HOMEBREW_PREFIX_PLACEHOLDER, HOMEBREW_PREFIX)
          &.gsub(HOMEBREW_CELLAR_PLACEHOLDER, HOMEBREW_CELLAR)
          &.gsub(HOMEBREW_HOME_PLACEHOLDER, Dir.home)
    end

    @tap_git_head_string = json_formula["tap_git_head"]
    def tap_git_head
      self.class.instance_variable_get(:@tap_git_head_string)
    end

    @oldnames_array = json_formula["oldnames"] || [json_formula["oldname"]].compact
    def oldnames
      self.class.instance_variable_get(:@oldnames_array)
    end

    @aliases_array = json_formula["aliases"]
    def aliases
      self.class.instance_variable_get(:@aliases_array)
    end

    @versioned_formulae_array = json_formula["versioned_formulae"]
    def versioned_formulae_names
      self.class.instance_variable_get(:@versioned_formulae_array)
    end

    @ruby_source_path_string = json_formula["ruby_source_path"]
    def ruby_source_path
      self.class.instance_variable_get(:@ruby_source_path_string)
    end

    @ruby_source_checksum_hash = json_formula["ruby_source_checksum"]
    def ruby_source_checksum
      checksum_hash = self.class.instance_variable_get(:@ruby_source_checksum_hash)
      Checksum.new(checksum_hash["sha256"]) if checksum_hash&.key?("sha256")
    end
  end

  klass = T.cast(klass, T.class_of(Formula))
  mod.const_set(class_name, klass)

  cache[:api] ||= {}
  cache[:api][name] = klass
end

.load_formula_from_path(name, path, flags:, ignore_errors:) ⇒ T.class_of(Formula)

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 'formulary.rb', line 132

def self.load_formula_from_path(name, path, flags:, ignore_errors:)
  contents = path.open("r") { |f| ensure_utf8_encoding(f).read }
  namespace = "FormulaNamespace#{Digest::MD5.hexdigest(path.to_s)}"
  klass = load_formula(name, path, contents, namespace, flags: flags, ignore_errors: ignore_errors)
  cache[:path] ||= {}
  cache[:path][path] = klass
end

.loader_for(ref, from: nil, warn: true) ⇒ Object

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.

Raises:



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# File 'formulary.rb', line 922

def self.loader_for(ref, from: nil, warn: true)
  case ref
  when HOMEBREW_BOTTLES_EXTNAME_REGEX
    return BottleLoader.new(ref)
  when URL_START_REGEX
    return FromUrlLoader.new(ref, from: from)
  when HOMEBREW_TAP_FORMULA_REGEX
    if ref.match?(%r{^homebrew/(?:homebrew-)?core/}i) && !Homebrew::EnvConfig.no_install_from_api?
      name = ref.split("/", 3).last
      return FormulaAPILoader.new(name) if Homebrew::API::Formula.all_formulae.key?(name)
      return AliasAPILoader.new(name) if Homebrew::API::Formula.all_aliases.key?(name)
    end

    return TapLoader.new(ref, from: from, warn: warn)
  end

  pathname_ref = Pathname.new(ref)
  return FromPathLoader.new(ref) if File.extname(ref) == ".rb" && pathname_ref.expand_path.exist?

  unless Homebrew::EnvConfig.no_install_from_api?
    return FormulaAPILoader.new(ref) if Homebrew::API::Formula.all_formulae.key?(ref)
    return AliasAPILoader.new(ref) if Homebrew::API::Formula.all_aliases.key?(ref)
  end

  formula_with_that_name = core_path(ref)
  return FormulaLoader.new(ref, formula_with_that_name) if formula_with_that_name.file?

  possible_alias = if pathname_ref.absolute?
    pathname_ref
  else
    core_alias_path(ref)
  end
  return AliasLoader.new(possible_alias) if possible_alias.symlink?

  possible_tap_formulae = tap_paths(ref)
  raise TapFormulaAmbiguityError.new(ref, possible_tap_formulae) if possible_tap_formulae.size > 1

  if possible_tap_formulae.size == 1
    path = possible_tap_formulae.first.resolved_path
    name = path.basename(".rb").to_s
    return FormulaLoader.new(name, path)
  end

  if CoreTap.instance.formula_renames.key?(ref)
    return TapLoader.new("#{CoreTap.instance}/#{ref}", from: from, warn: warn)
  end

  possible_taps = Tap.select { |tap| tap.formula_renames.key?(ref) }

  if possible_taps.size > 1
    possible_tap_newname_formulae = possible_taps.map { |tap| "#{tap}/#{tap.formula_renames[ref]}" }
    raise TapFormulaWithOldnameAmbiguityError.new(ref, possible_tap_newname_formulae)
  end

  return TapLoader.new("#{possible_taps.first}/#{ref}", from: from, warn: warn) unless possible_taps.empty?

  possible_keg_formula = Pathname.new("#{HOMEBREW_PREFIX}/opt/#{ref}/.brew/#{ref}.rb")
  return FormulaLoader.new(ref, possible_keg_formula) if possible_keg_formula.file?

  possible_cached_formula = Pathname.new("#{HOMEBREW_CACHE_FORMULA}/#{ref}.rb")
  return FormulaLoader.new(ref, possible_cached_formula) if possible_cached_formula.file?

  NullLoader.new(ref)
end

.path(ref) ⇒ Object

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. 



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# File 'formulary.rb', line 918

def self.path(ref)
  loader_for(ref).path
end

.resolve(name, spec: T.unsafe(nil), force_bottle: T.unsafe(nil), flags: T.unsafe(nil)) ⇒ Formula

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:

  • name (String)
  • spec (Symbol) (defaults to: T.unsafe(nil))
  • force_bottle (Boolean) (defaults to: T.unsafe(nil))
  • flags (Array<String>) (defaults to: T.unsafe(nil))

Returns:



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# File 'formulary.rb', line 390

def self.resolve(
  name,
  spec: T.unsafe(nil),
  force_bottle: T.unsafe(nil),
  flags: T.unsafe(nil)
)
  options = {
    force_bottle: force_bottle,
    flags:        flags,
  }.compact

  if name.include?("/") || File.exist?(name)
    f = factory(name, *spec, **options)
    if f.any_version_installed?
      tab = Tab.for_formula(f)
      resolved_spec = spec || tab.spec
      f.active_spec = resolved_spec if f.send(resolved_spec)
      f.build = tab
      if f.head? && tab.tabfile
        k = Keg.new(tab.tabfile.parent)
        f.version.update_commit(k.version.version.commit) if k.version.head?
      end
    end
  else
    rack = to_rack(name)
    if (alias_path = factory(name, **options).alias_path)
      options[:alias_path] = alias_path
    end
    f = from_rack(rack, *spec, **options)
  end

  # If this formula was installed with an alias that has since changed,
  # then it was specified explicitly in ARGV. (Using the alias would
  # instead have found the new formula.)
  #
  # Because of this, the user is referring to this specific formula,
  # not any formula targeted by the same alias, so in this context
  # the formula shouldn't be considered outdated if the alias used to
  # install it has changed.
  f.follow_installed_alias = false

  f
end

.tap_paths(name, taps = Tap) ⇒ Object

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. 



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# File 'formulary.rb', line 995

def self.tap_paths(name, taps = Tap)
  name = name.to_s.downcase
  taps.map do |tap|
    formula_path = find_formula_in_tap(name, tap)

    alias_path = tap.alias_dir/name
    next alias_path if !formula_path.exist? && alias_path.exist?

    formula_path
  end.select(&:file?)
end

.to_rack(ref) ⇒ Object

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. 



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# File 'formulary.rb', line 897

def self.to_rack(ref)
  # If using a fully-scoped reference, check if the formula can be resolved.
  factory(ref) if ref.include? "/"

  # Check whether the rack with the given name exists.
  if (rack = HOMEBREW_CELLAR/File.basename(ref, ".rb")).directory?
    return rack.resolved_path
  end

  # Use canonical name to locate rack.
  (HOMEBREW_CELLAR/canonical_name(ref)).resolved_path
end