Class: Homebrew::CLI::Parser Private

Inherits:
Object
  • Object
show all
Includes:
OS::Linux::CLI::Parser
Defined in:
cli/parser.rb

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cmd = nil, &block) ⇒ 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.

Parameters:



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# File 'cli/parser.rb', line 148

def initialize(cmd = nil, &block)
  @parser = T.let(OptionParser.new, OptionParser)
  @parser.summary_indent = "  "
  # Disable default handling of `--version` switch.
  @parser.base.long.delete("version")
  # Disable default handling of `--help` switch.
  @parser.base.long.delete("help")

  @args = T.let((cmd&.args_class || Args).new, Args)

  if cmd
    @command_name = T.let(cmd.command_name, String)
    @is_dev_cmd = T.let(cmd.dev_cmd?, T::Boolean)
  else
    # FIXME: remove once commands are all subclasses of `AbstractCommand`:
    # Filter out Sorbet runtime type checking method calls.
    cmd_location = caller_locations.select do |location|
      T.must(location.path).exclude?("/gems/sorbet-runtime-")
    end.fetch(1)
    @command_name = T.let(T.must(cmd_location.label).chomp("_args").tr("_", "-"), String)
    @is_dev_cmd = T.let(T.must(cmd_location.absolute_path).start_with?(Commands::HOMEBREW_DEV_CMD_PATH),
                        T::Boolean)
    odisabled(
      "`brew #{@command_name}'. This command needs to be refactored, as it is written in a style that",
      "subclassing of `Homebrew::AbstractCommand' ( see https://docs.brew.sh/External-Commands )",
      disable_for_developers: false,
    )
  end

  @constraints = T.let([], T::Array[[String, String]])
  @conflicts = T.let([], T::Array[T::Array[String]])
  @switch_sources = T.let({}, T::Hash[String, Symbol])
  @processed_options = T.let([], Args::OptionsType)
  @non_global_processed_options = T.let([], T::Array[[String, ArgType]])
  @named_args_type = T.let(nil, T.nilable(ArgType))
  @max_named_args = T.let(nil, T.nilable(Integer))
  @min_named_args = T.let(nil, T.nilable(Integer))
  @named_args_without_api = T.let(false, T::Boolean)
  @description = T.let(nil, T.nilable(String))
  @usage_banner = T.let(nil, T.nilable(String))
  @hide_from_man_page = T.let(false, T::Boolean)
  @formula_options = T.let(false, T::Boolean)
  @cask_options = T.let(false, T::Boolean)

  self.class.global_options.each do |short, long, desc|
    switch short, long, description: desc, env: option_to_name(long), method: :on_tail
  end

  instance_eval(&block) if block

  generate_banner
end

Instance Attribute Details

#args ⇒ Args (readonly)

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 'cli/parser.rb', line 26

def args
  @args
end

#hide_from_man_page ⇒ Boolean (readonly)

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 'cli/parser.rb', line 32

def hide_from_man_page
  @hide_from_man_page
end

#named_args_type ⇒ ArgType (readonly)

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:

  • (ArgType) 


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# File 'cli/parser.rb', line 35

def named_args_type
  @named_args_type
end

#processed_options ⇒ Args::OptionsType (readonly)

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 'cli/parser.rb', line 29

def processed_options
  @processed_options
end

Class Method Details

.from_cmd_path(cmd_path) ⇒ CLI::Parser?

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 'cli/parser.rb', line 38

def self.from_cmd_path(cmd_path)
  cmd_args_method_name = Commands.args_method_name(cmd_path)
  cmd_name = cmd_args_method_name.to_s.delete_suffix("_args").tr("_", "-")

  begin
    if require?(cmd_path)
      cmd = Homebrew::AbstractCommand.command(cmd_name)
      if cmd
        cmd.parser
      else
        # FIXME: remove once commands are all subclasses of `AbstractCommand`:
        Homebrew.send(cmd_args_method_name)
      end
    end
  rescue NoMethodError => e
    raise if e.name.to_sym != cmd_args_method_name

    nil
  end
end

.global_cask_options ⇒ Array<Array<(Symbol, String, Hash)>>

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 'cli/parser.rb', line 60

def self.global_cask_options
  [
    [:flag, "--appdir=", {
      description: "Target location for Applications " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:appdir]}`).",
    }],
    [:flag, "--keyboard-layoutdir=", {
      description: "Target location for Keyboard Layouts " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:keyboard_layoutdir]}`).",
    }],
    [:flag, "--colorpickerdir=", {
      description: "Target location for Color Pickers " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:colorpickerdir]}`).",
    }],
    [:flag, "--prefpanedir=", {
      description: "Target location for Preference Panes " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:prefpanedir]}`).",
    }],
    [:flag, "--qlplugindir=", {
      description: "Target location for Quick Look Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:qlplugindir]}`).",
    }],
    [:flag, "--mdimporterdir=", {
      description: "Target location for Spotlight Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:mdimporterdir]}`).",
    }],
    [:flag, "--dictionarydir=", {
      description: "Target location for Dictionaries " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:dictionarydir]}`).",
    }],
    [:flag, "--fontdir=", {
      description: "Target location for Fonts " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:fontdir]}`).",
    }],
    [:flag, "--servicedir=", {
      description: "Target location for Services " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:servicedir]}`).",
    }],
    [:flag, "--input-methoddir=", {
      description: "Target location for Input Methods " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:input_methoddir]}`).",
    }],
    [:flag, "--internet-plugindir=", {
      description: "Target location for Internet Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:internet_plugindir]}`).",
    }],
    [:flag, "--audio-unit-plugindir=", {
      description: "Target location for Audio Unit Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:audio_unit_plugindir]}`).",
    }],
    [:flag, "--vst-plugindir=", {
      description: "Target location for VST Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:vst_plugindir]}`).",
    }],
    [:flag, "--vst3-plugindir=", {
      description: "Target location for VST3 Plugins " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:vst3_plugindir]}`).",
    }],
    [:flag, "--screen-saverdir=", {
      description: "Target location for Screen Savers " \
                   "(default: `#{Cask::Config::DEFAULT_DIRS[:screen_saverdir]}`).",
    }],
    [:comma_array, "--language", {
      description: "Comma-separated list of language codes to prefer for cask installation. " \
                   "The first matching language is used, otherwise it reverts to the cask's " \
                   "default language. The default value is the language of your system.",
    }],
  ]
end

.global_options ⇒ Array<Array<(String, 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 'cli/parser.rb', line 131

def self.global_options
  [
    ["-d", "--debug",   "Display any debugging information."],
    ["-q", "--quiet",   "Make some output more quiet."],
    ["-v", "--verbose", "Make some output more verbose."],
    ["-h", "--help",    "Show this message."],
  ]
end

.option_to_name(option) ⇒ 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.

Parameters:

Returns:



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# File 'cli/parser.rb', line 141

def self.option_to_name(option)
  option.sub(/\A--?(\[no-\])?/, "").tr("-", "_").delete("=")
end

Instance Method Details

#cask_options ⇒ 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 'cli/parser.rb', line 453

def cask_options
  self.class.global_cask_options.each do |args|
    options = T.cast(args.pop, T::Hash[Symbol, String])
    send(*args, **options)
    conflicts "--formula", args[1]
  end
  @cask_options = true
end

#comma_array(name, description: nil, hidden: false) ⇒ 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.

Parameters:

  • name (String)
  • description (String, nil) (defaults to: nil)
  • hidden (Boolean) (defaults to: false) 


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# File 'cli/parser.rb', line 254

def comma_array(name, description: nil, hidden: false)
  name = name.chomp "="
  description = option_description(description, name, hidden:)
  process_option(name, description, type: :comma_array, hidden:)
  @parser.on(name, OptionParser::REQUIRED_ARGUMENT, Array, *wrap_option_desc(description)) do |list|
    set_args_method(option_to_name(name).to_sym, list)
  end
end

#conflicts(*options) ⇒ Array<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.

Parameters:

Returns:



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# File 'cli/parser.rb', line 305

def conflicts(*options)
  @conflicts << options.map { |option| option_to_name(option) }
end

#description(text = nil) ⇒ 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.

Parameters:

  • text (String, nil) (defaults to: nil)

Returns:



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# File 'cli/parser.rb', line 239

def description(text = nil)
  return @description if text.blank?

  @description = text.chomp
end

#flag(*names, description: nil, replacement: nil, depends_on: nil, hidden: false) ⇒ 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.

Parameters:

  • names (String)
  • description (String, nil) (defaults to: nil)
  • replacement (Symbol, String, nil) (defaults to: nil)
  • depends_on (String, nil) (defaults to: nil)
  • hidden (Boolean) (defaults to: false) 


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# File 'cli/parser.rb', line 267

def flag(*names, description: nil, replacement: nil, depends_on: nil, hidden: false)
  required, flag_type = if names.any? { |name| name.end_with? "=" }
    [OptionParser::REQUIRED_ARGUMENT, :required_flag]
  else
    [OptionParser::OPTIONAL_ARGUMENT, :optional_flag]
  end
  names.map! { |name| name.chomp "=" }
  description = option_description(description, *names, hidden:)
  if replacement.nil?
    process_option(*names, description, type: flag_type, hidden:)
  else
    description += " (disabled#{"; replaced by #{replacement}" if replacement.present?})"
  end
  @parser.on(*names, *wrap_option_desc(description), required) do |option_value|
    # This odisabled should stick around indefinitely.
    odisabled "the `#{names.first}` flag", replacement unless replacement.nil?
    names.each do |name|
      set_args_method(option_to_name(name).to_sym, option_value)
    end
  end

  names.each do |name|
    set_constraints(name, depends_on:)
  end
end

#formula_options ⇒ 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 'cli/parser.rb', line 463

def formula_options
  @formula_options = true
end

#generate_help_text ⇒ 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 'cli/parser.rb', line 441

def generate_help_text
  Formatter.format_help_text(@parser.to_s, width: Formatter::COMMAND_DESC_WIDTH)
           .gsub(/\n.*?@@HIDDEN@@.*?(?=\n)/, "")
           .sub(/^/, "#{Tty.bold}Usage: brew#{Tty.reset} ")
           .gsub(/`(.*?)`/m, "#{Tty.bold}\\1#{Tty.reset}")
           .gsub(%r{<([^\s]+?://[^\s]+?)>}) { |url| Formatter.url(url) }
           .gsub(/\*(.*?)\*|<(.*?)>/m) do |underlined|
             underlined[1...-1].gsub(/^(\s*)(.*?)$/, "\\1#{Tty.underline}\\2#{Tty.reset}")
           end
end

#hide_from_man_page! ⇒ 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 'cli/parser.rb', line 498

def hide_from_man_page!
  @hide_from_man_page = true
end

#name_to_option(name) ⇒ 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.

Parameters:

Returns:



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# File 'cli/parser.rb', line 313

def name_to_option(name)
  if name.length == 1
    "-#{name}"
  else
    "--#{name.tr("_", "-")}"
  end
end

#named_args(type = nil, number: nil, min: nil, max: nil, without_api: false) ⇒ 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.

Parameters:

  • type (ArgType) (defaults to: nil)
  • number (Integer, nil) (defaults to: nil)
  • min (Integer, nil) (defaults to: nil)
  • max (Integer, nil) (defaults to: nil)
  • without_api (Boolean) (defaults to: false)

Raises:

  • (ArgumentError) 


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# File 'cli/parser.rb', line 476

def named_args(type = nil, number: nil, min: nil, max: nil, without_api: false)
  raise ArgumentError, "Do not specify both `number` and `min` or `max`" if number && (min || max)

  if type == :none && (number || min || max)
    raise ArgumentError, "Do not specify both `number`, `min` or `max` with `named_args :none`"
  end

  @named_args_type = type

  if type == :none
    @max_named_args = 0
  elsif number
    @min_named_args = @max_named_args = number
  elsif min || max
    @min_named_args = min
    @max_named_args = max
  end

  @named_args_without_api = without_api
end

#option_description(description, *names, hidden: false) ⇒ 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.

Parameters:

  • description (String, nil)
  • names (String)
  • hidden (Boolean) (defaults to: false)

Returns:



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# File 'cli/parser.rb', line 327

def option_description(description, *names, hidden: false)
  return HIDDEN_DESC_PLACEHOLDER if hidden
  return description if description.present?

  option_to_description(*names)
end

#option_to_description(*names) ⇒ 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.

Parameters:

Returns:



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# File 'cli/parser.rb', line 322

def option_to_description(*names)
  names.map { |name| name.to_s.sub(/\A--?/, "").tr("-", " ") }.max
end

#option_to_name(option) ⇒ 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.

Parameters:

Returns:



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# File 'cli/parser.rb', line 310

def option_to_name(option) = self.class.option_to_name(option)

#parse(argv = ARGV.freeze, ignore_invalid_options: false) ⇒ Args

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:

  • argv (Array<String>) (defaults to: ARGV.freeze)
  • ignore_invalid_options (Boolean) (defaults to: false)

Returns:



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# File 'cli/parser.rb', line 374

def parse(argv = ARGV.freeze, ignore_invalid_options: false)
  raise "Arguments were already parsed!" if @args_parsed

  # If we accept formula options, but the command isn't scoped only
  # to casks, parse once allowing invalid options so we can get the
  # remaining list containing formula names.
  if @formula_options && !only_casks?(argv)
    remaining, non_options = parse_remaining(argv, ignore_invalid_options: true)

    argv = [*remaining, "--", *non_options]

    formulae(argv).each do |f|
      next if f.options.empty?

      f.options.each do |o|
        name = o.flag
        description = "`#{f.name}`: #{o.description}"
        if name.end_with? "="
          flag(name, description:)
        else
          switch name, description:
        end

        conflicts "--cask", name
      end
    end
  end

  remaining, non_options = parse_remaining(argv, ignore_invalid_options:)

  named_args = if ignore_invalid_options
    []
  else
    remaining + non_options
  end

  unless ignore_invalid_options
    unless @is_dev_cmd
      set_default_options
      validate_options
    end
    check_constraint_violations
    check_named_args(named_args)
  end

  @args.freeze_named_args!(named_args, cask_options: @cask_options, without_api: @named_args_without_api)
  @args.freeze_remaining_args!(non_options.empty? ? remaining : [*remaining, "--", non_options])
  @args.freeze_processed_options!(@processed_options)
  @args.freeze

  @args_parsed = T.let(true, T.nilable(TrueClass))

  if !ignore_invalid_options && @args.help?
    puts generate_help_text
    exit
  end

  @args
end

#parse_remaining(argv, ignore_invalid_options: false) ⇒ Array<(Array<String>, 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.

Parameters:

  • argv (Array<String>)
  • ignore_invalid_options (Boolean) (defaults to: false)

Returns:



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# File 'cli/parser.rb', line 338

def parse_remaining(argv, ignore_invalid_options: false)
  i = 0
  remaining = []

  argv, non_options = split_non_options(argv)
  allow_commands = Array(@named_args_type).include?(:command)

  while i < argv.count
    begin
      begin
        arg = argv[i]

        remaining << arg unless @parser.parse([arg]).empty?
      rescue OptionParser::MissingArgument
        raise if i + 1 >= argv.count

        args = argv[i..(i + 1)]
        @parser.parse(args)
        i += 1
      end
    rescue OptionParser::InvalidOption
      if ignore_invalid_options || (allow_commands && Commands.path(arg))
        remaining << arg
      else
        $stderr.puts generate_help_text
        raise
      end
    end

    i += 1
  end

  [remaining, non_options]
end

#set_args_method(name, value) ⇒ 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.

Parameters:

  • name (Symbol)
  • value (T.untyped) 


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# File 'cli/parser.rb', line 294

def set_args_method(name, value)
  @args.set_arg(name, value)
  return if @args.respond_to?(name)

  @args.define_singleton_method(name) do
    # We cannot reference the ivar directly due to https://github.com/sorbet/sorbet/issues/8106
    instance_variable_get(:@table).fetch(name)
  end
end

#set_default_options ⇒ 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 'cli/parser.rb', line 435

def set_default_options; end

#switch(*names, description: nil, replacement: nil, env: nil, depends_on: nil, method: :on, hidden: false, disable: false) ⇒ void Also known as: switch_option

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.

Parameters:

  • names (String)
  • description (String, nil) (defaults to: nil)
  • replacement (T.untyped) (defaults to: nil)
  • env (T.untyped) (defaults to: nil)
  • depends_on (String, nil) (defaults to: nil)
  • method (Symbol) (defaults to: :on)
  • hidden (Boolean) (defaults to: false)
  • disable (Boolean) (defaults to: false) 


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# File 'cli/parser.rb', line 205

def switch(*names, description: nil, replacement: nil, env: nil, depends_on: nil,
           method: :on, hidden: false, disable: false)
  global_switch = names.first.is_a?(Symbol)
  return if global_switch

  description = option_description(description, *names, hidden:)
  env, counterpart = env
  if env && @non_global_processed_options.any?
    affix = counterpart ? " and `#{counterpart}` is passed." : "."
    description += " Enabled by default if `$HOMEBREW_#{env.upcase}` is set#{affix}"
  end
  if replacement || disable
    description += " (#{disable ? "disabled" : "deprecated"}#{"; replaced by #{replacement}" if replacement})"
  end
  process_option(*names, description, type: :switch, hidden:) unless disable

  @parser.public_send(method, *names, *wrap_option_desc(description)) do |value|
    # This odeprecated should stick around indefinitely.
    odeprecated "the `#{names.first}` switch", replacement, disable: disable if !replacement.nil? || disable
    value = true if names.none? { |name| name.start_with?("--[no-]") }

    set_switch(*names, value:, from: :args)
  end

  names.each do |name|
    set_constraints(name, depends_on:)
  end

  env_value = value_for_env(env)
  set_switch(*names, value: env_value, from: :env) unless env_value.nil?
end

#usage_banner(text) ⇒ 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.

Parameters:



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# File 'cli/parser.rb', line 246

def usage_banner(text)
  @usage_banner, @description = text.chomp.split("\n\n", 2)
end

#usage_banner_text ⇒ 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 'cli/parser.rb', line 251

def usage_banner_text = @parser.banner

#validate_options ⇒ 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 'cli/parser.rb', line 438

def validate_options; end