Class: Cask::CaskLoader::FromPathLoader Private

Inherits:
AbstractContentLoader show all
Defined in:
cask/cask_loader.rb

Overview

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.

Loads a cask from a path.

Instance Attribute Summary collapse

Attributes inherited from AbstractContentLoader

#content, #tap

Class Method Summary collapse

Instance 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_deprecated, #pretty_disabled, #pretty_duration, #pretty_installed, #pretty_outdated, #pretty_uninstalled

Constructor Details

#initialize(path, token: T.unsafe(nil)) ⇒ 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 'cask/cask_loader.rb', line 132

def initialize(path, token: T.unsafe(nil))
  super()

  path = Pathname(path).expand_path

  @token = path.basename(path.extname).to_s
  @path = path
  @tap = Tap.from_path(path) || Homebrew::API.tap_from_source_download(path)
  @from_installed_caskfile = false
end

Instance Attribute Details

#path ⇒ Object (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. 



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# File 'cask/cask_loader.rb', line 129

def path
  @path
end

#token ⇒ Object (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. 



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# File 'cask/cask_loader.rb', line 129

def token
  @token
end

Class Method Details

.invalid_path?(pathname, valid_extnames: %w[.rb .json])) ⇒ 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 'cask/cask_loader.rb', line 122

def self.invalid_path?(pathname, valid_extnames: %w[.rb .json])
  return true if valid_extnames.exclude?(pathname.extname)

  @invalid_basenames ||= %w[INSTALL_RECEIPT.json sbom.spdx.json].freeze
  @invalid_basenames.include?(pathname.basename.to_s)
end

.try_new(ref, warn: false) ⇒ T.attached_class?

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:

  • (T.attached_class, nil) 


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# File 'cask/cask_loader.rb', line 104

def self.try_new(ref, warn: false)
  path = case ref
  when String
    Pathname(ref)
  when Pathname
    ref
  else
    return
  end

  return unless path.expand_path.exist?
  return if invalid_path?(path)
  return unless ::Utils::Path.loadable_package_path?(path, :cask)

  new(path)
end

Instance Method Details

#load(config:) ⇒ Cask

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:

Raises:



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# File 'cask/cask_loader.rb', line 144

def load(config:)
  raise CaskUnavailableError.new(token, "'#{path}' does not exist.")  unless path.exist?
  raise CaskUnavailableError.new(token, "'#{path}' is not readable.") unless path.readable?
  raise CaskUnavailableError.new(token, "'#{path}' is not a file.")   unless path.file?

  @content = path.read(encoding: "UTF-8")
  @config = config

  if !self.class.invalid_path?(path, valid_extnames: %w[.json]) &&
     (from_json = JSON.parse(@content).presence) &&
     from_json.is_a?(Hash)
    begin
      return FromAPILoader.new(
        token,
        from_json:,
        path:,
        from_installed_caskfile: @from_installed_caskfile,
      ).load(config:)
    rescue CaskInvalidError => e
      if @from_installed_caskfile
        error = CaskUnreadableError.new(token, e.reason)
        error.set_backtrace e.backtrace
        raise error
      end
      raise
    end
  end

  begin
    instance_eval(content, path).tap do |cask|
      raise CaskUnreadableError.new(token, "'#{path}' does not contain a cask.") unless cask.is_a?(Cask)
    end
  rescue NameError, ArgumentError, ScriptError => e
    error = CaskUnreadableError.new(token, e.message)
    error.set_backtrace e.backtrace
    raise error
  rescue CaskInvalidError => e # e.g. NoMethodError from removed DSL methods, wrapped
    # as CaskInvalidError by Cask#refresh before reaching here.
    if @from_installed_caskfile
      error = CaskUnreadableError.new(token, e.reason)
      error.set_backtrace e.backtrace
      raise error
    end
    raise
  end
end