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

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:



128
129
130
131
132
133
134
135
136
 
# File 'cask/cask_loader.rb', line 128

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)
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. 



125
126
127
 
# File 'cask/cask_loader.rb', line 125

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. 



125
126
127
 
# File 'cask/cask_loader.rb', line 125

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) 


118
119
120
121
122
123
 
# File 'cask/cask_loader.rb', line 118

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) 


98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'cask/cask_loader.rb', line 98

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 if Homebrew::EnvConfig.forbid_packages_from_paths? &&
            !path.realpath.to_s.start_with?("#{Caskroom.path}/", "#{HOMEBREW_LIBRARY}/Taps/")

  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:



139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
 
# File 'cask/cask_loader.rb', line 139

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)
    return FromAPILoader.new(token, from_json:, path:).load(config:)
  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
  end
end