Class: Cask::Installer Private

Inherits:
Object show all
Extended by:
Utils::Output::Mixin
Includes:
OS::Linux::Cask::Installer, OS::Mac::Cask::Installer, Utils::Output::Mixin
Defined in:
cask/installer.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.

Installer for a Cask.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance 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

Constructor Details

#initialize(cask, command: SystemCommand, force: false, adopt: false, skip_cask_deps: false, binaries: true, verbose: false, zap: false, require_sha: false, upgrade: false, reinstall: false, installed_on_request: true, quarantine: true, verify_download_integrity: true, quiet: false, download_queue: Homebrew.default_download_queue, defer_fetch: 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.

Parameters:

  • cask (::Cask::Cask)
  • command (T.class_of(SystemCommand)) (defaults to: SystemCommand)
  • force (Boolean) (defaults to: false)
  • adopt (Boolean) (defaults to: false)
  • skip_cask_deps (Boolean) (defaults to: false)
  • binaries (Boolean) (defaults to: true)
  • verbose (Boolean) (defaults to: false)
  • zap (Boolean) (defaults to: false)
  • require_sha (Boolean) (defaults to: false)
  • upgrade (Boolean) (defaults to: false)
  • reinstall (Boolean) (defaults to: false)
  • installed_on_request (Boolean) (defaults to: true)
  • quarantine (Boolean) (defaults to: true)
  • verify_download_integrity (Boolean) (defaults to: true)
  • quiet (Boolean) (defaults to: false)
  • download_queue (Homebrew::DownloadQueue) (defaults to: Homebrew.default_download_queue)
  • defer_fetch (Boolean) (defaults to: false)


35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
# File 'cask/installer.rb', line 35

def initialize(cask, command: SystemCommand, force: false, adopt: false,
               skip_cask_deps: false, binaries: true, verbose: false,
               zap: false, require_sha: false, upgrade: false, reinstall: false,
               installed_on_request: true,
               quarantine: true, verify_download_integrity: true, quiet: false,
               download_queue: Homebrew.default_download_queue, defer_fetch: false)
  @cask = cask
  @command = command
  @force = force
  @adopt = adopt
  @skip_cask_deps = skip_cask_deps
  @binaries = binaries
  @verbose = verbose
  @zap = zap
  @require_sha = require_sha
  @reinstall = reinstall
  @upgrade = upgrade
  @installed_on_request = installed_on_request
  @quarantine = quarantine
  @verify_download_integrity = verify_download_integrity
  @quiet = quiet
  @download_queue = download_queue
  @defer_fetch = defer_fetch
  @source_download = T.let(nil, T.nilable(Homebrew::API::SourceDownload))
  @ran_prelude_fetch = T.let(false, T::Boolean)
  @ran_prelude = T.let(false, T::Boolean)
  @cask_and_formula_dependencies = T.let(nil, T.nilable(T::Array[T.any(Formula, ::Cask::Cask)]))
end

Instance Attribute Details

#cask::Cask::Cask (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:



24
25
26
# File 'cask/installer.rb', line 24

def cask
  @cask
end

Class Method Details

.caveats(cask) ⇒ 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:



101
102
103
104
105
106
107
108
109
110
111
112
113
# File 'cask/installer.rb', line 101

def self.caveats(cask)
  odebug "Printing caveats"

  caveats = cask.caveats
  return if caveats.empty?

  Homebrew.messages.record_caveats(cask.token, caveats)

  <<~EOS
    #{ohai_title "Caveats"}
    #{caveats}
  EOS
end

Instance Method Details

#adopt?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)


65
# File 'cask/installer.rb', line 65

def adopt? = @adopt

#artifactsArtifactSet

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:



274
275
276
# File 'cask/installer.rb', line 274

def artifacts
  @cask.artifacts
end

#backupvoid

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.



608
609
610
611
612
613
614
615
616
617
# File 'cask/installer.rb', line 608

def backup
  bp = backup_path
  raise "unexpected nil backup_path" unless bp

  bmp = 
  raise "unexpected nil backup_metadata_path" unless bmp

  @cask.staged_path.rename bp.to_s
  @cask..rename bmp.to_s
end

#backup_metadata_pathPathname?

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:



729
730
731
732
733
# File 'cask/installer.rb', line 729

def 
  return if @cask..nil?

  Pathname("#{@cask.}.upgrading")
end

#backup_pathPathname?

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:



722
723
724
725
726
# File 'cask/installer.rb', line 722

def backup_path
  return if @cask.staged_path.nil?

  Pathname("#{@cask.staged_path}.upgrading")
end

#binaries?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)


68
# File 'cask/installer.rb', line 68

def binaries? = @binaries

#cask_and_formula_dependenciesArray<Formula, ::Cask::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.



420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
# File 'cask/installer.rb', line 420

def cask_and_formula_dependencies
  return @cask_and_formula_dependencies if @cask_and_formula_dependencies

  graph = ::Utils::TopologicalHash.graph_package_dependencies(@cask)

  raise CaskSelfReferencingDependencyError, @cask.token if graph.fetch(@cask).include?(@cask)

  pc = primary_container
  raise "unexpected nil primary_container" unless pc

  ::Utils::TopologicalHash.graph_package_dependencies(pc.dependencies, graph)

  begin
    @cask_and_formula_dependencies = graph.tsort - [@cask]
  rescue TSort::Cyclic
    strongly_connected_components = graph.strongly_connected_components.sort_by(&:count)
    cyclic_dependencies = strongly_connected_components.last - [@cask]
    raise CaskCyclicDependencyError.new(@cask.token, cyclic_dependencies.to_sentence)
  end
end

#caveatsString?

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:



514
515
516
# File 'cask/installer.rb', line 514

def caveats
  self.class.caveats(@cask)
end

#check_arch_requirementsvoid

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.

Raises:



403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
# File 'cask/installer.rb', line 403

def check_arch_requirements
  return if @cask.depends_on.arch.nil?

  @current_arch = T.let(@current_arch, T.nilable(T::Hash[Symbol, T.untyped]))
  @current_arch ||= { type: Hardware::CPU.type, bits: Hardware::CPU.bits }
  return if @cask.depends_on.arch.any? do |arch|
    arch[:type] == @current_arch[:type] &&
    Array(arch[:bits]).include?(@current_arch[:bits])
  end

  raise CaskError,
        "#{@cask}: This cask depends on hardware architecture being one of " \
        "[#{@cask.depends_on.arch.join(", ")}], " \
        "but you are running #{@current_arch}."
end

#check_conflictsvoid

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.



207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
# File 'cask/installer.rb', line 207

def check_conflicts
  return unless @cask.conflicts_with

  @cask.conflicts_with[:cask].each do |conflicting_cask|
    if (conflicting_cask_tap_with_token = Tap.with_cask_token(conflicting_cask))
      conflicting_cask_tap, = conflicting_cask_tap_with_token
      next unless conflicting_cask_tap.installed?
    end

    conflicting_cask = CaskLoader.load(conflicting_cask)
    raise CaskConflictError.new(@cask, conflicting_cask) if conflicting_cask.installed?
  rescue CaskUnavailableError
    next # Ignore conflicting Casks that do not exist.
  end
end

#check_deprecate_disablevoid

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.



190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
# File 'cask/installer.rb', line 190

def check_deprecate_disable
  deprecate_disable_type = DeprecateDisable.type(@cask)
  return if deprecate_disable_type.nil?

  message = DeprecateDisable.message(@cask).to_s
  message_full = "#{@cask.token} has been #{message}"

  case deprecate_disable_type
  when :deprecated
    opoo message_full
  when :disabled
    GitHub::Actions.puts_annotation_if_env_set!(:error, message)
    raise CaskCannotBeInstalledError.new(@cask, message)
  end
end

#check_macos_requirementsvoid

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.

Raises:



395
396
397
398
399
400
# File 'cask/installer.rb', line 395

def check_macos_requirements
  macos_requirement = [@cask.depends_on.macos, @cask.depends_on.maximum_macos].compact.find { !it.satisfied? }
  return unless macos_requirement

  raise CaskError, "#{@cask}: #{macos_requirement.message(type: :cask)}"
end

#check_requirementsvoid

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.



381
382
383
384
385
# File 'cask/installer.rb', line 381

def check_requirements
  check_stanza_os_requirements
  check_macos_requirements
  check_arch_requirements
end

#check_stanza_os_requirementsvoid

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.

Raises:



388
389
390
391
392
# File 'cask/installer.rb', line 388

def check_stanza_os_requirements
  return if @cask.supports_macos?

  raise CaskError, "#{@cask}: This cask requires Linux."
end

#download(quiet: nil, timeout: nil) ⇒ 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:

  • quiet (Boolean, nil) (defaults to: nil)
  • timeout (Integer, Float, nil) (defaults to: nil)

Returns:



256
257
258
259
260
# File 'cask/installer.rb', line 256

def download(quiet: nil, timeout: nil)
  # Store cask download path in cask to prevent multiple downloads in a row when checking if it's outdated
  @cask.download ||= downloader.fetch(quiet:, verify_download_integrity: @verify_download_integrity,
                                      timeout:)
end

#downloaderDownload

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:



241
242
243
244
245
246
247
248
249
250
251
252
253
# File 'cask/installer.rb', line 241

def downloader
  @downloader ||= T.let(
    (if @cask.loaded_from_internal_api? && !@cask.caskfile_only?
       Homebrew::API::CaskDownload.download(
         token:       @cask.token,
         cask_struct: Homebrew::API::Internal.cask_struct(@cask.token),
         quarantine:  quarantine?,
         require_sha: require_sha? && !force?,
       )
    end) || Download.new(@cask, quarantine: quarantine?, require_sha: require_sha? && !force?),
    T.nilable(Download),
  )
end

#enqueue_downloadsvoid

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.



958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
# File 'cask/installer.rb', line 958

def enqueue_downloads
  download_queue = @download_queue
  prelude_fetch(download_queue:) unless @ran_prelude_fetch

  # FIXME: We need to load Cask source before enqueuing to support
  # language-specific URLs, but this will block the main process.
  if source_download_requires_pre_fetch?
    load_cask_from_source_api!
  elsif cask_from_source_api?
    Homebrew::API::Cask.source_download(@cask, download_queue:, enqueue: true)
  end

  forbidden_tap_check
  forbidden_cask_and_formula_check
  forbidden_cask_artifacts_check

  download_queue.enqueue(downloader)
end

#extract_primary_container(to: @cask.staged_path) ⇒ 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:

  • to (Pathname) (defaults to: @cask.staged_path)


279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
# File 'cask/installer.rb', line 279

def extract_primary_container(to: @cask.staged_path)
  odebug "Extracting primary container"

  container = primary_container
  raise "unexpected nil primary_container" unless container

  odebug "Using container class #{container.class} for #{container.path}"

  basename = downloader.basename

  if (nested_container = @cask.container&.nested)
    Dir.mktmpdir("cask-installer", HOMEBREW_TEMP) do |tmpdir|
      tmpdir = Pathname(tmpdir)
      container.extract(to: tmpdir, basename:, verbose: verbose?)

      FileUtils.chmod_R "+rw", tmpdir/nested_container, force: true, verbose: verbose?

      UnpackStrategy.detect(tmpdir/nested_container, merge_xattrs: true)
                    .extract_nestedly(to:, verbose: verbose?)
    end
  else
    container.extract_nestedly(to:, basename:, verbose: verbose?)
  end

  return unless quarantine?
  return unless Quarantine.available?

  Quarantine.propagate(from: container.path, to:)
end

#fetch(quiet: nil, timeout: 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.

This method returns an undefined value.

Parameters:

  • quiet (Boolean, nil) (defaults to: nil)
  • timeout (Integer, Float, nil) (defaults to: nil)


116
117
118
119
120
121
122
123
124
# File 'cask/installer.rb', line 116

def fetch(quiet: nil, timeout: nil)
  odebug "Cask::Installer#fetch"

  prelude

  download(quiet:, timeout:) unless @defer_fetch

  satisfy_cask_and_formula_dependencies
end

#finalize_upgradevoid

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.



644
645
646
647
648
649
650
# File 'cask/installer.rb', line 644

def finalize_upgrade
  ohai "Purging files for version #{@cask.version} of Cask #{@cask}"

  purge_backed_up_versioned_files

  puts summary
end

#forbidden_cask_and_formula_check(cask_only: 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:

  • cask_only (Boolean) (defaults to: false)


831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
# File 'cask/installer.rb', line 831

def forbidden_cask_and_formula_check(cask_only: false)
  forbid_casks = Homebrew::EnvConfig.forbid_casks?
  forbidden_formulae = Set.new(Homebrew::EnvConfig.forbidden_formulae.to_s.split)
  forbidden_casks = Set.new(Homebrew::EnvConfig.forbidden_casks.to_s.split)
  return if !forbid_casks && forbidden_formulae.blank? && forbidden_casks.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  cask_variable = if forbid_casks
    "HOMEBREW_FORBID_CASKS"
  elsif forbidden_casks.include?(@cask.token) || forbidden_casks.include?(@cask.full_name)
    "HOMEBREW_FORBIDDEN_CASKS"
  end

  if cask_variable
    raise CaskCannotBeInstalledError.new(@cask, <<~EOS
      forbidden for installation by #{owner} in `#{cask_variable}`.#{owner_contact}
    EOS
    )
  end

  return if cask_only
  return if skip_cask_deps?

  cask_and_formula_dependencies.each do |dep_cask_or_formula|
    dep_name, dep_type, variable = if dep_cask_or_formula.is_a?(Cask) && forbidden_casks.present?
      dep_cask = dep_cask_or_formula
      env_variable = "HOMEBREW_FORBIDDEN_CASKS"
      dep_cask_name = if forbidden_casks.include?(dep_cask.token)
        dep_cask.token
      elsif forbidden_casks.include?(dep_cask.full_name)
        dep_cask.full_name
      end
      [dep_cask_name, "cask", env_variable]
    elsif dep_cask_or_formula.is_a?(Formula) && forbidden_formulae.present?
      dep_formula = dep_cask_or_formula
      formula_name = if forbidden_formulae.include?(dep_formula.name)
        dep_formula.name
      elsif dep_formula.tap.present? &&
            forbidden_formulae.include?(dep_formula.full_name)
        dep_formula.full_name
      end
      [formula_name, "formula", "HOMEBREW_FORBIDDEN_FORMULAE"]
    end
    next if dep_name.blank?

    raise CaskCannotBeInstalledError.new(@cask, <<~EOS
      has a dependency #{dep_name} but the
      #{dep_name} #{dep_type} was forbidden for installation by #{owner} in `#{variable}`.#{owner_contact}
    EOS
    )
  end
end

#forbidden_cask_artifacts_checkvoid

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.



889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
# File 'cask/installer.rb', line 889

def forbidden_cask_artifacts_check
  forbidden_artifacts = Set.new(Homebrew::EnvConfig.forbidden_cask_artifacts.to_s.split)
  return if forbidden_artifacts.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  artifacts.each do |artifact|
    # Get the artifact class name (e.g., "Pkg", "Installer", "App")
    artifact_name = artifact.class.name
    next if artifact_name.nil?

    artifact_type = artifact_name.split("::").last&.downcase
    next if artifact_type.nil?

    next unless forbidden_artifacts.include?(artifact_type)

    raise CaskCannotBeInstalledError.new(@cask, <<~EOS
      contains a '#{artifact_type}' artifact, which is forbidden for installation by #{owner} in `HOMEBREW_FORBIDDEN_CASK_ARTIFACTS`.#{owner_contact}
    EOS
    )
  end
end

#forbidden_tap_check(cask_only: 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:

  • cask_only (Boolean) (defaults to: false)


789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
# File 'cask/installer.rb', line 789

def forbidden_tap_check(cask_only: false)
  return if Tap.allowed_taps.blank? && Tap.forbidden_taps.blank?

  owner = Homebrew::EnvConfig.forbidden_owner
  owner_contact = if (contact = Homebrew::EnvConfig.forbidden_owner_contact.presence)
    "\n#{contact}"
  end

  # Check the cask itself before its dependencies, since dependency resolution
  # for casks triggers a download via `primary_container`.
  cask_tap = @cask.tap
  if cask_tap.present? && (!cask_tap.allowed_by_env? || cask_tap.forbidden_by_env?)
    cask_error_message = "The installation of #{@cask.full_name} has the tap #{cask_tap}\n" \
                         "but #{owner} "
    cask_error_message << "has not allowed this tap in `$HOMEBREW_ALLOWED_TAPS`" unless cask_tap.allowed_by_env?
    cask_error_message << " and\n" if !cask_tap.allowed_by_env? && cask_tap.forbidden_by_env?
    cask_error_message << "has forbidden this tap in `$HOMEBREW_FORBIDDEN_TAPS`" if cask_tap.forbidden_by_env?
    cask_error_message << ".#{owner_contact}"

    raise CaskCannotBeInstalledError.new(@cask, cask_error_message)
  end

  return if cask_only
  return if skip_cask_deps?

  cask_and_formula_dependencies.each do |cask_or_formula|
    dep_tap = cask_or_formula.tap
    next if dep_tap.blank? || (dep_tap.allowed_by_env? && !dep_tap.forbidden_by_env?)

    dep_full_name = cask_or_formula.full_name
    error_message = "The installation of #{@cask} has a dependency #{dep_full_name}\n" \
                    "from the #{dep_tap} tap but #{owner} "
    error_message << "has not allowed this tap in `$HOMEBREW_ALLOWED_TAPS`" unless dep_tap.allowed_by_env?
    error_message << " and\n" if !dep_tap.allowed_by_env? && dep_tap.forbidden_by_env?
    error_message << "has forbidden this tap in `$HOMEBREW_FORBIDDEN_TAPS`" if dep_tap.forbidden_by_env?
    error_message << ".#{owner_contact}"

    raise CaskCannotBeInstalledError.new(@cask, error_message)
  end
end

#force?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)


71
# File 'cask/installer.rb', line 71

def force? = @force

#gain_permissions_remove(path) ⇒ 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:



736
737
738
# File 'cask/installer.rb', line 736

def gain_permissions_remove(path)
  Utils.gain_permissions_remove(path, command: @command)
end

#installvoid

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.



141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
# File 'cask/installer.rb', line 141

def install
  start_time = Time.now
  odebug "Cask::Installer#install"

  Migrator.migrate_if_needed(@cask)

  old_config = @cask.config
  predecessor = @cask if reinstall? && @cask.installed?

  prelude

  print caveats
  fetch
  uninstall_existing_cask if reinstall?

  backup if force? && @cask.staged_path.exist? && @cask..exist?

  oh1 "Installing Cask #{Formatter.identifier(@cask)}"
  # GitHub Actions globally disables Gatekeeper.
  unless quarantine?
    opoo_outside_github_actions "--no-quarantine bypasses macOS’s Gatekeeper, reducing system security. " \
                                "Do not use this flag unless you understand the risks."
  end
  stage

  @cask.config = @cask.default_config.merge(old_config)

  install_artifacts(predecessor:)

  tab = Tab.create(@cask)
  tab.installed_on_request = installed_on_request?
  tab.write

  if (tap = @cask.tap) && tap.should_report_analytics?
    ::Utils::Analytics.report_package_event(:cask_install, package_name: @cask.token, tap_name: tap.name,
on_request: true)
  end

  purge_backed_up_versioned_files

  puts summary
  end_time = Time.now
  Homebrew.messages.package_installed(@cask.token, end_time - start_time)
rescue
  restore_backup
  raise
end

#install_artifacts(predecessor: 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.

This method returns an undefined value.

Parameters:

  • predecessor (Cask, nil) (defaults to: nil)


323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
# File 'cask/installer.rb', line 323

def install_artifacts(predecessor: nil)
  already_installed_artifacts = []

  odebug "Installing artifacts"

  artifacts.each do |artifact|
    next unless artifact.respond_to?(:install_phase)

    odebug "Installing artifact of class #{artifact.class}"

    next if artifact.is_a?(Artifact::Binary) && !binaries?

    artifact = T.cast(
      artifact,
      T.any(
        Artifact::AbstractFlightBlock,
        Artifact::GeneratedCompletion,
        Artifact::Installer,
        Artifact::KeyboardLayout,
        Artifact::Mdimporter,
        Artifact::Moved,
        Artifact::PostflightSteps,
        Artifact::PreflightSteps,
        Artifact::Pkg,
        Artifact::Qlplugin,
        Artifact::Symlinked,
      ),
    )

    artifact.install_phase(
      command: @command, verbose: verbose?, adopt: adopt?, auto_updates: @cask.auto_updates,
      force: force?, predecessor:
    )
    already_installed_artifacts.unshift(artifact)
  end

  save_config_file
  save_download_sha if @cask.version.latest?
rescue => e
  begin
    already_installed_artifacts&.each do |artifact|
      if artifact.respond_to?(:uninstall_phase)
        odebug "Reverting installation of artifact of class #{artifact.class}"
        artifact.uninstall_phase(command: @command, verbose: verbose?, force: force?)
      end

      next unless artifact.respond_to?(:post_uninstall_phase)

      odebug "Reverting installation of artifact of class #{artifact.class}"
      artifact.post_uninstall_phase(command: @command, verbose: verbose?, force: force?)
    end
  ensure
    purge_versioned_files
    raise e
  end
end

#installed_on_request?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)


74
# File 'cask/installer.rb', line 74

def installed_on_request? = @installed_on_request

#metadata_subdirPathname

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:



519
520
521
522
523
524
525
526
527
528
529
# File 'cask/installer.rb', line 519

def 
  @metadata_subdir ||= T.let(
    begin
      msd = @cask.("Casks", timestamp: :now, create: true)
      raise "unexpected nil metadata_subdir" unless msd

      msd
    end,
    T.nilable(Pathname),
  )
end

#missing_cask_and_formula_dependenciesArray<Formula, ::Cask::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.

Returns:



442
443
444
445
446
447
448
449
450
451
# File 'cask/installer.rb', line 442

def missing_cask_and_formula_dependencies
  cask_and_formula_dependencies.reject do |cask_or_formula|
    case cask_or_formula
    when Formula
      cask_or_formula.any_version_installed? && cask_or_formula.optlinked?
    when Cask
      cask_or_formula.installed?
    end
  end
end

#preludevoid

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.



916
917
918
919
920
921
922
923
924
925
926
# File 'cask/installer.rb', line 916

def prelude
  return if @ran_prelude

  check_prelude_requirements unless @ran_prelude_fetch
  load_cask_from_source_api! if cask_from_source_api?
  forbidden_tap_check
  forbidden_cask_and_formula_check
  forbidden_cask_artifacts_check

  @ran_prelude = true
end

#prelude_fetch(download_queue: @download_queue) ⇒ 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:



934
935
936
937
938
# File 'cask/installer.rb', line 934

def prelude_fetch(download_queue: @download_queue)
  return unless (download = prelude_fetch_download)

  download_queue.enqueue(download)
end

#prelude_fetch_downloadHomebrew::API::SourceDownload?

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.



941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
# File 'cask/installer.rb', line 941

def prelude_fetch_download
  return if @ran_prelude_fetch

  check_prelude_requirements
  @ran_prelude_fetch = true
  return unless source_download_requires_pre_fetch?

  if source_download.downloaded?
    source_download.verify_download_integrity(source_download.cached_download)
    source_download.downloader.create_symlink_to_cached_download(source_download.cached_download)
    return
  end

  source_download
end

#primary_containerUnpackStrategy

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:



263
264
265
266
267
268
269
270
271
# File 'cask/installer.rb', line 263

def primary_container
  @primary_container ||= T.let(
    begin
      downloaded_path = download(quiet: true)
      UnpackStrategy.detect(downloaded_path, type: @cask.container&.type, merge_xattrs: true)
    end,
    T.nilable(UnpackStrategy),
  )
end

#process_rename_operations(target_dir: 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.

This method returns an undefined value.

Parameters:

  • target_dir (Pathname, nil) (defaults to: nil)


310
311
312
313
314
315
316
317
318
319
320
# File 'cask/installer.rb', line 310

def process_rename_operations(target_dir: nil)
  return if @cask.rename.empty?

  working_dir = target_dir || @cask.staged_path
  odebug "Processing rename operations in #{working_dir}"

  @cask.rename.each do |rename_operation|
    odebug "Renaming #{rename_operation.from} to #{rename_operation.to}"
    rename_operation.perform_rename(working_dir)
  end
end

#purge_backed_up_versioned_filesvoid

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.



741
742
743
744
745
746
747
748
749
750
751
752
753
# File 'cask/installer.rb', line 741

def purge_backed_up_versioned_files
  # versioned staged distribution
  gain_permissions_remove(T.must(backup_path)) if backup_path&.exist?

  # Homebrew Cask metadata
  bmp = 
  return unless bmp&.directory?

  bmp.children.each do |subdir|
    gain_permissions_remove(subdir)
  end
  bmp.rmdir_if_possible
end

#purge_caskroom_pathvoid

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.



783
784
785
786
# File 'cask/installer.rb', line 783

def purge_caskroom_path
  odebug "Purging all staged versions of Cask #{@cask}"
  gain_permissions_remove(@cask.caskroom_path)
end

#purge_versioned_filesvoid

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.



756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
# File 'cask/installer.rb', line 756

def purge_versioned_files
  ohai "Purging files for version #{@cask.version} of Cask #{@cask}"

  # versioned staged distribution
  gain_permissions_remove(@cask.staged_path) if @cask.staged_path&.exist?

  # Homebrew Cask metadata
  if @cask..directory?
    @cask..children.each do |subdir|
      gain_permissions_remove(subdir)
    end

    @cask..rmdir_if_possible
  end
  @cask..rmdir_if_possible unless upgrade?

  # toplevel staged distribution
  @cask.caskroom_path.rmdir_if_possible unless upgrade?

  # Remove symlinks for renamed casks if they are now broken.
  @cask.old_tokens.each do |old_token|
    old_caskroom_path = Caskroom.path/old_token
    FileUtils.rm old_caskroom_path if old_caskroom_path.symlink? && !old_caskroom_path.exist?
  end
end

#quarantine?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)


77
# File 'cask/installer.rb', line 77

def quarantine? = @quarantine

#quiet?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)


80
# File 'cask/installer.rb', line 80

def quiet? = @quiet

#reinstall?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)


83
# File 'cask/installer.rb', line 83

def reinstall? = @reinstall

#remove_config_filevoid

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.



590
591
592
593
# File 'cask/installer.rb', line 590

def remove_config_file
  FileUtils.rm_f @cask.config_path
  @cask.config_path.parent.rmdir_if_possible
end

#remove_download_shavoid

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.



596
597
598
599
# File 'cask/installer.rb', line 596

def remove_download_sha
  FileUtils.rm_f @cask.download_sha_path
  @cask.download_sha_path.parent.rmdir_if_possible
end

#remove_tabfilevoid

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.



583
584
585
586
587
# File 'cask/installer.rb', line 583

def remove_tabfile
  tabfile = @cask.tab.tabfile
  FileUtils.rm_f tabfile if tabfile
  @cask.config_path.parent.rmdir_if_possible
end

#require_sha?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)


86
# File 'cask/installer.rb', line 86

def require_sha? = @require_sha

#restore_backupvoid

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.



620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
# File 'cask/installer.rb', line 620

def restore_backup
  bp = backup_path
  return unless bp

  bmp = 
  return unless bmp

  return if !bp.directory? || !bmp.directory?

  FileUtils.rm_r(@cask.staged_path) if @cask.staged_path.exist?
  FileUtils.rm_r(@cask.) if @cask..exist?

  bp.rename @cask.staged_path.to_s
  bmp.rename @cask..to_s
end

#revert_upgrade(predecessor:) ⇒ 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:

  • predecessor (Cask)


637
638
639
640
641
# File 'cask/installer.rb', line 637

def revert_upgrade(predecessor:)
  opoo "Reverting upgrade for Cask #{@cask}"
  restore_backup
  install_artifacts(predecessor:)
end

#satisfy_cask_and_formula_dependenciesvoid

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.



454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
# File 'cask/installer.rb', line 454

def satisfy_cask_and_formula_dependencies
  return unless installed_on_request?

  formulae_and_casks = cask_and_formula_dependencies

  return if formulae_and_casks.empty?

  missing_formulae_and_casks = missing_cask_and_formula_dependencies

  if missing_formulae_and_casks.empty?
    puts "All dependencies satisfied."
    return
  end

  ohai "Installing dependencies: #{missing_formulae_and_casks.join(", ")}"
  cask_installers = T.let([], T::Array[Installer])
  formula_installers = T.let([], T::Array[FormulaInstaller])

  missing_formulae_and_casks.each do |cask_or_formula|
    if cask_or_formula.is_a?(Cask)
      if skip_cask_deps?
        opoo "`--skip-cask-deps` is set; skipping installation of #{cask_or_formula}."
        next
      end

      cask_installers << Installer.new(
        cask_or_formula,
        adopt:                adopt?,
        binaries:             binaries?,
        force:                false,
        installed_on_request: false,
        quarantine:           quarantine?,
        quiet:                quiet?,
        require_sha:          require_sha?,
        verbose:              verbose?,
      )
    else
      formula_installers << FormulaInstaller.new(
        cask_or_formula,
        **{
          show_header:          true,
          installed_on_request: false,
          verbose:              verbose?,
        }.compact,
      )
    end
  end

  cask_installers.each(&:install)
  return if formula_installers.blank?

  Homebrew::Install.perform_preinstall_checks_once
  valid_formula_installers = Homebrew::Install.fetch_formulae(formula_installers)
  valid_formula_installers.each do |formula_installer|
    formula_installer.install
    formula_installer.finish
  end
end

#save_caskfilevoid

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.



532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
# File 'cask/installer.rb', line 532

def save_caskfile
  old_savedir = @cask.

  return if @cask.source.blank?

  extension = if @cask.loaded_from_internal_api?
    "internal.json"
  elsif @cask.loaded_from_api?
    "json"
  else
    "rb"
  end

  source = if @cask.loaded_from_internal_api? && (api_source = @cask.api_source)
    api_source = api_source.merge({ "tap_git_head" => @cask.tap_git_head })
    JSON.pretty_generate(api_source)
  else
    @cask.source
  end

  (/"#{@cask.token}.#{extension}").write source
  FileUtils.rm_r(old_savedir) if old_savedir
end

#save_config_filevoid

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.



557
558
559
# File 'cask/installer.rb', line 557

def save_config_file
  @cask.config_path.atomic_write(@cask.config.to_json)
end

#save_download_shavoid

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.



562
563
564
565
566
# File 'cask/installer.rb', line 562

def save_download_sha
  return unless @cask.checksumable?

  @cask.download_sha_path.atomic_write(@cask.new_download_sha)
end

#skip_cask_deps?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)


89
# File 'cask/installer.rb', line 89

def skip_cask_deps? = @skip_cask_deps

#source_download_requires_pre_fetch?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)


929
930
931
# File 'cask/installer.rb', line 929

def source_download_requires_pre_fetch?
  cask_from_source_api? && @cask.languages.any?
end

#stagevoid

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.



127
128
129
130
131
132
133
134
135
136
137
138
# File 'cask/installer.rb', line 127

def stage
  odebug "Cask::Installer#stage"

  Caskroom.ensure_caskroom_exists

  extract_primary_container
  process_rename_operations
  save_caskfile
rescue => e
  purge_versioned_files
  raise e
end

#start_upgrade(successor:, quit: true) ⇒ 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:

  • successor (Cask, nil)
  • quit (Boolean) (defaults to: true)


602
603
604
605
# File 'cask/installer.rb', line 602

def start_upgrade(successor:, quit: true)
  uninstall_artifacts(successor:, quit:)
  backup
end

#summaryString

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:



233
234
235
236
237
238
# File 'cask/installer.rb', line 233

def summary
  s = +""
  s << "#{Homebrew::EnvConfig.install_badge}  " unless Homebrew::EnvConfig.no_emoji?
  s << "#{@cask} was successfully #{upgrade? ? "upgraded" : "installed"}!"
  s.freeze
end

#uninstall(successor: 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.

This method returns an undefined value.

Parameters:

  • successor (Cask, nil) (defaults to: nil)


569
570
571
572
573
574
575
576
577
578
579
580
# File 'cask/installer.rb', line 569

def uninstall(successor: nil)
  load_installed_caskfile!
  oh1 "Uninstalling Cask #{Formatter.identifier(@cask)}"
  uninstall_artifacts(clear: true, successor:)
  if !reinstall? && !upgrade?
    remove_tabfile
    remove_download_sha
    remove_config_file
  end
  purge_versioned_files
  purge_caskroom_path if force?
end

#uninstall_artifacts(clear: false, successor: nil, quit: true) ⇒ 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:

  • clear (Boolean) (defaults to: false)
  • successor (Cask, nil) (defaults to: nil)
  • quit (Boolean) (defaults to: true)


653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
# File 'cask/installer.rb', line 653

def uninstall_artifacts(clear: false, successor: nil, quit: true)
  odebug "Uninstalling artifacts"
  odebug "#{::Utils.pluralize("artifact", artifacts.length, include_count: true)} defined", artifacts

  artifacts.each do |artifact|
    if artifact.respond_to?(:uninstall_phase)
      artifact = T.cast(
        artifact,
        T.any(
          Artifact::AbstractFlightBlock,
          Artifact::GeneratedCompletion,
          Artifact::KeyboardLayout,
          Artifact::Moved,
          Artifact::PostflightSteps,
          Artifact::PreflightSteps,
          Artifact::Qlplugin,
          Artifact::Symlinked,
          Artifact::Uninstall,
          Artifact::UninstallPostflightSteps,
          Artifact::UninstallPreflightSteps,
        ),
      )

      odebug "Uninstalling artifact of class #{artifact.class}"
      uninstall_options = {
        command:   @command,
        verbose:   verbose?,
        skip:      clear,
        force:     force?,
        successor:,
        upgrade:   upgrade?,
        reinstall: reinstall?,
      }
      uninstall_options[:quit] = quit if artifact.is_a?(Artifact::Uninstall)
      artifact.uninstall_phase(**uninstall_options)
    end

    next unless artifact.respond_to?(:post_uninstall_phase)

    artifact = T.cast(artifact, Artifact::Uninstall)

    odebug "Post-uninstalling artifact of class #{artifact.class}"
    artifact.post_uninstall_phase(
      command:   @command,
      verbose:   verbose?,
      skip:      clear,
      force:     force?,
      successor:,
    )
  end
end

#uninstall_existing_caskvoid

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.



224
225
226
227
228
229
230
# File 'cask/installer.rb', line 224

def uninstall_existing_cask
  return unless @cask.installed?

  # Always force uninstallation, ignore method parameter
  cask_installer = Installer.new(@cask, verbose: verbose?, force: true, upgrade: upgrade?, reinstall: true)
  zap? ? cask_installer.zap : cask_installer.uninstall(successor: @cask)
end

#upgrade?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)


92
# File 'cask/installer.rb', line 92

def upgrade? = @upgrade

#verbose?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)


95
# File 'cask/installer.rb', line 95

def verbose? = @verbose

#zapvoid

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.



706
707
708
709
710
711
712
713
714
715
716
717
718
719
# File 'cask/installer.rb', line 706

def zap
  load_installed_caskfile!
  uninstall_artifacts
  if (zap_stanzas = @cask.artifacts.grep(Artifact::Zap)).empty?
    opoo "No zap stanza present for Cask '#{@cask}'"
  else
    ohai "Dispatching zap stanza"
    zap_stanzas.each do |stanza|
      stanza.zap_phase(command: @command, verbose: verbose?, force: force?)
    end
  end
  ohai "Removing all staged versions of Cask '#{@cask}'"
  purge_caskroom_path
end

#zap?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)


98
# File 'cask/installer.rb', line 98

def zap? = @zap