Class: Cask::Installer Private

Inherits:
Object show all
Includes:
OS::Linux::Cask::Installer
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.

Constant Summary

Constants included from OS::Linux::Cask::Installer

OS::Linux::Cask::Installer::LINUX_INVALID_ARTIFACTS

Class Method Summary collapse

Instance Method Summary collapse

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_as_dependency: false, installed_on_request: true, quarantine: true, verify_download_integrity: true, quiet: 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[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_as_dependency (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) 


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# File 'cask/installer.rb', line 28

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_as_dependency: false, installed_on_request: true,
               quarantine: true, verify_download_integrity: true, quiet: 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_as_dependency = installed_as_dependency
  @installed_on_request = installed_on_request
  @quarantine = quarantine
  @verify_download_integrity = verify_download_integrity
  @quiet = quiet
end

Class Method Details

.caveats(cask) ⇒ 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 'cask/installer.rb', line 90

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) 


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# File 'cask/installer.rb', line 52

def adopt? = @adopt

#artifacts ⇒ ArtifactSet

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 'cask/installer.rb', line 263

def artifacts
  @cask.artifacts
end

#backup ⇒ 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 'cask/installer.rb', line 516

def backup
  @cask.staged_path.rename backup_path
  @cask.metadata_versioned_path.rename backup_metadata_path
end

#backup_metadata_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 'cask/installer.rb', line 600

def backup_metadata_path
  return if @cask.metadata_versioned_path.nil?

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

#backup_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 'cask/installer.rb', line 594

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) 


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# File 'cask/installer.rb', line 55

def binaries? = @binaries

#cask_and_formula_dependencies ⇒ Array<T.untyped>

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:

Raises:



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# File 'cask/installer.rb', line 372

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)

  ::Utils::TopologicalHash.graph_package_dependencies(primary_container.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

#caveats ⇒ 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 'cask/installer.rb', line 454

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

#check_arch_requirements ⇒ 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.

Raises:



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# File 'cask/installer.rb', line 356

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

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

#check_conflicts ⇒ 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 'cask/installer.rb', line 199

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_disable ⇒ 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 'cask/installer.rb', line 182

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_requirements ⇒ 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 'cask/installer.rb', line 348

def check_macos_requirements
  return unless @cask.depends_on.macos
  return if @cask.depends_on.macos.satisfied?

  raise CaskError, @cask.depends_on.macos.message(type: :cask)
end

#check_requirements ⇒ 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 'cask/installer.rb', line 337

def check_requirements
  check_stanza_os_requirements
  check_macos_requirements
  check_arch_requirements
end

#check_stanza_os_requirements ⇒ 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 'cask/installer.rb', line 344

def check_stanza_os_requirements
  nil
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:



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# File 'cask/installer.rb', line 238

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

#downloader ⇒ Download

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 'cask/installer.rb', line 233

def downloader
  @downloader ||= Download.new(@cask, quarantine: quarantine?)
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) 


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# File 'cask/installer.rb', line 268

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

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

  basename = downloader.basename

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

  return unless quarantine?
  return unless Quarantine.available?

  Quarantine.propagate(from: primary_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) 


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# File 'cask/installer.rb', line 105

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

  load_cask_from_source_api! if @cask.loaded_from_api? && @cask.caskfile_only?
  verify_has_sha if require_sha? && !force?
  check_requirements

  forbidden_tap_check
  forbidden_cask_and_formula_check

  download(quiet:, timeout:)

  satisfy_cask_and_formula_dependencies
end

#finalize_upgrade ⇒ 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 'cask/installer.rb', line 538

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 ⇒ 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.

Raises:



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# File 'cask/installer.rb', line 694

def forbidden_cask_and_formula_check
  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

  unless 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 forbid_casks
          env_variable = "HOMEBREW_FORBID_CASKS"
          dep_cask.token
        elsif forbidden_casks.include?(dep_cask.full_name)
          dep_cask.token
        elsif dep_cask.tap.present? &&
              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
  return if !forbid_casks && forbidden_casks.blank?

  variable = "HOMEBREW_FORBIDDEN_CASKS"
  if forbid_casks
    variable = "HOMEBREW_FORBID_CASKS"
    @cask.token
  elsif forbidden_casks.include?(@cask.token)
    @cask.token
  elsif forbidden_casks.include?(@cask.full_name)
    @cask.full_name
  else
    return
  end

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

#forbidden_tap_check ⇒ 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.

Raises:



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# File 'cask/installer.rb', line 655

def forbidden_tap_check
  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

  unless 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

  cask_tap = @cask.tap
  return if cask_tap.blank? || (cask_tap.allowed_by_env? && !cask_tap.forbidden_by_env?)

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

  raise CaskCannotBeInstalledError.new(@cask, error_message)
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) 


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# File 'cask/installer.rb', line 58

def force? = @force

#gain_permissions_remove(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 'cask/installer.rb', line 606

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

#install ⇒ 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 'cask/installer.rb', line 134

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?

  check_deprecate_disable
  check_conflicts

  print caveats
  fetch
  uninstall_existing_cask if reinstall?

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

  oh1 "Installing Cask #{Formatter.identifier(@cask)}"
  # GitHub Actions globally disables Gatekeeper.
  opoo "macOS's Gatekeeper has been disabled for this Cask" if !quarantine? && !GitHub::Actions.env_set?
  stage

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

  install_artifacts(predecessor:)

  tab = Tab.create(@cask)
  tab.installed_as_dependency = installed_as_dependency?
  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) 


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# File 'cask/installer.rb', line 296

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.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_as_dependency? ⇒ 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 'cask/installer.rb', line 61

def installed_as_dependency? = @installed_as_dependency

#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) 


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# File 'cask/installer.rb', line 64

def installed_on_request? = @installed_on_request

#metadata_subdir ⇒ 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 'cask/installer.rb', line 458

def metadata_subdir
  @metadata_subdir ||= @cask.metadata_subdir("Casks", timestamp: :now, create: true)
end

#missing_cask_and_formula_dependencies ⇒ 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 'cask/installer.rb', line 390

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

#primary_container ⇒ 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 'cask/installer.rb', line 255

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

#purge_backed_up_versioned_files ⇒ 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 'cask/installer.rb', line 610

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

  # Homebrew Cask metadata
  return unless backup_metadata_path.directory?

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

#purge_caskroom_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 'cask/installer.rb', line 649

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

#purge_versioned_files ⇒ 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 'cask/installer.rb', line 623

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.metadata_versioned_path.directory?
    @cask.metadata_versioned_path.children.each do |subdir|
      gain_permissions_remove(subdir)
    end

    @cask.metadata_versioned_path.rmdir_if_possible
  end
  @cask.metadata_main_container_path.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) 


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# File 'cask/installer.rb', line 67

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) 


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# File 'cask/installer.rb', line 70

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) 


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# File 'cask/installer.rb', line 73

def reinstall? = @reinstall

#remove_config_file ⇒ 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 'cask/installer.rb', line 500

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

#remove_download_sha ⇒ 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 'cask/installer.rb', line 505

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

#remove_tabfile ⇒ 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 'cask/installer.rb', line 494

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) 


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# File 'cask/installer.rb', line 76

def require_sha? = @require_sha

#restore_backup ⇒ 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 'cask/installer.rb', line 521

def restore_backup
  return if !backup_path.directory? || !backup_metadata_path.directory?

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

  backup_path.rename @cask.staged_path
  backup_metadata_path.rename @cask.metadata_versioned_path
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) 


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# File 'cask/installer.rb', line 532

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

#satisfy_cask_and_formula_dependencies ⇒ 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 'cask/installer.rb', line 401

def satisfy_cask_and_formula_dependencies
  return if installed_as_dependency?

  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.map(&:to_s).join(", ")}"
  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

      Installer.new(
        cask_or_formula,
        adopt:                   adopt?,
        binaries:                binaries?,
        force:                   false,
        installed_as_dependency: true,
        installed_on_request:    false,
        quarantine:              quarantine?,
        quiet:                   quiet?,
        require_sha:             require_sha?,
        verbose:                 verbose?,
      ).install
    else
      Homebrew::Install.perform_preinstall_checks_once
      fi = FormulaInstaller.new(
        cask_or_formula,
        **{
          show_header:             true,
          installed_as_dependency: true,
          installed_on_request:    false,
          verbose:                 verbose?,
        }.compact,
      )
      fi.prelude
      fi.fetch
      fi.install
      fi.finish
    end
  end
end

#save_caskfile ⇒ 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 'cask/installer.rb', line 462

def save_caskfile
  old_savedir = @cask.metadata_timestamped_path

  return if @cask.source.blank?

  extension = @cask.loaded_from_api? ? "json" : "rb"
  (metadata_subdir/"#{@cask.token}.#{extension}").write @cask.source
  FileUtils.rm_r(old_savedir) if old_savedir
end

#save_config_file ⇒ 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 'cask/installer.rb', line 472

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

#save_download_sha ⇒ 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 'cask/installer.rb', line 476

def save_download_sha
  @cask.download_sha_path.atomic_write(@cask.new_download_sha) if @cask.checksumable?
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) 


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# File 'cask/installer.rb', line 79

def skip_cask_deps? = @skip_cask_deps

#stage ⇒ 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 'cask/installer.rb', line 121

def stage
  odebug "Cask::Installer#stage"

  Caskroom.ensure_caskroom_exists

  extract_primary_container
  save_caskfile
rescue => e
  purge_versioned_files
  raise e
end

#start_upgrade(successor:) ⇒ 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) 


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# File 'cask/installer.rb', line 511

def start_upgrade(successor:)
  uninstall_artifacts(successor:)
  backup
end

#summary ⇒ 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 'cask/installer.rb', line 225

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) 


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# File 'cask/installer.rb', line 481

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) ⇒ 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) 


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# File 'cask/installer.rb', line 547

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

  artifacts.each do |artifact|
    if artifact.respond_to?(:uninstall_phase)
      odebug "Uninstalling artifact of class #{artifact.class}"
      artifact.uninstall_phase(
        command:   @command,
        verbose:   verbose?,
        skip:      clear,
        force:     force?,
        successor:,
        upgrade:   upgrade?,
        reinstall: reinstall?,
      )
    end

    next unless artifact.respond_to?(:post_uninstall_phase)

    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_cask ⇒ 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 'cask/installer.rb', line 216

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) 


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# File 'cask/installer.rb', line 82

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) 


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# File 'cask/installer.rb', line 85

def verbose? = @verbose

#verify_has_sha ⇒ 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.

Raises:



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# File 'cask/installer.rb', line 245

def verify_has_sha
  odebug "Checking cask has checksum"
  return if @cask.sha256 != :no_check

  raise CaskError, <<~EOS
    Cask '#{@cask}' does not have a sha256 checksum defined and was not installed.
    This means you have the #{Formatter.identifier("--require-sha")} option set, perhaps in your HOMEBREW_CASK_OPTS.
  EOS
end

#zap ⇒ 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 'cask/installer.rb', line 578

def zap
  load_installed_caskfile!
  ohai "Implied `brew uninstall --cask #{@cask}`"
  uninstall_artifacts
  if (zap_stanzas = @cask.artifacts.select { |a| a.is_a?(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) 


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# File 'cask/installer.rb', line 88

def zap? = @zap