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_outdated, 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) 


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# File 'cask/installer.rb', line 34

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:



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# File 'cask/installer.rb', line 23

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:



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# File 'cask/installer.rb', line 100

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 64

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 266

def artifacts
  @cask.artifacts
end

#backup ⇒ 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 601

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

  bmp = backup_metadata_path
  raise "unexpected nil backup_metadata_path" unless bmp

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

#backup_metadata_path ⇒ 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.

Returns:



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# File 'cask/installer.rb', line 722

def backup_metadata_path
  return if @cask.metadata_versioned_path.nil?

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

#backup_path ⇒ 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.

Returns:



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# File 'cask/installer.rb', line 715

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 67

def binaries? = @binaries

#cask_and_formula_dependencies ⇒ Array<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:

Raises:



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# File 'cask/installer.rb', line 413

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

#caveats ⇒ 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 507

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 396

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 #{@cask} depends on hardware architecture being one of " \
        "[#{@cask.depends_on.arch.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 206

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 189

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 ⇒ 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 387

def check_macos_requirements
  macos_requirements = [@cask.depends_on.macos, @cask.depends_on.maximum_macos].compact
  return if macos_requirements.empty?
  return if macos_requirements.all?(&:satisfied?)

  raise CaskError, macos_requirements.find { |requirement| !requirement.satisfied? }&.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 373

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.

Raises:



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# File 'cask/installer.rb', line 380

def check_stanza_os_requirements
  return if @cask.supports_macos?

  raise CaskError, "Linux is required for this software."
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 248

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 240

def downloader
  @downloader ||= T.let(
    Download.new(@cask, quarantine: quarantine?, require_sha: require_sha? && !force?),
    T.nilable(Download),
  )
end

#enqueue_downloads ⇒ 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 951

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) 


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# File 'cask/installer.rb', line 271

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) 


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# File 'cask/installer.rb', line 115

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

  prelude

  download(quiet:, timeout:) unless @defer_fetch

  satisfy_cask_and_formula_dependencies
end

#finalize_upgrade ⇒ 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 637

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) 


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# File 'cask/installer.rb', line 824

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_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.



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# File 'cask/installer.rb', line 882

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) 


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# File 'cask/installer.rb', line 782

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) 


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

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:



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# File 'cask/installer.rb', line 729

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 140

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.metadata_versioned_path.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) 


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# File 'cask/installer.rb', line 315

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) 


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

def installed_on_request? = @installed_on_request

#metadata_subdir ⇒ 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.

Returns:



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# File 'cask/installer.rb', line 512

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

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

#missing_cask_and_formula_dependencies ⇒ Array<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:



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# File 'cask/installer.rb', line 435

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

#prelude ⇒ 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 909

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:



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# File 'cask/installer.rb', line 927

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

  download_queue.enqueue(download)
end

#prelude_fetch_download ⇒ Homebrew::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.

Returns:



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# File 'cask/installer.rb', line 934

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_container ⇒ UnpackStrategy

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 255

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) 


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# File 'cask/installer.rb', line 302

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_files ⇒ 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 734

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

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

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

#purge_caskroom_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.



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# File 'cask/installer.rb', line 776

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

#purge_versioned_files ⇒ 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 749

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 76

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 79

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 82

def reinstall? = @reinstall

#remove_config_file ⇒ 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 583

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

#remove_download_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.



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# File 'cask/installer.rb', line 589

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

#remove_tabfile ⇒ 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 576

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 85

def require_sha? = @require_sha

#restore_backup ⇒ 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 613

def restore_backup
  bp = backup_path
  return unless bp

  bmp = backup_metadata_path
  return unless bmp

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

  bp.rename @cask.staged_path.to_s
  bmp.rename @cask.metadata_versioned_path.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) 


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# File 'cask/installer.rb', line 630

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

#satisfy_cask_and_formula_dependencies ⇒ 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 447

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_caskfile ⇒ 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 525

def save_caskfile
  old_savedir = @cask.metadata_timestamped_path

  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

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

#save_config_file ⇒ 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 550

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

#save_download_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.



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# File 'cask/installer.rb', line 555

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) 


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

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) 


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# File 'cask/installer.rb', line 922

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

#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 126

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) 


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# File 'cask/installer.rb', line 595

def start_upgrade(successor:, quit: true)
  uninstall_artifacts(successor:, quit:)
  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 232

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 562

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) 


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# File 'cask/installer.rb', line 646

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_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 223

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 91

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 94

def verbose? = @verbose

#zap ⇒ 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 699

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) 


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# File 'cask/installer.rb', line 97

def zap? = @zap