Class: Homebrew::Cleanup Private

Inherits:
Object show all
Extended by:
Predicable
Defined in:
cleanup.rb,
extend/os/mac/cleanup.rb,
extend/os/linux/cleanup.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.

Helper class for cleaning up the Homebrew cache.

Constant Summary collapse

PERIODIC_CLEAN_FILE =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

(HOMEBREW_CACHE/".cleaned").freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Predicable

attr_predicate

Constructor Details

#initialize(*args, dry_run: false, scrub: false, days: nil, cache: HOMEBREW_CACHE) ⇒ Cleanup

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 a new instance of Cleanup.



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# File 'cleanup.rb', line 186

def initialize(*args, dry_run: false, scrub: false, days: nil, cache: HOMEBREW_CACHE)
  @disk_cleanup_size = 0
  @args = args
  @dry_run = dry_run
  @scrub = scrub
  @prune = days.present?
  @days = days || Homebrew::EnvConfig.cleanup_max_age_days.to_i
  @cache = cache
  @cleaned_up_paths = Set.new
end

Instance Attribute Details

#args ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'cleanup.rb', line 184

def args
  @args
end

#cache ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'cleanup.rb', line 184

def cache
  @cache
end

#days ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'cleanup.rb', line 184

def days
  @days
end

#disk_cleanup_size ⇒ Object (readonly)

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'cleanup.rb', line 184

def disk_cleanup_size
  @disk_cleanup_size
end

Class Method Details

.autoremove(dry_run: false) ⇒ 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 'cleanup.rb', line 642

def self.autoremove(dry_run: false)
  require "utils/autoremove"
  require "cask/caskroom"

  # If this runs after install, uninstall, reinstall or upgrade,
  # the cache of installed formulae may no longer be valid.
  Formula.clear_cache unless dry_run

  formulae = Formula.installed
  # Remove formulae listed in HOMEBREW_NO_CLEANUP_FORMULAE and their dependencies.
  if Homebrew::EnvConfig.no_cleanup_formulae.present?
    formulae -= formulae.select(&method(:skip_clean_formula?))
                        .flat_map { |f| [f, *f.runtime_formula_dependencies] }
  end
  casks = Cask::Caskroom.casks

  removable_formulae = Utils::Autoremove.removable_formulae(formulae, casks)

  return if removable_formulae.blank?

  formulae_names = removable_formulae.map(&:full_name).sort

  verb = dry_run ? "Would autoremove" : "Autoremoving"
  oh1 "#{verb} #{formulae_names.count} unneeded #{Utils.pluralize("formula", formulae_names.count, plural: "e")}:"
  puts formulae_names.join("\n")
  return if dry_run

  require "uninstall"

  kegs_by_rack = removable_formulae.map(&:any_installed_keg).group_by(&:rack)
  Uninstall.uninstall_kegs(kegs_by_rack)

  # The installed formula cache will be invalid after uninstalling.
  Formula.clear_cache
end

.go_cache_directory?(pathname) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'cleanup.rb', line 39

def go_cache_directory?(pathname)
  # Go makes its cache contents read-only to ensure cache integrity,
  # which makes sense but is something we need to undo for cleanup.
  pathname.directory? && %w[go_cache go_mod_cache].include?(pathname.basename.to_s)
end

.incomplete?(pathname) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'cleanup.rb', line 20

def incomplete?(pathname)
  pathname.extname.end_with?(".incomplete")
end

.install_formula_clean!(formula, dry_run: false) ⇒ 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 'cleanup.rb', line 197

def self.install_formula_clean!(formula, dry_run: false)
  return if Homebrew::EnvConfig.no_install_cleanup?
  return unless formula.latest_version_installed?
  return if skip_clean_formula?(formula)

  if dry_run
    ohai "Would run `brew cleanup #{formula}`"
  else
    ohai "Running `brew cleanup #{formula}`..."
  end

  puts_no_install_cleanup_disable_message_if_not_already!
  return if dry_run

  Cleanup.new.cleanup_formula(formula)
end

.nested_cache?(pathname) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:

  • (Boolean) 


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# File 'cleanup.rb', line 25

def nested_cache?(pathname)
  pathname.directory? && %w[
    cargo_cache
    go_cache
    go_mod_cache
    glide_home
    java_cache
    npm_cache
    pip_cache
    gclient_cache
  ].include?(pathname.basename.to_s)
end

.periodic_clean!(dry_run: false) ⇒ 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 'cleanup.rb', line 249

def self.periodic_clean!(dry_run: false)
  return if Homebrew::EnvConfig.no_install_cleanup?
  return unless periodic_clean_due?

  if dry_run
    oh1 "Would run `brew cleanup` which has not been run in the last #{CLEANUP_DEFAULT_DAYS} days"
  else
    oh1 "`brew cleanup` has not been run in the last #{CLEANUP_DEFAULT_DAYS} days, running now..."
  end

  puts_no_install_cleanup_disable_message
  return if dry_run

  Cleanup.new.clean!(quiet: true, periodic: true)
end

.periodic_clean_due? ⇒ 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 'cleanup.rb', line 237

def self.periodic_clean_due?
  return false if Homebrew::EnvConfig.no_install_cleanup?

  unless PERIODIC_CLEAN_FILE.exist?
    HOMEBREW_CACHE.mkpath
    FileUtils.touch PERIODIC_CLEAN_FILE
    return false
  end

  PERIODIC_CLEAN_FILE.mtime < (DateTime.now - CLEANUP_DEFAULT_DAYS).to_time
end

.prune?(pathname, days) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • pathname (Pathname)
  • days (Integer, nil)

Returns:

  • (Boolean) 


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# File 'cleanup.rb', line 46

def prune?(pathname, days)
  return false unless days
  return true if days.zero?
  return true if pathname.symlink? && !pathname.exist?

  days_ago = (DateTime.now - days).to_time
  pathname.mtime < days_ago && pathname.ctime < days_ago
end

.puts_no_install_cleanup_disable_message ⇒ 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 'cleanup.rb', line 214

def self.puts_no_install_cleanup_disable_message
  return if Homebrew::EnvConfig.no_env_hints?
  return if Homebrew::EnvConfig.no_install_cleanup?

  puts "Disable this behaviour by setting HOMEBREW_NO_INSTALL_CLEANUP."
  puts "Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`)."
end

.puts_no_install_cleanup_disable_message_if_not_already! ⇒ 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 'cleanup.rb', line 222

def self.puts_no_install_cleanup_disable_message_if_not_already!
  return if @puts_no_install_cleanup_disable_message_if_not_already

  puts_no_install_cleanup_disable_message
  @puts_no_install_cleanup_disable_message_if_not_already = true
end

.skip_clean_formula?(formula) ⇒ 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 'cleanup.rb', line 229

def self.skip_clean_formula?(formula)
  no_cleanup_formula = Homebrew::EnvConfig.no_cleanup_formulae
  return false if no_cleanup_formula.blank?

  @skip_clean_formulae ||= no_cleanup_formula.split(",")
  @skip_clean_formulae.include?(formula.name) || (@skip_clean_formulae & formula.aliases).present?
end

.stale?(entry, scrub: false) ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • entry (Hash)
  • scrub (Boolean) (defaults to: false)

Returns:

  • (Boolean) 


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# File 'cleanup.rb', line 56

def stale?(entry, scrub: false)
  pathname = entry[:path]
  return false unless pathname.resolved_path.file?

  case entry[:type]
  when :api_source
    stale_api_source?(pathname, scrub)
  when :cask
    stale_cask?(pathname, scrub)
  when :gh_actions_artifact
    stale_gh_actions_artifact?(pathname, scrub)
  else
    stale_formula?(pathname, scrub)
  end
end

Instance Method Details

#cache_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 'cleanup.rb', line 359

def cache_files
  files = cache.directory? ? cache.children : []
  cask_files = (cache/"Cask").directory? ? (cache/"Cask").children : []
  api_source_files = (cache/"api-source").glob("*/*/*/*/*") # org/repo/git_head/type/file.rb
  gh_actions_artifacts = (cache/"gh-actions-artifact").directory? ? (cache/"gh-actions-artifact").children : []

  files.map { |path| { path: path, type: nil } } +
    cask_files.map { |path| { path: path, type: :cask } } +
    api_source_files.map { |path| { path: path, type: :api_source } } +
    gh_actions_artifacts.map { |path| { path: path, type: :gh_actions_artifact } }
end

#clean!(quiet: false, periodic: false) ⇒ 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 'cleanup.rb', line 265

def clean!(quiet: false, periodic: false)
  if args.empty?
    Formula.installed
           .sort_by(&:name)
           .reject { |f| Cleanup.skip_clean_formula?(f) }
           .each do |formula|
      cleanup_formula(formula, quiet: quiet, ds_store: false, cache_db: false)
    end

    Cleanup.autoremove(dry_run: dry_run?) if Homebrew::EnvConfig.autoremove?

    cleanup_cache
    cleanup_empty_api_source_directories
    cleanup_logs
    cleanup_lockfiles
    cleanup_python_site_packages
    prune_prefix_symlinks_and_directories

    unless dry_run?
      cleanup_cache_db
      rm_ds_store
      HOMEBREW_CACHE.mkpath
      FileUtils.touch PERIODIC_CLEAN_FILE
    end

    # Cleaning up Ruby needs to be done last to avoid requiring additional
    # files afterwards. Additionally, don't allow it on periodic cleans to
    # avoid having to try to do a `brew install` when we've just deleted
    # the running Ruby process...
    return if periodic

    cleanup_portable_ruby
    cleanup_bootsnap
  else
    args.each do |arg|
      formula = begin
        Formulary.resolve(arg)
      rescue FormulaUnavailableError, TapFormulaAmbiguityError, TapFormulaWithOldnameAmbiguityError
        nil
      end

      cask = begin
        Cask::CaskLoader.load(arg)
      rescue Cask::CaskError
        nil
      end

      if formula && Cleanup.skip_clean_formula?(formula)
        onoe "Refusing to clean #{formula} because it is listed in " \
             "#{Tty.bold}HOMEBREW_NO_CLEANUP_FORMULAE#{Tty.reset}!"
      elsif formula
        cleanup_formula(formula)
      end
      cleanup_cask(cask) if cask
    end
  end
end

#cleanup_bootsnap ⇒ 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 'cleanup.rb', line 509

def cleanup_bootsnap
  bootsnap = cache/"bootsnap"
  return unless bootsnap.exist?

  cleanup_path(bootsnap) { bootsnap.rmtree }
end

#cleanup_cache(entries = nil) ⇒ 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 'cleanup.rb', line 409

def cleanup_cache(entries = nil)
  entries ||= cache_files

  entries.each do |entry|
    path = entry[:path]
    next if path == PERIODIC_CLEAN_FILE

    FileUtils.chmod_R 0755, path if self.class.go_cache_directory?(path) && !dry_run?
    next cleanup_path(path) { path.unlink } if self.class.incomplete?(path)
    next cleanup_path(path) { FileUtils.rm_rf path } if self.class.nested_cache?(path)

    if self.class.prune?(path, days)
      if path.file? || path.symlink?
        cleanup_path(path) { path.unlink }
      elsif path.directory? && path.to_s.include?("--")
        cleanup_path(path) { FileUtils.rm_rf path }
      end
      next
    end

    # If we've specified --prune don't do the (expensive) .stale? check.
    cleanup_path(path) { path.unlink } if !prune? && self.class.stale?(entry, scrub: scrub?)
  end

  cleanup_unreferenced_downloads
end

#cleanup_cache_db(rack = nil) ⇒ 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 'cleanup.rb', line 516

def cleanup_cache_db(rack = nil)
  FileUtils.rm_rf [
    cache/"desc_cache.json",
    cache/"linkage.db",
    cache/"linkage.db.db",
  ]

  CacheStoreDatabase.use(:linkage) do |db|
    break unless db.created?

    db.each_key do |keg|
      next if rack.present? && !keg.start_with?("#{rack}/")
      next if File.directory?(keg)

      LinkageCacheStore.new(keg, db).delete!
    end
  end
end

#cleanup_cask(cask, ds_store: true) ⇒ 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 'cleanup.rb', line 336

def cleanup_cask(cask, ds_store: true)
  cleanup_cache(Pathname.glob(cache/"Cask/#{cask.token}--*").map { |path| { path: path, type: :cask } })
  rm_ds_store([cask.caskroom_path]) if ds_store
  cleanup_lockfiles(CaskLock.new(cask.token).path)
end

#cleanup_empty_api_source_directories(directory = cache/"api-source") ⇒ 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 'cleanup.rb', line 371

def cleanup_empty_api_source_directories(directory = cache/"api-source")
  return if dry_run?
  return unless directory.directory?

  directory.each_child do |child|
    next unless child.directory?

    cleanup_empty_api_source_directories(child)
    child.rmdir if child.empty?
  end
end

#cleanup_formula(formula, quiet: false, ds_store: true, cache_db: true) ⇒ 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 'cleanup.rb', line 327

def cleanup_formula(formula, quiet: false, ds_store: true, cache_db: true)
  formula.eligible_kegs_for_cleanup(quiet: quiet)
         .each(&method(:cleanup_keg))
  cleanup_cache(Pathname.glob(cache/"#{formula.name}--*").map { |path| { path: path, type: nil } })
  rm_ds_store([formula.rack]) if ds_store
  cleanup_cache_db(formula.rack) if cache_db
  cleanup_lockfiles(FormulaLock.new(formula.name).path)
end

#cleanup_keg(keg) ⇒ 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 'cleanup.rb', line 342

def cleanup_keg(keg)
  cleanup_path(keg) { keg.uninstall(raise_failures: true) }
rescue Errno::EACCES, Errno::ENOTEMPTY => e
  opoo e.message
  unremovable_kegs << keg
end

#cleanup_lockfiles(*lockfiles) ⇒ 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 'cleanup.rb', line 450

def cleanup_lockfiles(*lockfiles)
  return if dry_run?

  lockfiles = HOMEBREW_LOCKS.children.select(&:file?) if lockfiles.empty? && HOMEBREW_LOCKS.directory?

  lockfiles.each do |file|
    next unless file.readable?
    next unless file.open(File::RDWR).flock(File::LOCK_EX | File::LOCK_NB)

    begin
      file.unlink
    ensure
      file.open(File::RDWR).flock(File::LOCK_UN) if file.exist?
    end
  end
end

#cleanup_logs ⇒ 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 'cleanup.rb', line 349

def cleanup_logs
  return unless HOMEBREW_LOGS.directory?

  logs_days = [days, CLEANUP_DEFAULT_DAYS].min

  HOMEBREW_LOGS.subdirs.each do |dir|
    cleanup_path(dir) { dir.rmtree } if self.class.prune?(dir, logs_days)
  end
end

#cleanup_path(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 'cleanup.rb', line 436

def cleanup_path(path)
  return unless path.exist?
  return unless @cleaned_up_paths.add?(path)

  @disk_cleanup_size += path.disk_usage

  if dry_run?
    puts "Would remove: #{path} (#{path.abv})"
  else
    puts "Removing: #{path}... (#{path.abv})"
    yield
  end
end

#cleanup_portable_ruby ⇒ 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 'cleanup.rb', line 467

def cleanup_portable_ruby
  vendor_dir = HOMEBREW_LIBRARY/"Homebrew/vendor"
  portable_ruby_latest_version = (vendor_dir/"portable-ruby-version").read.chomp

  portable_rubies_to_remove = []
  Pathname.glob(vendor_dir/"portable-ruby/*.*").select(&:directory?).each do |path|
    next if !use_system_ruby? && portable_ruby_latest_version == path.basename.to_s

    portable_rubies_to_remove << path
  end

  return if portable_rubies_to_remove.empty?

  bundler_paths = (vendor_dir/"bundle/ruby").children.select do |child|
    basename = child.basename.to_s

    next false if basename == ".homebrew_gem_groups"
    next true unless child.directory?

    [
      "#{Version.new(portable_ruby_latest_version).major_minor}.0",
      RbConfig::CONFIG["ruby_version"],
    ].uniq.exclude?(basename)
  end

  bundler_paths.each do |bundler_path|
    if dry_run?
      puts Utils.popen_read("git", "-C", HOMEBREW_REPOSITORY, "clean", "-nx", bundler_path).chomp
    else
      puts Utils.popen_read("git", "-C", HOMEBREW_REPOSITORY, "clean", "-ffqx", bundler_path).chomp
    end
  end

  portable_rubies_to_remove.each do |portable_ruby|
    cleanup_path(portable_ruby) { portable_ruby.rmtree }
  end
end

#cleanup_python_site_packages ⇒ 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 'cleanup.rb', line 549

def cleanup_python_site_packages
  pyc_files = Hash.new { |h, k| h[k] = [] }
  seen_non_pyc_file = Hash.new { |h, k| h[k] = false }
  unused_pyc_files = []

  HOMEBREW_PREFIX.glob("lib/python*/site-packages").each do |site_packages|
    site_packages.each_child do |child|
      next unless child.directory?
      # TODO: Work out a sensible way to clean up pip's, setuptools', and wheel's
      #       {dist,site}-info directories. Alternatively, consider always removing
      #       all `-info` directories, because we may not be making use of them.
      next if child.basename.to_s.end_with?("-info")

      # Clean up old *.pyc files in the top-level __pycache__.
      if child.basename.to_s == "__pycache__"
        child.find do |path|
          next if path.extname != ".pyc"
          next unless self.class.prune?(path, days)

          unused_pyc_files << path
        end

        next
      end

      # Look for directories that contain only *.pyc files.
      child.find do |path|
        next if path.directory?

        if path.extname == ".pyc"
          pyc_files[child] << path
        else
          seen_non_pyc_file[child] = true
          break
        end
      end
    end
  end

  unused_pyc_files += pyc_files.reject { |k,| seen_non_pyc_file[k] }
                               .values
                               .flatten
  return if unused_pyc_files.blank?

  unused_pyc_files.each do |pyc|
    cleanup_path(pyc) { pyc.unlink }
  end
end

#cleanup_unreferenced_downloads ⇒ 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 'cleanup.rb', line 383

def cleanup_unreferenced_downloads
  return if dry_run?
  return unless (cache/"downloads").directory?

  downloads = (cache/"downloads").children

  referenced_downloads = cache_files.map { |file| file[:path] }.select(&:symlink?).map(&:resolved_path)

  (downloads - referenced_downloads).each do |download|
    if self.class.incomplete?(download)
      begin
        LockFile.new(download.basename).with_lock do
          download.unlink
        end
      rescue OperationInProgressError
        # Skip incomplete downloads which are still in progress.
        next
      end
    elsif download.directory?
      FileUtils.rm_rf download
    else
      download.unlink
    end
  end
end

#prune_prefix_symlinks_and_directories ⇒ 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 'cleanup.rb', line 598

def prune_prefix_symlinks_and_directories
  ObserverPathnameExtension.reset_counts!

  dirs = []

  Keg::MUST_EXIST_SUBDIRECTORIES.each do |dir|
    next unless dir.directory?

    dir.find do |path|
      path.extend(ObserverPathnameExtension)
      if path.symlink?
        unless path.resolved_path_exists?
          path.uninstall_info if path.to_s.match?(Keg::INFOFILE_RX) && !dry_run?

          if dry_run?
            puts "Would remove (broken link): #{path}"
          else
            path.unlink
          end
        end
      elsif path.directory? && Keg::MUST_EXIST_SUBDIRECTORIES.exclude?(path)
        dirs << path
      end
    end
  end

  dirs.reverse_each do |d|
    if dry_run? && d.children.empty?
      puts "Would remove (empty directory): #{d}"
    else
      d.rmdir_if_possible
    end
  end

  return if dry_run?

  return if ObserverPathnameExtension.total.zero?

  n, d = ObserverPathnameExtension.counts
  print "Pruned #{n} symbolic links "
  print "and #{d} directories " if d.positive?
  puts "from #{HOMEBREW_PREFIX}"
end

#rm_ds_store(dirs = nil) ⇒ 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 'cleanup.rb', line 535

def rm_ds_store(dirs = nil)
  dirs ||= Keg::MUST_EXIST_DIRECTORIES + [
    HOMEBREW_PREFIX/"Caskroom",
  ]
  dirs.select(&:directory?)
      .flat_map { |d| Pathname.glob("#{d}/**/.DS_Store") }
      .each do |dir|
        dir.unlink
      rescue Errno::EACCES
        # don't care if we can't delete a .DS_Store
        nil
      end
end

#unremovable_kegs ⇒ 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 'cleanup.rb', line 323

def unremovable_kegs
  @unremovable_kegs ||= []
end

#use_system_ruby? ⇒ 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 'extend/os/mac/cleanup.rb', line 8

def use_system_ruby?
  return false if Homebrew::EnvConfig.force_vendor_ruby?

  ENV["HOMEBREW_MACOS_SYSTEM_RUBY_NEW_ENOUGH"].present?
end