Class: Homebrew::DevCmd::GenerateZap Private

Inherits:
AbstractCommand show all
Includes:
SystemCommand::Mixin
Defined in:
dev-cmd/generate-zap.rb,
sorbet/rbi/dsl/homebrew/dev_cmd/generate_zap.rbi

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.

Defined Under Namespace

Classes: Args

Constant Summary collapse

USER_TRASH_PATHS =

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. 

[
  "Desktop",
  "Documents",
  "Library",
  "Library/Application Scripts",
  "Library/Application Support",
  "Library/Application Support/CrashReporter",
  "Library/Application Support/com.apple.sharedfilelist/" \
  "com.apple.LSSharedFileList.ApplicationRecentDocuments",
  "Library/Caches",
  "Library/Caches/com.apple.helpd/Generated",
  "Library/Caches/com.apple.helpd/SDMHelpData/Other/English/HelpSDMIndexFile",
  "Library/Containers",
  "Library/Cookies",
  "Library/Group Containers",
  "Library/HTTPStorages",
  "Library/Internet Plug-Ins",
  "Library/LaunchAgents",
  "Library/Logs",
  "Library/Logs/DiagnosticReports",
  "Library/PreferencePanes",
  "Library/Preferences",
  "Library/Preferences/ByHost",
  "Library/Saved Application State",
  "Library/WebKit",
  "Music",
].freeze
SYSTEM_DELETE_PATHS =

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. 

[
  "/Library/Application Support",
  "/Library/Caches",
  "/Library/Frameworks",
  "/Library/LaunchAgents",
  "/Library/LaunchDaemons",
  "/Library/Logs",
  "/Library/PreferencePanes",
  "/Library/Preferences",
  "/Library/PrivilegedHelperTools",
  "/Library/Screen Savers",
  "/Library/ScriptingAdditions",
  "/Library/Services",
  "/Users/Shared",
  "/etc/newsyslog.d",
].freeze
RMDIR_EXCLUSIONS =

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. 

[
  "Library/Application Support/CrashReporter",
  "Library/Application Support/com.apple.sharedfilelist/" \
  "com.apple.LSSharedFileList.ApplicationRecentDocuments",
  "/Library/Application Support",
  "/Library/Caches",
  "/Library/Preferences",
].freeze
UUID_PATTERN =

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. 

/[0-9A-F]{8}(?:-[0-9A-F]{4}){3}-[0-9A-F]{12}/i
SHARED_FILELIST_PATTERN =

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.

Keep in sync with RuboCop::Cop::Cask::SharedFilelistGlob.

/\.sfl\d\z/

Instance Method Summary collapse

Methods included from SystemCommand::Mixin

#command_sandbox, #system_command, #system_command!

Methods inherited from AbstractCommand

command, command_name, dev_cmd?, #initialize, parser, ruby_cmd?

Methods included from Utils::Output::Mixin

#issue_reporting_message, #odebug, #odeprecated, #odie, #odisabled, #ofail, #oh1, #oh1_title, #ohai, #ohai_title, #onoe, #opoo, #opoo_once, #opoo_outside_github_actions, #opoo_without_github_actions_annotation, #pretty_cannot_install, #pretty_deprecated, #pretty_disabled, #pretty_duration, #pretty_install_status, #pretty_installed, #pretty_uninstalled, #pretty_unmarked, #pretty_upgradable, #pretty_warning

Constructor Details

This class inherits a constructor from Homebrew::AbstractCommand

Instance Method Details

#args ⇒ Homebrew::DevCmd::GenerateZap::Args

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 'sorbet/rbi/dsl/homebrew/dev_cmd/generate_zap.rbi', line 10

def args; end

#collapse_to_wildcards(paths) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 249

def collapse_to_wildcards(paths)
  grouped = paths.group_by { |p| File.dirname(p) }

  result = []
  grouped.each_value do |entries|
    if entries.size == 1
      result << entries.first
      next
    end

    basenames = entries.map { |e| File.basename(e) }
    wildcarded = find_wildcard_groups(basenames)

    dir = File.dirname(entries.fetch(0))
    wildcarded.each do |name|
      result << File.join(dir, name)
    end
  end

  result.uniq.sort
end

#derive_rmdir_candidates(paths) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 282

def derive_rmdir_candidates(paths)
  home = Dir.home
  candidates = []

  paths.each do |path|
    expanded = path.start_with?("~") ? File.join(home, path[2..]) : path
    parent = File.dirname(expanded)

    next unless parent.match?(%r{/(Application Support|Containers|Group Containers)/})

    normalized = normalize_path(parent)

    next if RMDIR_EXCLUSIONS.any? { |excl| normalized == "~/#{excl}" || normalized == excl }

    candidates << normalized unless paths.include?(normalized)
  end

  candidates.uniq.sort
end

#each_readable_child(dir, &block) ⇒ 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 'dev-cmd/generate-zap.rb', line 241

def each_readable_child(dir, &block)
  Dir.each_child(dir, &block)
rescue Errno::EPERM, Errno::EACCES
  # Skip directories we lack permission to read, e.g. macOS-protected paths.
  nil
end

#format_stanza(trash:, delete:, rmdir:) ⇒ 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 'dev-cmd/generate-zap.rb', line 315

def format_stanza(trash:, delete:, rmdir:)
  directives = []
  directives << format_directive("trash", trash) unless trash.empty?
  directives << format_directive("delete", delete) unless delete.empty?
  directives << format_directive("rmdir", rmdir) unless rmdir.empty?

  directives.join(",\n")
            .prepend("zap ")
end

#glob_shared_filelists(paths) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 277

def glob_shared_filelists(paths)
  paths.map { |p| p.sub(SHARED_FILELIST_PATTERN, ".sfl*") }.uniq.sort
end

#normalize_path(path) ⇒ 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 'dev-cmd/generate-zap.rb', line 303

def normalize_path(path)
  home = Dir.home
  path.start_with?(home) ? path.sub(home, "~") : path
end

#patterns_from_app_paths(app_paths) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 181

def patterns_from_app_paths(app_paths)
  app_paths.flat_map do |app_path|
    patterns = [app_path.basename(".app").to_s]
    info_plist = app_path/"Contents/Info.plist"
    next patterns if !info_plist.exist? || !info_plist.readable?

    plist = system_command!("plutil", args: ["-convert", "xml1", "-o", "-", info_plist]).plist
    bundle_identifier = plist["CFBundleIdentifier"]
    patterns << bundle_identifier if bundle_identifier.is_a?(String)
    patterns
  end.uniq
end

#replace_uuids(paths) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 272

def replace_uuids(paths)
  paths.map { |p| p.gsub(UUID_PATTERN, "*") }.uniq.sort
end

#resolve_patterns_from_cask(cask) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 139

def resolve_patterns_from_cask(cask)
  app_artifact = cask.artifacts.find { |a| a.is_a?(Cask::Artifact::App) }
  if app_artifact
    return patterns_from_app_paths([app_artifact.target])
  end

  token_pattern = cask.token.tr("-", " ").split.map(&:capitalize).join(" ")
  pkgutil_receipt_patterns = T.let([], T::Array[String])
  cask.artifacts.each do |artifact|
    next unless artifact.is_a?(Cask::Artifact::AbstractUninstall)

    pkgutil = artifact.directives[:pkgutil]
    if pkgutil.is_a?(String)
      pkgutil_receipt_patterns << pkgutil
    elsif pkgutil.is_a?(Array)
      pkgutil.each { |pattern| pkgutil_receipt_patterns << pattern if pattern.is_a?(String) }
    end
  end

  pkg_app_paths = pkgutil_receipt_patterns.uniq.flat_map do |receipt_pattern|
    Cask::Pkg.all_matching(receipt_pattern, SystemCommand).flat_map do |pkg|
      pkg.pkgutil_bom_all.filter_map do |path|
        match = path.to_s.match(%r{\A(?<app_path>.*?\.app)(?:/|\z)}i)
        next if match.nil?

        Pathname.new(match[:app_path])
      end
    end
  end.uniq.select(&:directory?)

  unless pkg_app_paths.empty?
    ohai "No app artifact found in cask \"#{cask.token}\"; using installed package receipts."
    patterns = patterns_from_app_paths(pkg_app_paths)
    patterns << token_pattern unless patterns.any? { |pattern| pattern.casecmp?(token_pattern) }
    return patterns
  end

  ohai "No app artifact or installed package app found in cask \"#{cask.token}\"; using token as app name."
  [token_pattern]
end

#run ⇒ 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 'dev-cmd/generate-zap.rb', line 98

def run
  patterns = if args.name?
    patterns_from_app_paths([Pathname.new("/Applications/#{args.named.fetch(0)}.app")])
  else
    resolve_patterns_from_cask(args.named.to_casks.fetch(0))
  end

  ohai "Scanning for files matching #{format_patterns(patterns)}..."

  begin
    trash_paths = scan_directories(USER_TRASH_PATHS, home_relative: true, patterns:) + scan_home_root(patterns)
    delete_paths = scan_directories(SYSTEM_DELETE_PATHS, home_relative: false, patterns:)
  rescue Errno::EACCES, Errno::EPERM => e
    message = "Unable to generate a complete zap stanza: #{e.message}"

    unless Cask::Utils.full_disk_access_enabled?
      message += " Please enable Full Disk Access for your terminal under " \
                 "#{Cask::Utils.privacy_security_preference_pane("Full Disk Access")}."
    end

    odie message
  end

  trash_paths  = glob_shared_filelists(replace_uuids(collapse_to_wildcards(trash_paths)))
  delete_paths = glob_shared_filelists(replace_uuids(collapse_to_wildcards(delete_paths)))

  rmdir_paths = derive_rmdir_candidates(trash_paths + delete_paths)

  if trash_paths.empty? && delete_paths.empty?
    opoo <<~EOS
      No files found matching #{format_patterns(patterns)}.
      Only use `zap :not_required` if the app has been launched at least once.
    EOS
    puts "zap :not_required"
    return
  end

  puts format_stanza(trash: trash_paths, delete: delete_paths, rmdir: rmdir_paths)
end

#scan_directories(directories, home_relative:, patterns:) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 201

def scan_directories(directories, home_relative:, patterns:)
  home = Dir.home
  downcased_patterns = patterns.map(&:downcase)
  matches = []

  directories.each do |dir|
    full_dir = home_relative ? File.join(home, dir) : dir
    next unless File.directory?(full_dir)

    each_readable_child(full_dir) do |entry|
      downcased_entry = entry.downcase
      next unless downcased_patterns.any? { |pattern| downcased_entry.include?(pattern) }

      full_path = File.join(full_dir, entry)
      matches << normalize_path(full_path)
    end
  end

  matches.uniq.sort
end

#scan_home_root(patterns) ⇒ Array<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 'dev-cmd/generate-zap.rb', line 223

def scan_home_root(patterns)
  home = Dir.home
  downcased_patterns = patterns.map(&:downcase)
  matches = []

  each_readable_child(home) do |entry|
    next unless entry.start_with?(".")

    downcased_entry = entry.downcase
    next unless downcased_patterns.any? { |pattern| downcased_entry.include?(pattern) }

    matches << normalize_path(File.join(home, entry))
  end

  matches.sort
end