Class: Homebrew::Diagnostic::Checks Private

Inherits:
Object
  • Object
show all
Includes:
OS::Linux::Diagnostic::Checks, OS::Mac::Diagnostic::Checks, SystemCommand::Mixin
Defined in:
diagnostic.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.

Diagnostic checks.

HELPERS collapse

Instance Method Summary collapse

Methods included from SystemCommand::Mixin

#system_command, #system_command!

Methods included from OS::Linux::Diagnostic::Checks

#check_gcc_dependent_linkage, #check_glibc_minimum_version, #check_kernel_minimum_version, #check_linuxbrew_bottle_domain, #check_linuxbrew_core, #check_supported_architecture, #check_tmpdir_executable, #check_umask_not_zero

Methods included from OS::Mac::Diagnostic::Checks

#check_broken_sdks, #check_clt_minimum_version, #check_clt_up_to_date, #check_deprecated_caskroom_taps, #check_filesystem_case_sensitive, #check_for_gettext, #check_for_iconv, #check_for_multiple_volumes, #check_for_non_prefixed_findutils, #check_for_opencore, #check_for_unsupported_macos, #check_if_supported_sdk_available, #check_if_xcode_needs_clt_installed, #check_xcode_license_approved, #check_xcode_minimum_version, #check_xcode_prefix, #check_xcode_prefix_exists, #check_xcode_select_path, #check_xcode_up_to_date

Constructor Details

#initialize(verbose: true) ⇒ Checks

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 Checks.



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# File 'diagnostic.rb', line 52

def initialize(verbose: true)
  @verbose = verbose
end

Instance Method Details

#__check_linked_brew(formula) ⇒ 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 'diagnostic.rb', line 573

def __check_linked_brew(formula)
  formula.installed_prefixes.each do |prefix|
    prefix.find do |src|
      next if src == prefix

      dst = HOMEBREW_PREFIX + src.relative_path_from(prefix)
      return true if dst.symlink? && src == dst.resolved_path
    end
  end

  false
end

#__check_stray_files(dir, pattern, allow_list, 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 'diagnostic.rb', line 185

def __check_stray_files(dir, pattern, allow_list, message)
  return unless File.directory?(dir)

  files = Dir.chdir(dir) do
    (Dir.glob(pattern) - Dir.glob(allow_list))
      .select { |f| File.file?(f) && !File.symlink?(f) }
      .map { |f| File.join(dir, f) }
  end
  return if files.empty?

  inject_file_list(files.sort, message)
end

#add_info(*args) ⇒ 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 'diagnostic.rb', line 81

def add_info(*args)
  ohai(*args) if @verbose
end

#all ⇒ 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 'diagnostic.rb', line 1039

def all
  methods.map(&:to_s).grep(/^check_/).sort
end

#broken_tap(tap) ⇒ 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 'diagnostic.rb', line 155

def broken_tap(tap)
  return unless Utils::Git.available?

  repo = GitRepository.new(HOMEBREW_REPOSITORY)
  return unless repo.git_repository?

  message = <<~EOS
    #{tap.full_name} was not tapped properly! Run:
      rm -rf "#{tap.path}"
      brew tap #{tap.name}
  EOS

  return message if tap.remote.blank?

  tap_head = tap.git_head
  return message if tap_head.blank?
  return if tap_head != repo.head_ref

  message
end

#build_error_checks ⇒ 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 'diagnostic.rb', line 110

def build_error_checks
  supported_configuration_checks + build_from_source_checks
end

#build_from_source_checks ⇒ 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 'diagnostic.rb', line 106

def build_from_source_checks
  [].freeze
end

#cask_checks ⇒ 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 'diagnostic.rb', line 1043

def cask_checks
  all.grep(/^check_cask_/)
end

#check_access_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 'diagnostic.rb', line 360

def check_access_directories
  not_writable_dirs =
    Keg.must_be_writable_directories.select(&:exist?)
       .reject(&:writable?)
  return if not_writable_dirs.empty?

  <<~EOS
    The following directories are not writable by your user:
    #{not_writable_dirs.join("\n")}

    You should change the ownership of these directories to your user.
      sudo chown -R #{current_user} #{not_writable_dirs.join(" ")}

    And make sure that your user has write permission.
      chmod u+w #{not_writable_dirs.join(" ")}
  EOS
end

#check_brew_git_origin ⇒ 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 'diagnostic.rb', line 518

def check_brew_git_origin
  repo = GitRepository.new(HOMEBREW_REPOSITORY)
  examine_git_origin(repo, Homebrew::EnvConfig.brew_git_remote)
end

#check_cask_deprecated_disabled ⇒ 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 'diagnostic.rb', line 646

def check_cask_deprecated_disabled
  deprecated_or_disabled = Cask::Caskroom.casks.select(&:deprecated?)
  deprecated_or_disabled += Cask::Caskroom.casks.select(&:disabled?)
  return if deprecated_or_disabled.empty?

  <<~EOS
    Some installed casks are deprecated or disabled.
    You should find replacements for the following casks:
      #{deprecated_or_disabled.sort_by(&:token).uniq * "\n  "}
  EOS
end

#check_cask_environment_variables ⇒ 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 'diagnostic.rb', line 973

def check_cask_environment_variables
  environment_variables = %w[
    RUBYLIB
    RUBYOPT
    RUBYPATH
    RBENV_VERSION
    CHRUBY_VERSION
    GEM_HOME
    GEM_PATH
    BUNDLE_PATH
    PATH
    SHELL
    HOMEBREW_CASK_OPTS
  ]

  locale_variables = ENV.keys.grep(/^(?:LC_\S+|LANG|LANGUAGE)\Z/).sort

  add_info "Cask Environment Variables:", ((locale_variables + environment_variables).sort.each do |var|
    next unless ENV.key?(var)

    var = %Q(#{var}="#{ENV.fetch(var)}")
    user_tilde(var)
  end)
end

#check_cask_install_location ⇒ 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 'diagnostic.rb', line 917

def check_cask_install_location
  locations = Dir.glob(HOMEBREW_CELLAR.join("brew-cask", "*")).reverse
  return if locations.empty?

  locations.map do |l|
    "Legacy install at #{l}. Run `brew uninstall --force brew-cask`."
  end.join "\n"
end

#check_cask_load_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 'diagnostic.rb', line 965

def check_cask_load_path
  paths = $LOAD_PATH.map { user_tilde(_1) }

  add_info "$LOAD_PATHS", paths.presence || none_string

  "$LOAD_PATH is empty" if paths.blank?
end

#check_cask_quarantine_support ⇒ 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 'diagnostic.rb', line 1026

def check_cask_quarantine_support
  case Cask::Quarantine.check_quarantine_support
  when :quarantine_available
    nil
  when :xattr_broken
    "No Cask quarantine support available: there's no working version of `xattr` on this system."
  when :no_swift
    "No Cask quarantine support available: there's no available version of `swift` on this system."
  else
    "No Cask quarantine support available: unknown reason."
  end
end

#check_cask_software_versions ⇒ 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 'diagnostic.rb', line 895

def check_cask_software_versions
  add_info "Homebrew Version", HOMEBREW_VERSION
  add_info "macOS", MacOS.full_version
  add_info "SIP", begin
    csrutil = "/usr/bin/csrutil"
    if File.executable?(csrutil)
      Open3.capture2(csrutil, "status")
           .first
           .gsub("This is an unsupported configuration, likely to break in " \
                 "the future and leave your machine in an unknown state.", "")
           .gsub("System Integrity Protection status: ", "")
           .delete("\t.")
           .capitalize
           .strip
    else
      "N/A"
    end
  end

  nil
end

#check_cask_staging_location ⇒ 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 'diagnostic.rb', line 926

def check_cask_staging_location
  # Skip this check when running CI since the staging path is not writable for security reasons
  return if GitHub::Actions.env_set?

  path = Cask::Caskroom.path

  add_info "Homebrew Cask Staging Location", user_tilde(path.to_s)

  return if !path.exist? || path.writable?

  <<~EOS
    The staging path #{user_tilde(path.to_s)} is not writable by the current user.
    To fix, run:
      sudo chown -R #{current_user} #{user_tilde(path.to_s)}
  EOS
end

#check_cask_taps ⇒ 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 'diagnostic.rb', line 943

def check_cask_taps
  error_tap_paths = []

  taps = (Tap.to_a + [CoreCaskTap.instance]).uniq

  taps_info = taps.filter_map do |tap|
    cask_count = begin
      tap.cask_files.count
    rescue
      error_tap_paths << tap.path
      0
    end
    next if cask_count.zero?

    "#{tap.path} (#{Utils.pluralize("cask", cask_count, include_count: true)})"
  end
  add_info "Homebrew Cask Taps:", taps_info

  taps_string = Utils.pluralize("tap", error_tap_paths.count)
  "Unable to read from cask #{taps_string}: #{error_tap_paths.to_sentence}" if error_tap_paths.present?
end

#check_cask_xattr ⇒ 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 'diagnostic.rb', line 998

def check_cask_xattr
  result = system_command "/usr/bin/xattr", args: ["-h"]

  return if result.status.success?

  if result.stderr.include? "ImportError: No module named pkg_resources"
    result = Utils.popen_read "/usr/bin/python", "--version", err: :out

    if result.include? "Python 2.7"
      <<~EOS
        Your Python installation has a broken version of setuptools.
        To fix, reinstall macOS or run:
          sudo /usr/bin/python -m pip install -I setuptools
      EOS
    else
      <<~EOS
        The system Python version is wrong.
        To fix, run:
          defaults write com.apple.versioner.python Version 2.7
      EOS
    end
  elsif result.stderr.include? "pkg_resources.DistributionNotFound"
    "Your Python installation is unable to find `xattr`."
  else
    "unknown xattr error: #{result.stderr.split("\n").last}"
  end
end

#check_casktap_integrity ⇒ 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 'diagnostic.rb', line 534

def check_casktap_integrity
  core_cask_tap = CoreCaskTap.instance
  return unless core_cask_tap.installed?

  broken_tap(core_cask_tap) || examine_git_origin(core_cask_tap.git_repository, core_cask_tap.remote)
end

#check_coretap_integrity ⇒ 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 'diagnostic.rb', line 523

def check_coretap_integrity
  core_tap = CoreTap.instance
  unless core_tap.installed?
    return unless EnvConfig.no_install_from_api?

    core_tap.ensure_installed!
  end

  broken_tap(core_tap) || examine_git_origin(core_tap.git_repository, Homebrew::EnvConfig.core_git_remote)
end

#check_deleted_formula ⇒ 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 'diagnostic.rb', line 831

def check_deleted_formula
  kegs = Keg.all

  deleted_formulae = kegs.filter_map do |keg|
    tap = keg.tab.tap
    tap_keg_name = tap ? "#{tap}/#{keg.name}" : keg.name

    loadable = [
      Formulary::FromAPILoader,
      Formulary::FromTapLoader,
      Formulary::FromNameLoader,
    ].any? do |loader_class|
      loader = begin
        loader_class.try_new(tap_keg_name, warn: false)
      rescue TapFormulaAmbiguityError => e
        e.loaders.first
      end

      loader.instance_of?(Formulary::FromTapLoader) ? loader.path.exist? : loader.present?
    end

    keg.name unless loadable
  end.uniq

  return if deleted_formulae.blank?

  <<~EOS
    Some installed kegs have no formulae!
    This means they were either deleted or installed manually.
    You should find replacements for the following formulae:
      #{deleted_formulae.join("\n  ")}
  EOS
end

#check_deprecated_disabled ⇒ 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 'diagnostic.rb', line 632

def check_deprecated_disabled
  return unless HOMEBREW_CELLAR.exist?

  deprecated_or_disabled = Formula.installed.select(&:deprecated?)
  deprecated_or_disabled += Formula.installed.select(&:disabled?)
  return if deprecated_or_disabled.empty?

  <<~EOS
    Some installed formulae are deprecated or disabled.
    You should find replacements for the following formulae:
      #{deprecated_or_disabled.sort_by(&:full_name).uniq * "\n  "}
  EOS
end

#check_deprecated_official_taps ⇒ 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 'diagnostic.rb', line 561

def check_deprecated_official_taps
  tapped_deprecated_taps =
    Tap.select(&:official?).map(&:repository) & DEPRECATED_OFFICIAL_TAPS
  return if tapped_deprecated_taps.empty?

  <<~EOS
    You have the following deprecated, official taps tapped:
      Homebrew/homebrew-#{tapped_deprecated_taps.join("\n  Homebrew/homebrew-")}
    Untap them with `brew untap`.
  EOS
end

#check_exist_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 'diagnostic.rb', line 344

def check_exist_directories
  return if HOMEBREW_PREFIX.writable?

  not_exist_dirs = Keg.must_exist_directories.reject(&:exist?)
  return if not_exist_dirs.empty?

  <<~EOS
    The following directories do not exist:
    #{not_exist_dirs.join("\n")}

    You should create these directories and change their ownership to your user.
      sudo mkdir -p #{not_exist_dirs.join(" ")}
      sudo chown -R #{current_user} #{not_exist_dirs.join(" ")}
  EOS
end

#check_for_broken_symlinks ⇒ 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 'diagnostic.rb', line 315

def check_for_broken_symlinks
  broken_symlinks = []

  Keg.must_exist_subdirectories.each do |d|
    next unless d.directory?

    d.find do |path|
      broken_symlinks << path if path.symlink? && !path.resolved_path_exists?
    end
  end
  return if broken_symlinks.empty?

  inject_file_list broken_symlinks, <<~EOS
    Broken symlinks were found. Remove them with `brew cleanup`:
  EOS
end

#check_for_external_cmd_name_conflict ⇒ 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 'diagnostic.rb', line 766

def check_for_external_cmd_name_conflict
  cmds = Commands.tap_cmd_directories.flat_map { |p| Dir["#{p}/brew-*"] }.uniq
  cmds = cmds.select { |cmd| File.file?(cmd) && File.executable?(cmd) }
  cmd_map = {}
  cmds.each do |cmd|
    cmd_name = File.basename(cmd, ".rb")
    cmd_map[cmd_name] ||= []
    cmd_map[cmd_name] << cmd
  end
  cmd_map.reject! { |_cmd_name, cmd_paths| cmd_paths.size == 1 }
  return if cmd_map.empty?

  if ENV["CI"].present? && cmd_map.keys.length == 1 &&
     cmd_map.keys.first == "brew-test-bot"
    return
  end

  message = "You have external commands with conflicting names.\n"
  cmd_map.each do |cmd_name, cmd_paths|
    message += inject_file_list cmd_paths, <<~EOS
      Found command `#{cmd_name}` in the following places:
    EOS
  end

  message
end

#check_for_git ⇒ 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 'diagnostic.rb', line 489

def check_for_git
  return if Utils::Git.available?

  <<~EOS
    Git could not be found in your PATH.
    Homebrew uses Git for several internal functions and some formulae use Git
    checkouts instead of stable tarballs. You may want to install Git:
      brew install git
  EOS
end

#check_for_installed_developer_tools ⇒ 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 'diagnostic.rb', line 176

def check_for_installed_developer_tools
  return if DevelopmentTools.installed?

  <<~EOS
    No developer tools installed.
    #{DevelopmentTools.installation_instructions}
  EOS
end

#check_for_non_prefixed_coreutils ⇒ 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 'diagnostic.rb', line 702

def check_for_non_prefixed_coreutils
  coreutils = Formula["coreutils"]
  return unless coreutils.any_version_installed?

  gnubin = %W[#{coreutils.opt_libexec}/gnubin #{coreutils.libexec}/gnubin]
  return unless paths.intersect?(gnubin)

  <<~EOS
    Putting non-prefixed coreutils in your path can cause GMP builds to fail.
  EOS
rescue FormulaUnavailableError
  nil
end

#check_for_other_frameworks ⇒ 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 'diagnostic.rb', line 586

def check_for_other_frameworks
  # Other frameworks that are known to cause problems when present
  frameworks_to_check = %w[
    expat.framework
    libexpat.framework
    libcurl.framework
  ]
  frameworks_found = frameworks_to_check
                     .map { |framework| "/Library/Frameworks/#{framework}" }
                     .select { |framework| File.exist? framework }
  return if frameworks_found.empty?

  inject_file_list frameworks_found, <<~EOS
    Some frameworks can be picked up by CMake's build system and will likely
    cause the build to fail. To compile CMake, you may wish to move these
    out of the way:
  EOS
end

#check_for_pydistutils_cfg_in_home ⇒ 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 'diagnostic.rb', line 716

def check_for_pydistutils_cfg_in_home
  return unless File.exist? "#{Dir.home}/.pydistutils.cfg"

  <<~EOS
    A '.pydistutils.cfg' file was found in $HOME, which may cause Python
    builds to fail. See:
      #{Formatter.url("https://bugs.python.org/issue6138")}
      #{Formatter.url("https://bugs.python.org/issue4655")}
  EOS
end

#check_for_stray_dylibs ⇒ 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 'diagnostic.rb', line 198

def check_for_stray_dylibs
  # Dylibs which are generally OK should be added to this list,
  # with a short description of the software they come with.
  allow_list = [
    "libfuse.2.dylib", # MacFuse
    "libfuse_ino64.2.dylib", # MacFuse
    "libmacfuse_i32.2.dylib", # OSXFuse MacFuse compatibility layer
    "libmacfuse_i64.2.dylib", # OSXFuse MacFuse compatibility layer
    "libosxfuse_i32.2.dylib", # OSXFuse
    "libosxfuse_i64.2.dylib", # OSXFuse
    "libosxfuse.2.dylib", # OSXFuse
    "libTrAPI.dylib", # TrAPI/Endpoint Security VPN
    "libntfs-3g.*.dylib", # NTFS-3G
    "libntfs.*.dylib", # NTFS-3G
    "libublio.*.dylib", # NTFS-3G
    "libUFSDNTFS.dylib", # Paragon NTFS
    "libUFSDExtFS.dylib", # Paragon ExtFS
    "libecomlodr.dylib", # Symantec Endpoint Protection
    "libsymsea*.dylib", # Symantec Endpoint Protection
    "sentinel.dylib", # SentinelOne
    "sentinel-*.dylib", # SentinelOne
  ]

  __check_stray_files "/usr/local/lib", "*.dylib", allow_list, <<~EOS
    Unbrewed dylibs were found in /usr/local/lib.
    If you didn't put them there on purpose they could cause problems when
    building Homebrew formulae and may need to be deleted.

    Unexpected dylibs:
  EOS
end

#check_for_stray_headers ⇒ 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 'diagnostic.rb', line 296

def check_for_stray_headers
  allow_list = [
    "fuse.h", # MacFuse
    "fuse/**/*.h", # MacFuse
    "macfuse/**/*.h", # OSXFuse MacFuse compatibility layer
    "osxfuse/**/*.h", # OSXFuse
    "ntfs/**/*.h", # NTFS-3G
    "ntfs-3g/**/*.h", # NTFS-3G
  ]

  __check_stray_files "/usr/local/include", "**/*.h", allow_list, <<~EOS
    Unbrewed header files were found in /usr/local/include.
    If you didn't put them there on purpose they could cause problems when
    building Homebrew formulae and may need to be deleted.

    Unexpected header files:
  EOS
end

#check_for_stray_las ⇒ 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 'diagnostic.rb', line 275

def check_for_stray_las
  allow_list = [
    "libfuse.la", # MacFuse
    "libfuse_ino64.la", # MacFuse
    "libosxfuse_i32.la", # OSXFuse
    "libosxfuse_i64.la", # OSXFuse
    "libosxfuse.la", # OSXFuse
    "libntfs-3g.la", # NTFS-3G
    "libntfs.la", # NTFS-3G
    "libublio.la", # NTFS-3G
  ]

  __check_stray_files "/usr/local/lib", "*.la", allow_list, <<~EOS
    Unbrewed '.la' files were found in /usr/local/lib.
    If you didn't put them there on purpose they could cause problems when
    building Homebrew formulae and may need to be deleted.

    Unexpected '.la' files:
  EOS
end

#check_for_stray_pcs ⇒ 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 'diagnostic.rb', line 255

def check_for_stray_pcs
  # Package-config files which are generally OK should be added to this list,
  # with a short description of the software they come with.
  allow_list = [
    "fuse.pc", # OSXFuse/MacFuse
    "macfuse.pc", # OSXFuse MacFuse compatibility layer
    "osxfuse.pc", # OSXFuse
    "libntfs-3g.pc", # NTFS-3G
    "libublio.pc", # NTFS-3G
  ]

  __check_stray_files "/usr/local/lib/pkgconfig", "*.pc", allow_list, <<~EOS
    Unbrewed '.pc' files were found in /usr/local/lib/pkgconfig.
    If you didn't put them there on purpose they could cause problems when
    building Homebrew formulae and may need to be deleted.

    Unexpected '.pc' files:
  EOS
end

#check_for_stray_static_libs ⇒ 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 'diagnostic.rb', line 230

def check_for_stray_static_libs
  # Static libs which are generally OK should be added to this list,
  # with a short description of the software they come with.
  allow_list = [
    "libntfs-3g.a", # NTFS-3G
    "libntfs.a", # NTFS-3G
    "libublio.a", # NTFS-3G
    "libappfirewall.a", # Symantec Endpoint Protection
    "libautoblock.a", # Symantec Endpoint Protection
    "libautosetup.a", # Symantec Endpoint Protection
    "libconnectionsclient.a", # Symantec Endpoint Protection
    "liblocationawareness.a", # Symantec Endpoint Protection
    "libpersonalfirewall.a", # Symantec Endpoint Protection
    "libtrustedcomponents.a", # Symantec Endpoint Protection
  ]

  __check_stray_files "/usr/local/lib", "*.a", allow_list, <<~EOS
    Unbrewed static libraries were found in /usr/local/lib.
    If you didn't put them there on purpose they could cause problems when
    building Homebrew formulae and may need to be deleted.

    Unexpected static libraries:
  EOS
end

#check_for_symlinked_cellar ⇒ 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 'diagnostic.rb', line 455

def check_for_symlinked_cellar
  return unless HOMEBREW_CELLAR.exist?
  return unless HOMEBREW_CELLAR.symlink?

  <<~EOS
    Symlinked Cellars can cause problems.
    Your Homebrew Cellar is a symlink: #{HOMEBREW_CELLAR}
                    which resolves to: #{HOMEBREW_CELLAR.realpath}

    The recommended Homebrew installations are either:
    (A) Have Cellar be a real directory inside of your HOMEBREW_PREFIX
    (B) Symlink "bin/brew" into your prefix, but don't symlink "Cellar".

    Older installations of Homebrew may have created a symlinked Cellar, but this can
    cause problems when two formulae install to locations that are mapped on top of each
    other during the linking step.
  EOS
end

#check_for_tap_ruby_files_locations ⇒ 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 'diagnostic.rb', line 793

def check_for_tap_ruby_files_locations
  bad_tap_files = {}
  Tap.installed.each do |tap|
    unused_formula_dirs = tap.potential_formula_dirs - [tap.formula_dir]
    unused_formula_dirs.each do |dir|
      next unless dir.exist?

      dir.children.each do |path|
        next if path.extname != ".rb"

        bad_tap_files[tap] ||= []
        bad_tap_files[tap] << path
      end
    end
  end
  return if bad_tap_files.empty?

  bad_tap_files.keys.map do |tap|
    <<~EOS
      Found Ruby file outside #{tap} tap formula directory.
      (#{tap.formula_dir}):
        #{bad_tap_files[tap].join("\n  ")}
    EOS
  end.join("\n")
end

#check_for_unlinked_but_not_keg_only ⇒ 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 'diagnostic.rb', line 745

def check_for_unlinked_but_not_keg_only
  unlinked = Formula.racks.reject do |rack|
    if (HOMEBREW_LINKED_KEGS/rack.basename).directory?
      true
    else
      begin
        Formulary.from_rack(rack).keg_only?
      rescue FormulaUnavailableError, TapFormulaAmbiguityError
        false
      end
    end
  end.map(&:basename)
  return if unlinked.empty?

  inject_file_list unlinked, <<~EOS
    You have unlinked kegs in your Cellar.
    Leaving kegs unlinked can lead to build-trouble and cause formulae that depend on
    those kegs to fail to run properly once built. Run `brew link` on these:
  EOS
end

#check_for_unnecessary_cask_tap ⇒ 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 'diagnostic.rb', line 879

def check_for_unnecessary_cask_tap
  return if Homebrew::EnvConfig.developer?
  return if Homebrew::EnvConfig.no_install_from_api?
  return if Homebrew::EnvConfig.devcmdrun?

  cask_tap = CoreCaskTap.instance
  return unless cask_tap.installed?

  <<~EOS
    You have an unnecessary local Cask tap.
    This can cause problems installing up-to-date casks.
    Please remove it by running:
      brew untap #{cask_tap.name}
  EOS
end

#check_for_unnecessary_core_tap ⇒ 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 'diagnostic.rb', line 865

def check_for_unnecessary_core_tap
  return if Homebrew::EnvConfig.developer?
  return if Homebrew::EnvConfig.no_install_from_api?
  return if Homebrew::EnvConfig.devcmdrun?
  return unless CoreTap.instance.installed?

  <<~EOS
    You have an unnecessary local Core tap!
    This can cause problems installing up-to-date formulae.
    Please remove it by running:
     brew untap #{CoreTap.instance.name}
  EOS
end

#check_for_unreadable_installed_formula ⇒ 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 'diagnostic.rb', line 727

def check_for_unreadable_installed_formula
  formula_unavailable_exceptions = []
  Formula.racks.each do |rack|
    Formulary.from_rack(rack)
  rescue FormulaUnreadableError, FormulaClassUnavailableError,
         TapFormulaUnreadableError, TapFormulaClassUnavailableError => e
    formula_unavailable_exceptions << e
  rescue FormulaUnavailableError, TapFormulaAmbiguityError
    nil
  end
  return if formula_unavailable_exceptions.empty?

  <<~EOS
    Some installed formulae are not readable:
      #{formula_unavailable_exceptions.join("\n\n  ")}
  EOS
end

#check_git_newline_settings ⇒ 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 'diagnostic.rb', line 500

def check_git_newline_settings
  return unless Utils::Git.available?

  autocrlf = HOMEBREW_REPOSITORY.cd { `git config --get core.autocrlf`.chomp }
  return if autocrlf != "true"

  <<~EOS
    Suspicious Git newline settings found.

    The detected Git newline settings will cause checkout problems:
      core.autocrlf = #{autocrlf}

    If you are not routinely dealing with Windows-based projects,
    consider removing these by running:
      git config --global core.autocrlf input
  EOS
end

#check_git_status ⇒ 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 'diagnostic.rb', line 659

def check_git_status
  return unless Utils::Git.available?

  message = T.let(nil, T.nilable(String))

  repos = {
    "Homebrew/brew"          => HOMEBREW_REPOSITORY,
    "Homebrew/homebrew-core" => CoreTap.instance.path,
  }

  OFFICIAL_CASK_TAPS.each do |tap|
    cask_tap = Tap.fetch "homebrew", tap
    repos[cask_tap.full_name] = cask_tap.path if cask_tap.installed?
  end

  repos.each do |name, path|
    next unless path.exist?

    status = path.cd do
      `git status --untracked-files=all --porcelain 2>/dev/null`
    end
    next if status.blank?

    message ||= ""
    message += "\n" unless message.empty?
    message += <<~EOS
      You have uncommitted modifications to #{name}.
      If this is a surprise to you, then you should stash these modifications.
      Stashing returns Homebrew to a pristine state but can be undone
      should you later need to do so for some reason.
        cd #{path} && git stash -u && git clean -d -f
    EOS

    modified = status.split("\n")
    message += inject_file_list modified, <<~EOS

      Uncommitted files:
    EOS
  end

  message
end

#check_git_version ⇒ 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 'diagnostic.rb', line 474

def check_git_version
  minimum_version = ENV.fetch("HOMEBREW_MINIMUM_GIT_VERSION")
  return unless Utils::Git.available?
  return if Version.new(Utils::Git.version) >= Version.new(minimum_version)

  git = Formula["git"]
  git_upgrade_cmd = git.any_version_installed? ? "upgrade" : "install"
  <<~EOS
    An outdated version (#{Utils::Git.version}) of Git was detected in your PATH.
    Git #{minimum_version} or newer is required for Homebrew.
    Please upgrade:
      brew #{git_upgrade_cmd} git
  EOS
end

#check_homebrew_prefix ⇒ 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 'diagnostic.rb', line 819

def check_homebrew_prefix
  return if Homebrew.default_prefix?

  <<~EOS
    Your Homebrew's prefix is not #{Homebrew::DEFAULT_PREFIX}.

    Many of Homebrew's bottles (binary packages) can only be used with the default prefix.
    Consider uninstalling Homebrew and reinstalling into the default prefix.
    #{please_create_pull_requests}
  EOS
end

#check_missing_deps ⇒ 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 'diagnostic.rb', line 614

def check_missing_deps
  return unless HOMEBREW_CELLAR.exist?

  missing = Set.new
  Homebrew::Diagnostic.missing_deps(Formula.installed).each_value do |deps|
    missing.merge(deps)
  end
  return if missing.empty?

  <<~EOS
    Some installed formulae are missing dependencies.
    You should `brew install` the missing dependencies:
      brew install #{missing.sort_by(&:full_name) * " "}

    Run `brew missing` for more details.
  EOS
end

#check_multiple_cellars ⇒ 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 'diagnostic.rb', line 378

def check_multiple_cellars
  return if HOMEBREW_PREFIX.to_s == HOMEBREW_REPOSITORY.to_s
  return unless (HOMEBREW_REPOSITORY/"Cellar").exist?
  return unless (HOMEBREW_PREFIX/"Cellar").exist?

  <<~EOS
    You have multiple Cellars.
    You should delete #{HOMEBREW_REPOSITORY}/Cellar:
      rm -rf #{HOMEBREW_REPOSITORY}/Cellar
  EOS
end

#check_tap_git_branch ⇒ 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 'diagnostic.rb', line 542

def check_tap_git_branch
  return if ENV["CI"]
  return unless Utils::Git.available?

  commands = Tap.installed.filter_map do |tap|
    next if tap.git_repository.default_origin_branch?

    "git -C $(brew --repo #{tap.name}) checkout #{tap.git_repository.origin_branch_name}"
  end

  return if commands.blank?

  <<~EOS
    Some taps are not on the default git origin branch and may not receive
    updates. If this is a surprise to you, check out the default branch with:
      #{commands.join("\n  ")}
  EOS
end

#check_tmpdir ⇒ 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 'diagnostic.rb', line 605

def check_tmpdir
  tmpdir = ENV.fetch("TMPDIR", nil)
  return if tmpdir.nil? || File.directory?(tmpdir)

  <<~EOS
    TMPDIR #{tmpdir.inspect} doesn't exist.
  EOS
end

#check_tmpdir_sticky_bit ⇒ Object Also known as: generic_check_tmpdir_sticky_bit

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 'diagnostic.rb', line 332

def check_tmpdir_sticky_bit
  world_writable = HOMEBREW_TEMP.stat.mode & 0777 == 0777
  return if !world_writable || HOMEBREW_TEMP.sticky?

  <<~EOS
    #{HOMEBREW_TEMP} is world-writable but does not have the sticky bit set.
    To set it, run the following command:
      sudo chmod +t #{HOMEBREW_TEMP}
  EOS
end

#check_user_path_1 ⇒ 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 'diagnostic.rb', line 390

def check_user_path_1
  @seen_prefix_bin = false
  @seen_prefix_sbin = false

  message = ""

  paths.each do |p|
    case p
    when "/usr/bin"
      unless @seen_prefix_bin
        # only show the doctor message if there are any conflicts
        # rationale: a default install should not trigger any brew doctor messages
        conflicts = Dir["#{HOMEBREW_PREFIX}/bin/*"]
                    .map { |fn| File.basename fn }
                    .select { |bn| File.exist? "/usr/bin/#{bn}" }

        unless conflicts.empty?
          message = inject_file_list conflicts, <<~EOS
            /usr/bin occurs before #{HOMEBREW_PREFIX}/bin in your PATH.
            This means that system-provided programs will be used instead of those
            provided by Homebrew. Consider setting your PATH so that
            #{HOMEBREW_PREFIX}/bin occurs before /usr/bin. Here is a one-liner:
              #{Utils::Shell.prepend_path_in_profile("#{HOMEBREW_PREFIX}/bin")}

            The following tools exist at both paths:
          EOS
        end
      end
    when "#{HOMEBREW_PREFIX}/bin"
      @seen_prefix_bin = true
    when "#{HOMEBREW_PREFIX}/sbin"
      @seen_prefix_sbin = true
    end
  end

  message unless message.empty?
end

#check_user_path_2 ⇒ 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 'diagnostic.rb', line 428

def check_user_path_2
  return if @seen_prefix_bin

  <<~EOS
    Homebrew's "bin" was not found in your PATH.
    Consider setting your PATH for example like so:
      #{Utils::Shell.prepend_path_in_profile("#{HOMEBREW_PREFIX}/bin")}
  EOS
end

#check_user_path_3 ⇒ 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 'diagnostic.rb', line 438

def check_user_path_3
  return if @seen_prefix_sbin

  # Don't complain about sbin not being in the path if it doesn't exist
  sbin = HOMEBREW_PREFIX/"sbin"
  return unless sbin.directory?
  return if sbin.children.empty?
  return if sbin.children.one? && sbin.children.first.basename.to_s == ".keepme"

  <<~EOS
    Homebrew's "sbin" was not found in your PATH but you have installed
    formulae that put executables in #{HOMEBREW_PREFIX}/sbin.
    Consider setting your PATH for example like so:
      #{Utils::Shell.prepend_path_in_profile("#{HOMEBREW_PREFIX}/sbin")}
  EOS
end

#current_user ⇒ 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 'diagnostic.rb', line 1047

def current_user
  ENV.fetch("USER", "$(whoami)")
end

#examine_git_origin(repository_path, desired_origin) ⇒ 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 'diagnostic.rb', line 129

def examine_git_origin(repository_path, desired_origin)
  return if !Utils::Git.available? || !repository_path.git_repository?

  current_origin = repository_path.origin_url

  if current_origin.nil?
    <<~EOS
      Missing #{desired_origin} git origin remote.

      Without a correctly configured origin, Homebrew won't update
      properly. You can solve this by adding the remote:
        git -C "#{repository_path}" remote add origin #{Formatter.url(desired_origin)}
    EOS
  elsif !current_origin.match?(%r{#{desired_origin}(\.git|/)?$}i)
    <<~EOS
      Suspicious #{desired_origin} git origin remote found.
      The current git origin is:
        #{current_origin}

      With a non-standard origin, Homebrew won't update properly.
      You can solve this by setting the origin remote:
        git -C "#{repository_path}" remote set-url origin #{Formatter.url(desired_origin)}
    EOS
  end
end

#fatal_build_from_source_checks ⇒ 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 'diagnostic.rb', line 92

def fatal_build_from_source_checks
  %w[
    check_for_installed_developer_tools
  ].freeze
end

#fatal_preinstall_checks ⇒ 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 'diagnostic.rb', line 86

def fatal_preinstall_checks
  %w[
    check_access_directories
  ].freeze
end

#fatal_setup_build_environment_checks ⇒ 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 'diagnostic.rb', line 98

def fatal_setup_build_environment_checks
  [].freeze
end

#find_relative_paths(*relative_paths) ⇒ 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.

Finds files in HOMEBREW_PREFIX and /usr/local. Specify paths relative to a prefix, e.g. "include/foo.h". Sets @found for your convenience.



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# File 'diagnostic.rb', line 60

def find_relative_paths(*relative_paths)
  @found = [HOMEBREW_PREFIX, "/usr/local"].uniq.reduce([]) do |found, prefix|
    found + relative_paths.map { |f| File.join(prefix, f) }.select { |f| File.exist? f }
  end
end

#inject_file_list(list, string) ⇒ 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 'diagnostic.rb', line 67

def inject_file_list(list, string)
  list.reduce(string.dup) { |acc, elem| acc << "  #{elem}\n" }
      .freeze
end

#none_string ⇒ 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 'diagnostic.rb', line 77

def none_string
  "<NONE>"
end

#please_create_pull_requests(what = "unsupported configuration") ⇒ 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 'diagnostic.rb', line 114

def please_create_pull_requests(what = "unsupported configuration")
  <<~EOS
    It is expected behaviour that some formulae will fail to build in this #{what}.
    It is expected behaviour that Homebrew will be buggy and slow.
    Do not create any issues about this on Homebrew's GitHub repositories.
    Do not create any issues even if you think this message is unrelated.
    Any opened issues will be immediately closed without response.
    Do not ask for help from Homebrew or its maintainers on social media.
    You may ask for help in Homebrew's discussions but are unlikely to receive a response.
    Try to figure out the problem yourself and submit a fix as a pull request.
    We will review it but may or may not accept it.
  EOS
end

#supported_configuration_checks ⇒ 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 'diagnostic.rb', line 102

def supported_configuration_checks
  [].freeze
end

#user_tilde(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 'diagnostic.rb', line 72

def user_tilde(path)
  path.gsub(Dir.home, "~")
end