Module: OS::Mac::Diagnostic::Checks Private

Extended by:
T::Helpers
Included in:
Homebrew::Diagnostic::Checks
Defined in:
extend/os/mac/diagnostic.rb

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

Instance Method Summary collapse

Instance Method Details

#build_from_source_checks ⇒ 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.

Returns:



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# File 'extend/os/mac/diagnostic.rb', line 103

def build_from_source_checks
  %w[
    check_for_installed_developer_tools
    check_xcode_up_to_date
    check_clt_up_to_date
  ].freeze
end

#check_cask_quarantine_support ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 573

def check_cask_quarantine_support
  status, check_output = ::Cask::Quarantine.check_quarantine_support

  messages = case status
  when :quarantine_available
    [nil, nil]
  when :xattr_broken
    ["No Cask quarantine support available: there's no working version of `xattr` on this system.", nil]
  when :no_swift
    ["No Cask quarantine support available: there's no available version of `swift` on this system.", nil]
  when :swift_broken_clt
    ["No Cask quarantine support available: Swift is not working due to missing Command Line Tools.", MacOS::CLT.installation_then_reinstall_instructions]
  when :swift_compilation_failed
    msg = <<~EOS
      No Cask quarantine support available: Swift compilation failed.
      This is usually due to a broken or incompatible Command Line Tools installation.
    EOS
    [msg, MacOS::CLT.installation_then_reinstall_instructions]
  when :swift_runtime_error
    msg = <<~EOS
      No Cask quarantine support available: Swift runtime error.
      Your Command Line Tools installation may be broken or incomplete.
    EOS
    [msg, MacOS::CLT.installation_then_reinstall_instructions]
  when :swift_not_executable
    msg = <<~EOS
      No Cask quarantine support available: Swift is not executable.
      Your Command Line Tools installation may be incomplete.
    EOS
    [msg, MacOS::CLT.installation_then_reinstall_instructions]
  when :swift_unexpected_error
    msg = <<~EOS
      No Cask quarantine support available: Swift returned an unexpected error:
      #{check_output}
    EOS
    [msg, nil]
  else
    msg = <<~EOS
      No Cask quarantine support available: unknown reason: #{status.inspect}:
      #{check_output}
    EOS
    [msg, nil]
  end

  message, remediation = messages
  return if message.blank?

  ::Homebrew::Diagnostic::Finding.new(message, remediation:)
end

#check_cask_software_versions ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 540

def check_cask_software_versions
  super
  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_clt_minimum_version ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 259

def check_clt_minimum_version
  return unless MacOS::CLT.below_minimum_version?

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      Your Command Line Tools are too outdated.
    EOS
    remediation: MacOS::CLT.update_instructions,
  )
end

#check_clt_up_to_date ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 221

def check_clt_up_to_date
  return unless MacOS::CLT.outdated?

  # avoid duplicate very similar messages
  return if MacOS::CLT.below_minimum_version?

  # CI images are going to end up outdated so don't complain when
  # `brew test-bot` runs `brew doctor` in the CI for the Homebrew/brew
  # repository. This only needs to support whatever CI providers
  # Homebrew/brew is currently using.
  return if GitHub::Actions.env_set?

  ::Homebrew::Diagnostic::Finding.new(
    "A newer Command Line Tools release is available.",
    tier:        2,
    remediation: MacOS::CLT.update_instructions,
  )
end

#check_filesystem_case_sensitive ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 356

def check_filesystem_case_sensitive
  dirs_to_check = [
    HOMEBREW_PREFIX,
    HOMEBREW_REPOSITORY,
    HOMEBREW_CELLAR,
    HOMEBREW_TEMP,
  ]
  case_sensitive_dirs = dirs_to_check.select do |dir|
    # We select the dir as being case-sensitive if either the UPCASED or the
    # downcased variant is missing.
    # Of course, on a case-insensitive fs, both exist because the os reports so.
    # In the rare situation when the user has indeed a downcased and an upcased
    # dir (e.g. /TMP and /tmp) this check falsely thinks it is case-insensitive
    # but we don't care because: 1. there is more than one dir checked, 2. the
    # check is not vital and 3. we would have to touch files otherwise.
    upcased = ::Pathname.new(dir.to_s.upcase)
    downcased = ::Pathname.new(dir.to_s.downcase)
    dir.exist? && !(upcased.exist? && downcased.exist?)
  end
  return if case_sensitive_dirs.empty?

  volumes = Volumes.new
  case_sensitive_vols = case_sensitive_dirs.map do |case_sensitive_dir|
    volumes.get_mounts(case_sensitive_dir)
  end
  case_sensitive_vols.uniq!

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      The filesystem on #{case_sensitive_vols.join(",")} appears to be case-sensitive.
      The default macOS filesystem is case-insensitive. Please report any apparent problems.
    EOS
  )
end

#check_for_emudhra_certificates ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 112

def check_for_emudhra_certificates
  # GitHub Actions runner images still include these roots.
  return if GitHub::Actions.env_set?

  script = (HOMEBREW_LIBRARY_PATH/"utils/emudhra_certificates.rb").to_s.shellescape
  certificate_trust_check(
    "/etc/ssl/cert.pem",
    # Keep root names in sync with utils/emudhra_certificates.rb.
    root_names:   ["emSign ECC Root CA - G3", "AAA Certificate Services"],
    advisory_url: "https://support.apple.com/en-us/149555",
    script:,
  )
end

#check_for_gettext ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 392

def check_for_gettext
  find_relative_paths("lib/libgettextlib.dylib",
                      "lib/libintl.dylib",
                      "include/libintl.h")
  return if @found.empty?

  # Our gettext formula will be caught by check_linked_keg_only_brews
  gettext = begin
    Formulary.factory("gettext")
  rescue
    nil
  end

  if gettext&.linked_keg&.directory?
    allowlist = ["#{HOMEBREW_CELLAR}/gettext"]
    if ::Hardware::CPU.physical_cpu_arm64?
      allowlist += %W[
        #{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX}/Cellar/gettext
        #{HOMEBREW_DEFAULT_PREFIX}/Cellar/gettext
      ]
    end

    return if @found.all? do |path|
      realpath = ::Pathname.new(path).realpath.to_s
      realpath.start_with?(*allowlist)
    end
  end

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: append_indented_list(@found, <<~EOS),
      Consider removing these files:
    EOS
  )
end

#check_for_iconv ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 433

def check_for_iconv
  find_relative_paths("lib/libiconv.dylib", "include/iconv.h")
  return if @found.empty?

  libiconv = begin
    Formulary.factory("libiconv")
  rescue
    nil
  end
  if libiconv&.linked_keg&.directory?
    unless libiconv&.keg_only?
      ::Homebrew::Diagnostic::Finding.new(
        <<~EOS,
          A libiconv formula is installed and linked.
          This will break stuff. For serious. Unlink it.
        EOS
      )
    end
  else
    ::Homebrew::Diagnostic::Finding.new(
      <<~EOS,
      remediation: append_indented_list(@found, <<~EOS),
        Consider removing these files:
      EOS
    )
  end
end

#check_for_multiple_volumes ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 469

def check_for_multiple_volumes
  return unless HOMEBREW_CELLAR.exist?

  volumes = Volumes.new

  # Find the volumes for the TMP folder & HOMEBREW_CELLAR
  real_cellar = HOMEBREW_CELLAR.realpath
  where_cellar = volumes.index_of real_cellar

  begin
    tmp = ::Pathname.new(Dir.mktmpdir("doctor", HOMEBREW_TEMP))
    begin
      real_tmp = tmp.realpath.parent
      where_tmp = volumes.index_of real_tmp
    ensure
      Dir.delete tmp.to_s
    end
  rescue
    return
  end

  return if where_cellar == where_tmp

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    tier:        2,
    remediation: <<~EOS,
      You should set the `$HOMEBREW_TEMP` environment variable to a suitable
      directory on the same volume as your Cellar.
    EOS
  )
end

#check_for_non_prefixed_findutils ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 127

def check_for_non_prefixed_findutils
  findutils = ::Formula["findutils"]
  return unless findutils.any_version_installed?

  gnubin = %W[#{findutils.opt_libexec}/gnubin #{findutils.libexec}/gnubin]
  default_names = Tab.for_name("findutils").with? "default-names"
  return if !default_names && !paths.intersect?(gnubin)

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      Putting non-prefixed findutils in your path can cause python builds to fail.
    EOS
  )
rescue FormulaUnavailableError
  nil
end

#check_for_unsupported_macos ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 145

def check_for_unsupported_macos
  return if Homebrew::EnvConfig.developer?
  return if ENV["HOMEBREW_INTEGRATION_TEST"]

  tier = 2
  who = +"We"
  version = MacOS.version
  what = if OS::Mac.version.outdated_release?
    tier = 3
    who << " (and Apple)"
    "old version."
  elsif ::Hardware::CPU.intel?
    tier = 3
    version = "on Intel x86_64"
    <<~EOS
      platform (as-of September 2026, announced August 2025).

      Apple have dropped Intel x86_64 support in macOS Golden Gate (27).
      GitHub Actions are dropping macOS Intel x86_64 runners in 2027.
      Homebrew is a non-profit project run entirely by volunteers, not employees.
      If the biggest companies in the world cannot support macOS Intel x86_64
      any longer, sadly neither can we.
    EOS
  elsif OS::Mac.version.prerelease?
    "pre-release version."
  end
  return if what.blank?

  who.freeze

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      You are using macOS #{version}.
      #{who} do not provide support for this #{what.chomp}
    EOS
    tier:,
    remediation: macos_bottle_remediation(MacOS.version, intel: ::Hardware::CPU.intel?),
  )
end

#check_if_supported_sdk_available ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 507

def check_if_supported_sdk_available
  return unless ::DevelopmentTools.installed?
  return if MacOS.sdk

  locator = MacOS.sdk_locator

  source = if locator.source == :clt
    return if MacOS::CLT.below_minimum_version? # Handled by other diagnostics.

    update_instructions = MacOS::CLT.update_instructions
    "Command Line Tools (CLT)"
  else
    return if MacOS::Xcode.below_minimum_version? # Handled by other diagnostics.

    update_instructions = MacOS::Xcode.update_instructions
    "Xcode"
  end

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: ::Homebrew::Diagnostic::Finding::Remediation.new(
      text: <<~EOS,
        Please update your #{source} or delete it if no updates are available.
        #{update_instructions}
      EOS
    ),
  )
end

#check_if_xcode_needs_clt_installed ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 271

def check_if_xcode_needs_clt_installed
  return unless MacOS::Xcode.needs_clt_installed?

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      Xcode alone is not sufficient on #{MacOS.version.pretty_name}.
    EOS
    remediation: ::DevelopmentTools.installation_instructions,
  )
end

#check_pkgconf_macos_sdk_mismatch ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 563

def check_pkgconf_macos_sdk_mismatch
  mismatch = Homebrew::Pkgconf.macos_sdk_mismatch
  return unless mismatch

  ::Homebrew::Diagnostic::Finding.new(
    Homebrew::Pkgconf.mismatch_warning_message(mismatch),
  )
end

#check_xcode_license_approved ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 335

def check_xcode_license_approved
  # If the user installs Xcode-only, they have to approve the
  # license or no "xc*" tool will work.
  return unless Utils.popen_read_text("/usr/bin/xcrun", "--find", "clang", err: :out).include?("license")
  return if $CHILD_STATUS.success?

  commands = ["sudo xcodebuild -license"]
  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: ::Homebrew::Diagnostic::Finding::Remediation.new(
      text:     append_indented_list(commands, <<~EOS),
        Agree to the license by opening Xcode.app or running:
      EOS
      commands:,
    ),
  )
end

#check_xcode_minimum_version ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 241

def check_xcode_minimum_version
  return unless MacOS::Xcode.below_minimum_version?

  xcode = MacOS::Xcode.version.to_s
  xcode += " => #{MacOS::Xcode.prefix}" unless MacOS::Xcode.default_prefix?

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: <<~EOS,
      Please update to Xcode #{MacOS::Xcode.latest_version} (or delete it).
      #{MacOS::Xcode.update_instructions}
    EOS
  )
end

#check_xcode_prefix ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 283

def check_xcode_prefix
  prefix = MacOS::Xcode.prefix
  return if prefix.nil?
  return unless prefix.to_s.include?(" ")

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
      Xcode is installed to a directory with a space in the name.
      This will cause some formulae to fail to build.
    EOS
  )
end

#check_xcode_prefix_exists ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 297

def check_xcode_prefix_exists
  prefix = MacOS::Xcode.prefix
  return if prefix.nil? || prefix.exist?

  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: <<~EOS,
      You may need to `xcode-select` the proper path if you have moved Xcode.
    EOS
  )
end

#check_xcode_select_path ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 313

def check_xcode_select_path
  return if MacOS::CLT.installed?
  return unless MacOS::Xcode.installed?
  return if File.file?("#{MacOS.active_developer_dir}/usr/bin/xcodebuild")

  path = MacOS::Xcode.bundle_path
  path = "/Developer" if path.nil? || !path.directory?
  commands = ["sudo xcode-select --switch #{path}"]
  ::Homebrew::Diagnostic::Finding.new(
    <<~EOS,
    remediation: ::Homebrew::Diagnostic::Finding::Remediation.new(
      text:     append_indented_list(commands, <<~EOS),
        You should change it to the correct path:
      EOS
      commands:,
    ),
  )
end

#check_xcode_up_to_date ⇒ ::Homebrew::Diagnostic::Finding?

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 'extend/os/mac/diagnostic.rb', line 186

def check_xcode_up_to_date
  return unless MacOS::Xcode.outdated?

  # avoid duplicate very similar messages
  return if MacOS::Xcode.below_minimum_version?

  # CI images are going to end up outdated so don't complain when
  # `brew test-bot` runs `brew doctor` in the CI for the Homebrew/brew
  # repository. This only needs to support whatever CI providers
  # Homebrew/brew is currently using.
  return if GitHub::Actions.env_set?

  remediation = <<~EOS
    Please update to Xcode #{MacOS::Xcode.latest_version} (or delete it).
    #{MacOS::Xcode.update_instructions}
  EOS

  if OS::Mac.version.prerelease?
    current_path = Utils.popen_read("/usr/bin/xcode-select", "-p")
    remediation += <<~EOS
      If #{MacOS::Xcode.latest_version} is installed, you may need to:
        sudo xcode-select --switch /Applications/Xcode.app
      Current developer directory is:
        #{current_path}
    EOS
  end

  ::Homebrew::Diagnostic::Finding.new(
    "Your Xcode (#{MacOS::Xcode.version}) is outdated.",
    tier:        2,
    remediation:,
  )
end

#fatal_build_from_source_checks ⇒ 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.

Returns:



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# File 'extend/os/mac/diagnostic.rb', line 75

def fatal_build_from_source_checks
  %w[
    check_for_installed_developer_tools
    check_xcode_license_approved
    check_xcode_minimum_version
    check_clt_minimum_version
    check_if_xcode_needs_clt_installed
    check_if_supported_sdk_available
  ].freeze
end

#fatal_preinstall_checks ⇒ 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.

Returns:



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# File 'extend/os/mac/diagnostic.rb', line 62

def fatal_preinstall_checks
  checks = %w[
    check_access_directories
  ]

  # We need the developer tools for `codesign` on Intel:
  # https://github.com/Homebrew/brew/issues/23418
  checks << "check_for_installed_developer_tools" unless ::Hardware::CPU.arm?

  checks.freeze
end

#fatal_setup_build_environment_checks ⇒ 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.

Returns:



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# File 'extend/os/mac/diagnostic.rb', line 87

def fatal_setup_build_environment_checks
  %w[
    check_xcode_minimum_version
    check_clt_minimum_version
    check_if_supported_sdk_available
  ].freeze
end

#initialize(verbose: true) ⇒ void

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

Parameters:

  • verbose (Boolean) (defaults to: true) 


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# File 'extend/os/mac/diagnostic.rb', line 56

def initialize(verbose: true)
  super
  @found = T.let([], T::Array[String])
end

#supported_configuration_checks ⇒ 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.

Returns:



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# File 'extend/os/mac/diagnostic.rb', line 96

def supported_configuration_checks
  (super + %w[
    check_for_unsupported_macos
  ]).freeze
end