Module: FormulaCellarChecks Private

Extended by:
T::Helpers
Includes:
Kernel
Included in:
FormulaInstaller, Homebrew::FormulaAuditor
Defined in:
extend/os/linux/formula_cellar_checks.rb,
extend/os/mac/formula_cellar_checks.rb,
formula_cellar_checks.rb,
formula_cellar_checks.rbi

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.

Constant Summary collapse

VALID_LIBRARY_EXTENSIONS =

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. 

%w[.a .jnilib .la .o .so .jar .prl .pm .sh].freeze

Instance Method Summary collapse

Methods included from Kernel

#disk_usage_readable, #ensure_executable!, #ensure_formula_installed!, #exec_browser, #exec_editor, #ignore_interrupts, #interactive_shell, #number_readable, #odebug, #odeprecated, #odie, #odisabled, #ofail, #oh1, #oh1_title, #ohai, #ohai_title, #onoe, #opoo, #paths, #pretty_duration, #pretty_installed, #pretty_outdated, #pretty_uninstalled, #quiet_system, #redact_secrets, #redirect_stdout, #require?, #safe_system, #tap_and_name_comparison, #truncate_text_to_approximate_size, #which, #which_all, #which_editor, #with_custom_locale, #with_env, #with_homebrew_path

Instance Method Details

#audit_installed ⇒ void Also known as: generic_audit_installed

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 'extend/os/mac/formula_cellar_checks.rb', line 122

def audit_installed
  generic_audit_installed
  problem_if_output(check_shadowed_headers)
  problem_if_output(check_openssl_links)
  problem_if_output(check_python_framework_links(formula.lib))
  check_linkage
  problem_if_output(check_flat_namespace(formula))
end

#check_binary_arches(formula) ⇒ 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 'formula_cellar_checks.rb', line 351

def check_binary_arches(formula)
  return unless formula.prefix.directory?

  keg = Keg.new(formula.prefix)
  mismatches = {}
  keg.binary_executable_or_library_files.each do |file|
    farch = file.arch
    mismatches[file] = farch if farch != Hardware::CPU.arch
  end
  return if mismatches.empty?

  compatible_universal_binaries, mismatches = mismatches.partition do |file, arch|
    arch == :universal && file.archs.include?(Hardware::CPU.arch)
  end
  # To prevent transformation into nested arrays
  compatible_universal_binaries = compatible_universal_binaries.to_h
  mismatches = mismatches.to_h

  universal_binaries_expected = if (formula_tap = formula.tap).present? && formula_tap.core_tap?
    formula_tap.audit_exception(:universal_binary_allowlist, formula.name)
  else
    true
  end

  mismatches_expected = (formula_tap = formula.tap).blank? ||
                        formula_tap.audit_exception(:mismatched_binary_allowlist, formula.name)
  mismatches_expected = [mismatches_expected] if mismatches_expected.is_a?(String)
  if mismatches_expected.is_a?(Array)
    glob_flags = File::FNM_DOTMATCH | File::FNM_EXTGLOB | File::FNM_PATHNAME
    mismatches.delete_if do |file, _arch|
      mismatches_expected.any? { |pattern| file.fnmatch?("#{formula.prefix.realpath}/#{pattern}", glob_flags) }
    end
    mismatches_expected = false
    return if mismatches.empty? && compatible_universal_binaries.empty?
  end

  return if mismatches.empty? && universal_binaries_expected
  return if compatible_universal_binaries.empty? && mismatches_expected
  return if universal_binaries_expected && mismatches_expected

  s = ""

  if mismatches.present? && !mismatches_expected
    s += <<~EOS
      Binaries built for a non-native architecture were installed into #{formula}'s prefix.
      The offending files are:
        #{mismatches.map { |m| "#{m.first}\t(#{m.last})" } * "\n  "}
    EOS
  end

  if compatible_universal_binaries.present? && !universal_binaries_expected
    s += <<~EOS
      Unexpected universal binaries were found.
      The offending files are:
        #{compatible_universal_binaries.keys * "\n  "}
    EOS
  end

  s
end

#check_cpuid_instruction(formula) ⇒ 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 'formula_cellar_checks.rb', line 310

def check_cpuid_instruction(formula)
  # Checking for `cpuid` only makes sense on Intel:
  # https://en.wikipedia.org/wiki/CPUID
  return unless Hardware::CPU.intel?

  dot_brew_formula = formula.prefix/".brew/#{formula.name}.rb"
  return unless dot_brew_formula.exist?

  return unless dot_brew_formula.read.include? "ENV.runtime_cpu_detection"

  # macOS `objdump` is a bit slow, so we prioritise llvm's `llvm-objdump` (~5.7x faster)
  # or binutils' `objdump` (~1.8x faster) if they are installed.
  objdump   = Formula["llvm"].opt_bin/"llvm-objdump" if Formula["llvm"].any_version_installed?
  objdump ||= Formula["binutils"].opt_bin/"objdump" if Formula["binutils"].any_version_installed?
  objdump ||= which("objdump")
  objdump ||= which("objdump", ORIGINAL_PATHS)

  unless objdump
    return <<~EOS
      No `objdump` found, so cannot check for a `cpuid` instruction. Install `objdump` with
        brew install binutils
    EOS
  end

  keg = Keg.new(formula.prefix)
  return if keg.binary_executable_or_library_files.any? do |file|
    cpuid_instruction?(file, objdump)
  end

  hardlinks = Set.new
  return if formula.lib.directory? && formula.lib.find.any? do |pn|
    next false if pn.symlink? || pn.directory? || pn.extname != ".a"
    next false unless hardlinks.add? [pn.stat.dev, pn.stat.ino]

    cpuid_instruction?(pn, objdump)
  end

  "No `cpuid` instruction detected. #{formula} should not use `ENV.runtime_cpu_detection`."
end

#check_easy_install_pth(lib) ⇒ 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 'formula_cellar_checks.rb', line 140

def check_easy_install_pth(lib)
  pth_found = Dir["#{lib}/python3*/site-packages/easy-install.pth"].map { |f| File.dirname(f) }
  return if pth_found.empty?

  <<~EOS
    'easy-install.pth' files were found.
    These '.pth' files are likely to cause link conflicts.
    Easy install is now deprecated, do not use it.
    The offending files are:
      #{pth_found * "\n  "}
  EOS
end

#check_elisp_dirname(share, name) ⇒ 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 'formula_cellar_checks.rb', line 154

def check_elisp_dirname(share, name)
  return unless (share/"emacs/site-lisp").directory?
  # Emacs itself can do what it wants
  return if name == "emacs"

  bad_dir_name = (share/"emacs/site-lisp").children.any? do |child|
    child.directory? && child.basename.to_s != name
  end

  return unless bad_dir_name

  <<~EOS
    Emacs Lisp files were installed into the wrong "site-lisp" subdirectory.
    They should be installed into:
      #{share}/emacs/site-lisp/#{name}
  EOS
end

#check_elisp_root(share, name) ⇒ 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 'formula_cellar_checks.rb', line 173

def check_elisp_root(share, name)
  return unless (share/"emacs/site-lisp").directory?
  # Emacs itself can do what it wants
  return if name == "emacs"

  elisps = (share/"emacs/site-lisp").children.select do |file|
    Keg::ELISP_EXTENSIONS.include? file.extname
  end
  return if elisps.empty?

  <<~EOS
    Emacs Lisp files were linked directly to "#{HOMEBREW_PREFIX}/share/emacs/site-lisp".
    This may cause conflicts with other packages.
    They should instead be installed into:
      #{share}/emacs/site-lisp/#{name}
    The offending files are:
      #{elisps * "\n  "}
  EOS
end

#check_env_path(bin) ⇒ 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 'formula_cellar_checks.rb', line 19

def check_env_path(bin)
  return if Homebrew::EnvConfig.no_env_hints?

  # warn the user if stuff was installed outside of their PATH
  return unless bin.directory?
  return if bin.children.empty?

  prefix_bin = (HOMEBREW_PREFIX/bin.basename)
  return unless prefix_bin.directory?

  prefix_bin = prefix_bin.realpath
  return if ORIGINAL_PATHS.include? prefix_bin

  <<~EOS
    "#{prefix_bin}" is not in your PATH.
    You can amend this by altering your #{Utils::Shell.profile} file.
  EOS
end

#check_flat_namespace(formula) ⇒ 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 'extend/os/mac/formula_cellar_checks.rb', line 96

def check_flat_namespace(formula)
  return unless formula.prefix.directory?
  return if formula.tap&.audit_exception(:flat_namespace_allowlist, formula.name)

  keg = Keg.new(formula.prefix)
  flat_namespace_files = keg.mach_o_files.reject do |file|
    next true unless file.dylib?

    macho = MachO.open(file)
    if MachO::Utils.fat_magic?(macho.magic)
      macho.machos.map(&:header).all? { |h| h.flag? :MH_TWOLEVEL }
    else
      macho.header.flag? :MH_TWOLEVEL
    end
  end
  return if flat_namespace_files.empty?

  <<~EOS
    Libraries were compiled with a flat namespace.
    This can cause linker errors due to name collisions and
    is often due to a bug in detecting the macOS version.
      #{flat_namespace_files * "\n  "}
  EOS
end

#check_generic_executables(bin) ⇒ 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 'formula_cellar_checks.rb', line 122

def check_generic_executables(bin)
  return unless bin.directory?

  generic_names = %w[service start stop]
  generics = bin.children.select { |g| generic_names.include? g.basename.to_s }
  return if generics.empty?

  <<~EOS
    Generic binaries were installed to "#{bin}".
    Binaries with generic names are likely to conflict with other software.
    Homebrew suggests that this software is installed to "libexec" and then
    symlinked as needed.
    The offending files are:
      #{generics * "\n  "}
  EOS
end

#check_infopages ⇒ 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 'formula_cellar_checks.rb', line 51

def check_infopages
  # Check for info pages that aren't in share/info
  return unless (formula.prefix/"info").directory?

  <<~EOS
    A top-level "info" directory was found.
    Homebrew suggests that info pages live under "share".
    This can often be fixed by passing `--infodir=\#{info}` to `configure`.
  EOS
end

#check_jars ⇒ 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 'formula_cellar_checks.rb', line 63

def check_jars
  return unless formula.lib.directory?

  jars = formula.lib.children.select { |g| g.extname == ".jar" }
  return if jars.empty?

  <<~EOS
    JARs were installed to "#{formula.lib}".
    Installing JARs to "lib" can cause conflicts between packages.
    For Java software, it is typically better for the formula to
    install to "libexec" and then symlink or wrap binaries into "bin".
    See formulae 'activemq', 'jruby', etc. for examples.
    The offending files are:
      #{jars * "\n  "}
  EOS
end

#check_linkage ⇒ 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 'extend/os/mac/formula_cellar_checks.rb', line 69

def check_linkage
  return unless formula.prefix.directory?

  keg = Keg.new(formula.prefix)

  CacheStoreDatabase.use(:linkage) do |db|
    checker = LinkageChecker.new(keg, formula, cache_db: db)
    next unless checker.broken_library_linkage?

    output = <<~EOS
      #{formula} has broken dynamic library links:
        #{checker.display_test_output}
    EOS

    tab = keg.tab
    if tab.poured_from_bottle
      output += <<~EOS
        Rebuild this from source with:
          brew reinstall --build-from-source #{formula}
        If that's successful, file an issue#{formula.tap ? " here:\n  #{T.must(formula.tap).issues_url}" : "."}
      EOS
    end
    problem_if_output output
  end
end

#check_manpages ⇒ 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 'formula_cellar_checks.rb', line 39

def check_manpages
  # Check for man pages that aren't in share/man
  return unless (formula.prefix/"man").directory?

  <<~EOS
    A top-level "man" directory was found.
    Homebrew requires that man pages live under "share".
    This can often be fixed by passing `--mandir=\#{man}` to `configure`.
  EOS
end

#check_non_executables(bin) ⇒ 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 'formula_cellar_checks.rb', line 108

def check_non_executables(bin)
  return unless bin.directory?

  non_exes = bin.children.select { |g| g.directory? || !g.executable? }
  return if non_exes.empty?

  <<~EOS
    Non-executables were installed to "#{bin}".
    The offending files are:
      #{non_exes * "\n  "}
  EOS
end

#check_non_libraries ⇒ 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 'formula_cellar_checks.rb', line 89

def check_non_libraries
  return unless formula.lib.directory?

  non_libraries = formula.lib.children.reject do |g|
    next true if g.directory?

    valid_library_extension? g
  end
  return if non_libraries.empty?

  <<~EOS
    Non-libraries were installed to "#{formula.lib}".
    Installing non-libraries to "lib" is discouraged.
    The offending files are:
      #{non_libraries * "\n  "}
  EOS
end

#check_openssl_links ⇒ 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/formula_cellar_checks.rb', line 31

def check_openssl_links
  return unless formula.prefix.directory?

  keg = Keg.new(formula.prefix)
  system_openssl = keg.mach_o_files.select do |obj|
    dlls = obj.dynamically_linked_libraries
    dlls.any? { |dll| %r{/usr/lib/lib(crypto|ssl|tls)\..*dylib}.match? dll }
  end
  return if system_openssl.empty?

  <<~EOS
    object files were linked against system openssl
    These object files were linked against the deprecated system OpenSSL or
    the system's private LibreSSL.
    Adding `depends_on "openssl"` to the formula may help.
      #{system_openssl * "\n  "}
  EOS
end

#check_plist(prefix, plist) ⇒ 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 'formula_cellar_checks.rb', line 252

def check_plist(prefix, plist)
  return unless prefix.directory?

  plist = begin
    Plist.parse_xml(plist, marshal: false)
  rescue
    nil
  end
  return if plist.blank?

  program_location = plist["ProgramArguments"]&.first
  key = "first ProgramArguments value"
  if program_location.blank?
    program_location = plist["Program"]
    key = "Program"
  end
  return if program_location.blank?

  Dir.chdir("/") do
    unless File.exist?(program_location)
      return <<~EOS
        The plist "#{key}" does not exist:
          #{program_location}
      EOS
    end

    return if File.executable?(program_location)
  end

  <<~EOS
    The plist "#{key}" is not executable:
      #{program_location}
  EOS
end

#check_python_framework_links(lib) ⇒ 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 'extend/os/mac/formula_cellar_checks.rb', line 51

def check_python_framework_links(lib)
  python_modules = Pathname.glob lib/"python*/site-packages/**/*.so"
  framework_links = python_modules.select do |obj|
    dlls = obj.dynamically_linked_libraries
    dlls.any? { |dll| dll.include?("Python.framework") }
  end
  return if framework_links.empty?

  <<~EOS
    python modules have explicit framework links
    These python extension modules were linked directly to a Python
    framework binary. They should be linked with -undefined dynamic_lookup
    instead of -lpython or -framework Python.
      #{framework_links * "\n  "}
  EOS
end

#check_python_packages(lib, 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 'formula_cellar_checks.rb', line 193

def check_python_packages(lib, deps)
  return unless lib.directory?

  lib_subdirs = lib.children
                   .select(&:directory?)
                   .map(&:basename)

  pythons = lib_subdirs.filter_map do |p|
    match = p.to_s.match(/^python(\d+\.\d+)$/)
    next if match.blank?
    next if match.captures.blank?

    match.captures.first
  end

  return if pythons.blank?

  python_deps = deps.map(&:name)
                    .grep(/^python(@.*)?$/)
                    .filter_map { |d| Formula[d].version.to_s[/^\d+\.\d+/] }

  return if python_deps.blank?
  return if pythons.any? { |v| python_deps.include? v }

  pythons = pythons.map { |v| "Python #{v}" }
  python_deps = python_deps.map { |v| "Python #{v}" }

  <<~EOS
    Packages have been installed for:
      #{pythons * "\n  "}
    but this formula depends on:
      #{python_deps * "\n  "}
  EOS
end

#check_python_symlinks(name, keg_only) ⇒ 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:

  • name (String)
  • keg_only (Boolean)

Returns:



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# File 'formula_cellar_checks.rb', line 288

def check_python_symlinks(name, keg_only)
  return unless keg_only
  return unless name.start_with? "python"

  return if %w[pip3 wheel3].none? do |l|
    link = HOMEBREW_PREFIX/"bin"/l
    link.exist? && File.realpath(link).start_with?(HOMEBREW_CELLAR/name)
  end

  "Python formulae that are keg-only should not create `pip3` and `wheel3` symlinks."
end

#check_service_command(formula) ⇒ 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 'formula_cellar_checks.rb', line 301

def check_service_command(formula)
  return unless formula.prefix.directory?
  return unless formula.service?
  return unless formula.service.command?

  "Service command does not exist" unless File.exist?(formula.service.command.first)
end

#check_shadowed_headers ⇒ 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/formula_cellar_checks.rb', line 9

def check_shadowed_headers
  return if ["libtool", "subversion", "berkeley-db"].any? do |formula_name|
    formula.name.start_with?(formula_name)
  end

  return if formula.name.match?(Version.formula_optionally_versioned_regex(:php))
  return if formula.keg_only? || !formula.include.directory?

  files  = relative_glob(formula.include, "**/*.h")
  files &= relative_glob("#{MacOS.sdk_path}/usr/include", "**/*.h")
  files.map! { |p| File.join(formula.include, p) }

  return if files.empty?

  <<~EOS
    Header files that shadow system header files were installed to "#{formula.include}"
    The offending files are:
      #{files * "\n  "}
  EOS
end

#check_shim_references(prefix) ⇒ 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 'formula_cellar_checks.rb', line 229

def check_shim_references(prefix)
  return unless prefix.directory?

  keg = Keg.new(prefix)

  matches = []
  keg.each_unique_file_matching(HOMEBREW_SHIMS_PATH) do |f|
    match = f.relative_path_from(keg.to_path)

    next if match.to_s.match? %r{^share/doc/.+?/INFO_BIN$}

    matches << match
  end

  return if matches.empty?

  <<~EOS
    Files were found with references to the Homebrew shims directory.
    The offending files are:
      #{matches * "\n  "}
  EOS
end

#formula ⇒ Formula

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 is abstract.

Returns:



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# File 'formula_cellar_checks.rb', line 13

def formula; end

#problem_if_output(output) ⇒ 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 is abstract.

This method returns an undefined value.

Parameters:



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# File 'formula_cellar_checks.rb', line 16

def problem_if_output(output); end

#valid_library_extension?(filename) ⇒ Boolean Also known as: generic_valid_library_extension?

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

Parameters:

Returns:

  • (Boolean) 


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# File 'extend/os/mac/formula_cellar_checks.rb', line 132

def valid_library_extension?(filename)
  macos_lib_extensions = %w[.dylib .framework]
  generic_valid_library_extension?(filename) || macos_lib_extensions.include?(filename.extname)
end