Модуль: OS::Mac::FormulaCellarChecks Закрытый

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# File 'extend/os/mac/formula_cellar_checks.rb', line 105

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

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# File 'extend/os/mac/formula_cellar_checks.rb', line 77

def check_linkage
  return unless formula.prefix.directory?

  keg = ::Keg.new(formula.prefix)

  CacheStoreDatabase.use(:linkage) do |db|
    typed_db = T.cast(db, CacheStoreDatabase[String, T::Hash[T.any(String, Symbol), T.anything]])
    checker = ::LinkageChecker.new(keg, formula, cache_db: typed_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  #{formula.tap!.issues_url}" : "."}      EOS
    end
    problem_if_output output
  end
end

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# File 'extend/os/mac/formula_cellar_checks.rb', line 38

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

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# File 'extend/os/mac/formula_cellar_checks.rb', line 58

def check_python_framework_links(lib)
  python_modules = ::Pathname.glob lib/"python*/site-packages/**/*.so"
  framework_links = python_modules.select do |obj|
    obj = MachOPathname.wrap(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

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# File 'extend/os/mac/formula_cellar_checks.rb', line 16

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

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# File 'extend/os/mac/formula_cellar_checks.rb', line 143

def valid_library_extension?(filename)
  super || MACOS_LIB_EXTENSIONS.include?(filename.extname)
end