Merge pull request #20120 from Homebrew/remove_alias_generic

Remove `alias generic_*` definitions in favour of using `super`

Library/Homebrew/api/analytics.rb

@@ -10,7 +10,6 @@ module Homebrew
         def analytics_api_path
           "analytics"
         end
-        alias generic_analytics_api_path analytics_api_path
 
         sig { params(category: String, days: T.any(Integer, String)).returns(T::Hash[String, T.untyped]) }
         def fetch(category, days)

Library/Homebrew/dev-cmd/update-test.rb

@@ -142,6 +142,7 @@ module Homebrew
 
       private
 
+      sig { returns(String) }
       def git_tags
         tags = Utils.popen_read("git", "tag", "--list", "--sort=-version:refname")
         if tags.blank?

Library/Homebrew/diagnostic.rb

@@ -350,7 +350,6 @@ module Homebrew
             sudo chmod +t #{HOMEBREW_TEMP}
         EOS
       end
-      alias generic_check_tmpdir_sticky_bit check_tmpdir_sticky_bit
 
       def check_exist_directories
         return if HOMEBREW_PREFIX.writable?

Library/Homebrew/extend/ENV/shared.rb

@@ -54,8 +54,6 @@ module SharedEnvExtension
     @debug_symbols = debug_symbols
     reset
   end
-  alias generic_shared_setup_build_environment setup_build_environment
-  private :generic_shared_setup_build_environment
 
   sig { void }
   def reset

Library/Homebrew/extend/ENV/std.rb

@@ -68,7 +68,6 @@ module Stdenv
     gcc_formula = gcc_version_formula(cc)
     append_path "PATH", gcc_formula.opt_bin.to_s
   end
-  alias generic_setup_build_environment setup_build_environment
 
   sig { returns(T.nilable(PATH)) }
   def determine_pkg_config_libdir

Library/Homebrew/extend/ENV/super.rb

@@ -125,7 +125,6 @@ module Superenv
     # These flags will also be present:
     # a - apply fix for apr-1-config path
   end
-  alias generic_setup_build_environment setup_build_environment
 
   private
 
@@ -152,7 +151,6 @@ module Superenv
         .reverse
         .map { |d| d.opt_libexec/"bin" }
   end
-  alias generic_homebrew_extra_paths homebrew_extra_paths
 
   sig { returns(T.nilable(PATH)) }
   def determine_path
@@ -372,8 +370,8 @@ module Superenv
     append_to_cccfg "O"
   end
 
+  # This is an exception where we want to use this method name format.
   # rubocop: disable Naming/MethodName
-  # Fixes style error `Naming/MethodName: Use snake_case for method names.`
   sig { params(block: T.nilable(T.proc.void)).void }
   def O0(&block)
     if block

Library/Homebrew/extend/os/linux/dev-cmd/update-test.rb

@@ -1,19 +1,19 @@
 # typed: strict
 # frozen_string_literal: true
 
-module Homebrew
+module OS
+  module Linux
     module DevCmd
-    class UpdateTest < AbstractCommand
+      module UpdateTest
-      alias generic_git_tags git_tags
-
         private
 
         sig { returns(String) }
         def git_tags
-        tags = generic_git_tags
+          super.presence || Utils.popen_read("git tag --list | sort -rV")
-        tags = Utils.popen_read("git tag --list | sort -rV") if tags.blank?
-        tags
         end
       end
     end
   end
+end
+
+Homebrew::DevCmd::UpdateTest.prepend(OS::Linux::DevCmd::UpdateTest)

Library/Homebrew/extend/os/linux/development_tools.rb

@@ -62,7 +62,7 @@ module OS
       def build_system_info
         super.merge({
           "glibc_version"     => OS::Linux::Glibc.version.to_s.presence,
-          "oldest_cpu_family" => Hardware.oldest_cpu.to_s,
+          "oldest_cpu_family" => ::Hardware.oldest_cpu.to_s,
         })
       end
     end

Library/Homebrew/extend/os/linux/diagnostic.rb

@@ -32,7 +32,7 @@ module OS
         end
 
         def check_tmpdir_sticky_bit
-          message = generic_check_tmpdir_sticky_bit
+          message = super
           return if message.nil?
 
           message + <<~EOS
@@ -74,11 +74,11 @@ module OS
         end
 
         def check_supported_architecture
-          return if Hardware::CPU.intel?
+          return if ::Hardware::CPU.intel?
-          return if Homebrew::EnvConfig.developer? && ENV["HOMEBREW_ARM64_TESTING"].present? && Hardware::CPU.arm?
+          return if Homebrew::EnvConfig.developer? && ENV["HOMEBREW_ARM64_TESTING"].present? && ::Hardware::CPU.arm?
 
           <<~EOS
-            Your CPU architecture (#{Hardware::CPU.arch}) is not supported. We only support
+            Your CPU architecture (#{::Hardware::CPU.arch}) is not supported. We only support
             x86_64 CPU architectures. You will be unable to use binary packages (bottles).
 
             #{support_tier_message(tier: 2)}

Library/Homebrew/extend/os/linux/extend/ENV/shared.rb

@@ -1,16 +1,22 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Linux
     module SharedEnvExtension
       def effective_arch
         if @build_bottle && @bottle_arch
           @bottle_arch.to_sym
         elsif @build_bottle
-      Hardware.oldest_cpu
+          ::Hardware.oldest_cpu
-    elsif Hardware::CPU.intel? || Hardware::CPU.arm?
+        elsif ::Hardware::CPU.intel? || ::Hardware::CPU.arm?
           :native
         else
           :dunno
         end
       end
     end
+  end
+end
+
+SharedEnvExtension.prepend(OS::Linux::SharedEnvExtension)

Library/Homebrew/extend/os/linux/extend/ENV/std.rb

@@ -1,10 +1,16 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Linux
     module Stdenv
+      extend T::Helpers
+
+      requires_ancestor { ::SharedEnvExtension }
+
       sig {
         params(
-      formula:         T.nilable(Formula),
+          formula:         T.nilable(::Formula),
           cc:              T.nilable(String),
           build_bottle:    T.nilable(T::Boolean),
           bottle_arch:     T.nilable(String),
@@ -12,10 +18,9 @@ module Stdenv
           debug_symbols:   T.nilable(T::Boolean),
         ).void
       }
-  def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil, testing_formula: false,
+      def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil,
-                              debug_symbols: false)
+                                  testing_formula: false, debug_symbols: false)
-    generic_setup_build_environment(formula:, cc:, build_bottle:, bottle_arch:,
+        super
-                                    testing_formula:, debug_symbols:)
 
         prepend_path "CPATH", HOMEBREW_PREFIX/"include"
         prepend_path "LIBRARY_PATH", HOMEBREW_PREFIX/"lib"
@@ -29,8 +34,12 @@ module Stdenv
       end
 
       def libxml2
-    append "CPPFLAGS", "-I#{Formula["libxml2"].include/"libxml2"}"
+        append "CPPFLAGS", "-I#{::Formula["libxml2"].include/"libxml2"}"
       rescue FormulaUnavailableError
         nil
       end
     end
+  end
+end
+
+Stdenv.prepend(OS::Linux::Stdenv)

Library/Homebrew/extend/os/linux/extend/ENV/super.rb

@@ -1,16 +1,25 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Linux
     module Superenv
+      extend T::Helpers
+
+      requires_ancestor { SharedEnvExtension }
+      requires_ancestor { ::Superenv }
+
+      module ClassMethods
         sig { returns(Pathname) }
-  def self.shims_path
+        def shims_path
           HOMEBREW_SHIMS_PATH/"linux/super"
         end
 
         sig { returns(T.nilable(Pathname)) }
-  def self.bin
+        def bin
           shims_path.realpath
         end
+      end
 
       sig {
         params(
@@ -22,10 +31,10 @@ module Superenv
           debug_symbols:   T.nilable(T::Boolean),
         ).void
       }
-  def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil, testing_formula: false,
+      def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil,
-                              debug_symbols: false)
+                                  testing_formula: false, debug_symbols: false)
-    generic_setup_build_environment(formula:, cc:, build_bottle:, bottle_arch:,
+        super
-                                    testing_formula:, debug_symbols:)
+
         self["HOMEBREW_OPTIMIZATION_LEVEL"] = "O2"
         self["HOMEBREW_DYNAMIC_LINKER"] = determine_dynamic_linker_path
         self["HOMEBREW_RPATH_PATHS"] = determine_rpath_paths(@formula)
@@ -35,11 +44,11 @@ module Superenv
         # Pointer authentication and BTI are hardening techniques most distros
         # use by default on their packages. arm64 Linux we're packaging
         # everything from scratch so the entire dependency tree can have it.
-    append_to_cccfg "b" if Hardware::CPU.arch == :arm64 && DevelopmentTools.gcc_version("gcc") >= 9
+        append_to_cccfg "b" if ::Hardware::CPU.arch == :arm64 && ::DevelopmentTools.gcc_version("gcc") >= 9
       end
 
       def homebrew_extra_paths
-    paths = generic_homebrew_extra_paths
+        paths = super
         paths += %w[binutils make].filter_map do |f|
           bin = Formulary.factory(f).opt_bin
           bin if bin.directory?
@@ -77,3 +86,8 @@ module Superenv
         path
       end
     end
+  end
+end
+
+Superenv.singleton_class.prepend(OS::Linux::Superenv::ClassMethods)
+Superenv.prepend(OS::Linux::Superenv)

Library/Homebrew/extend/os/linux/formula_cellar_checks.rb

@@ -1,9 +1,15 @@
 # typed: strict
 # frozen_string_literal: true
 
+module OS
+  module Linux
     module FormulaCellarChecks
       sig { params(filename: Pathname).returns(T::Boolean) }
       def valid_library_extension?(filename)
-    generic_valid_library_extension?(filename) || filename.basename.to_s.include?(".so.")
+        super || filename.basename.to_s.include?(".so.")
       end
     end
+  end
+end
+
+FormulaCellarChecks.prepend(OS::Linux::FormulaCellarChecks)

Library/Homebrew/extend/os/linux/hardware/cpu.rb

@@ -1,12 +1,18 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Linux
     module Hardware
-  class CPU
+      module CPU
-    class << self
+        module ClassMethods
+          extend T::Helpers
+
+          requires_ancestor { T.class_of(::Hardware::CPU) }
+
           def optimization_flags
             @optimization_flags ||= begin
-          flags = generic_optimization_flags.dup
+              flags = super.dup
               flags[:native] = arch_flag(Homebrew::EnvConfig.arch)
               flags
             end
@@ -138,7 +144,7 @@ module Hardware
 
           %w[aes altivec avx avx2 lm ssse3 sse4_2].each do |flag|
             define_method(:"#{flag}?") do
-          T.bind(self, T.class_of(Hardware::CPU))
+              T.bind(self, OS::Linux::Hardware::CPU::ClassMethods)
               flags.include? flag
             end
           end
@@ -159,3 +165,7 @@ module Hardware
         end
       end
     end
+  end
+end
+
+Hardware::CPU.singleton_class.prepend(OS::Linux::Hardware::CPU::ClassMethods)

Library/Homebrew/extend/os/linux/install.rb

@@ -1,8 +1,10 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
-module Homebrew
+module OS
+  module Linux
     module Install
+      module ClassMethods
         # This is a list of known paths to the host dynamic linker on Linux if
         # the host glibc is new enough. The symlink_ld_so method will fail if
         # the host linker cannot be found in this list.
@@ -16,7 +18,6 @@ module Homebrew
           /system/bin/linker64
           /system/bin/linker
         ].freeze
-    private_constant :DYNAMIC_LINKERS
 
         # We link GCC runtime libraries that are not specifically used for Fortran,
         # which are linked by the GCC formula. We only use the versioned shared libraries
@@ -28,44 +29,41 @@ module Homebrew
           libgomp.so.1
           libstdc++.so.6
         ].freeze
-    private_constant :GCC_RUNTIME_LIBS
 
-    def self.perform_preinstall_checks(all_fatal: false)
+        def perform_preinstall_checks(all_fatal: false)
-      generic_perform_preinstall_checks(all_fatal:)
+          super
-      symlink_ld_so
-      setup_preferred_gcc_libs
-    end
-    private_class_method :perform_preinstall_checks
-
-    def self.global_post_install
-      generic_global_post_install
           symlink_ld_so
           setup_preferred_gcc_libs
         end
 
-    def self.check_cpu
+        def global_post_install
-      return if Hardware::CPU.intel? && Hardware::CPU.is_64_bit?
+          super
-      return if Hardware::CPU.arm?
+          symlink_ld_so
+          setup_preferred_gcc_libs
+        end
+
+        def check_cpu
+          return if ::Hardware::CPU.intel? && ::Hardware::CPU.is_64_bit?
+          return if ::Hardware::CPU.arm?
 
           message = "Sorry, Homebrew does not support your computer's CPU architecture!"
-      if Hardware::CPU.ppc64le?
+          if ::Hardware::CPU.ppc64le?
             message += <<~EOS
               For OpenPOWER Linux (PPC64LE) support, see:
                 #{Formatter.url("https://github.com/homebrew-ppc64le/brew")}
             EOS
           end
-      abort message
+          ::Kernel.abort message
         end
-    private_class_method :check_cpu
 
-    def self.symlink_ld_so
+        def symlink_ld_so
           brew_ld_so = HOMEBREW_PREFIX/"lib/ld.so"
 
           ld_so = HOMEBREW_PREFIX/"opt/glibc/bin/ld.so"
           unless ld_so.readable?
             ld_so = DYNAMIC_LINKERS.find { |s| File.executable? s }
             if ld_so.blank?
-          raise "Unable to locate the system's dynamic linker" unless brew_ld_so.readable?
+              ::Kernel.raise "Unable to locate the system's dynamic linker" unless brew_ld_so.readable?
 
               return
             end
@@ -76,9 +74,8 @@ module Homebrew
           FileUtils.mkdir_p HOMEBREW_PREFIX/"lib"
           FileUtils.ln_sf ld_so, brew_ld_so
         end
-    private_class_method :symlink_ld_so
 
-    def self.setup_preferred_gcc_libs
+        def setup_preferred_gcc_libs
           gcc_opt_prefix = HOMEBREW_PREFIX/"opt/#{OS::LINUX_PREFERRED_GCC_RUNTIME_FORMULA}"
           glibc_installed = (HOMEBREW_PREFIX/"opt/glibc/bin/ld.so").readable?
 
@@ -103,10 +100,10 @@ module Homebrew
               FileUtils.chmod "u=rw,go-wx", ld_gcc_conf
 
               FileUtils.rm_f HOMEBREW_PREFIX/"etc/ld.so.cache"
-          system HOMEBREW_PREFIX/"opt/glibc/sbin/ldconfig"
+              ::Kernel.system HOMEBREW_PREFIX/"opt/glibc/sbin/ldconfig"
             end
           else
-        odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
+            ::Kernel.odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
           end
 
           GCC_RUNTIME_LIBS.each do |library|
@@ -127,6 +124,9 @@ module Homebrew
             end
           end
         end
-    private_class_method :setup_preferred_gcc_libs
       end
     end
+  end
+end
+
+Homebrew::Install.singleton_class.prepend(OS::Linux::Install::ClassMethods)

Library/Homebrew/extend/os/linux/linkage_checker.rb

@@ -3,7 +3,9 @@
 
 require "compilers"
 
-class LinkageChecker
+module OS
+  module Linux
+    module LinkageChecker
       # Libraries provided by glibc and gcc.
       SYSTEM_LIBRARY_ALLOWLIST = %w[
         ld-linux-x86-64.so.2
@@ -29,7 +31,7 @@ class LinkageChecker
       private
 
       def check_dylibs(rebuild_cache:)
-    generic_check_dylibs(rebuild_cache:)
+        super
 
         # glibc and gcc are implicit dependencies.
         # No other linkage to system libraries is expected or desired.
@@ -39,7 +41,8 @@ class LinkageChecker
 
         # We build all formulae with an RPATH that includes the gcc formula's runtime lib directory.
         # See: https://github.com/Homebrew/brew/blob/e689cc07/Library/Homebrew/extend/os/linux/extend/ENV/super.rb#L53
-    # This results in formulae showing linkage with gcc whenever it is installed, even if no dependency is declared.
+        # This results in formulae showing linkage with gcc whenever it is installed, even if no dependency is
+        # declared.
         # See discussions at:
         #   https://github.com/Homebrew/brew/pull/13659
         #   https://github.com/Homebrew/brew/pull/13796
@@ -48,3 +51,7 @@ class LinkageChecker
         @indirect_deps.delete("gcc")
       end
     end
+  end
+end
+
+LinkageChecker.prepend(OS::Linux::LinkageChecker)

Library/Homebrew/extend/os/linux/system_config.rb

@@ -5,12 +5,14 @@ require "compilers"
 require "os/linux/glibc"
 require "system_command"
 
+module OS
+  module Linux
     module SystemConfig
+      module ClassMethods
         include SystemCommand::Mixin
 
         HOST_RUBY_PATH = "/usr/bin/ruby"
 
-  class << self
         def host_glibc_version
           version = OS::Linux::Glibc.system_version
           return "N/A" if version.null?
@@ -19,10 +21,10 @@ module SystemConfig
         end
 
         def host_gcc_version
-      gcc = DevelopmentTools.host_gcc_path
+          gcc = ::DevelopmentTools.host_gcc_path
           return "N/A" unless gcc.executable?
 
-      `#{gcc} --version 2>/dev/null`[/ (\d+\.\d+\.\d+)/, 1]
+          Utils.popen_read(gcc, "--version")[/ (\d+\.\d+\.\d+)/, 1]
         end
 
         def formula_linked_version(formula)
@@ -42,12 +44,12 @@ module SystemConfig
 
         def dump_verbose_config(out = $stdout)
           kernel = Utils.safe_popen_read("uname", "-mors").chomp
-      dump_generic_verbose_config(out)
+          super
           out.puts "Kernel: #{kernel}"
           out.puts "OS: #{OS::Linux.os_version}"
           out.puts "WSL: #{OS::Linux.wsl_version}" if OS::Linux.wsl?
           out.puts "Host glibc: #{host_glibc_version}"
-      out.puts "#{DevelopmentTools.host_gcc_path}: #{host_gcc_version}"
+          out.puts "#{::DevelopmentTools.host_gcc_path}: #{host_gcc_version}"
           out.puts "/usr/bin/ruby: #{host_ruby_version}" if RUBY_PATH != HOST_RUBY_PATH
           ["glibc", CompilerSelector.preferred_gcc, OS::LINUX_PREFERRED_GCC_RUNTIME_FORMULA, "xorg"].each do |f|
             out.puts "#{f}: #{formula_linked_version(f)}"
@@ -55,3 +57,7 @@ module SystemConfig
         end
       end
     end
+  end
+end
+
+SystemConfig.singleton_class.prepend(OS::Linux::SystemConfig::ClassMethods)

Library/Homebrew/extend/os/mac/extend/ENV/shared.rb

@@ -1,10 +1,16 @@
 # typed: strict
 # frozen_string_literal: true
 
+module OS
+  module Mac
     module SharedEnvExtension
+      extend T::Helpers
+
+      requires_ancestor { ::SharedEnvExtension }
+
       sig {
         params(
-      formula:         T.nilable(Formula),
+          formula:         T.nilable(::Formula),
           cc:              T.nilable(String),
           build_bottle:    T.nilable(T::Boolean),
           bottle_arch:     T.nilable(String),
@@ -12,11 +18,9 @@ module SharedEnvExtension
           debug_symbols:   T.nilable(T::Boolean),
         ).void
       }
-  def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil, testing_formula: false,
+      def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil,
-                              debug_symbols: false)
+                                  testing_formula: false, debug_symbols: false)
-    generic_shared_setup_build_environment(formula:, cc:, build_bottle:,
+        super
-                                           bottle_arch:, testing_formula:,
-                                           debug_symbols:)
 
         # Normalise the system Perl version used, where multiple may be available
         self["VERSIONER_PERL_VERSION"] = MacOS.preferred_perl_version
@@ -40,3 +44,7 @@ module SharedEnvExtension
         OS::Mac::DevelopmentTools.ld64_version >= 711
       end
     end
+  end
+end
+
+SharedEnvExtension.prepend(OS::Mac::SharedEnvExtension)

Library/Homebrew/extend/os/mac/extend/ENV/std.rb

@@ -1,8 +1,13 @@
 # typed: true # rubocop:disable Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Mac
     module Stdenv
-  undef homebrew_extra_pkg_config_paths
+      extend T::Helpers
+
+      requires_ancestor { SharedEnvExtension }
+      requires_ancestor { ::Stdenv }
 
       sig { returns(T::Array[Pathname]) }
       def homebrew_extra_pkg_config_paths
@@ -20,10 +25,9 @@ module Stdenv
           debug_symbols:   T.nilable(T::Boolean),
         ).void
       }
-  def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil, testing_formula: false,
+      def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil,
-                              debug_symbols: false)
+                                  testing_formula: false, debug_symbols: false)
-    generic_setup_build_environment(formula:, cc:, build_bottle:, bottle_arch:,
+        super
-                                    testing_formula:, debug_symbols:)
 
         append "LDFLAGS", "-Wl,-headerpad_max_install_names"
 
@@ -115,3 +119,7 @@ module Stdenv
         append "LDFLAGS", "-Wl,-no_fixup_chains" if no_fixup_chains_support?
       end
     end
+  end
+end
+
+Stdenv.prepend(OS::Mac::Stdenv)

Library/Homebrew/extend/os/mac/extend/ENV/super.rb

@@ -1,34 +1,32 @@
 # typed: true # rubocop:disable Sorbet/StrictSigil
 # frozen_string_literal: true
 
+module OS
+  module Mac
     module Superenv
-  class << self
+      extend T::Helpers
-    # The location of Homebrew's shims on macOS.
+
+      requires_ancestor { SharedEnvExtension }
+      requires_ancestor { ::Superenv }
+
+      module ClassMethods
+        sig { returns(Pathname) }
         def shims_path
           HOMEBREW_SHIMS_PATH/"mac/super"
         end
 
-    undef bin
+        sig { returns(T.nilable(Pathname)) }
-
         def bin
-      return unless DevelopmentTools.installed?
+          return unless ::DevelopmentTools.installed?
 
           shims_path.realpath
         end
       end
 
-  undef homebrew_extra_pkg_config_paths,
-        homebrew_extra_isystem_paths, homebrew_extra_library_paths,
-        homebrew_extra_cmake_include_paths,
-        homebrew_extra_cmake_library_paths,
-        homebrew_extra_cmake_frameworks_paths,
-        determine_cccfg
-
       sig { returns(T::Array[Pathname]) }
       def homebrew_extra_pkg_config_paths
         [Pathname("/usr/lib/pkgconfig"), Pathname("#{HOMEBREW_LIBRARY}/Homebrew/os/mac/pkgconfig/#{MacOS.version}")]
       end
-  private :homebrew_extra_pkg_config_paths
 
       sig { returns(T::Boolean) }
       def libxml2_include_needed?
@@ -37,7 +35,6 @@ module Superenv
 
         true
       end
-  private :libxml2_include_needed?
 
       def homebrew_extra_isystem_paths
         paths = []
@@ -51,7 +48,7 @@ module Superenv
         paths = []
         if compiler == :llvm_clang
           paths << "#{self["HOMEBREW_SDKROOT"]}/usr/lib"
-      paths << Formula["llvm"].opt_lib.to_s
+          paths << ::Formula["llvm"].opt_lib.to_s
         end
         paths << "#{self["HOMEBREW_SDKROOT"]}/System/Library/Frameworks/OpenGL.framework/Versions/Current/Libraries"
         paths
@@ -66,7 +63,8 @@ module Superenv
       end
 
       def homebrew_extra_cmake_library_paths
-    [Pathname("#{self["HOMEBREW_SDKROOT"]}/System/Library/Frameworks/OpenGL.framework/Versions/Current/Libraries")]
+        brew_sdkroot = self["HOMEBREW_SDKROOT"]
+        [Pathname("#{brew_sdkroot}/System/Library/Frameworks/OpenGL.framework/Versions/Current/Libraries")]
       end
 
       def homebrew_extra_cmake_frameworks_paths
@@ -83,8 +81,8 @@ module Superenv
       end
 
       # @private
-  def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil, testing_formula: false,
+      def setup_build_environment(formula: nil, cc: nil, build_bottle: false, bottle_arch: nil,
-                              debug_symbols: false)
+                                  testing_formula: false, debug_symbols: false)
         sdk = formula ? MacOS.sdk_for_formula(formula) : MacOS.sdk
         is_xcode_sdk = sdk&.source == :xcode
 
@@ -105,12 +103,11 @@ module Superenv
         if deps.none? { |d| d.name == "m4" } &&
            MacOS.active_developer_dir == MacOS::CLT::PKG_PATH &&
            !File.exist?("#{MacOS::CLT::PKG_PATH}/usr/bin/m4") &&
-       (gm4 = DevelopmentTools.locate("gm4").to_s).present?
+           (gm4 = ::DevelopmentTools.locate("gm4").to_s).present?
           self["M4"] = gm4
         end
 
-    generic_setup_build_environment(formula:, cc:, build_bottle:, bottle_arch:,
+        super
-                                    testing_formula:, debug_symbols:)
 
         # Filter out symbols known not to be defined since GNU Autotools can't
         # reliably figure this out with Xcode 8 and above.
@@ -169,3 +166,8 @@ module Superenv
         append_to_cccfg "f" if no_fixup_chains_support?
       end
     end
+  end
+end
+
+Superenv.singleton_class.prepend(OS::Mac::Superenv::ClassMethods)
+Superenv.prepend(OS::Mac::Superenv)

Library/Homebrew/extend/os/mac/formula_cellar_checks.rb

@@ -4,7 +4,14 @@
 require "cache_store"
 require "linkage_checker"
 
+module OS
+  module Mac
     module FormulaCellarChecks
+      extend T::Helpers
+
+      requires_ancestor { Homebrew::FormulaAuditor }
+      requires_ancestor { ::FormulaCellarChecks }
+
       sig { returns(T.nilable(String)) }
       def check_shadowed_headers
         return if ["libtool", "subversion", "berkeley-db"].any? do |formula_name|
@@ -31,7 +38,7 @@ module FormulaCellarChecks
       def check_openssl_links
         return unless formula.prefix.directory?
 
-    keg = Keg.new(formula.prefix)
+        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 }
@@ -69,10 +76,10 @@ module FormulaCellarChecks
       def check_linkage
         return unless formula.prefix.directory?
 
-    keg = Keg.new(formula.prefix)
+        keg = ::Keg.new(formula.prefix)
 
         CacheStoreDatabase.use(:linkage) do |db|
-      checker = LinkageChecker.new(keg, formula, cache_db: db)
+          checker = ::LinkageChecker.new(keg, formula, cache_db: db)
           next unless checker.broken_library_linkage?
 
           output = <<~EOS
@@ -85,14 +92,14 @@ module FormulaCellarChecks
             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}" : "."}
+              If that's successful, file an issue#{formula.tap ? " here:\n  #{formula.tap.issues_url}" : "."}
             EOS
           end
           problem_if_output output
         end
       end
 
-  sig { params(formula: Formula).returns(T.nilable(String)) }
+      sig { params(formula: ::Formula).returns(T.nilable(String)) }
       def check_flat_namespace(formula)
         return unless formula.prefix.directory?
         return if formula.tap&.audit_exception(:flat_namespace_allowlist, formula.name)
@@ -120,7 +127,7 @@ module FormulaCellarChecks
 
       sig { void }
       def audit_installed
-    generic_audit_installed
+        super
         problem_if_output(check_shadowed_headers)
         problem_if_output(check_openssl_links)
         problem_if_output(check_python_framework_links(formula.lib))
@@ -128,9 +135,14 @@ module FormulaCellarChecks
         problem_if_output(check_flat_namespace(formula))
       end
 
+      MACOS_LIB_EXTENSIONS = %w[.dylib .framework].freeze
+
       sig { params(filename: Pathname).returns(T::Boolean) }
       def valid_library_extension?(filename)
-    macos_lib_extensions = %w[.dylib .framework]
+        super || MACOS_LIB_EXTENSIONS.include?(filename.extname)
-    generic_valid_library_extension?(filename) || macos_lib_extensions.include?(filename.extname)
       end
     end
+  end
+end
+
+FormulaCellarChecks.prepend(OS::Mac::FormulaCellarChecks)

Library/Homebrew/extend/os/mac/hardware.rb

@@ -1,15 +1,18 @@
 # typed: strict
 # frozen_string_literal: true
 
+module OS
+  module Mac
     module Hardware
-  sig { params(version: T.nilable(Version)).returns(Symbol) }
+      module ClassMethods
-  def self.oldest_cpu(version = nil)
+        sig { params(version: T.nilable(MacOSVersion)).returns(Symbol) }
+        def oldest_cpu(version = nil)
           version = if version
             MacOSVersion.new(version.to_s)
           else
             MacOS.version
           end
-    if CPU.arch == :arm64
+          if ::Hardware::CPU.arch == :arm64
             :arm_vortex_tempest
           # This cannot use a newer CPU e.g. haswell because Rosetta 2 does not
           # support AVX instructions in bottles:
@@ -19,7 +22,12 @@ module Hardware
           elsif version >= :mojave
             :nehalem
           else
-      generic_oldest_cpu
+            super
           end
         end
       end
+    end
+  end
+end
+
+Hardware.singleton_class.prepend(OS::Mac::Hardware::ClassMethods)

Library/Homebrew/extend/os/mac/keg_relocate.rb

@@ -95,7 +95,7 @@ module OS
           end
         end
 
-        generic_fix_dynamic_linkage
+        super
       end
 
       def loader_name_for(file, target)
@@ -199,7 +199,7 @@ module OS
       end
 
       def prepare_relocation_to_locations
-        relocation = generic_prepare_relocation_to_locations
+        relocation = super
 
         brewed_perl = runtime_dependencies&.any? { |dep| dep["full_name"] == "perl" && dep["declared_directly"] }
         perl_path = if brewed_perl || name == "perl"

Library/Homebrew/extend/os/mac/missing_formula.rb

@@ -5,9 +5,10 @@ require "cask/info"
 require "cask/cask_loader"
 require "cask/caskroom"
 
-module Homebrew
+module OS
+  module Mac
     module MissingFormula
-    class << self
+      module ClassMethods
         sig { params(name: String).returns(T.nilable(String)) }
         def disallowed_reason(name)
           case name.downcase
@@ -16,7 +17,7 @@ module Homebrew
               Xcode can be installed from the App Store.
             EOS
           else
-          generic_disallowed_reason(name)
+            super
           end
         end
 
@@ -36,24 +37,27 @@ module Homebrew
           EOS
           case command
           when "install"
-          Cask::CaskLoader.load(name)
+            ::Cask::CaskLoader.load(name)
           when "uninstall"
-          cask = Cask::Caskroom.casks.find { |installed_cask| installed_cask.to_s == name }
+            cask = ::Cask::Caskroom.casks.find { |installed_cask| installed_cask.to_s == name }
-          raise Cask::CaskUnavailableError, name if cask.nil?
+            Kernel.raise ::Cask::CaskUnavailableError, name if cask.nil?
           when "info"
-          cask = Cask::CaskLoader.load(name)
+            cask = ::Cask::CaskLoader.load(name)
             suggestion = <<~EOS
               Found a cask named "#{name}" instead.
 
-            #{Cask::Info.get_info(cask)}
+              #{::Cask::Info.get_info(cask)}
             EOS
           else
             return
           end
           suggestion
-      rescue Cask::CaskUnavailableError
+        rescue ::Cask::CaskUnavailableError
           nil
         end
       end
     end
   end
+end
+
+Homebrew::MissingFormula.singleton_class.prepend(OS::Mac::MissingFormula::ClassMethods)

Library/Homebrew/extend/os/mac/system_config.rb

@@ -6,6 +6,11 @@ require "system_command"
 module OS
   module Mac
     module SystemConfig
+      module ClassMethods
+        extend T::Helpers
+
+        requires_ancestor { T.class_of(::SystemConfig) }
+
         sig { returns(String) }
         def describe_clang
           return "N/A" if ::SystemConfig.clang.null?
@@ -13,15 +18,6 @@ module OS
           clang_build_info = ::SystemConfig.clang_build.null? ? "(parse error)" : ::SystemConfig.clang_build
           "#{::SystemConfig.clang} build #{clang_build_info}"
         end
-    end
-  end
-end
-
-SystemConfig.prepend(OS::Mac::SystemConfig)
-
-module SystemConfig
-  class << self
-    include SystemCommand::Mixin
 
         def xcode
           @xcode ||= if MacOS::Xcode.installed?
@@ -41,11 +37,14 @@ module SystemConfig
         end
 
         def dump_verbose_config(out = $stdout)
-      dump_generic_verbose_config(out)
+          super
           out.puts "macOS: #{MacOS.full_version}-#{kernel}"
           out.puts "CLT: #{clt || "N/A"}"
           out.puts "Xcode: #{xcode || "N/A"}"
-      out.puts "Rosetta 2: #{Hardware::CPU.in_rosetta2?}" if Hardware::CPU.physical_cpu_arm64?
+          out.puts "Rosetta 2: #{::Hardware::CPU.in_rosetta2?}" if ::Hardware::CPU.physical_cpu_arm64?
         end
       end
     end
+  end
+end
+SystemConfig.singleton_class.prepend(OS::Mac::SystemConfig::ClassMethods)

Library/Homebrew/extend/os/mac/utils/bottles.rb

@@ -1,37 +1,40 @@
 # typed: strict
 # frozen_string_literal: true
 
-module Utils
+module OS
+  module Mac
     module Bottles
-    class << self
+      module ClassMethods
-      module MacOSOverride
+        sig { params(tag: T.nilable(T.any(Symbol, Utils::Bottles::Tag))).returns(Utils::Bottles::Tag) }
-        sig { params(tag: T.nilable(T.any(Symbol, Tag))).returns(Tag) }
         def tag(tag = nil)
-          return Tag.new(system: MacOS.version.to_sym, arch: Hardware::CPU.arch) if tag.nil?
+          if tag.nil?
-
+            Utils::Bottles::Tag.new(system: MacOS.version.to_sym, arch: ::Hardware::CPU.arch)
+          else
             super
           end
         end
-
-      prepend MacOSOverride
       end
 
-    class Collector
+      module Collector
+        extend T::Helpers
+
+        requires_ancestor { Utils::Bottles::Collector }
+
         private
 
-      alias generic_find_matching_tag find_matching_tag
+        sig {
-
+          params(tag:               Utils::Bottles::Tag,
-      sig { params(tag: Utils::Bottles::Tag, no_older_versions: T::Boolean).returns(T.nilable(Utils::Bottles::Tag)) }
+                 no_older_versions: T::Boolean).returns(T.nilable(Utils::Bottles::Tag))
+        }
         def find_matching_tag(tag, no_older_versions: false)
           # Used primarily by developers testing beta macOS releases.
           if no_older_versions ||
              (OS::Mac.version.prerelease? &&
                Homebrew::EnvConfig.developer? &&
                Homebrew::EnvConfig.skip_or_later_bottles?)
-          generic_find_matching_tag(tag)
+            super(tag)
           else
-          generic_find_matching_tag(tag) ||
+            super(tag) || find_older_compatible_tag(tag)
-            find_older_compatible_tag(tag)
           end
         end
 
@@ -57,3 +60,7 @@ module Utils
       end
     end
   end
+end
+
+Utils::Bottles.singleton_class.prepend(OS::Mac::Bottles::ClassMethods)
+Utils::Bottles::Collector.prepend(OS::Mac::Bottles::Collector)

Library/Homebrew/formula_cellar_checks.rb

@@ -84,7 +84,6 @@ module FormulaCellarChecks
   def valid_library_extension?(filename)
     VALID_LIBRARY_EXTENSIONS.include? filename.extname
   end
-  alias generic_valid_library_extension? valid_library_extension?
 
   sig { returns(T.nilable(String)) }
   def check_non_libraries
@@ -437,7 +436,6 @@ module FormulaCellarChecks
     problem_if_output(check_cpuid_instruction(formula))
     problem_if_output(check_binary_arches(formula))
   end
-  alias generic_audit_installed audit_installed
 
   private
 

Library/Homebrew/hardware.rb

@@ -42,7 +42,6 @@ module Hardware
           ppc64le:            "-mcpu=powerpc64le",
         }.freeze, T.nilable(T::Hash[Symbol, String]))
       end
-      alias generic_optimization_flags optimization_flags
 
       sig { returns(Symbol) }
       def arch_32_bit
@@ -219,6 +218,7 @@ module Hardware
       end
     end
 
+    sig { params(_version: T.nilable(MacOSVersion)).returns(Symbol) }
     def oldest_cpu(_version = nil)
       if Hardware::CPU.intel?
         if Hardware::CPU.is_64_bit?
@@ -242,7 +242,6 @@ module Hardware
         Hardware::CPU.family
       end
     end
-    alias generic_oldest_cpu oldest_cpu
 
     # Returns a Rust flag to set the target CPU if necessary.
     # Defaults to nil.

Library/Homebrew/install.rb

@@ -37,7 +37,6 @@ module Homebrew
       end
 
       def global_post_install; end
-      alias generic_global_post_install global_post_install
 
       def check_prefix
         if (Hardware::CPU.intel? || Hardware::CPU.in_rosetta2?) &&
@@ -366,7 +365,6 @@ module Homebrew
         Diagnostic.checks(:supported_configuration_checks, fatal: all_fatal)
         Diagnostic.checks(:fatal_preinstall_checks)
       end
-      alias generic_perform_preinstall_checks perform_preinstall_checks
 
       def attempt_directory_creation
         Keg.must_exist_directories.each do |dir|

Library/Homebrew/keg_relocate.rb

@@ -77,7 +77,6 @@ class Keg
       FileUtils.ln_s(new_src, file)
     end
   end
-  alias generic_fix_dynamic_linkage fix_dynamic_linkage
 
   def relocate_dynamic_linkage(_relocation)
     []
@@ -102,7 +101,6 @@ class Keg
 
     relocation
   end
-  alias generic_prepare_relocation_to_placeholders prepare_relocation_to_placeholders
 
   def replace_locations_with_placeholders
     relocation = prepare_relocation_to_placeholders.freeze
@@ -123,7 +121,6 @@ class Keg
 
     relocation
   end
-  alias generic_prepare_relocation_to_locations prepare_relocation_to_locations
 
   def replace_placeholders_with_locations(files, skip_linkage: false)
     relocation = prepare_relocation_to_locations.freeze
@@ -221,7 +218,6 @@ class Keg
 
     [grep_bin, grep_args]
   end
-  alias generic_egrep_args egrep_args
 
   def each_unique_file_matching(string)
     Utils.popen_read("fgrep", recursive_fgrep_args, string, to_s) do |io|

Library/Homebrew/linkage_checker.rb

@@ -188,12 +188,10 @@ class LinkageChecker
 
     store&.update!(keg_files_dylibs:)
   end
-  alias generic_check_dylibs check_dylibs
 
   def system_libraries_exist_in_cache?
     false
   end
-  alias generic_system_libraries_exist_in_cache? system_libraries_exist_in_cache?
 
   def dylib_found_in_shared_cache?(dylib)
     @dyld_shared_cache_contains_path ||= begin

Library/Homebrew/missing_formula.rb

@@ -93,7 +93,6 @@ module Homebrew
         EOS
         end
       end
-      alias generic_disallowed_reason disallowed_reason
 
       sig { params(name: String).returns(T.nilable(String)) }
       def tap_migration_reason(name)
@@ -195,8 +194,10 @@ module Homebrew
         end
       end
 
+      sig { params(name: String, silent: T::Boolean, show_info: T::Boolean).returns(T.nilable(String)) }
       def cask_reason(name, silent: false, show_info: false); end
 
+      sig { params(name: String, command: String).returns(T.nilable(String)) }
       def suggest_command(name, command); end
 
       require "extend/os/missing_formula"

Library/Homebrew/system_config.rb

@@ -195,7 +195,6 @@ module SystemConfig
       out.puts hardware if hardware
       host_software_config(out)
     end
-    alias dump_generic_verbose_config dump_verbose_config
   end
 end