Style/Alias: Prefer alias.

Library/.rubocop_rules.yml

@@ -23,9 +23,8 @@ Style/CommandLiteral:
 Style/RegexpLiteral:
   EnforcedStyle: slashes
 
-# too prevalent to change this now, but might be discussed/changed later
 Style/Alias:
-  EnforcedStyle: prefer_alias_method
+  EnforcedStyle: prefer_alias
 
 # our current conditional style is established, clear and
 # requiring users to change that now would be confusing.

Library/.rubocop_todo.yml

@@ -91,14 +91,6 @@ Style/AccessorMethodName:
     - 'Homebrew/formulary.rb'
     - 'Homebrew/migrator.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, SupportedStyles.
-# SupportedStyles: prefer_alias, prefer_alias_method
-Style/Alias:
-  Exclude:
-    - 'Homebrew/blacklist.rb'
-
 # Offense count: 1
 Style/CaseEquality:
   Exclude:

Library/Homebrew/build_options.rb

@@ -47,7 +47,7 @@ class BuildOptions
   def bottle?
     include? "build-bottle"
   end
-  alias_method :build_bottle?, :bottle?
+  alias build_bottle? bottle?
 
   # True if a {Formula} is being built with {Formula.head} instead of {Formula.stable}.
   # <pre>args << "--some-new-stuff" if build.head?</pre>

Library/Homebrew/checksum.rb

@@ -1,6 +1,6 @@
 class Checksum
   attr_reader :hash_type, :hexdigest
-  alias_method :to_s, :hexdigest
+  alias to_s hexdigest
 
   TYPES = [:sha256].freeze
 

Library/Homebrew/compat/dependency_collector.rb

@@ -1,7 +1,7 @@
 require "dependency_collector"
 
 class DependencyCollector
-  alias_method :_parse_symbol_spec, :parse_symbol_spec
+  alias _parse_symbol_spec parse_symbol_spec
 
   def parse_symbol_spec(spec, tags)
     case spec

Library/Homebrew/compat/formula.rb

@@ -72,8 +72,8 @@ class Formula
     yield if block_given?
     PythonRequirement.new
   end
-  alias_method :python2, :python
-  alias_method :python3, :python
+  alias python2 python
+  alias python3 python
 
   def startup_plist
     odeprecated "Formula#startup_plist", "Formula#plist"

Library/Homebrew/compat/formula_specialties.rb

@@ -25,7 +25,7 @@ class AmazonWebServicesFormula < Formula
     libexec.install Dir["*"]
     bin.install_symlink Dir["#{libexec}/bin/*"] - ["#{libexec}/bin/service"]
   end
-  alias_method :standard_install, :install
+  alias standard_install install
 
   # Use this method to generate standard caveats.
   def standard_instructions(home_name, home_value = libexec)

Library/Homebrew/compilers.rb

@@ -18,7 +18,7 @@ class CompilerFailure
 
   # Allows Apple compiler `fails_with` statements to keep using `build`
   # even though `build` and `version` are the same internally
-  alias_method :build, :version
+  alias build version
 
   # The cause is no longer used so we need not hold a reference to the string
   def cause(_); end

Library/Homebrew/debrew.rb

@@ -14,7 +14,7 @@ module Debrew
       super(e) unless Debrew.debug(e) == :ignore
     end
 
-    alias_method :fail, :raise
+    alias fail raise
   end
 
   module Formula
@@ -75,7 +75,7 @@ module Debrew
   end
 
   class << self
-    alias_method :original_raise, :raise
+    alias original_raise raise
   end
 
   @active = false

Library/Homebrew/dependencies.rb

@@ -22,7 +22,7 @@ class Dependencies
     @deps * arg
   end
 
-  alias_method :to_ary, :to_a
+  alias to_ary to_a
 
   def optional
     select(&:optional?)
@@ -50,7 +50,7 @@ class Dependencies
   def ==(other)
     deps == other.deps
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def inspect
     "#<#{self.class.name}: #{to_a.inspect}>"
@@ -79,5 +79,5 @@ class Requirements
     self
   end
 
-  alias_method :to_ary, :to_a
+  alias to_ary to_a
 end

Library/Homebrew/dependency.rb

@@ -22,7 +22,7 @@ class Dependency
   def ==(other)
     instance_of?(other.class) && name == other.name && tags == other.tags
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     name.hash ^ tags.hash

Library/Homebrew/development_tools.rb

@@ -22,8 +22,7 @@ class DevelopmentTools
     def installation_instructions
       "Install Clang or brew install gcc"
     end
-    alias_method :custom_installation_instructions,
-                 :installation_instructions
+    alias custom_installation_instructions installation_instructions
 
     def default_cc
       cc = DevelopmentTools.locate "cc"
@@ -48,7 +47,7 @@ class DevelopmentTools
           `#{path} --version 2>/dev/null`[/build (\d{4,})/, 1].to_i
         end
     end
-    alias_method :gcc_4_0_build_version, :gcc_40_build_version
+    alias gcc_4_0_build_version gcc_40_build_version
 
     def gcc_42_build_version
       @gcc_42_build_version ||=
@@ -59,7 +58,7 @@ class DevelopmentTools
           end
         end
     end
-    alias_method :gcc_build_version, :gcc_42_build_version
+    alias gcc_build_version gcc_42_build_version
 
     def clang_version
       @clang_version ||=

Library/Homebrew/download_strategy.rb

@@ -608,7 +608,7 @@ class SubversionDownloadStrategy < VCSDownloadStrategy
       fetch_repo cached_location, @url
     end
   end
-  alias_method :update, :clone_repo
+  alias update clone_repo
 end
 
 class GitDownloadStrategy < VCSDownloadStrategy

Library/Homebrew/emoji.rb

@@ -17,7 +17,7 @@ module Emoji
     def enabled?
       !ENV["HOMEBREW_NO_EMOJI"]
     end
-    alias_method :generic_enabled?, :enabled?
+    alias generic_enabled? enabled?
   end
 end
 

Library/Homebrew/extend/ENV/std.rb

@@ -53,7 +53,7 @@ module Stdenv
       append_path "PATH", gcc_formula.opt_bin.to_s
     end
   end
-  alias_method :generic_setup_build_environment, :setup_build_environment
+  alias generic_setup_build_environment setup_build_environment
 
   def homebrew_extra_pkg_config_paths
     []
@@ -84,7 +84,7 @@ module Stdenv
 
     old
   end
-  alias_method :j1, :deparallelize
+  alias j1 deparallelize
 
   # These methods are no-ops for compatibility.
   %w[fast O4 Og].each { |opt| define_method(opt) {} }
@@ -112,13 +112,13 @@ module Stdenv
     super
     set_cpu_cflags "-march=nocona -mssse3"
   end
-  alias_method :gcc_4_0_1, :gcc_4_0
+  alias gcc_4_0_1 gcc_4_0
 
   def gcc
     super
     set_cpu_cflags
   end
-  alias_method :gcc_4_2, :gcc
+  alias gcc_4_2 gcc
 
   GNU_GCC_VERSIONS.each do |n|
     define_method(:"gcc-#{n}") do
@@ -139,19 +139,19 @@ module Stdenv
   def minimal_optimization
     set_cflags "-Os #{SAFE_CFLAGS_FLAGS}"
   end
-  alias_method :generic_minimal_optimization, :minimal_optimization
+  alias generic_minimal_optimization minimal_optimization
 
   def no_optimization
     set_cflags SAFE_CFLAGS_FLAGS
   end
-  alias_method :generic_no_optimization, :no_optimization
+  alias generic_no_optimization no_optimization
 
   def libxml2
   end
 
   def x11
   end
-  alias_method :libpng, :x11
+  alias libpng x11
 
   # we've seen some packages fail to build when warnings are disabled!
   def enable_warnings
@@ -224,7 +224,7 @@ module Stdenv
     append flags, xarch unless xarch.empty?
     append flags, map.fetch(effective_arch, default)
   end
-  alias_method :generic_set_cpu_flags, :set_cpu_flags
+  alias generic_set_cpu_flags set_cpu_flags
 
   # @private
   def effective_arch

Library/Homebrew/extend/ENV/super.rb

@@ -18,7 +18,7 @@ module Superenv
   attr_accessor :keg_only_deps, :deps
 
   attr_accessor :x11
-  alias_method :x11?, :x11
+  alias x11? x11
 
   def self.extended(base)
     base.keg_only_deps = []
@@ -82,7 +82,7 @@ module Superenv
     # s - apply fix for sed's Unicode support
     # a - apply fix for apr-1-config path
   end
-  alias_method :generic_setup_build_environment, :setup_build_environment
+  alias generic_setup_build_environment setup_build_environment
 
   private
 
@@ -263,7 +263,7 @@ module Superenv
 
     old
   end
-  alias_method :j1, :deparallelize
+  alias j1 deparallelize
 
   def make_jobs
     self["MAKEFLAGS"] =~ /-\w*j(\d+)/
@@ -334,18 +334,18 @@ module Superenv
 
   # These methods are no longer necessary under superenv, but are needed to
   # maintain an interface compatible with stdenv.
-  alias_method :fast, :noop
-  alias_method :O4, :noop
-  alias_method :Og, :noop
-  alias_method :libxml2, :noop
-  alias_method :set_cpu_flags, :noop
+  alias fast noop
+  alias O4 noop
+  alias Og noop
+  alias libxml2 noop
+  alias set_cpu_flags noop
 
   # These methods provide functionality that has not yet been ported to
   # superenv.
-  alias_method :gcc_4_0_1, :noop
-  alias_method :minimal_optimization, :noop
-  alias_method :no_optimization, :noop
-  alias_method :enable_warnings, :noop
+  alias gcc_4_0_1 noop
+  alias minimal_optimization noop
+  alias no_optimization noop
+  alias enable_warnings noop
 end
 
 class Array

Library/Homebrew/extend/fileutils.rb

@@ -84,7 +84,7 @@ module FileUtils
   end
 
   # @private
-  alias_method :old_mkdir, :mkdir
+  alias old_mkdir mkdir
 
   # A version of mkdir that also changes to that folder in a block.
   def mkdir(name, &_block)
@@ -122,7 +122,7 @@ module FileUtils
 
   if method_defined?(:ruby)
     # @private
-    alias_method :old_ruby, :ruby
+    alias old_ruby ruby
   end
 
   # Run the `ruby` Homebrew is using rather than whatever is in the `PATH`.

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

@@ -81,7 +81,7 @@ module Hardware
       %w[aes altivec avx avx2 lm sse3 ssse3 sse4 sse4_2].each do |flag|
         define_method(flag + "?") { flags.include? flag }
       end
-      alias_method :is_64_bit?, :lm?
+      alias is_64_bit? lm?
 
       def bits
         is_64_bit? ? 64 : 32

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

@@ -3,7 +3,7 @@ require "os/mac/xcode"
 # @private
 class DevelopmentTools
   class << self
-    alias_method :original_locate, :locate
+    alias original_locate locate
     def locate(tool)
       (@locate ||= {}).fetch(tool) do |key|
         @locate[key] = if (located_tool = original_locate(tool))

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

@@ -118,6 +118,6 @@ module Superenv
 
   # These methods are no longer necessary under superenv, but are needed to
   # maintain an interface compatible with stdenv.
-  alias_method :macosxsdk, :noop
-  alias_method :remove_macosxsdk, :noop
+  alias macosxsdk noop
+  alias remove_macosxsdk noop
 end

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

@@ -21,7 +21,7 @@ module Utils
     class Collector
       private
 
-      alias_method :original_find_matching_tag, :find_matching_tag
+      alias original_find_matching_tag find_matching_tag
       def find_matching_tag(tag)
         original_find_matching_tag(tag) || find_altivec_tag(tag) || find_or_later_tag(tag)
       end

Library/Homebrew/extend/pathname.rb

@@ -132,7 +132,7 @@ class Pathname
 
   if method_defined?(:write)
     # @private
-    alias_method :old_write, :write
+    alias old_write write
   end
 
   # we assume this pathname object is a file obviously
@@ -212,7 +212,7 @@ class Pathname
   end
 
   # @private
-  alias_method :extname_old, :extname
+  alias extname_old extname
 
   # extended to support common double extensions
   def extname(path = to_s)
@@ -322,7 +322,7 @@ class Pathname
   end
 
   # FIXME: eliminate the places where we rely on this method
-  alias_method :to_str, :to_s unless method_defined?(:to_str)
+  alias to_str to_s unless method_defined?(:to_str)
 
   def cd
     Dir.chdir(self) { yield }

Library/Homebrew/extend/string.rb

@@ -13,7 +13,7 @@ class String
   #               sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt
   #               mollit anim id est laborum.
   #               EOS
-  alias_method :undent_________________________________________________________72, :undent
+  alias undent_________________________________________________________72 undent
 
   # String.chomp, but if result is empty: returns nil instead.
   # Allows `chuzzle || foo` short-circuits.

Library/Homebrew/formula.rb

@@ -162,7 +162,7 @@ class Formula
   # Defaults to true.
   # @return [Boolean]
   attr_accessor :follow_installed_alias
-  alias_method :follow_installed_alias?, :follow_installed_alias
+  alias follow_installed_alias? follow_installed_alias
 
   # @private
   def initialize(name, path, spec, alias_path: nil)
@@ -1235,7 +1235,7 @@ class Formula
       name == other.name &&
       active_spec == other.active_spec
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   # @private
   def hash

Library/Homebrew/formula_cellar_checks.rb

@@ -166,7 +166,7 @@ module FormulaCellarChecks
     audit_check_output(check_elisp_dirname(formula.share, formula.name))
     audit_check_output(check_elisp_root(formula.share, formula.name))
   end
-  alias_method :generic_audit_installed, :audit_installed
+  alias generic_audit_installed audit_installed
 
   private
 

Library/Homebrew/global.rb

@@ -43,10 +43,10 @@ module Homebrew
   extend self
 
   attr_accessor :failed
-  alias_method :failed?, :failed
+  alias failed? failed
 
   attr_accessor :raise_deprecation_exceptions
-  alias_method :raise_deprecation_exceptions?, :raise_deprecation_exceptions
+  alias raise_deprecation_exceptions? raise_deprecation_exceptions
 end
 
 HOMEBREW_PULL_API_REGEX = %r{https://api\.github\.com/repos/([\w-]+)/([\w-]+)?/pulls/(\d+)}

Library/Homebrew/keg.rb

@@ -118,9 +118,9 @@ class Keg
   end
 
   if Pathname.method_defined?(:to_path)
-    alias_method :to_path, :to_s
+    alias to_path to_s
   else
-    alias_method :to_str, :to_s
+    alias to_str to_s
   end
 
   def inspect
@@ -130,7 +130,7 @@ class Keg
   def ==(other)
     instance_of?(other.class) && path == other.path
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     path.hash

Library/Homebrew/keg_relocate.rb

@@ -13,7 +13,7 @@ class Keg
       end
     end
   end
-  alias_method :generic_fix_dynamic_linkage, :fix_dynamic_linkage
+  alias generic_fix_dynamic_linkage fix_dynamic_linkage
 
   def relocate_dynamic_linkage(_old_prefix, _new_prefix, _old_cellar, _new_cellar)
     []

Library/Homebrew/options.rb

@@ -21,7 +21,7 @@ class Option
   def ==(other)
     instance_of?(other.class) && name == other.name
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     name.hash
@@ -51,7 +51,7 @@ class DeprecatedOption
   def ==(other)
     instance_of?(other.class) && old == other.old && current == other.current
   end
-  alias_method :eql?, :==
+  alias eql? ==
 end
 
 class Options
@@ -106,7 +106,7 @@ class Options
     any? { |opt| opt == o || opt.name == o || opt.flag == o }
   end
 
-  alias_method :to_ary, :to_a
+  alias to_ary to_a
 
   def inspect
     "#<#{self.class.name}: #{to_a.inspect}>"

Library/Homebrew/pkg_version.rb

@@ -29,13 +29,13 @@ class PkgVersion
       version.to_s
     end
   end
-  alias_method :to_str, :to_s
+  alias to_str to_s
 
   def <=>(other)
     return unless other.is_a?(PkgVersion)
     (version <=> other.version).nonzero? || revision <=> other.revision
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     version.hash ^ revision.hash

Library/Homebrew/requirement.rb

@@ -102,7 +102,7 @@ class Requirement
   def ==(other)
     instance_of?(other.class) && name == other.name && tags == other.tags
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     name.hash ^ tags.hash

Library/Homebrew/requirements/python_requirement.rb

@@ -50,7 +50,7 @@ class PythonRequirement < Requirement
   end
 
   # Deprecated
-  alias_method :to_s, :python_binary
+  alias to_s python_binary
 end
 
 class Python3Requirement < PythonRequirement

Library/Homebrew/software_spec.rb

@@ -228,7 +228,7 @@ class Bottle
     def to_s
       prefix + suffix
     end
-    alias_method :to_str, :to_s
+    alias to_str to_s
 
     def prefix
       "#{name}-#{version}.#{tag}"

Library/Homebrew/system_config.rb

@@ -152,7 +152,7 @@ class SystemConfig
       f.puts "Ruby: #{describe_ruby}"
       f.puts "Java: #{describe_java}"
     end
-    alias_method :dump_generic_verbose_config, :dump_verbose_config
+    alias dump_generic_verbose_config dump_verbose_config
   end
 end
 

Library/Homebrew/version.rb

@@ -242,7 +242,7 @@ class Version
 
     0
   end
-  alias_method :eql?, :==
+  alias eql? ==
 
   def hash
     version.hash
@@ -251,7 +251,7 @@ class Version
   def to_s
     version.dup
   end
-  alias_method :to_str, :to_s
+  alias to_str to_s
 
   protected