various: fix style errors

Library/Homebrew/brew.rb

@@ -89,7 +89,7 @@ begin
     exit Homebrew.failed? ? 1 : 0
   elsif Commands.external_cmd_path(cmd)
     %w[CACHE LIBRARY_PATH].each do |env|
-      ENV["HOMEBREW_#{env}"] = Object.const_get("HOMEBREW_#{env}").to_s
+      ENV["HOMEBREW_#{env}"] = Object.const_get(:"HOMEBREW_#{env}").to_s
     end
     exec "brew-#{cmd}", *ARGV
   else

Library/Homebrew/cask/artifact/abstract_uninstall.rb

@@ -72,7 +72,7 @@ module Cask
 
         args = directives[directive_sym]
 
-        send("uninstall_#{directive_sym}", *(args.is_a?(Hash) ? [args] : args), **options)
+        send(:"uninstall_#{directive_sym}", *(args.is_a?(Hash) ? [args] : args), **options)
       end
 
       def stanza

Library/Homebrew/cask/dsl.rb

@@ -127,20 +127,20 @@ module Cask
     end
 
     def set_unique_stanza(stanza, should_return)
-      return instance_variable_get("@#{stanza}") if should_return
+      return instance_variable_get(:"@#{stanza}") if should_return
 
       unless @cask.allow_reassignment
-        if instance_variable_defined?("@#{stanza}") && !@called_in_on_system_block
+        if instance_variable_defined?(:"@#{stanza}") && !@called_in_on_system_block
           raise CaskInvalidError.new(cask, "'#{stanza}' stanza may only appear once.")
         end
 
-        if instance_variable_defined?("@#{stanza}_set_in_block") && @called_in_on_system_block
+        if instance_variable_defined?(:"@#{stanza}_set_in_block") && @called_in_on_system_block
           raise CaskInvalidError.new(cask, "'#{stanza}' stanza may only be overridden once.")
         end
       end
 
-      instance_variable_set("@#{stanza}_set_in_block", true) if @called_in_on_system_block
-      instance_variable_set("@#{stanza}", yield)
+      instance_variable_set(:"@#{stanza}_set_in_block", true) if @called_in_on_system_block
+      instance_variable_set(:"@#{stanza}", yield)
     rescue CaskInvalidError
       raise
     rescue => e

Library/Homebrew/compilers.rb

@@ -173,7 +173,7 @@ class CompilerSelector
     when "gcc", GNU_GCC_REGEXP
       versions.gcc_version(name.to_s)
     else
-      versions.send("#{name}_build_version")
+      versions.send(:"#{name}_build_version")
     end
   end
 end

Library/Homebrew/extend/on_system.rb

@@ -18,7 +18,7 @@ module OnSystem
 
   sig { params(os_name: Symbol, or_condition: T.nilable(Symbol)).returns(T::Boolean) }
   def self.os_condition_met?(os_name, or_condition = nil)
-    return Homebrew::SimulateSystem.send("simulating_or_running_on_#{os_name}?") if BASE_OS_OPTIONS.include?(os_name)
+    return Homebrew::SimulateSystem.send(:"simulating_or_running_on_#{os_name}?") if BASE_OS_OPTIONS.include?(os_name)
 
     raise ArgumentError, "Invalid OS condition: #{os_name.inspect}" unless MacOSVersion::SYMBOLS.key?(os_name)
 
@@ -51,7 +51,7 @@ module OnSystem
   sig { params(base: Class).void }
   def self.setup_arch_methods(base)
     ARCH_OPTIONS.each do |arch|
-      base.define_method("on_#{arch}") do |&block|
+      base.define_method(:"on_#{arch}") do |&block|
         @on_system_blocks_exist = true
 
         return unless OnSystem.arch_condition_met? OnSystem.condition_from_method_name(T.must(__method__))
@@ -78,7 +78,7 @@ module OnSystem
   sig { params(base: Class).void }
   def self.setup_base_os_methods(base)
     BASE_OS_OPTIONS.each do |base_os|
-      base.define_method("on_#{base_os}") do |&block|
+      base.define_method(:"on_#{base_os}") do |&block|
         @on_system_blocks_exist = true
 
         return unless OnSystem.os_condition_met? OnSystem.condition_from_method_name(T.must(__method__))
@@ -124,7 +124,7 @@ module OnSystem
   sig { params(base: Class).void }
   def self.setup_macos_methods(base)
     MacOSVersion::SYMBOLS.each_key do |os_name|
-      base.define_method("on_#{os_name}") do |or_condition = nil, &block|
+      base.define_method(:"on_#{os_name}") do |or_condition = nil, &block|
         @on_system_blocks_exist = true
 
         os_condition = OnSystem.condition_from_method_name T.must(__method__)

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

@@ -111,7 +111,7 @@ module Hardware
       end
 
       %w[aes altivec avx avx2 lm ssse3 sse4_2].each do |flag|
-        define_method("#{flag}?") do
+        define_method(:"#{flag}?") do
           T.bind(self, T.class_of(Hardware::CPU))
           flags.include? flag
         end

Library/Homebrew/formula.rb

@@ -295,7 +295,7 @@ class Formula
 
     spec.owner = self
     add_global_deps_to_spec(spec)
-    instance_variable_set("@#{name}", spec)
+    instance_variable_set(:"@#{name}", spec)
   end
 
   sig { params(spec: SoftwareSpec).void }

Library/Homebrew/locale.rb

@@ -69,7 +69,7 @@ class Locale
     }.each do |key, value|
       next if value.nil?
 
-      regex = self.class.const_get("#{key.upcase}_REGEX")
+      regex = self.class.const_get(:"#{key.upcase}_REGEX")
       raise ParserError, "'#{value}' does not match #{regex}" unless value&.match?(regex)
 
       instance_variable_set(:"@#{key}", value)

Library/Homebrew/tab.rb

@@ -234,7 +234,7 @@ class Tab
   end
 
   def initialize(attributes = {})
-    attributes.each { |key, value| instance_variable_set("@#{key}", value) }
+    attributes.each { |key, value| instance_variable_set(:"@#{key}", value) }
   end
 
   def any_args_or_options?

Library/Homebrew/test/github_runner_spec.rb

@@ -11,7 +11,7 @@ describe GitHubRunner do
 
   it "has immutable attributes" do
     [:platform, :arch, :spec, :macos_version].each do |attribute|
-      expect(runner.respond_to?("#{attribute}=")).to be(false)
+      expect(runner.respond_to?(:"#{attribute}=")).to be(false)
     end
   end
 

Library/Homebrew/test/linux_runner_spec_spec.rb

@@ -16,7 +16,7 @@ describe LinuxRunnerSpec do
 
   it "has immutable attributes" do
     [:name, :runner, :container, :workdir, :timeout, :cleanup].each do |attribute|
-      expect(spec.respond_to?("#{attribute}=")).to be(false)
+      expect(spec.respond_to?(:"#{attribute}=")).to be(false)
     end
   end
 

Library/Homebrew/test/macos_runner_spec_spec.rb

@@ -7,7 +7,7 @@ describe MacOSRunnerSpec do
 
   it "has immutable attributes" do
     [:name, :runner, :timeout, :cleanup].each do |attribute|
-      expect(spec.respond_to?("#{attribute}=")).to be(false)
+      expect(spec.respond_to?(:"#{attribute}=")).to be(false)
     end
   end