Move o* output methods to Utils::Output

This reduces the surface area of our `Kernel` monkeypatch and removes
the need to `include Kernel` in a bunch of modules.

While we're here, also move `Kernel#require?` to `Homebrew` and fully
scope the calls to it.

Library/Homebrew/.rubocop.yml

@@ -74,6 +74,7 @@ Style/Documentation:
     - resource.rb
     - startup/config.rb
     - utils/inreplace.rb
+    - utils/output.rb
     - utils/shebang.rb
     - utils/string_inreplace_extension.rb
     - version.rb

Library/Homebrew/abstract_command.rb

@@ -3,6 +3,7 @@
 
 require "cli/parser"
 require "shell_command"
+require "utils/output"
 
 module Homebrew
   # Subclass this to implement a `brew` command. This is preferred to declaring a named function in the `Homebrew`
@@ -19,6 +20,7 @@ module Homebrew
   # @api public
   class AbstractCommand
     extend T::Helpers
+    include Utils::Output::Mixin
 
     abstract!
 

Library/Homebrew/aliases/alias.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "fileutils"
+require "utils/output"
 
 module Homebrew
   module Aliases
     class Alias
+      include ::Utils::Output::Mixin
+
       sig { returns(String) }
       attr_accessor :name
 

Library/Homebrew/aliases/aliases.rb

@@ -2,9 +2,12 @@
 # frozen_string_literal: true
 
 require "aliases/alias"
+require "utils/output"
 
 module Homebrew
   module Aliases
+    extend Utils::Output::Mixin
+
     RESERVED = T.let((
         Commands.internal_commands +
         Commands.internal_developer_commands +

Library/Homebrew/api.rb

@@ -6,10 +6,13 @@ require "api/cask"
 require "api/formula"
 require "api/internal"
 require "base64"
+require "utils/output"
 
 module Homebrew
   # Helper functions for using Homebrew's formulae.brew.sh API.
   module API
+    extend Utils::Output::Mixin
+
     extend Cachable
 
     HOMEBREW_CACHE_API = T.let((HOMEBREW_CACHE/"api").freeze, Pathname)

Library/Homebrew/attestation.rb

@@ -7,10 +7,12 @@ require "utils/popen"
 require "utils/github/api"
 require "exceptions"
 require "system_command"
+require "utils/output"
 
 module Homebrew
   module Attestation
     extend SystemCommand::Mixin
+    extend Utils::Output::Mixin
 
     # @api private
     HOMEBREW_CORE_REPO = "Homebrew/homebrew-core"

Library/Homebrew/brew.rb

@@ -16,6 +16,7 @@ end
 std_trap = trap("INT") { exit! 130 } # no backtrace thanks
 
 require_relative "global"
+require "utils/output"
 
 begin
   trap("INT", std_trap) # restore default CTRL-C handler
@@ -115,14 +116,14 @@ begin
         converted_cmd = cmd.downcase.tr("-", "_")
         case_error = "undefined method `#{converted_cmd}' for module Homebrew"
         private_method_error = "private method `#{converted_cmd}' called for module Homebrew"
-        odie "Unknown command: brew #{cmd}" if [case_error, private_method_error].include?(e.message)
+        Utils::Output.odie "Unknown command: brew #{cmd}" if [case_error, private_method_error].include?(e.message)
 
         raise
       end
     end
   elsif (path = Commands.external_ruby_cmd_path(cmd))
     Homebrew.running_command = cmd
-    require?(path)
+    Homebrew.require?(path)
     exit Homebrew.failed? ? 1 : 0
   elsif Commands.external_cmd_path(cmd)
     %w[CACHE LIBRARY_PATH].each do |env|
@@ -139,14 +140,16 @@ begin
        possible_tap.installed? ||
        (blocked_tap = Tap.untapped_official_taps.include?(possible_tap.name))
       if blocked_tap
-        onoe <<~EOS
+        Utils::Output.onoe <<~EOS
           `brew #{cmd}` is unavailable because #{possible_tap.name} was manually untapped.
           Run `brew tap #{possible_tap.name}` to reenable `brew #{cmd}`.
         EOS
       end
       # Check for cask explicitly because it's very common in old guides
-      odie "`brew cask` is no longer a `brew` command. Use `brew <command> --cask` instead." if cmd == "cask"
+      if cmd == "cask"
-      odie "Unknown command: brew #{cmd}"
+        Utils::Output.odie "`brew cask` is no longer a `brew` command. Use `brew <command> --cask` instead."
+      end
+      Utils::Output.odie "Unknown command: brew #{cmd}"
     end
 
     # Unset HOMEBREW_HELP to avoid confusing the tap
@@ -171,7 +174,7 @@ rescue UsageError => e
   require "help"
   Homebrew::Help.help cmd, remaining_args: args&.remaining || [], usage_error: e.message
 rescue SystemExit => e
-  onoe "Kernel.exit" if args&.debug? && !e.success?
+  Utils::Output.onoe "Kernel.exit" if args&.debug? && !e.success?
   if args&.debug? || ARGV.include?("--debug")
     require "utils/backtrace"
     $stderr.puts Utils::Backtrace.clean(e)
@@ -209,7 +212,7 @@ rescue BuildError => e
 rescue RuntimeError, SystemCallError => e
   raise if e.message.empty?
 
-  onoe e
+  Utils::Output.onoe e
   if args&.debug? || ARGV.include?("--debug")
     require "utils/backtrace"
     $stderr.puts Utils::Backtrace.clean(e)
@@ -218,7 +221,7 @@ rescue RuntimeError, SystemCallError => e
   exit 1
 # Catch any other types of exceptions.
 rescue Exception => e # rubocop:disable Lint/RescueException
-  onoe e
+  Utils::Output.onoe e
 
   method_deprecated_error = e.is_a?(MethodDeprecatedError)
   require "utils/backtrace"

Library/Homebrew/build.rb

@@ -16,9 +16,12 @@ require "fcntl"
 require "utils/socket"
 require "cmd/install"
 require "json/add/exception"
+require "utils/output"
 
 # A formula build.
 class Build
+  include Utils::Output::Mixin
+
   attr_reader :formula, :deps, :reqs, :args
 
   def initialize(formula, options, args:)

Library/Homebrew/bundle/commands/exec.rb

@@ -6,11 +6,14 @@ require "exceptions"
 require "extend/ENV"
 require "utils"
 require "PATH"
+require "utils/output"
 
 module Homebrew
   module Bundle
     module Commands
       module Exec
+        extend Utils::Output::Mixin
+
         PATH_LIKE_ENV_REGEX = /.+#{File::PATH_SEPARATOR}/
 
         sig {

Library/Homebrew/bundle/formula_dumper.rb

@@ -3,11 +3,14 @@
 
 require "json"
 require "tsort"
+require "utils/output"
 
 module Homebrew
   module Bundle
     # TODO: refactor into multiple modules
     module FormulaDumper
+      extend Utils::Output::Mixin
+
       def self.reset!
         require "bundle/brew_services"
 

Library/Homebrew/bundle/remover.rb

@@ -1,9 +1,13 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Homebrew
   module Bundle
     module Remover
+      extend ::Utils::Output::Mixin
+
       def self.remove(*args, type:, global:, file:)
         require "bundle/brewfile"
         require "bundle/dumper"

Library/Homebrew/bundle/whalebrew_dumper.rb

@@ -1,9 +1,13 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Homebrew
   module Bundle
     module WhalebrewDumper
+      extend Utils::Output::Mixin
+
       sig { void }
       def self.reset!
         @images = T.let(nil, T.nilable(T::Array[String]))

Library/Homebrew/bundle/whalebrew_installer.rb

@@ -1,9 +1,13 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Homebrew
   module Bundle
     module WhalebrewInstaller
+      extend Utils::Output::Mixin
+
       def self.reset!
         @installed_images = nil
       end

Library/Homebrew/cask/artifact/abstract_artifact.rb

@@ -2,16 +2,19 @@
 # frozen_string_literal: true
 
 require "extend/object/deep_dup"
+require "utils/output"
 
 module Cask
   module Artifact
     # Abstract superclass for all artifacts.
     class AbstractArtifact
       extend T::Helpers
+      extend ::Utils::Output::Mixin
 
       abstract!
 
       include Comparable
+      include ::Utils::Output::Mixin
 
       def self.english_name
         @english_name ||= T.must(name).sub(/^.*:/, "").gsub(/(.)([A-Z])/, '\1 \2')

Library/Homebrew/cask/audit.rb

@@ -14,12 +14,14 @@ require "formula_name_cask_token_auditor"
 require "utils/curl"
 require "utils/git"
 require "utils/shared_audits"
+require "utils/output"
 
 module Cask
   # Audit a cask for various problems.
   class Audit
     include SystemCommand::Mixin
     include ::Utils::Curl
+    include ::Utils::Output::Mixin
 
     Error = T.type_alias do
       {

Library/Homebrew/cask/auditor.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "cask/audit"
+require "utils/output"
 
 module Cask
   # Helper class for auditing all available languages of a cask.
   class Auditor
+    include ::Utils::Output::Mixin
+
     # TODO: use argument forwarding (...) when Sorbet supports it in strict mode
     sig {
       params(

Library/Homebrew/cask/cask.rb

@@ -8,6 +8,7 @@ require "cask/dsl"
 require "cask/metadata"
 require "cask/tab"
 require "utils/bottles"
+require "utils/output"
 require "api_hashable"
 
 module Cask
@@ -15,6 +16,7 @@ module Cask
   class Cask
     extend Forwardable
     extend APIHashable
+    extend ::Utils::Output::Mixin
     include Metadata
 
     # The token of this {Cask}.

Library/Homebrew/cask/cask_loader.rb

@@ -5,6 +5,7 @@ require "cask/cache"
 require "cask/cask"
 require "uri"
 require "utils/curl"
+require "utils/output"
 require "extend/hash/keys"
 require "api"
 
@@ -12,12 +13,14 @@ module Cask
   # Loads a cask from various sources.
   module CaskLoader
     extend Context
+    extend ::Utils::Output::Mixin
 
     ALLOWED_URL_SCHEMES = %w[file].freeze
     private_constant :ALLOWED_URL_SCHEMES
 
     module ILoader
       extend T::Helpers
+      include ::Utils::Output::Mixin
 
       interface!
 

Library/Homebrew/cask/caskroom.rb

@@ -2,12 +2,15 @@
 # frozen_string_literal: true
 
 require "utils/user"
+require "utils/output"
 
 module Cask
   # Helper functions for interacting with the `Caskroom` directory.
   #
   # @api internal
   module Caskroom
+    extend ::Utils::Output::Mixin
+
     sig { returns(Pathname) }
     def self.path
       @path ||= T.let(HOMEBREW_PREFIX/"Caskroom", T.nilable(Pathname))

Library/Homebrew/cask/dsl.rb

@@ -5,6 +5,7 @@ require "autobump_constants"
 require "locale"
 require "lazy_object"
 require "livecheck"
+require "utils/output"
 
 require "cask/artifact"
 require "cask/artifact_set"
@@ -32,6 +33,8 @@ require "on_system"
 module Cask
   # Class representing the domain-specific language used for casks.
   class DSL
+    include ::Utils::Output::Mixin
+
     ORDINARY_ARTIFACT_CLASSES = [
       Artifact::Installer,
       Artifact::App,

Library/Homebrew/cask/dsl/conflicts_with.rb

@@ -3,6 +3,7 @@
 
 require "delegate"
 require "extend/hash/keys"
+require "utils/output"
 
 module Cask
   class DSL
@@ -23,7 +24,7 @@ module Cask
         options.assert_valid_keys(*VALID_KEYS, *ODEPRECATED_KEYS)
 
         options.keys.intersection(ODEPRECATED_KEYS).each do |key|
-          Kernel.odeprecated "conflicts_with #{key}:"
+          ::Utils::Output.odeprecated "conflicts_with #{key}:"
         end
 
         conflicts = options.transform_values { |v| Set.new(Kernel.Array(v)) }

Library/Homebrew/cask/info.rb

@@ -3,9 +3,12 @@
 
 require "json"
 require "cmd/info"
+require "utils/output"
 
 module Cask
   class Info
+    extend ::Utils::Output::Mixin
+
     sig { params(cask: Cask).returns(String) }
     def self.get_info(cask)
       require "cask/installer"

Library/Homebrew/cask/installer.rb

@@ -5,6 +5,7 @@ require "formula_installer"
 require "unpack_strategy"
 require "utils/topological_hash"
 require "utils/analytics"
+require "utils/output"
 
 require "cask/config"
 require "cask/download"
@@ -15,6 +16,9 @@ require "cask/tab"
 module Cask
   # Installer for a {Cask}.
   class Installer
+    extend ::Utils::Output::Mixin
+    include ::Utils::Output::Mixin
+
     sig {
       params(
         cask: ::Cask::Cask, command: T::Class[SystemCommand], force: T::Boolean, adopt: T::Boolean,

Library/Homebrew/cask/list.rb

@@ -2,9 +2,12 @@
 # frozen_string_literal: true
 
 require "cask/artifact/relocated"
+require "utils/output"
 
 module Cask
   class List
+    extend ::Utils::Output::Mixin
+
     sig { params(casks: Cask, one: T::Boolean, full_name: T::Boolean, versions: T::Boolean).void }
     def self.list_casks(*casks, one: false, full_name: false, versions: false)
       output = if casks.any?

Library/Homebrew/cask/metadata.rb

@@ -1,10 +1,13 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Cask
   # Helper module for reading and writing cask metadata.
   module Metadata
     extend T::Helpers
+    include ::Utils::Output::Mixin
 
     METADATA_SUBDIR = ".metadata"
     TIMESTAMP_FORMAT = "%Y%m%d%H%M%S.%L"

Library/Homebrew/cask/migrator.rb

@@ -3,9 +3,12 @@
 
 require "cask/cask_loader"
 require "utils/inreplace"
+require "utils/output"
 
 module Cask
   class Migrator
+    include ::Utils::Output::Mixin
+
     sig { returns(Cask) }
     attr_reader :old_cask, :new_cask
 

Library/Homebrew/cask/pkg.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "cask/macos"
+require "utils/output"
 
 module Cask
   # Helper class for uninstalling `.pkg` installers.
   class Pkg
+    include ::Utils::Output::Mixin
+
     sig { params(regexp: String, command: T.class_of(SystemCommand)).returns(T::Array[Pkg]) }
     def self.all_matching(regexp, command)
       command.run("/usr/sbin/pkgutil", args: ["--pkgs=#{regexp}"]).stdout.split("\n").map do |package_id|

Library/Homebrew/cask/quarantine.rb

@@ -4,11 +4,13 @@
 require "development_tools"
 require "cask/exceptions"
 require "system_command"
+require "utils/output"
 
 module Cask
   # Helper module for quarantining files.
   module Quarantine
     extend SystemCommand::Mixin
+    extend ::Utils::Output::Mixin
 
     QUARANTINE_ATTRIBUTE = "com.apple.quarantine"
 

Library/Homebrew/cask/reinstall.rb

@@ -1,8 +1,12 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Cask
   class Reinstall
+    extend ::Utils::Output::Mixin
+
     sig {
       params(
         casks: ::Cask::Cask, verbose: T::Boolean, force: T::Boolean, skip_cask_deps: T::Boolean, binaries: T::Boolean,

Library/Homebrew/cask/staged.rb

@@ -2,10 +2,12 @@
 # frozen_string_literal: true
 
 require "utils/user"
+require "utils/output"
 
 module Cask
   # Helper functions for staged casks.
   module Staged
+    include ::Utils::Output::Mixin
     extend T::Helpers
 
     requires_ancestor { ::Cask::DSL::Base }

Library/Homebrew/cask/uninstall.rb

@@ -1,8 +1,12 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Cask
   class Uninstall
+    extend ::Utils::Output::Mixin
+
     sig { params(casks: ::Cask::Cask, binaries: T::Boolean, force: T::Boolean, verbose: T::Boolean).void }
     def self.uninstall_casks(*casks, binaries: false, force: false, verbose: false)
       require "cask/installer"

Library/Homebrew/cask/upgrade.rb

@@ -3,9 +3,12 @@
 
 require "env_config"
 require "cask/config"
+require "utils/output"
 
 module Cask
   class Upgrade
+    extend ::Utils::Output::Mixin
+
     sig {
       params(
         casks:               Cask,

Library/Homebrew/cask/utils.rb

@@ -3,10 +3,13 @@
 
 require "utils/user"
 require "open3"
+require "utils/output"
 
 module Cask
   # Helper functions for various cask operations.
   module Utils
+    extend ::Utils::Output::Mixin
+
     BUG_REPORTS_URL = "https://github.com/Homebrew/homebrew-cask#reporting-bugs"
 
     def self.gain_permissions_mkpath(path, command: SystemCommand)

Library/Homebrew/cleaner.rb

@@ -1,6 +1,8 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 # Cleans a newly installed keg.
 # By default:
 #
@@ -13,6 +15,7 @@
 # * removes unresolved symlinks
 class Cleaner
   include Context
+  include Utils::Output::Mixin
 
   # Create a cleaner for the given formula.
   sig { params(formula: Formula).void }

Library/Homebrew/cleanup.rb

@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 require "utils/bottles"
+require "utils/output"
 
 require "formula"
 require "cask/cask_loader"
@@ -9,6 +10,9 @@ require "cask/cask_loader"
 module Homebrew
   # Helper class for cleaning up the Homebrew cache.
   class Cleanup
+    extend Utils::Output::Mixin
+    include Utils::Output::Mixin
+
     CLEANUP_DEFAULT_DAYS = Homebrew::EnvConfig.cleanup_periodic_full_days.to_i.freeze
     GH_ACTIONS_ARTIFACT_CLEANUP_DAYS = 3
     private_constant :CLEANUP_DEFAULT_DAYS, :GH_ACTIONS_ARTIFACT_CLEANUP_DAYS

Library/Homebrew/cli/named_args.rb

@@ -2,11 +2,13 @@
 # frozen_string_literal: true
 
 require "cli/args"
+require "utils/output"
 
 module Homebrew
   module CLI
     # Helper class for loading formulae/casks from named arguments.
     class NamedArgs < Array
+      include Utils::Output::Mixin
       extend T::Generic
 
       Elem = type_member(:out) { { fixed: String } }

Library/Homebrew/cli/parser.rb

@@ -10,10 +10,13 @@ require "commands"
 require "optparse"
 require "utils/tty"
 require "utils/formatter"
+require "utils/output"
 
 module Homebrew
   module CLI
     class Parser
+      include Utils::Output::Mixin
+
       ArgType = T.type_alias { T.any(NilClass, Symbol, T::Array[String], T::Array[Symbol]) }
       HIDDEN_DESC_PLACEHOLDER = "@@HIDDEN@@"
       SYMBOL_TO_USAGE_MAPPING = T.let({
@@ -40,7 +43,7 @@ module Homebrew
         cmd_name = cmd_args_method_name.to_s.delete_suffix("_args").tr("_", "-")
 
         begin
-          if require?(cmd_path)
+          if Homebrew.require?(cmd_path)
             cmd = Homebrew::AbstractCommand.command(cmd_name)
             if cmd
               cmd.parser

Library/Homebrew/cmd/update-report.rb

@@ -425,6 +425,8 @@ end
 require "extend/os/cmd/update-report"
 
 class Reporter
+  include Utils::Output::Mixin
+
   class ReporterRevisionUnsetError < RuntimeError
     sig { params(var_name: String).void }
     def initialize(var_name)
@@ -782,6 +784,8 @@ class Reporter
 end
 
 class ReporterHub
+  include Utils::Output::Mixin
+
   sig { returns(T::Array[Reporter]) }
   attr_reader :reporters
 

Library/Homebrew/commands.rb

@@ -1,6 +1,8 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils"
+
 # Helper functions for commands.
 module Commands
   HOMEBREW_CMD_PATH = (HOMEBREW_LIBRARY_PATH/"cmd").freeze
@@ -34,11 +36,11 @@ module Commands
   DESCRIPTION_SPLITTING_PATTERN = /\.(?>\s|$)/
 
   def self.valid_internal_cmd?(cmd)
-    require?(HOMEBREW_CMD_PATH/cmd)
+    Homebrew.require?(HOMEBREW_CMD_PATH/cmd)
   end
 
   def self.valid_internal_dev_cmd?(cmd)
-    require?(HOMEBREW_DEV_CMD_PATH/cmd)
+    Homebrew.require?(HOMEBREW_DEV_CMD_PATH/cmd)
   end
 
   def self.valid_ruby_cmd?(cmd)
@@ -76,7 +78,7 @@ module Commands
   # Ruby commands which can be `require`d without being run.
   def self.external_ruby_v2_cmd_path(cmd)
     path = which("#{cmd}.rb", tap_cmd_directories)
-    path if require?(path)
+    path if Homebrew.require?(path)
   end
 
   # Ruby commands which are run by being `require`d.

Library/Homebrew/completions.rb

@@ -8,6 +8,8 @@ require "erb"
 module Homebrew
   # Helper functions for generating shell completions.
   module Completions
+    extend Utils::Output::Mixin
+
     Variables = Struct.new(
       :aliases,
       :builtin_command_descriptions,

Library/Homebrew/diagnostic.rb

@@ -8,6 +8,7 @@ require "formulary"
 require "version"
 require "development_tools"
 require "utils/shell"
+require "utils/output"
 require "system_config"
 require "cask/caskroom"
 require "cask/quarantine"
@@ -16,6 +17,8 @@ require "system_command"
 module Homebrew
   # Module containing diagnostic checks.
   module Diagnostic
+    extend Utils::Output::Mixin
+
     sig {
       params(formulae: T::Array[Formula], hide: T::Array[String], _block: T.nilable(
         T.proc.params(formula_name: String, missing_dependencies: T::Array[Formula]).void,

Library/Homebrew/download_queue.rb

@@ -6,9 +6,12 @@ require "concurrent/promises"
 require "concurrent/executors"
 require "retryable_download"
 require "resource"
+require "utils/output"
 
 module Homebrew
   class DownloadQueue
+    include Utils::Output::Mixin
+
     sig { params(retries: Integer, force: T::Boolean, pour: T::Boolean).void }
     def initialize(retries: 1, force: false, pour: false)
       @concurrency = T.let(EnvConfig.download_concurrency, Integer)

Library/Homebrew/download_strategy.rb

@@ -7,6 +7,7 @@ require "unpack_strategy"
 require "lazy_object"
 require "lock_file"
 require "system_command"
+require "utils/output"
 
 # Need to define this before requiring Mechanize to avoid:
 #   uninitialized constant Mechanize
@@ -27,6 +28,7 @@ class AbstractDownloadStrategy
   include FileUtils
   include Context
   include SystemCommand::Mixin
+  include Utils::Output::Mixin
 
   abstract!
 

Library/Homebrew/downloadable.rb

@@ -4,9 +4,11 @@
 require "url"
 require "checksum"
 require "download_strategy"
+require "utils/output"
 
 module Downloadable
   include Context
+  include Utils::Output::Mixin
   extend T::Helpers
 
   abstract!

Library/Homebrew/env_config.rb

@@ -1,11 +1,16 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Homebrew
   # Helper module for querying Homebrew-specific environment variables.
   #
   # @api internal
   module EnvConfig
+    include Utils::Output::Mixin
+    extend Utils::Output::Mixin
+
     module_function
 
     ENVS = T.let({

Library/Homebrew/exceptions.rb

@@ -1,6 +1,8 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils/output"
+
 # Raised when a command is used wrong.
 #
 # @api internal
@@ -463,6 +465,8 @@ end
 
 # Raised when an error occurs during a formula build.
 class BuildError < RuntimeError
+  include Utils::Output::Mixin
+
   attr_reader :cmd, :args, :env
   attr_accessor :formula, :options
 

Library/Homebrew/extend/ENV/super.rb

@@ -3,6 +3,7 @@
 
 require "extend/ENV/shared"
 require "development_tools"
+require "utils/output"
 
 # ### Why `superenv`?
 #
@@ -16,6 +17,7 @@ require "development_tools"
 # 8. Build-system agnostic configuration of the toolchain
 module Superenv
   include SharedEnvExtension
+  include Utils::Output::Mixin
 
   attr_accessor :keg_only_deps, :deps, :run_time_deps
 

Library/Homebrew/extend/kernel.rb

@@ -1,9 +1,7 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
-# Contains shorthand Homebrew utility methods like `ohai`, `opoo`, `odisabled`.
+require "utils/output"
-# TODO: move these out of `Kernel` into `Homebrew::GlobalMethods` and add
-#       necessary Sorbet and global Kernel inclusions.
 
 module Kernel
   sig { params(env: T.nilable(String)).returns(T::Boolean) }
@@ -14,279 +12,6 @@ module Kernel
   end
   private :superenv?
 
-  sig { params(path: T.nilable(T.any(String, Pathname))).returns(T::Boolean) }
-  def require?(path)
-    return false if path.nil?
-
-    if defined?(Warnings)
-      # Work around require warning when done repeatedly:
-      # https://bugs.ruby-lang.org/issues/21091
-      Warnings.ignore(/already initialized constant/, /previous definition of/) do
-        require path.to_s
-      end
-    else
-      require path.to_s
-    end
-    true
-  rescue LoadError
-    false
-  end
-
-  sig { params(title: String).returns(String) }
-  def ohai_title(title)
-    verbose = if respond_to?(:verbose?)
-      T.unsafe(self).verbose?
-    else
-      Context.current.verbose?
-    end
-
-    title = Tty.truncate(title.to_s) if $stdout.tty? && !verbose
-    Formatter.headline(title, color: :blue)
-  end
-
-  sig { params(title: T.any(String, Exception), sput: T.anything).void }
-  def ohai(title, *sput)
-    puts ohai_title(title.to_s)
-    puts sput
-  end
-
-  sig { params(title: T.any(String, Exception), sput: T.anything, always_display: T::Boolean).void }
-  def odebug(title, *sput, always_display: false)
-    debug = if respond_to?(:debug)
-      T.unsafe(self).debug?
-    else
-      Context.current.debug?
-    end
-
-    return if !debug && !always_display
-
-    $stderr.puts Formatter.headline(title.to_s, color: :magenta)
-    $stderr.puts sput unless sput.empty?
-  end
-
-  sig { params(title: String, truncate: T.any(Symbol, T::Boolean)).returns(String) }
-  def oh1_title(title, truncate: :auto)
-    verbose = if respond_to?(:verbose?)
-      T.unsafe(self).verbose?
-    else
-      Context.current.verbose?
-    end
-
-    title = Tty.truncate(title.to_s) if $stdout.tty? && !verbose && truncate == :auto
-    Formatter.headline(title, color: :green)
-  end
-
-  sig { params(title: String, truncate: T.any(Symbol, T::Boolean)).void }
-  def oh1(title, truncate: :auto)
-    puts oh1_title(title, truncate:)
-  end
-
-  # Print a warning message.
-  #
-  # @api public
-  sig { params(message: T.any(String, Exception)).void }
-  def opoo(message)
-    require "utils/github/actions"
-    return if GitHub::Actions.puts_annotation_if_env_set!(:warning, message.to_s)
-
-    require "utils/formatter"
-
-    Tty.with($stderr) do |stderr|
-      stderr.puts Formatter.warning(message, label: "Warning")
-    end
-  end
-
-  # Print a warning message only if not running in GitHub Actions.
-  #
-  # @api public
-  sig { params(message: T.any(String, Exception)).void }
-  def opoo_outside_github_actions(message)
-    require "utils/github/actions"
-    return if GitHub::Actions.env_set?
-
-    opoo(message)
-  end
-
-  # Print an error message.
-  #
-  # @api public
-  sig { params(message: T.any(String, Exception)).void }
-  def onoe(message)
-    require "utils/github/actions"
-    return if GitHub::Actions.puts_annotation_if_env_set!(:error, message.to_s)
-
-    require "utils/formatter"
-
-    Tty.with($stderr) do |stderr|
-      stderr.puts Formatter.error(message, label: "Error")
-    end
-  end
-
-  # Print an error message and fail at the end of the program.
-  #
-  # @api public
-  sig { params(error: T.any(String, Exception)).void }
-  def ofail(error)
-    onoe error
-    Homebrew.failed = true
-  end
-
-  # Print an error message and fail immediately.
-  #
-  # @api public
-  sig { params(error: T.any(String, Exception)).returns(T.noreturn) }
-  def odie(error)
-    onoe error
-    exit 1
-  end
-
-  # Output a deprecation warning/error message.
-  sig {
-    params(method: String, replacement: T.nilable(T.any(String, Symbol)), disable: T::Boolean,
-           disable_on: T.nilable(Time), disable_for_developers: T::Boolean, caller: T::Array[String]).void
-  }
-  def odeprecated(method, replacement = nil,
-                  disable:                false,
-                  disable_on:             nil,
-                  disable_for_developers: true,
-                  caller:                 send(:caller))
-    replacement_message = if replacement
-      "Use #{replacement} instead."
-    else
-      "There is no replacement."
-    end
-
-    unless disable_on.nil?
-      if disable_on > Time.now
-        will_be_disabled_message = " and will be disabled on #{disable_on.strftime("%Y-%m-%d")}"
-      else
-        disable = true
-      end
-    end
-
-    verb = if disable
-      "disabled"
-    else
-      "deprecated#{will_be_disabled_message}"
-    end
-
-    # Try to show the most relevant location in message, i.e. (if applicable):
-    # - Location in a formula.
-    # - Location of caller of deprecated method (if all else fails).
-    backtrace = caller
-
-    # Don't throw deprecations at all for cached, .brew or .metadata files.
-    return if backtrace.any? do |line|
-      next true if line.include?(HOMEBREW_CACHE.to_s)
-      next true if line.include?("/.brew/")
-      next true if line.include?("/.metadata/")
-
-      next false unless line.match?(HOMEBREW_TAP_PATH_REGEX)
-
-      path = Pathname(line.split(":", 2).first)
-      next false unless path.file?
-      next false unless path.readable?
-
-      formula_contents = path.read
-      formula_contents.include?(" deprecate! ") || formula_contents.include?(" disable! ")
-    end
-
-    tap_message = T.let(nil, T.nilable(String))
-
-    backtrace.each do |line|
-      next unless (match = line.match(HOMEBREW_TAP_PATH_REGEX))
-
-      require "tap"
-
-      tap = Tap.fetch(match[:user], match[:repository])
-      tap_message = "\nPlease report this issue to the #{tap.full_name} tap"
-      tap_message += " (not Homebrew/* repositories)" unless tap.official?
-      tap_message += ", or even better, submit a PR to fix it" if replacement
-      tap_message << ":\n  #{line.sub(/^(.*:\d+):.*$/, '\1')}\n\n"
-      break
-    end
-    file, line, = backtrace.first.split(":")
-    line = line.to_i if line.present?
-
-    message = "Calling #{method} is #{verb}! #{replacement_message}"
-    message << tap_message if tap_message
-    message.freeze
-
-    disable = true if disable_for_developers && Homebrew::EnvConfig.developer?
-    if disable || Homebrew.raise_deprecation_exceptions?
-      require "utils/github/actions"
-      GitHub::Actions.puts_annotation_if_env_set!(:error, message, file:, line:)
-      exception = MethodDeprecatedError.new(message)
-      exception.set_backtrace(backtrace)
-      raise exception
-    elsif !Homebrew.auditing?
-      opoo message
-    end
-  end
-
-  sig {
-    params(method: String, replacement: T.nilable(T.any(String, Symbol)),
-           disable_on: T.nilable(Time), disable_for_developers: T::Boolean, caller: T::Array[String]).void
-  }
-  def odisabled(method, replacement = nil,
-                disable_on:             nil,
-                disable_for_developers: true,
-                caller:                 send(:caller))
-    # This odeprecated should stick around indefinitely.
-    odeprecated(method, replacement, disable: true, disable_on:, disable_for_developers:, caller:)
-  end
-
-  sig { params(string: String).returns(String) }
-  def pretty_installed(string)
-    if !$stdout.tty?
-      string
-    elsif Homebrew::EnvConfig.no_emoji?
-      Formatter.success("#{Tty.bold}#{string} (installed)#{Tty.reset}")
-    else
-      "#{Tty.bold}#{string} #{Formatter.success("✔")}#{Tty.reset}"
-    end
-  end
-
-  sig { params(string: String).returns(String) }
-  def pretty_outdated(string)
-    if !$stdout.tty?
-      string
-    elsif Homebrew::EnvConfig.no_emoji?
-      Formatter.error("#{Tty.bold}#{string} (outdated)#{Tty.reset}")
-    else
-      "#{Tty.bold}#{string} #{Formatter.warning("⚠")}#{Tty.reset}"
-    end
-  end
-
-  sig { params(string: String).returns(String) }
-  def pretty_uninstalled(string)
-    if !$stdout.tty?
-      string
-    elsif Homebrew::EnvConfig.no_emoji?
-      Formatter.error("#{Tty.bold}#{string} (uninstalled)#{Tty.reset}")
-    else
-      "#{Tty.bold}#{string} #{Formatter.error("✘")}#{Tty.reset}"
-    end
-  end
-
-  sig { params(seconds: T.nilable(T.any(Integer, Float))).returns(String) }
-  def pretty_duration(seconds)
-    seconds = seconds.to_i
-    res = +""
-
-    if seconds > 59
-      minutes = seconds / 60
-      seconds %= 60
-      res = +Utils.pluralize("minute", minutes, include_count: true)
-      return res.freeze if seconds.zero?
-
-      res << " "
-    end
-
-    res << Utils.pluralize("second", seconds, include_count: true)
-    res.freeze
-  end
-
   sig { params(formula: T.nilable(Formula)).void }
   def interactive_shell(formula = nil)
     unless formula.nil?
@@ -368,7 +93,7 @@ module Kernel
     editor ||= "vim"
 
     unless silent
-      opoo <<~EOS
+      Utils::Output.opoo <<~EOS
         Using #{editor} because no editor was set in the environment.
         This may change in the future, so we recommend setting `$EDITOR`
         or `$HOMEBREW_EDITOR` to your preferred text editor.

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

@@ -1,6 +1,8 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module OS
   module Linux
     module Install
@@ -108,7 +110,7 @@ module OS
               ::Kernel.system HOMEBREW_PREFIX/"opt/glibc/sbin/ldconfig"
             end
           else
-            ::Kernel.odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
+            Utils::Output.odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
           end
 
           GCC_RUNTIME_LIBS.each do |library|

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

@@ -1,11 +1,14 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module OS
   module Mac
     module Readall
       module ClassMethods
         extend T::Helpers
+        include ::Utils::Output::Mixin
 
         requires_ancestor { Kernel }
 

Library/Homebrew/extend/pathname.rb

@@ -4,12 +4,14 @@
 require "system_command"
 require "extend/pathname/disk_usage_extension"
 require "extend/pathname/observer_pathname_extension"
+require "utils/output"
 
 # Homebrew extends Ruby's `Pathname` to make our code more readable.
 # @see https://ruby-doc.org/stdlib-2.6.3/libdoc/pathname/rdoc/Pathname.html Ruby's Pathname API
 class Pathname
   include SystemCommand::Mixin
   include DiskUsageExtension
+  include Utils::Output::Mixin
 
   # Moves a file from the original location to the {Pathname}'s.
   #

Library/Homebrew/extend/time.rb

@@ -2,8 +2,11 @@
 # frozen_string_literal: true
 
 require "time"
+require "utils/output"
 
 class Time
+  include Utils::Output::Mixin
+
   # Backwards compatibility for formulae that used this ActiveSupport extension
   sig { returns(String) }
   def rfc3339

Library/Homebrew/formula.rb

@@ -41,6 +41,7 @@ require "utils/spdx"
 require "on_system"
 require "api"
 require "api_hashable"
+require "utils/output"
 
 # A formula provides instructions and metadata for Homebrew to install a piece
 # of software. Every Homebrew formula is a {Formula}.
@@ -75,6 +76,7 @@ class Formula
   include FileUtils
   include Utils::Shebang
   include Utils::Shell
+  include Utils::Output::Mixin
   include Context
   include OnSystem::MacOSAndLinux
   include Homebrew::Livecheck::Constants
@@ -82,6 +84,7 @@ class Formula
   extend Cachable
   extend APIHashable
   extend T::Helpers
+  extend Utils::Output::Mixin
 
   abstract!
 

Library/Homebrew/formula_assertions.rb

@@ -1,10 +1,13 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Homebrew
   # Helper functions available in formula `test` blocks.
   module Assertions
     include Context
+    include ::Utils::Output::Mixin
     extend T::Helpers
 
     requires_ancestor { Kernel }

Library/Homebrew/formula_auditor.rb

@@ -6,12 +6,14 @@ require "formula_versions"
 require "formula_name_cask_token_auditor"
 require "resource_auditor"
 require "utils/shared_audits"
+require "utils/output"
 
 module Homebrew
   # Auditor for checking common violations in {Formula}e.
   class FormulaAuditor
     include FormulaCellarChecks
     include Utils::Curl
+    include Utils::Output::Mixin
 
     attr_reader :formula, :text, :problems, :new_formula_problems
 

Library/Homebrew/formula_creator.rb

@@ -4,10 +4,13 @@
 require "digest"
 require "erb"
 require "utils/github"
+require "utils/output"
 
 module Homebrew
   # Class for generating a formula from a template.
   class FormulaCreator
+    include Utils::Output::Mixin
+
     sig { returns(String) }
     attr_accessor :name
 

Library/Homebrew/formula_installer.rb

@@ -24,10 +24,12 @@ require "service"
 require "attestation"
 require "sbom"
 require "utils/fork"
+require "utils/output"
 
 # Installer for a formula.
 class FormulaInstaller
   include FormulaCellarChecks
+  include Utils::Output::Mixin
 
   ETC_VAR_DIRS = T.let([HOMEBREW_PREFIX/"etc", HOMEBREW_PREFIX/"var"].freeze, T::Array[Pathname])
 

Library/Homebrew/formula_versions.rb

@@ -2,12 +2,14 @@
 # frozen_string_literal: true
 
 require "formula"
+require "utils/output"
 
 # Helper class for traversing a formula's previous versions.
 #
 # @api internal
 class FormulaVersions
   include Context
+  include Utils::Output::Mixin
 
   IGNORED_EXCEPTIONS = [
     ArgumentError, NameError, SyntaxError, TypeError,

Library/Homebrew/formulary.rb

@@ -6,6 +6,7 @@ require "cachable"
 require "tab"
 require "utils"
 require "utils/bottles"
+require "utils/output"
 require "service"
 require "utils/curl"
 require "deprecate_disable"
@@ -18,6 +19,8 @@ require "tap"
 module Formulary
   extend Context
   extend Cachable
+  extend Utils::Output::Mixin
+  include Utils::Output::Mixin
 
   ALLOWED_URL_SCHEMES = %w[file].freeze
   private_constant :ALLOWED_URL_SCHEMES
@@ -559,6 +562,7 @@ module Formulary
   # Subclasses implement loaders for particular sources of formulae.
   class FormulaLoader
     include Context
+    include Utils::Output::Mixin
 
     # The formula's name.
     sig { returns(String) }
@@ -609,6 +613,8 @@ module Formulary
 
   # Loads a formula from a bottle.
   class FromBottleLoader < FormulaLoader
+    include Utils::Output::Mixin
+
     sig {
       params(ref: T.any(String, Pathname, URI::Generic), from: T.nilable(Symbol), warn: T::Boolean)
         .returns(T.nilable(T.attached_class))

Library/Homebrew/formulary.rbi

@@ -1,5 +0,0 @@
-# typed: strict
-
-module Formulary
-  include Kernel
-end

Library/Homebrew/github_packages.rb

@@ -3,6 +3,7 @@
 
 require "utils/curl"
 require "utils/gzip"
+require "utils/output"
 require "json"
 require "zlib"
 require "extend/hash/keys"
@@ -12,6 +13,7 @@ require "system_command"
 class GitHubPackages
   include Context
   include SystemCommand::Mixin
+  include Utils::Output::Mixin
 
   URL_DOMAIN = "ghcr.io"
   URL_PREFIX = "https://#{URL_DOMAIN}/v2/".freeze

Library/Homebrew/github_releases.rb

@@ -2,11 +2,13 @@
 # frozen_string_literal: true
 
 require "utils/github"
+require "utils/output"
 require "json"
 
 # GitHub Releases client.
 class GitHubReleases
   include Context
+  include Utils::Output::Mixin
 
   URL_REGEX = %r{https://github\.com/([\w-]+)/([\w-]+)?/releases/download/(.+)}
 

Library/Homebrew/help.rb

@@ -3,10 +3,13 @@
 
 require "cli/parser"
 require "commands"
+require "utils/output"
 
 module Homebrew
   # Helper module for printing help output.
   module Help
+    extend Utils::Output::Mixin
+
     sig {
       params(
         cmd:            T.nilable(String),

Library/Homebrew/install.rb

@@ -7,10 +7,13 @@ require "hardware"
 require "development_tools"
 require "upgrade"
 require "download_queue"
+require "utils/output"
 
 module Homebrew
   # Helper module for performing (pre-)install checks.
   module Install
+    extend Utils::Output::Mixin
+
     class << self
       sig { params(all_fatal: T::Boolean).void }
       def perform_preinstall_checks_once(all_fatal: false)

Library/Homebrew/keg.rb

@@ -5,10 +5,12 @@ require "keg_relocate"
 require "language/python"
 require "lock_file"
 require "cachable"
+require "utils/output"
 
 # Installation prefix of a formula.
 class Keg
   extend Cachable
+  include Utils::Output::Mixin
 
   # Error for when a keg is already linked.
   class AlreadyLinkedError < RuntimeError

Library/Homebrew/language/node.rb

@@ -1,11 +1,15 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 module Language
   # Helper functions for Node formulae.
   #
   # @api public
   module Node
+    extend ::Utils::Output::Mixin
+
     sig { returns(String) }
     def self.npm_cache_config
       "cache=#{HOMEBREW_CACHE}/npm_cache"

Library/Homebrew/linkage_checker.rb

@@ -5,9 +5,12 @@ require "keg"
 require "formula"
 require "linkage_cache_store"
 require "fiddle"
+require "utils/output"
 
 # Check for broken/missing linkage in a formula's keg.
 class LinkageChecker
+  include Utils::Output::Mixin
+
   attr_reader :undeclared_deps, :keg, :formula, :store
 
   def initialize(keg, formula = nil, cache_db:, rebuild_cache: false)

Library/Homebrew/livecheck/livecheck.rb

@@ -7,12 +7,15 @@ require "livecheck/livecheck_version"
 require "livecheck/skip_conditions"
 require "livecheck/strategy"
 require "addressable"
+require "utils/output"
 
 module Homebrew
   # The {Livecheck} module consists of methods used by the `brew livecheck`
   # command. These methods print the requested livecheck information
   # for formulae.
   module Livecheck
+    extend Utils::Output::Mixin
+
     NO_CURRENT_VERSION_MSG = "Unable to identify current version"
     NO_VERSIONS_MSG = "Unable to get versions"
 

Library/Homebrew/lock_file.rb

@@ -2,9 +2,12 @@
 # frozen_string_literal: true
 
 require "fcntl"
+require "utils/output"
 
 # A lock file to prevent multiple Homebrew processes from modifying the same path.
 class LockFile
+  include Utils::Output::Mixin
+
   class OpenFileChangedOnDisk < RuntimeError; end
   private_constant :OpenFileChangedOnDisk
 

Library/Homebrew/messages.rb

@@ -1,9 +1,13 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 # A {Messages} object collects messages that may need to be displayed together
 # at the end of a multi-step `brew` command run.
 class Messages
+  include ::Utils::Output::Mixin
+
   sig { returns(T::Array[{ package: String, caveats: T.any(String, Caveats) }]) }
   attr_reader :caveats
 

Library/Homebrew/migrator.rb

@@ -4,10 +4,13 @@
 require "lock_file"
 require "keg"
 require "tab"
+require "utils/output"
 
 # Helper class for migrating a formula from an old to a new name.
 class Migrator
+  extend Utils::Output::Mixin
   include Context
+  include Utils::Output::Mixin
 
   # Error for when a migration is necessary.
   class MigrationNeededError < RuntimeError

Library/Homebrew/missing_formula.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "formulary"
+require "utils/output"
 
 module Homebrew
   # Helper module for checking if there is a reason a formula is missing.
   module MissingFormula
+    extend Utils::Output::Mixin
+
     class << self
       sig { params(name: String, silent: T::Boolean, show_info: T::Boolean).returns(T.nilable(String)) }
       def reason(name, silent: false, show_info: false)

Library/Homebrew/mktemp.rb

@@ -1,10 +1,14 @@
 # typed: strict
 # frozen_string_literal: true
 
+require "utils/output"
+
 # Performs {Formula#mktemp}'s functionality and tracks the results.
 # Each instance is only intended to be used once.
 # Can also be used to create a temporary directory with the brew instance's group.
 class Mktemp
+  include Utils::Output::Mixin
+
   # Path to the tmpdir used in this run
   sig { returns(T.nilable(Pathname)) }
   attr_reader :tmpdir

Library/Homebrew/patch.rb

@@ -3,6 +3,7 @@
 
 require "resource"
 require "erb"
+require "utils/output"
 
 # Helper module for creating patches.
 module Patch
@@ -96,6 +97,8 @@ end
 
 # A file containing a patch.
 class ExternalPatch
+  include Utils::Output::Mixin
+
   extend Forwardable
 
   attr_reader :resource, :strip

Library/Homebrew/readall.rb

@@ -4,11 +4,13 @@
 require "formula"
 require "cask/cask_loader"
 require "system_command"
+require "utils/output"
 
 # Helper module for validating syntax in taps.
 module Readall
   extend Cachable
   extend SystemCommand::Mixin
+  extend Utils::Output::Mixin
 
   # TODO: remove this once the `MacOS` module is undefined on Linux
   MACOS_MODULE_REGEX = /\b(MacOS|OS::Mac)(\.|::)\b/

Library/Homebrew/reinstall.rb

@@ -3,6 +3,7 @@
 
 require "development_tools"
 require "messages"
+require "utils/output"
 
 # Needed to handle circular require dependency.
 # rubocop:disable Lint/EmptyClass
@@ -11,6 +12,8 @@ class FormulaInstaller; end
 
 module Homebrew
   module Reinstall
+    extend Utils::Output::Mixin
+
     class InstallationContext < T::Struct
       const :formula_installer, ::FormulaInstaller
       const :keg, T.nilable(Keg)

Library/Homebrew/requirement.rb

@@ -5,12 +5,14 @@ require "dependable"
 require "dependency"
 require "dependencies"
 require "build_environment"
+require "utils/output"
 
 # A base class for non-formula requirements needed by formulae.
 # A fatal requirement is one that will fail the build if it is not present.
 # By default, requirements are non-fatal.
 class Requirement
   include Dependable
+  include Utils::Output::Mixin
   extend Cachable
   extend T::Helpers
 

Library/Homebrew/resource.rb

@@ -5,6 +5,7 @@ require "downloadable"
 require "mktemp"
 require "livecheck"
 require "on_system"
+require "utils/output"
 
 # Resource is the fundamental representation of an external resource. The
 # primary formula download, along with other declared resources, are instances
@@ -13,6 +14,7 @@ class Resource
   include Downloadable
   include FileUtils
   include OnSystem::MacOSAndLinux
+  include Utils::Output::Mixin
 
   attr_reader :source_modified_time, :patches, :owner
   attr_writer :checksum

Library/Homebrew/retryable_download.rb

@@ -3,10 +3,12 @@
 
 require "bottle"
 require "api/json_download"
+require "utils/output"
 
 module Homebrew
   class RetryableDownload
     include Downloadable
+    include Utils::Output::Mixin
 
     sig { override.returns(T.any(NilClass, String, URL)) }
     def url = downloadable.url

Library/Homebrew/sandbox.rb

@@ -6,9 +6,12 @@ require "io/console"
 require "pty"
 require "tempfile"
 require "utils/fork"
+require "utils/output"
 
 # Helper class for running a sub-process inside of a sandboxed environment.
 class Sandbox
+  include Utils::Output::Mixin
+
   SANDBOX_EXEC = "/usr/bin/sandbox-exec"
 
   # This is defined in the macOS SDK but Ruby unfortunately does not expose it.

Library/Homebrew/sbom.rb

@@ -6,9 +6,12 @@ require "json"
 require "development_tools"
 require "cachable"
 require "utils/curl"
+require "utils/output"
 
 # Rather than calling `new` directly, use one of the class methods like {SBOM.create}.
 class SBOM
+  include Utils::Output::Mixin
+
   FILENAME = "sbom.spdx.json"
   SCHEMA_FILE = (HOMEBREW_LIBRARY_PATH/"data/schemas/sbom.json").freeze
 
@@ -87,7 +90,7 @@ class SBOM
 
   sig { params(bottling: T::Boolean).returns(T::Array[T::Hash[String, T.untyped]]) }
   def schema_validation_errors(bottling: false)
-    unless require? "json_schemer"
+    unless Homebrew.require? "json_schemer"
       error_message = "Need json_schemer to validate SBOM, run `brew install-bundler-gems --add-groups=bottle`!"
       odie error_message if ENV["HOMEBREW_ENFORCE_SBOM"]
       return []

Library/Homebrew/search.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "description_cache_store"
+require "utils/output"
 
 module Homebrew
   # Helper module for searching formulae or casks.
   module Search
+    extend Utils::Output::Mixin
+
     def self.query_regexp(query)
       if (m = query.match(%r{^/(.*)/$}))
         Regexp.new(m[1])

Library/Homebrew/services/cli.rb

@@ -3,11 +3,13 @@
 
 require "services/formula_wrapper"
 require "fileutils"
+require "utils/output"
 
 module Homebrew
   module Services
     module Cli
       extend FileUtils
+      extend Utils::Output::Mixin
 
       sig { returns(T.nilable(String)) }
       def self.sudo_service_user

Library/Homebrew/services/commands/list.rb

@@ -3,11 +3,14 @@
 
 require "services/cli"
 require "services/formulae"
+require "utils/output"
 
 module Homebrew
   module Services
     module Commands
       module List
+        extend Utils::Output::Mixin
+
         TRIGGERS = [nil, "list", "ls"].freeze
 
         sig { params(json: T::Boolean).void }

Library/Homebrew/services/formula_wrapper.rb

@@ -1,11 +1,15 @@
 # typed: true # rubocop:todo Sorbet/StrictSigil
 # frozen_string_literal: true
 
+require "utils/output"
+
 # Wrapper for a formula to handle service-related stuff like parsing and
 # generating the service/plist files.
 module Homebrew
   module Services
     class FormulaWrapper
+      include Utils::Output::Mixin
+
       # Access the `Formula` instance.
       sig { returns(Formula) }
       attr_reader :formula

Library/Homebrew/services/system.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require_relative "system/systemctl"
+require "utils/output"
 
 module Homebrew
   module Services
     module System
+      extend Utils::Output::Mixin
+
       LAUNCHCTL_DOMAIN_ACTION_NOT_SUPPORTED = T.let(125, Integer)
 
       # Path to launchctl binary.

Library/Homebrew/style.rb

@@ -4,10 +4,12 @@
 require "shellwords"
 require "source_location"
 require "system_command"
+require "utils/output"
 
 module Homebrew
   # Helper module for running RuboCop.
   module Style
+    extend Utils::Output::Mixin
     extend SystemCommand::Mixin
 
     # Checks style for a list of files, printing simple RuboCop output.

Library/Homebrew/system_command.rb

@@ -8,6 +8,7 @@ require "uri"
 require "context"
 require "readline_nonblock"
 require "utils/timer"
+require "utils/output"
 
 # Class for running sub-processes and capturing their output and exit status.
 #
@@ -380,6 +381,7 @@ class SystemCommand
   # Result containing the output and exit status of a finished sub-process.
   class Result
     include Context
+    include Utils::Output::Mixin
 
     attr_accessor :command, :status, :exit_status
 

Library/Homebrew/tap.rb

@@ -4,6 +4,7 @@
 require "api"
 require "commands"
 require "settings"
+require "utils/output"
 
 # A {Tap} is used to encapsulate Homebrew formulae, casks and custom commands.
 # Usually, it's synced with a remote Git repository. And it's likely
@@ -13,6 +14,8 @@ require "settings"
 # repository name without the leading `homebrew-`.
 class Tap
   extend Cachable
+  extend Utils::Output::Mixin
+  include Utils::Output::Mixin
 
   HOMEBREW_TAP_CASK_RENAMES_FILE = "cask_renames.json"
   private_constant :HOMEBREW_TAP_CASK_RENAMES_FILE

Library/Homebrew/test/bundle/dsl_spec.rb

@@ -103,7 +103,6 @@ RSpec.describe Homebrew::Bundle::Dsl do
   end
 
   it ".sanitize_cask_name" do
-    allow_any_instance_of(Object).to receive(:opoo)
     expect(described_class.send(:sanitize_cask_name, "homebrew/cask-versions/adoptopenjdk8")).to eql("adoptopenjdk8")
     expect(described_class.send(:sanitize_cask_name, "adoptopenjdk8")).to eql("adoptopenjdk8")
   end

Library/Homebrew/test/cask/dsl_spec.rb

@@ -22,9 +22,7 @@ RSpec.describe Cask::DSL, :cask, :no_api do
     it "prints an error that it has encountered an unexpected method" do
       expected = Regexp.compile(<<~EOS.lines.map(&:chomp).join)
         (?m)
-        Error:
+        Error: Unexpected method 'future_feature' called on Cask unexpected-method-cask\\.
-        .*
-        Unexpected method 'future_feature' called on Cask unexpected-method-cask\\.
         .*
         https://github.com/Homebrew/homebrew-cask#reporting-bugs
       EOS

Library/Homebrew/test/extend/kernel_spec.rb

@@ -3,92 +3,6 @@
 RSpec.describe Kernel do
   let(:dir) { mktmpdir }
 
-  def esc(code)
-    /(\e\[\d+m)*\e\[#{code}m/
-  end
-
-  describe "#ofail" do
-    it "sets Homebrew.failed to true" do
-      expect do
-        ofail "foo"
-      end.to output("Error: foo\n").to_stderr
-
-      expect(Homebrew).to have_failed
-    end
-  end
-
-  describe "#odie" do
-    it "exits with 1" do
-      expect do
-        odie "foo"
-      end.to output("Error: foo\n").to_stderr.and raise_error SystemExit
-    end
-  end
-
-  describe "#pretty_installed" do
-    subject(:pretty_installed_output) { pretty_installed("foo") }
-
-    context "when $stdout is a TTY" do
-      before { allow($stdout).to receive(:tty?).and_return(true) }
-
-      context "with HOMEBREW_NO_EMOJI unset" do
-        it "returns a string with a colored checkmark" do
-          expect(pretty_installed_output)
-            .to match(/#{esc 1}foo #{esc 32}✔#{esc 0}/)
-        end
-      end
-
-      context "with HOMEBREW_NO_EMOJI set" do
-        before { ENV["HOMEBREW_NO_EMOJI"] = "1" }
-
-        it "returns a string with colored info" do
-          expect(pretty_installed_output)
-            .to match(/#{esc 1}foo \(installed\)#{esc 0}/)
-        end
-      end
-    end
-
-    context "when $stdout is not a TTY" do
-      before { allow($stdout).to receive(:tty?).and_return(false) }
-
-      it "returns plain text" do
-        expect(pretty_installed_output).to eq("foo")
-      end
-    end
-  end
-
-  describe "#pretty_uninstalled" do
-    subject(:pretty_uninstalled_output) { pretty_uninstalled("foo") }
-
-    context "when $stdout is a TTY" do
-      before { allow($stdout).to receive(:tty?).and_return(true) }
-
-      context "with HOMEBREW_NO_EMOJI unset" do
-        it "returns a string with a colored checkmark" do
-          expect(pretty_uninstalled_output)
-            .to match(/#{esc 1}foo #{esc 31}✘#{esc 0}/)
-        end
-      end
-
-      context "with HOMEBREW_NO_EMOJI set" do
-        before { ENV["HOMEBREW_NO_EMOJI"] = "1" }
-
-        it "returns a string with colored info" do
-          expect(pretty_uninstalled_output)
-            .to match(/#{esc 1}foo \(uninstalled\)#{esc 0}/)
-        end
-      end
-    end
-
-    context "when $stdout is not a TTY" do
-      before { allow($stdout).to receive(:tty?).and_return(false) }
-
-      it "returns plain text" do
-        expect(pretty_uninstalled_output).to eq("foo")
-      end
-    end
-  end
-
   describe "#interactive_shell" do
     let(:shell) { dir/"myshell" }
 
@@ -155,16 +69,6 @@ RSpec.describe Kernel do
     expect(which_editor).to eq("vemate -w")
   end
 
-  describe "#pretty_duration" do
-    it "converts seconds to a human-readable string" do
-      expect(pretty_duration(1)).to eq("1 second")
-      expect(pretty_duration(2.5)).to eq("2 seconds")
-      expect(pretty_duration(42)).to eq("42 seconds")
-      expect(pretty_duration(240)).to eq("4 minutes")
-      expect(pretty_duration(252.45)).to eq("4 minutes 12 seconds")
-    end
-  end
-
   specify "#disk_usage_readable" do
     expect(disk_usage_readable(1)).to eq("1B")
     expect(disk_usage_readable(1000)).to eq("1000B")
@@ -198,22 +102,6 @@ RSpec.describe Kernel do
     expect(s).to eq(("x" * (n - glue.length)) + glue)
   end
 
-  describe "#odeprecated" do
-    it "raises a MethodDeprecatedError when `disable` is true" do
-      ENV.delete("HOMEBREW_DEVELOPER")
-      expect do
-        odeprecated(
-          "method", "replacement",
-          caller:  ["#{HOMEBREW_LIBRARY}/Taps/playbrew/homebrew-play/"],
-          disable: true
-        )
-      end.to raise_error(
-        MethodDeprecatedError,
-        %r{method.*replacement.*playbrew/homebrew-play.*/Taps/playbrew/homebrew-play/}m,
-      )
-    end
-  end
-
   describe "#with_env" do
     it "sets environment variables within the block" do
       expect(ENV.fetch("PATH")).not_to eq("/bin")

Library/Homebrew/test/support/helper/cmd/brew-verify-undefined.rb

@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 require "cli/parser"
+require "utils/output"
 
 UNDEFINED_CONSTANTS = %w[
   AbstractDownloadStrategy
@@ -74,7 +75,7 @@ parser.parse
 
 UNDEFINED_CONSTANTS.each do |constant_name|
   Object.const_get(constant_name)
-  ofail "#{constant_name} should not be defined at startup"
+  Utils::Output.ofail "#{constant_name} should not be defined at startup"
 rescue NameError
   # We expect this to error as it should not be defined.
 end

Library/Homebrew/test/tap_spec.rb

@@ -22,6 +22,9 @@ RSpec.describe Tap do
     path.mkpath
     (path/"audit_exceptions").mkpath
     (path/"style_exceptions").mkpath
+
+    # requiring utils/output in tap.rb should be enough but it's not for no apparent reason.
+    $stderr.extend(Utils::Output::Mixin)
   end
 
   def setup_tap_files

Library/Homebrew/test/utils/output_spec.rb

@@ -0,0 +1,117 @@
+# frozen_string_literal: true
+
+require "utils/output"
+
+RSpec.describe Utils::Output do
+  def esc(code)
+    /(\e\[\d+m)*\e\[#{code}m/
+  end
+
+  describe "#pretty_installed" do
+    subject(:pretty_installed_output) { described_class.pretty_installed("foo") }
+
+    context "when $stdout is a TTY" do
+      before { allow($stdout).to receive(:tty?).and_return(true) }
+
+      context "with HOMEBREW_NO_EMOJI unset" do
+        it "returns a string with a colored checkmark" do
+          expect(pretty_installed_output)
+            .to match(/#{esc 1}foo #{esc 32}✔#{esc 0}/)
+        end
+      end
+
+      context "with HOMEBREW_NO_EMOJI set" do
+        before { ENV["HOMEBREW_NO_EMOJI"] = "1" }
+
+        it "returns a string with colored info" do
+          expect(pretty_installed_output)
+            .to match(/#{esc 1}foo \(installed\)#{esc 0}/)
+        end
+      end
+    end
+
+    context "when $stdout is not a TTY" do
+      before { allow($stdout).to receive(:tty?).and_return(false) }
+
+      it "returns plain text" do
+        expect(pretty_installed_output).to eq("foo")
+      end
+    end
+  end
+
+  describe "#pretty_uninstalled" do
+    subject(:pretty_uninstalled_output) { described_class.pretty_uninstalled("foo") }
+
+    context "when $stdout is a TTY" do
+      before { allow($stdout).to receive(:tty?).and_return(true) }
+
+      context "with HOMEBREW_NO_EMOJI unset" do
+        it "returns a string with a colored checkmark" do
+          expect(pretty_uninstalled_output)
+            .to match(/#{esc 1}foo #{esc 31}✘#{esc 0}/)
+        end
+      end
+
+      context "with HOMEBREW_NO_EMOJI set" do
+        before { ENV["HOMEBREW_NO_EMOJI"] = "1" }
+
+        it "returns a string with colored info" do
+          expect(pretty_uninstalled_output)
+            .to match(/#{esc 1}foo \(uninstalled\)#{esc 0}/)
+        end
+      end
+    end
+
+    context "when $stdout is not a TTY" do
+      before { allow($stdout).to receive(:tty?).and_return(false) }
+
+      it "returns plain text" do
+        expect(pretty_uninstalled_output).to eq("foo")
+      end
+    end
+  end
+
+  describe "#pretty_duration" do
+    it "converts seconds to a human-readable string" do
+      expect(described_class.pretty_duration(1)).to eq("1 second")
+      expect(described_class.pretty_duration(2.5)).to eq("2 seconds")
+      expect(described_class.pretty_duration(42)).to eq("42 seconds")
+      expect(described_class.pretty_duration(240)).to eq("4 minutes")
+      expect(described_class.pretty_duration(252.45)).to eq("4 minutes 12 seconds")
+    end
+  end
+
+  describe "#ofail" do
+    it "sets Homebrew.failed to true" do
+      expect do
+        described_class.ofail "foo"
+      end.to output("Error: foo\n").to_stderr
+
+      expect(Homebrew).to have_failed
+    end
+  end
+
+  describe "#odie" do
+    it "exits with 1" do
+      expect do
+        described_class.odie "foo"
+      end.to output("Error: foo\n").to_stderr.and raise_error SystemExit
+    end
+  end
+
+  describe "#odeprecated" do
+    it "raises a MethodDeprecatedError when `disable` is true" do
+      ENV.delete("HOMEBREW_DEVELOPER")
+      expect do
+        described_class.odeprecated(
+          "method", "replacement",
+          caller:  ["#{HOMEBREW_LIBRARY}/Taps/playbrew/homebrew-play/"],
+          disable: true
+        )
+      end.to raise_error(
+        MethodDeprecatedError,
+        %r{method.*replacement.*playbrew/homebrew-play.*/Taps/playbrew/homebrew-play/}m,
+      )
+    end
+  end
+end

Library/Homebrew/uninstall.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "installed_dependents"
+require "utils/output"
 
 module Homebrew
   # Helper module for uninstalling kegs.
   module Uninstall
+    extend ::Utils::Output::Mixin
+
     def self.uninstall_kegs(kegs_by_rack, casks: [], force: false, ignore_dependencies: false, named_args: [])
       handle_unsatisfied_dependents(kegs_by_rack,
                                     casks:,
@@ -122,6 +125,8 @@ module Homebrew
     end
 
     class DependentsMessage
+      include ::Utils::Output::Mixin
+
       attr_reader :reqs, :deps, :named_args
 
       def initialize(requireds, dependents, named_args: [])

Library/Homebrew/unpack_strategy.rb

@@ -3,11 +3,14 @@
 
 require "mktemp"
 require "system_command"
+require "utils/output"
 
 # Module containing all available strategies for unpacking archives.
 module UnpackStrategy
   extend T::Helpers
+  extend Utils::Output::Mixin
   include SystemCommand::Mixin
+  include Utils::Output::Mixin
 
   abstract!
 

Library/Homebrew/unpack_strategy/dmg.rb

@@ -3,6 +3,7 @@
 
 require "tempfile"
 require "system_command"
+require "utils/output"
 
 module UnpackStrategy
   # Strategy for unpacking disk images.
@@ -12,6 +13,7 @@ module UnpackStrategy
 
     # Helper module for listing the contents of a volume mounted from a disk image.
     module Bom
+      extend Utils::Output::Mixin
       extend SystemCommand::Mixin
 
       DMG_METADATA = T.let(Set.new([

Library/Homebrew/unversioned_cask_checker.rb

@@ -5,12 +5,14 @@ require "bundle_version"
 require "cask/cask"
 require "cask/installer"
 require "system_command"
+require "utils/output"
 
 module Homebrew
   # Check unversioned casks for updates by extracting their
   # contents and guessing the version from contained files.
   class UnversionedCaskChecker
     include SystemCommand::Mixin
+    include Utils::Output::Mixin
 
     sig { returns(Cask::Cask) }
     attr_reader :cask

Library/Homebrew/upgrade.rb

@@ -7,10 +7,13 @@ require "development_tools"
 require "messages"
 require "cleanup"
 require "utils/topological_hash"
+require "utils/output"
 
 module Homebrew
   # Helper functions for upgrading formulae.
   module Upgrade
+    extend Utils::Output::Mixin
+
     class Dependents < T::Struct
       const :upgradeable, T::Array[Formula]
       const :pinned, T::Array[Formula]