From 12366f9c5ba57c85d2a12f781e3e9fe3324e075b Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Thu, 21 Aug 2025 22:33:29 +0800
Subject: [PATCH 1/3] bundle/commands/install: `typed: strict`

---
 Library/Homebrew/bundle/commands/install.rb | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/bundle/commands/install.rb b/Library/Homebrew/bundle/commands/install.rb
index 03ce65774e..2b829d0420 100644
--- a/Library/Homebrew/bundle/commands/install.rb
+++ b/Library/Homebrew/bundle/commands/install.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/brewfile"
@@ -8,6 +8,17 @@ module Homebrew
   module Bundle
     module Commands
       module Install
+        sig {
+          params(
+            global:     T::Boolean,
+            file:       T.nilable(String),
+            no_lock:    T::Boolean,
+            no_upgrade: T::Boolean,
+            verbose:    T::Boolean,
+            force:      T::Boolean,
+            quiet:      T::Boolean,
+          ).void
+        }
         def self.run(global: false, file: nil, no_lock: false, no_upgrade: false, verbose: false, force: false,
                      quiet: false)
           @dsl = Brewfile.read(global:, file:)
@@ -17,7 +28,9 @@ module Homebrew
           ) || exit(1)
         end
 
+        sig { returns(T.nilable(Dsl)) }
         def self.dsl
+          @dsl ||= T.let(nil, T.nilable(Dsl))
           @dsl
         end
       end

From 13af5171217bb6cdd683d52e84a828ca244b657a Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Thu, 21 Aug 2025 22:33:39 +0800
Subject: [PATCH 2/3] bundle/brewfile: `typed: strict`

---
 Library/Homebrew/bundle/brewfile.rb | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/bundle/brewfile.rb b/Library/Homebrew/bundle/brewfile.rb
index 3c8adc8fab..60e1a1fba4 100644
--- a/Library/Homebrew/bundle/brewfile.rb
+++ b/Library/Homebrew/bundle/brewfile.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/dsl"
@@ -6,6 +6,13 @@ require "bundle/dsl"
 module Homebrew
   module Bundle
     module Brewfile
+      sig {
+        params(
+          dash_writes_to_stdout: T::Boolean,
+          global:                T::Boolean,
+          file:                  T.nilable(String),
+        ).returns(Pathname)
+      }
       def self.path(dash_writes_to_stdout: false, global: false, file: nil)
         env_bundle_file_global = ENV.fetch("HOMEBREW_BUNDLE_FILE_GLOBAL", nil)
         env_bundle_file = ENV.fetch("HOMEBREW_BUNDLE_FILE", nil)
@@ -36,12 +43,19 @@ module Homebrew
         Pathname.new(filename).expand_path(Dir.pwd)
       end
 
+      sig { params(global: T::Boolean, file: T.nilable(String)).returns(Dsl) }
       def self.read(global: false, file: nil)
         Homebrew::Bundle::Dsl.new(Brewfile.path(global:, file:))
       rescue Errno::ENOENT
         raise "No Brewfile found"
       end
 
+      sig {
+        params(
+          filename:              String,
+          dash_writes_to_stdout: T::Boolean,
+        ).returns(String)
+      }
       private_class_method def self.handle_file_value(filename, dash_writes_to_stdout)
         if filename != "-"
           filename

From bcf3de58079d1c42fcb761254f8847e1df32fb27 Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Thu, 21 Aug 2025 22:41:17 +0800
Subject: [PATCH 3/3] bundle/skipper: `typed: strict`

---
 Library/Homebrew/bundle/skipper.rb | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/bundle/skipper.rb b/Library/Homebrew/bundle/skipper.rb
index 84699c51b3..c6b4ccd8f1 100644
--- a/Library/Homebrew/bundle/skipper.rb
+++ b/Library/Homebrew/bundle/skipper.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "hardware"
@@ -29,17 +29,19 @@ module Homebrew
           true
         end
 
+        sig { params(tap_name: String).void }
         def tap_failed!(tap_name)
-          @failed_taps ||= []
+          @failed_taps ||= T.let([], T.nilable(T::Array[String]))
           @failed_taps << tap_name
         end
 
         private
 
+        sig { returns(T::Hash[Symbol, T::Array[String]]) }
         def skipped_entries
           return @skipped_entries if @skipped_entries
 
-          @skipped_entries = {}
+          @skipped_entries ||= T.let({}, T.nilable(T::Hash[Symbol, T::Array[String]]))
           [:brew, :cask, :mas, :tap, :whalebrew].each do |type|
             @skipped_entries[type] =
               ENV["HOMEBREW_BUNDLE_#{type.to_s.upcase}_SKIP"]&.split