Pull in REXML gem as it doesn't ship with Ruby 3

Library/Homebrew/Gemfile

@@ -68,6 +68,11 @@ group :typecheck, optional: true do
   gem "tapioca", require: false
 end
 
+# shared gems (used by multiple groups)
+group :audit, :bump_unversioned_casks, :livecheck, optional: true do
+  gem "rexml", require: false
+end
+
 # vendored gems (no group)
 gem "activesupport"
 gem "addressable"

Library/Homebrew/Gemfile.lock

@@ -201,6 +201,7 @@ DEPENDENCIES
   patchelf
   plist
   pry
+  rexml
   ronn
   rspec
   rspec-github

Library/Homebrew/dev-cmd/audit.rb

@@ -153,6 +153,10 @@
       return
     end
 
+    gem_groups = ["audit"]
+    gem_groups << "style" unless skip_style
+    Homebrew.install_bundler_gems!(groups: gem_groups)
+
     style_files = args.named.to_paths unless skip_style
 
     only_cops = args.only_cops

Library/Homebrew/dev-cmd/bump-cask-pr.rb

@@ -70,7 +70,10 @@
     # odeprecated "brew bump-cask-pr --online" if args.online?
     # This will be run by `brew audit` or `brew style` later so run it first to
     # not start spamming during normal output.
-    Homebrew.install_bundler_gems!(groups: ["style"]) if !args.no_audit? || !args.no_style?
+    gem_groups = []
+    gem_groups << "style" if !args.no_audit? || !args.no_style?
+    gem_groups << "audit" unless args.no_audit?
+    Homebrew.install_bundler_gems!(groups: gem_groups) unless gem_groups.empty?
 
     # As this command is simplifying user-run commands then let's just use a
     # user path, too.

Library/Homebrew/dev-cmd/bump-formula-pr.rb

@@ -117,7 +117,7 @@ def bump_formula_pr
 
     # This will be run by `brew audit` later so run it first to not start
     # spamming during normal output.
-    Homebrew.install_bundler_gems!(groups: ["style"]) unless args.no_audit?
+    Homebrew.install_bundler_gems!(groups: ["audit", "style"]) unless args.no_audit?
 
     tap_remote_repo = formula.tap.full_name || formula.tap.remote_repo
     remote = "origin"

Library/Homebrew/dev-cmd/bump-unversioned-casks.rb

@@ -33,6 +33,8 @@
   def self.bump_unversioned_casks
     args = bump_unversioned_casks_args.parse
 
+    Homebrew.install_bundler_gems!(groups: ["bump_unversioned_casks"])
+
     state_file = if args.state_file.present?
       Pathname(args.state_file).expand_path
     else

Library/Homebrew/dev-cmd/livecheck.rb

@@ -66,7 +66,7 @@
   def livecheck
     args = livecheck_args.parse
 
-    Homebrew.install_bundler_gems!(groups: ["livecheck"]) if args.json?
+    Homebrew.install_bundler_gems!(groups: ["livecheck"])
 
     all = args.eval_all?
 

Library/Homebrew/livecheck/strategy/sparkle.rb

@@ -62,6 +62,7 @@ def self.match?(url)
         # @return [Item, nil]
         sig { params(content: String).returns(T::Array[Item]) }
         def self.items_from_content(content)
+          require "rexml/document"
           xml = Xml.parse_xml(content)
           return [] if xml.blank?
 

Library/Homebrew/livecheck/strategy/xml.rb

@@ -1,8 +1,6 @@
 # typed: true
 # frozen_string_literal: true
 
-require "rexml/document"
-
 module Homebrew
   module Livecheck
     module Strategy