Port Homebrew::Cmd::Uses

Library/Homebrew/cmd/uses.rb

@@ -1,22 +1,21 @@
 # typed: true
 # frozen_string_literal: true
 
-# `brew uses foo bar` returns formulae that use both foo and bar
-# If you want the union, run the command twice and concatenate the results.
-# The intersection is harder to achieve with shell tools.
-
+require "abstract_command"
 require "formula"
-require "cli/parser"
 require "cask/caskroom"
 require "dependencies_helpers"
 require "ostruct"
 
 module Homebrew
-  extend DependenciesHelpers
+  module Cmd
+    # `brew uses foo bar` returns formulae that use both foo and bar
+    # If you want the union, run the command twice and concatenate the results.
+    # The intersection is harder to achieve with shell tools.
+    class Uses < AbstractCommand
+      include DependenciesHelpers
 
-  sig { returns(CLI::Parser) }
-  def self.uses_args
-    Homebrew::CLI::Parser.new do
+      cmd_args do
         description <<~EOS
           Show formulae and casks that specify <formula> as a dependency; that is, show dependents
           of <formula>. When given multiple formula arguments, show the intersection
@@ -53,11 +52,9 @@ module Homebrew
 
         named_args :formula, min: 1
       end
-  end
-
-  def self.uses
-    args = uses_args.parse
 
+      sig { override.void }
+      def run
         Formulary.enable_factory_cache!
 
         used_formulae_missing = false
@@ -80,7 +77,7 @@ module Homebrew
                                  !args.include_optional? &&
                                  !args.skip_recommended?
 
-    uses = intersection_of_dependents(use_runtime_dependents, used_formulae, args:)
+        uses = intersection_of_dependents(use_runtime_dependents, used_formulae)
 
         return if uses.empty?
 
@@ -88,7 +85,9 @@ module Homebrew
         odie "Missing formulae should not have dependents!" if used_formulae_missing
       end
 
-  def self.intersection_of_dependents(use_runtime_dependents, used_formulae, args:)
+      private
+
+      def intersection_of_dependents(use_runtime_dependents, used_formulae)
         recursive = args.recursive?
         show_formulae_and_casks = !args.formula? && !args.cask?
         includes, ignores = args_includes_ignores(args)
@@ -138,7 +137,7 @@ module Homebrew
         end
       end
 
-  def self.select_used_dependents(dependents, used_formulae, recursive, includes, ignores)
+      def select_used_dependents(dependents, used_formulae, recursive, includes, ignores)
         dependents.select do |d|
           deps = if recursive
             recursive_includes(Dependency, d, includes, ignores)
@@ -164,4 +163,6 @@ module Homebrew
           end
         end
       end
+    end
+  end
 end

Library/Homebrew/test/cmd/uses_spec.rb

@@ -1,8 +1,10 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "cmd/uses"
+require "fileutils"
 
-RSpec.describe "brew uses" do
+RSpec.describe Homebrew::Cmd::Uses do
   include FileUtils
 
   it_behaves_like "parseable arguments"