Port Homebrew::Cmd::Unpin

Library/Homebrew/cmd/unpin.rb

@@ -1,15 +1,13 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
+require "abstract_command"
 require "formula"
-require "cli/parser"
 
 module Homebrew
-  module_function
+  module Cmd
-
+    class Unpin < AbstractCommand
-  sig { returns(CLI::Parser) }
+      cmd_args do
-  def unpin_args
-    Homebrew::CLI::Parser.new do
         description <<~EOS
           Unpin <formula>, allowing them to be upgraded by `brew upgrade` <formula>.
           See also `pin`.
@@ -17,11 +15,9 @@ module Homebrew
 
         named_args :installed_formula, min: 1
       end
-  end
-
-  def unpin
-    args = unpin_args.parse
 
+      sig { override.void }
+      def run
         args.named.to_resolved_formulae.each do |f|
           if f.pinned?
             f.unpin
@@ -33,3 +29,5 @@ module Homebrew
         end
       end
     end
+  end
+end

Library/Homebrew/test/cmd/unpin_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "cmd/unpin"
 
-RSpec.describe "brew unpin" do
+RSpec.describe Homebrew::Cmd::Unpin do
   it_behaves_like "parseable arguments"
 
   it "unpins a Formula's version", :integration_test do