Port Homebrew::Cmd::Unlink

Library/Homebrew/cmd/unlink.rb

@@ -1,41 +1,39 @@
-# typed: true
+# typed: strict
 # frozen_string_literal: true
 
-require "cli/parser"
+require "abstract_command"
 require "unlink"
 
 module Homebrew
-  module_function
+  module Cmd
+    class UnlinkCmd < AbstractCommand
+      cmd_args do
+        description <<~EOS
+          Remove symlinks for <formula> from Homebrew's prefix. This can be useful
+          for temporarily disabling a formula:
+          `brew unlink` <formula> `&&` <commands> `&& brew link` <formula>
+        EOS
+        switch "-n", "--dry-run",
+               description: "List files which would be unlinked without actually unlinking or " \
+                            "deleting any files."
 
-  sig { returns(CLI::Parser) }
+        named_args :installed_formula, min: 1
-  def unlink_args
-    Homebrew::CLI::Parser.new do
-      description <<~EOS
-        Remove symlinks for <formula> from Homebrew's prefix. This can be useful
-        for temporarily disabling a formula:
-        `brew unlink` <formula> `&&` <commands> `&& brew link` <formula>
-      EOS
-      switch "-n", "--dry-run",
-             description: "List files which would be unlinked without actually unlinking or " \
-                          "deleting any files."
-
-      named_args :installed_formula, min: 1
-    end
-  end
-
-  def unlink
-    args = unlink_args.parse
-
-    options = { dry_run: args.dry_run?, verbose: args.verbose? }
-
-    args.named.to_default_kegs.each do |keg|
-      if args.dry_run?
-        puts "Would remove:"
-        keg.unlink(**options)
-        next
       end
 
-      Unlink.unlink(keg, dry_run: args.dry_run?, verbose: args.verbose?)
+      sig { override.void }
+      def run
+        options = { dry_run: args.dry_run?, verbose: args.verbose? }
+
+        args.named.to_default_kegs.each do |keg|
+          if args.dry_run?
+            puts "Would remove:"
+            keg.unlink(**options)
+            next
+          end
+
+          Unlink.unlink(keg, dry_run: args.dry_run?, verbose: args.verbose?)
+        end
+      end
     end
   end
 end

Library/Homebrew/test/cmd/unlink_spec.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "cmd/unlink"
 
-RSpec.describe "brew unlink" do
+RSpec.describe Homebrew::Cmd::UnlinkCmd do
   it_behaves_like "parseable arguments"
 
   it "unlinks a Formula", :integration_test do