Implement equality functions for BottleSpecification

Library/Homebrew/software_spec.rb

@@ -535,6 +535,12 @@ class BottleSpecification
     end
   end
 
+  def ==(other)
+    self.class == other.class && rebuild == other.rebuild && collector == other.collector &&
+      root_url == other.root_url && root_url_specs == other.root_url_specs && tap == other.tap
+  end
+  alias eql? ==
+
   sig { params(tag: Utils::Bottles::Tag).returns(T.any(Symbol, String)) }
   def tag_to_cellar(tag = Utils::Bottles.tag)
     spec = collector.specification_for(tag)

Library/Homebrew/utils/bottles.rb

@@ -260,6 +260,11 @@ module Utils
         @checksum = checksum
         @cellar = cellar
       end
+
+      def ==(other)
+        self.class == other.class && tag == other.tag && checksum == other.checksum && cellar == other.cellar
+      end
+      alias eql? ==
     end
 
     # Collector for bottle specifications.
@@ -274,6 +279,11 @@ module Utils
         @tag_specs.keys
       end
 
+      def ==(other)
+        self.class == other.class && @tag_specs == other.instance_variable_get(:@tag_specs)
+      end
+      alias eql? ==
+
       sig { params(tag: Utils::Bottles::Tag, checksum: Checksum, cellar: T.any(Symbol, String)).void }
       def add(tag, checksum:, cellar:)
         spec = Utils::Bottles::TagSpecification.new(tag: tag, checksum: checksum, cellar: cellar)