Vastly simplify this calculation

bundler/lib/bundler/cli/common.rb

@@ -15,12 +15,16 @@ def self.print_post_install_message(name, msg)
     end
 
     def self.output_fund_metadata_summary(gems_seeking_funding)
-      gem_names = gems_seeking_funding.keys
       current_dependencies = Bundler.definition.current_dependencies.map(&:name)
-      direct_gems_seeking_funding = gem_names.reject {|g| !current_dependencies.include?(g) }
-      return if direct_gems_seeking_funding.empty?
+      current_specs = Bundler.definition.specs
+
+      count = current_dependencies.count do |dep|
+        return 0 if (dep = current_specs[dep].first).nil?
+        dep.metadata.key?("funding_uri")
+      end
+
+      return if count.zero?
 
-      count = direct_gems_seeking_funding.length
       intro = count > 1 ? "#{count} gems you directly depend on are" : "#{count} gem you directly depend on is"
       message = "#{intro} looking for funding.\n  Run `bundle fund` for details"
       Bundler.ui.info message