```ruby
module Shipit
  class DeploySpec
    module RubygemsDiscovery
      def discover_deploy_steps
        discover_gem || super
      end

      def discover_gem
        publish_gem if gem?
      end

      def discover_review_checklist
        discover_gem_checklist || super
      end

      def discover_gem_checklist
        [%(<strong>Don't forget to add a tag before deploying!</strong> You can do this with:
          git tag -a -m "Version <strong>x.y.z</strong>" v<strong>x.y.z</strong> && git push --tags)] if gem?
      end

      def gem?
        !!gemspec
      end

      def gemspec
        Dir[file('*.gemspec').to_s].first
      end

      def publish_gem
        ["assert-gem-version-tag #{gemspec}", 'bundle exec rake release']
      end
    end
  end
end
```

Fix rubygems checklist git tag command
user
```ruby
module Shipit
  class DeploySpec
    module RubygemsDiscovery
      def discover_deploy_steps
        discover_gem || super
      end

      def discover_gem
        publish_gem if gem?
      end

      def discover_review_checklist
        discover_gem_checklist || super
      end

      def discover_gem_checklist
        [%(<strong>Don't forget to add a tag before deploying!</strong> You can do this with:
          git tag v<strong>x.y.z</strong> && git push --tags)] if gem?
      end

      def gem?
        !!gemspec
      end

      def gemspec
        Dir[file('*.gemspec').to_s].first
      end

      def publish_gem
        ["assert-gem-version-tag #{gemspec}", 'bundle exec rake release']
      end
    end
  end
end
```
assistant