```ruby
namespace :assets do
  desc "Bundle assets"
  task :bundle => :environment do
    AssetTrip.bundle!
  end
end```

Add rake task for pruning assets not in the current Manifest
user
```ruby
namespace :assets do
  desc "Bundle assets"
  task :bundle => :environment do
    AssetTrip.bundle!
  end

  desc "Prune assets"
  task :prune => :environment do
    AssetTrip.prune!
  end
end```
assistant