```ruby
# To load this capistrano configuration, require 'easy/deployment/dbreference' from deploy.rb
Capistrano::Configuration.instance(:must_exist).load do
  namespace :deploy do
    desc "Load reference data"
    task :reference_data, :roles => :db, :only => { :primary => true } do
      migrate_target = fetch(:migrate_target, :latest)

      directory = case migrate_target.to_sym
                  when :current then current_path
                  when :latest  then latest_release
                  else raise ArgumentError, "unknown migration target #{migrate_target.inspect}"
                  end
      
      run "cd #{directory} && RAILS_ENV=#{rails_env} bundle exec rake reference:load"
    end
  end

  after 'deploy:migrate', 'deploy:reference_data'
end
```

Fix reference data load with non-standard bundle binary path
user
```ruby
# To load this capistrano configuration, require 'easy/deployment/dbreference' from deploy.rb
Capistrano::Configuration.instance(:must_exist).load do
  namespace :deploy do
    desc "Load reference data"
    task :reference_data, :roles => :db, :only => { :primary => true } do
      migrate_target = fetch(:migrate_target, :latest)

      directory = case migrate_target.to_sym
                  when :current then current_path
                  when :latest  then latest_release
                  else raise ArgumentError, "unknown migration target #{migrate_target.inspect}"
                  end
      
      run "cd #{directory} && RAILS_ENV=#{rails_env} #{fetch(:bundle_cmd, 'bundle')} exec rake reference:load"
    end
  end

  after 'deploy:migrate', 'deploy:reference_data'
end
```
assistant