```ruby
module KnifeSolo
  module NodeConfigCommand

    def self.load_deps
      require 'pathname'
    end

    def self.included(other)
      other.class_eval do
        # Lazy load our dependencies if the including class did not call
        # Knife#deps yet. See KnifeSolo::SshCommand for more information.
        deps { KnifeSolo::NodeConfigCommand.load_deps } unless @dependency_loader

        option :chef_node_name,
          :short => "-N NAME",
          :long => "--node-name NAME",
          :description => "The Chef node name for your new node"
      end
    end

    def node_config
      # host method must be defined by the including class
      Pathname.new(@name_args[1] || "nodes/#{config[:chef_node_name] || host}.json")
    end

    def generate_node_config
      if node_config.exist?
        ui.msg "Node config '#{node_config}' already exists"
      else
        ui.msg "Generating node config '#{node_config}'..."
        File.open(node_config, 'w') do |f|
          f.print <<-JSON.gsub(/^\s+/, '')
            { "run_list": [] }
          JSON
        end
      end
    end

  end
end
```

Use debug message when node config already exists
user
```ruby
module KnifeSolo
  module NodeConfigCommand

    def self.load_deps
      require 'pathname'
    end

    def self.included(other)
      other.class_eval do
        # Lazy load our dependencies if the including class did not call
        # Knife#deps yet. See KnifeSolo::SshCommand for more information.
        deps { KnifeSolo::NodeConfigCommand.load_deps } unless @dependency_loader

        option :chef_node_name,
          :short => "-N NAME",
          :long => "--node-name NAME",
          :description => "The Chef node name for your new node"
      end
    end

    def node_config
      # host method must be defined by the including class
      Pathname.new(@name_args[1] || "nodes/#{config[:chef_node_name] || host}.json")
    end

    def generate_node_config
      if node_config.exist?
        Chef::Log.debug "Node config '#{node_config}' already exists"
      else
        ui.msg "Generating node config '#{node_config}'..."
        File.open(node_config, 'w') do |f|
          f.print <<-JSON.gsub(/^\s+/, '')
            { "run_list": [] }
          JSON
        end
      end
    end

  end
end
```
assistant