class Lumberjack::Rack::RequestId

if the abbreviated argument is true.
The format is expected to be a random UUID and only the first chunk is used for terseness
Support for using the Rails ActionDispatch request id in the log.

def call(env) 

def call(env)
  request_id = env[REQUEST_ID]
  if request_id && @abbreviated
    request_id = request_id.split("-", 2).first
  end
  Lumberjack.unit_of_work(request_id) do
    @app.call(env)
  end
end

def initialize(app, abbreviated = false) 

def initialize(app, abbreviated = false)
  @app = app
  @abbreviated = abbreviated
end