Show available rake tasks

As we get an exception notification, when a cron job fails, we wish to have the full backtrace in this mail. A rake task doesn't output the full backtrace by default, so you need the --backtrace option.

Trigger

You will find fail mails wit...

Put

def task_with_hoptoad_notification(options)
  task(options) do
    begin
      yield
    rescue Exception => e
      Airbrake.notify(e)
      raise e
    end
  end
end

at the top of the Rakefile, and r...

The Rails logger will store its content in a buffer and write it into the file system every 1000 lines. This will come back to bite you when using Rails.logger.info to write log output during Rake tasks or on a production console.

You often won...

Did you know?

rake stats # => LOC per controllers, models, helpers; code ratios, and more
rake notes # => collects TODO, FIXME and other Tags from comments and displays them
rake about # (Rails 3+) => Rails, Ruby, Rake, Rack etc. vers...

When you put a Rake task into lib/tasks, but running it fails with...

Don't know how to build task name:of:task

... does your Rake task's filename end in .rb? It needs to end in .rake instead.

• You probably haven't configured version control for your project.
• Go to Project Settings / Version Control and set the director <Project> to Git

Rails comes with a Rake task notes that shows code comments that start with "TODO", "FIXME", or "OPTIMIZE".

While it's generally not good practice to leave them in your cod...

A Rake task appears in rake -T if it has a description:

desc 'Compile assets'
task :compile do
  ...
end

To not list it, simply omit the description:

task :compile do
  ...
end

You can also hide a Rake task that has been defi...

Here are some hints on best practices to maintain your tasks in larger projects.

Rake Tasks vs. Scripts

• The Rails default is using rake tasks for your application tasks. These live in lib/tasks/*.
• In case you want to avoid rake for your...