WololoFormatter
Turns this:

Into this:

All messages:

Works for all versions of Rails 3+ and in all code where the default ruby logger is used.
Installation
Add this line to your application's Gemfile:
gem 'wololo_formatter'
And then execute:
$ bundle
Or install it yourself as:
$ gem install wololo_formatter
Usage
Just adding the gem to the gemfile is enough.
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request