Updating rails to 2 2 Americanadultsingles
This will help you with the creation of new files and changes of old files in an interactive session.
DEPRECATION WARNING: Running update with the rails: namespace is deprecated in favor of app: namespace. (called from load at /home/bojan/.rvm/gems/[email protected]/bin/rake:23) identical config/exist config conflict config/Overwrite /home/bojan/sites/front-end/My-Blog/config/routes.rb?
This was a major upgrade and had only a few breaking changes.
As an alternative, check out Rails Diff, which provides an overview of the changes in a basic Rails app between 4.1.x and 4.2.x (or any other source/target versions).
So for each gem you have problems with, go to their documentation and check if they have any guidance for the upgrade.