Migrating a Rails 1.x Project to Rails 2.0
Though the complexity and variability of potential Rails 1.x projects prohibits a cut and dried, one-size-fits-all
solution for migrating to Rails 2.0, 3rdRail does provide validation and, where possible, automatic fixes for many
issues that arise when migrating a Rails 1.x project to Rails 2.0. This document provides best practices for making
this transition using 3rdRail.
To migrate a Rails 1.x project to Rails 2.0
Rails 2.0 Announcement [rubyonrails.com]
Save a copy of the project before beginning. Either use your revision control system or do an Export:
Click Next, choose your project, choose a destination directory and click Finish.
First update your project to Rails 1.2.6. This version of Rails exists largely to provide deprecation warnings
for things which have been removed from Rails 2.0.
Open environment.rb, found in the section of your project. Edit the RAILS_GEM_VERSION to be 1.2.6. Save the file.
Saving the file will kick off an automatic build process.
Now click on the
view in the area below
the editor. Resolve any warnings or errors that appear. For common issues,
3rdRail will often have a implemented.
Right-click on the problem and choose .
Once all the warnings and errors have been resolved for 1.2.6, repeat the process for RAILS_GEM_VERSION 2.0.2.
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