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Description

This is a companion to the "Ten Years of Rails Upgrades" conference talk. You'll find various utilities that we use at Clio to help us prepare for and complete Rails upgrades.

These scripts are still early days and may not work in every environment or app.

I wouldn't recommend adding this to your Gemfile long-term. Rather, try out the scripts and use them as a point of reference. Feel free to tweak them to better fit your environment.

Monthly Downloads: 260,860
Programming language: Ruby
License: MIT License
Latest version: v1.2.1

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README

Next Rails

This is a toolkit to upgrade your next Rails application. It will help you set up dual booting, track deprecation warnings, and get a report on outdated dependencies for any Rails application.

This project is a fork of ten_years_rails

History

This gem started as a companion to the "Ten Years of Rails Upgrades" conference talk by Jordan Raine.

You'll find various utilities that we use at Clio to help us prepare for and complete Rails upgrades.

These scripts are still early days and may not work in every environment or app.

I wouldn't recommend adding this to your Gemfile long-term. Rather, try out the scripts and use them as a point of reference. Feel free to tweak them to better fit your environment.

Usage

bundle_report

Learn about your Gemfile and see what needs updating.

# Show all out-of-date gems
bundle_report outdated

# Show five oldest, out-of-date gems
bundle_report outdated | head -n 5

# Show all out-of-date gems in machine readable JSON format
bundle_report outdated --json

# Show gems that don't work with Rails 5.2.0
bundle_report compatibility --rails-version=5.2.0

# Show the usual help message
bundle_report --help
# Find minimum compatible ruby version with Rails 7.0.0
bundle_report ruby_check --rails-version=7.0.0

Deprecation tracking

If you're using RSpec, add this snippet to rails_helper.rb or spec_helper.rb (whichever loads Rails).

RSpec.configure do |config|
  # Tracker deprecation messages in each file
  if ENV["DEPRECATION_TRACKER"]
    DeprecationTracker.track_rspec(
      config,
      shitlist_path: "spec/support/deprecation_warning.shitlist.json",
      mode: ENV["DEPRECATION_TRACKER"],
      transform_message: -> (message) { message.gsub("#{Rails.root}/", "") }
    )
  end
end

If using minitest, add this somewhere close to the top of your test_helper.rb:

# Tracker deprecation messages in each file
if ENV["DEPRECATION_TRACKER"]
  DeprecationTracker.track_minitest(
    shitlist_path: "test/support/deprecation_warning.shitlist.json",
    mode: ENV["DEPRECATION_TRACKER"],
    transform_message: -> (message) { message.gsub("#{Rails.root}/", "") }
  )
end

Keep in mind this is currently not compatible with the minitest/parallel_fork gem!

Once you have that, you can start using deprecation tracking in your tests:

# Run your tests and save the deprecations to the shitlist
DEPRECATION_TRACKER=save rspec
# Run your tests and raise an error when the deprecations change
DEPRECATION_TRACKER=compare rspec

deprecations command

Once you have stored your deprecations, you can use deprecations to display common warnings, run specs, or update the shitlist file.

deprecations info
deprecations info --pattern "ActiveRecord::Base"
deprecations run
deprecations --help # For more options and examples

Right now, the path to the shitlist is hardcoded so make sure you store yours at spec/support/deprecations.shitlist.json.

next_rails command

You can use next_rails to fetch the version of the gem installed.

next_rails --version
next_rails --help # For more options and examples

Dual-boot Rails next

This command helps you dual-boot your application.

next --init         # Create Gemfile.next and Gemfile.next.lock
vim Gemfile         # Tweak your dependencies conditionally using `next?`
next bundle install # Install new gems
next rails s        # Start server using Gemfile.next

Installation

Add this line to your application's Gemfile:

gem 'next_rails'

And then execute:

$ bundle

Or install it yourself as:

$ gem install next_rails

Setup

Execute:

$ next --init

Init will create a Gemfile.next and an initialized Gemfile.next.lock. The Gemfile.next.lock is initialized with the contents of your existing Gemfile.lock lock file. We initialize the Gemfile.next.lock to prevent major version jumps when running the next version of Rails.

Contributing

Have a fix for a problem you've been running into or an idea for a new feature you think would be useful? Want to see how you can support next_rails?

Take a look at the [Contributing document](CONTRIBUTING.md) for instructions to set up the repo on your machine!

Releases

next_rails adheres to semver. So given a version number MAJOR.MINOR.PATCH, we will increment the:

  1. MAJOR version when you make incompatible API changes,
  2. MINOR version when you add functionality in a backwards compatible manner, and
  3. PATCH version when you make backwards compatible bug fixes.

Here are the steps to release a new version:

  1. Update the version.rb file with the proper version number
  2. Update CHANGELOG.md to have the right headers
  3. Commit your changes to a release/v-1-1-0 branch
  4. Push your changes and submit a pull request
  5. Merge your pull request to the main branch
  6. Git tag the latest version of the main branch (git tag v1.1.0)
  7. Push tags to GitHub (git push --tags)
  8. Build the gem (gem build next_rails.gemspec)
  9. Push the .gem package to Rubygems.org (gem push next_rails-1.1.0.gem)
  10. You are all done!

License

The gem is available as open source under the terms of the MIT License.


*Note that all licence references and agreements mentioned in the Next Rails README section above are relevant to that project's source code only.