- Published Date：Jun. 6, 2016
Environment
- rails 4.2.4, rails 4.2.5 → rails5.0.0beta1
- ruby 2.2.3
- rbenv rbenv 0.4.0-183-gc18a3f9
Article Summary
Rails 5.0.0Beta1 Released. I think Rails 5 will probably be released in spring of 2015.
But, if you change from rails 4 to rails 5 in Gemfile, your app would not operate correctly.
Currently, I'm doing much trial and error. At same time, I understood a lot of things. so, I write what I understood.
Spring is unsupported
On Rails 5.0.0Beta1, Spring gem is not available. So, if your app uses spring, you should remove spring gem.
if you use Bundler, you should do the follow.
vi Gemfile // comment out #gem 'spring' #gem 'spring-commands-rspec' rbenv exec bundle exec gem uninstall spring rbenv exec bundle exec gem uninstall spring-commands-rspec
kaminari is unsupported
On Rails 5.0.0Beta1, kaminari gem is not available. it occurs ActionView::MissingTemplate.
if you want to use kaminari, you should change to latest kaminari gem.
if you use Bundler, you should change the Gemfile.
Before
gem 'kaminari'
After
gem 'kaminari', github: 'amatsuda/kaminari'
After you modified Gemfile, execute bundle update.
rbenv exec bundle install Using kaminari 1.0.0.alpha (was 0.16.3) from git://github.com/amatsuda/kaminari.git (at master)
DEPRECATION WARNING: `serve_static_files` is deprecated and will be removed in Rails 5.1.
serve_static_files became deprecated. This is from Rails 4.2, and will remove it completely on Rails 5.1.
So, you must change the following description.
Before
# Configure static asset server for tests with Cache-Control for performance. config.serve_static_files = true
After
# Configure static asset server for tests with Cache-Control for performance. config.public_file_server.enabled = true
DEPRECATION WARNING: `static_cache_control` is deprecated and will be removed in Rails 5.1.
static_cache_control became deprecated. This will be also removed completely on Rails 5.1.
So, you must change the following description.
Before
# config.serve_static_assets = ENV['RAILS_SERVE_STATIC_FILES'].present? config.static_cache_control = 'public, max-age=3600'
After
# config.serve_static_assets = ENV['RAILS_SERVE_STATIC_FILES'].present?
config.public_file_server.headers = { 'Cache-Control' => 'public, max-age=3600' }
DEPRECATION WARNING: before_filter is deprecated and will be removed in Rails 5.1.
before_filter became deprecated. This method is very useful, but removed completely on Rails 5.1.
So, you must change the following description.
Before
class ApplicationController < ActionController::Base # Prevent CSRF attacks by raising an exception. # For APIs, you may want to use :null_session instead. protect_from_forgery with: :exception before_filter :set_locale // something end
After
class ApplicationController < ActionController::Base # Prevent CSRF attacks by raising an exception. # For APIs, you may want to use :null_session instead. protect_from_forgery with: :exception before_action :set_locale // something
DEPRECATION WARNING: use_transactional_fixtures= is deprecated and will be removed from Rails 5.0.
use_transactional_fixtures became deprecated. This is still unsupported on Rspec. So, you must not modify this.
Summary
if you think rails 5 update, it takes a lot of times.
so, you create new git branch soon, take measures.
I always think that rails major updating is difficult. But rails 5 updating is easier than rails 4 updating.
Rails has always evolved. This time is also same.
See you
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