How do I upgrade from Rails 4.2.7.1 to Rails 5.0.0.1?
I'm using 4.2.7.1 and I want to upgrade to Rails 5.0.0.1. So I adjusted my Gemfile like so
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '~> 5.0.0.1’
# Use Puma as the app server
gem 'puma', '~> 3.0'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.2'
# See https://github.com/rails/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
gem 'turbolinks', '~> 5'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.5'
# Use Redis adapter to run Action Cable in production
# gem 'redis', '~> 3.0'
gem 'uuids'
gem 'addressable'
gem 'postgresql'
gem 'pundit'
gem 'omniauth-oauth2', '~> 1.3.1'
gem 'omniauth-google-oauth2'
gem 'omniauth-facebook'
gem 'omniauth-twitter'
gem 'omniauth-linkedin-oauth2'
gem 'jquery-ui-rails'
gem 'will_paginate'
gem 'bootstrap-sass'
gem 'autoprefixer-rails'
gem 'compass-rails'
gem 'pdf-reader'
gem 'jquery-turbolinks'
gem 'tor', :git => 'https://github.com/dryruby/tor.rb.git'
gem 'tor_requests'
gem 'tor-privoxy'
gem 'net-telnet'
gem 'mechanize'
gem 'activerecord-import'
but when I try and run “bundle install” (after deleting Gemfile.lock), I get these errors …
localhost:myproject davea$ bundle install
Fetching https://github.com/dryruby/tor.rb.git
Fetching gem metadata from https://rubygems.org/.........
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Resolving dependencies.................................................
Bundler could not find compatible versions for gem "activerecord":
In Gemfile:
activerecord-import was resolved to 0.16.1, which depends on
activerecord (>= 3.2)
rails (~> 5.0.0.1) was resolved to 5.0.0.1, which depends on
activerecord (= 5.0.0.1)
uuids was resolved to 1.4.0, which depends on
activerecord (~> 4.1)
Bundler could not find compatible versions for gem "hexx-active_record":
In Gemfile:
uuids was resolved to 4.0.0, which depends on
hexx-active_record (~> 1.3)
Could not find gem 'hexx-active_record (~> 1.3)', which is required by gem 'uuids', in any of the sources.Bundler could not find compatible versions for gem "rails":
In Gemfile:
rails (~> 5.0.0.1)
uuids was resolved to 0.0.1, which depends on
rails (~> 4.1)
What do I need to do to get my Rails version upgraded?
Edit: Output in response to answer given
localhost:myproject davea$ rails app:update
Error: Command 'app:update' not recognized
Usage: rails COMMAND [ARGS]
The most common rails commands are:
generate Generate new code (short-cut alias: "g")
console Start the Rails console (short-cut alias: "c")
server Start the Rails server (short-cut alias: "s")
dbconsole Start a console for the database specified in config/database.yml
(short-cut alias: "db")
new Create a new Rails application. "rails new my_app" creates a
new application called MyApp in "./my_app"
In addition to those, there are:
destroy Undo code generated with "generate" (short-cut alias: "d")
plugin new Generates skeleton for developing a Rails plugin
runner Run a piece of code in the application environment (short-cut alias: "r")
All commands can be run with -h (or --help) for more information.
From the Ruby on Rails Docs, it looks like rails app:update will help update you from rails 4 to 5.
http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html
There is an article on how to upgrade rails and rails_app Updating to Rails 5.0 You should upgrade your local ruby and rails versions first, then upgrade your app.
But after update your app to rails 5 you should probably make some changes. There is another article on how to do this Rails Upgrade Checklist
You cannot until you find substitute for uuids gem, because even the latest version of uuids requires hexx-active_record which requires activerecord < 5, while rails5 requires activerecord 5. moreover the hexx-active_record gem is not available on rubygems. see this link https://www.versioneye.com/ruby/hexx-active_record/6.1.0.
so the only solution as of now is to find substitute for uuids
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