A Look at Rails 5

No more typing rake commands

In Rails 5 all the current rake commands will be accessible via the rails command. When you want to run a migration, you will type rake db:migrate in Rails 4.

In Rails 5 this will become rails db:migrate.

The reason for this change is that currently it's not very logical which command has to go through rake and which command should go through rails. When you're working with rails for a longer time it becomes second nature, but only because you remember it. For a newcomer, this is a big problem and makes learning rails confusing.

Restart your app with a rake command

rake restart

Rails 5 will support only Ruby 2.2.1 and above versions.

Rake is a utility similar to make in Unix. You can say Rake is the make of ruby - the R uby m AKE. Rails defines a number of tasks to help you.
Here is a list of various important commands supported by Rake:

• rake db:fixtures:load - Load fixtures into the current environment's database. Load specific fixtures using FIXTURES=x,y
• rake db:migrate - Migrate the database through scripts in db/migrate. Target specific version with VERSION=x
• rake db:schema:dump - Create a db/schema.rb file that can be portably used against any DB supported by AR.
• rake db:schema:load - Load a schema.rb file into the database.
• rake db:sessions:clear - Clear the sessions table.
• rake db:sessions:create - Creates a sessions table for use with CGI::Session::ActiveRecordStore.
• rake db:structure:dump - Dump the database structure to a SQL file.
• rake db:test:clone - Recreate the test database from the current environment's database schema.
• rake db:test:clone_structure - Recreate the test databases from the development structure.
• rake db:test:prepare - Prepare the test database and load the schema.
• rake db:test:purge - Empty the test database.
• rake doc:appBuild the app HTML Files.
• rake doc:clobber_app - Remove rdoc products.
• rake doc:clobber_plugins - Remove plugin documentation.
• rake doc:clobber_rails Remove rdoc products.
• rake doc:plugins - Generate documation for all installed plugins.
• rake doc:rails - Build the rails HTML Files.
• rake doc:reapp - Force a rebuild of the RDOC files
• rake doc:rerails - Force a rebuild of the RDOC files
• rake log:clear - Truncates all *.log files in log/ to zero bytes
• rake rails:freeze:edge - Lock this application to latest Edge Rails. Lock a specific revision with REVISION=X.
• rake rails:freeze:gems - Lock this application to the current gems (by unpacking them into vendor/rails)
• rake rails:unfreeze - Unlock this application from freeze of gems or edge and return to a fluid use of system gems
• rake rails:update - Update both scripts and public/javascripts from Rails.
• rake rails:update:javascripts - Update your javascripts from your current rails install.
• rake rails:update:scripts - Add new scripts to the application script/ directory.
• rake stats - Report code statistics (KLOCs, etc) from the application.
• rake test - Test all units and functionals
• rake test:functionals - Run tests for functionalsdb:test:prepare
• rake test:integration - Run tests for integrationdb:test:prepare
• rake test:plugins - Run tests for pluginsenvironment
• rake test:recent - Run tests for recentdb:test:prepare
• rake test:uncommitted - Run tests for uncommitteddb:test:prepare
• rake test:units - Run tests for unitsdb:test:prepare
• rake tmp:cache:clear - Clears all files and directories in tmp/cache
• rake tmp:clear - Clear session, cache, and socket files from tmp/
• rake tmp:create - Creates tmp directories for sessions, cache, and sockets
• rake tmp:sessions:clear - Clears all files in tmp/sessions
• rake tmp:sockets:clear - Clears all ruby_sess.* files in tmp/sessions