Do not update `secrets.yml.enc` when secretes do not change

Treat secrets as binary

Load environment file in `dbconsole` command

It's possible for developers toadd a custom driver and then call it
using `driven_by`. Because we were only skipping `register` for
`:rack_test` that meant any custom driver would attempt to be registered
as well.

The three listed here are special because Rails registers them with
special options. If you're registering your own custom driver then you
don't want to separately register that driver.

Fixes #29688

Allow mounting same engine under several locations

Now that the parameters configurations are only loaded when
ActionController::Base is we need to foce them to load in our tests. In
an application this is not needed since every request already load the
controllers.

Add missing `attr_name.to_s` in `AttributeMutationTracker`

We need to configure it only when ActionController::Base is loaded
otherwise configs on initializers will not work.

Closes #29527.

Allow the use of Bundler 2.0

Fix the class name --> ActionController::Parameters [ci skip]

Fallback Parameters#to_s to Hash#to_s

Fix to scoping is correctly restored

Fix `ids_reader` to respect case sensitive primary key

ActiveRecord: do not create "has many through" records that have been removed

Fix missing formats in route-set URLs

Fix typo in callback deprecation message

Add more explicit guidance on how to fix callback deprecations

Calling `follow_redirect!` does not reset the `html_document`:

Fix regression with date helper in 5.1.2 

ActiveJob::Core#serialize stores provider_job_id (fixes #26581).

* Internally all input is converted to time so that it can be treated
  uniformly.

Remove now-unneeded condition

* Now that all input is treated is converted to time, we no longer need
  to type check it.

Rename variables to clarify their purpose

Extract private method to normalize distance_of_time args to time

Update actionview changelog

Ensure that using correct alias tracker

Rails 5.1.2.rc1 regression - Clear offset cache on CollectionProxy reset/reload

Rails 5.1.2.rc1 regression - Clear offset cache on CollectionProxy reset/reload

Pass `structure_dump_flags` / `structure_load_flags` options before any other:

Removed reference to unexisting methods:

Don't wrap parameters if key already exists

Fix actionpack CHANGELOG.md for v5.1.2 release [ci skip]

This feature will be included in Rails 5.2 and this entry is not needed
yet.

This must have gotten left over on a bad backport. Removed.

This must have gotten left over on a bad backport. Removed.

Fix current_page? helper issue with engine root path

Use of ParameterFilter no longer forces `request.filtered_parameters' class to be Hash