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rails--rails/railties
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eileencodes 59a02fb7bc Implement H2 Early Hints for Rails 
When puma/puma#1403 is merged Puma will support the Early Hints status
code for sending assets before a request has finished.

While the Early Hints spec is still in draft, this PR prepares Rails to
allowing this status code.

If the proxy server supports Early Hints, it will send H2 pushes to the
client.

This PR adds a method for setting Early Hints Link headers via Rails,
and also automatically sends Early Hints if supported from the
`stylesheet_link_tag` and the `javascript_include_tag`.

Once puma supports Early Hints the `--early-hints` argument can be
passed to the server to enable this or set in the puma config with
`early_hints(true)`. Note that for Early Hints to work
in the browser the requirements are 1) a proxy that can handle H2,
and 2) HTTPS.

To start the server with Early Hints enabled pass `--early-hints` to
`rails s`.

This has been verified to work with h2o, Puma, and Rails with Chrome.

The commit adds a new option to the rails server to enable early hints
for Puma.

Early Hints spec:
https://tools.ietf.org/html/draft-ietf-httpbis-early-hints-04

[Eileen M. Uchitelle, Aaron Patterson]
2017-10-04 09:17:21 -04:00
..
bin Adding frozen_string_literal pragma to Railties. 2017-08-14 19:08:09 +02:00
exe Adding frozen_string_literal pragma to Railties. 2017-08-14 19:08:09 +02:00
lib Implement H2 Early Hints for Rails 2017-10-04 09:17:21 -04:00
test Implement H2 Early Hints for Rails 2017-10-04 09:17:21 -04:00
.gitignore
CHANGELOG.md Add mini_magick to default Gemfile as comment 2017-09-17 23:53:41 +09:00
MIT-LICENSE
railties.gemspec Adding frozen_string_literal pragma to Railties. 2017-08-14 19:08:09 +02:00
Rakefile Run in-app rails commands via fork+load where possible 2017-09-04 20:19:39 +09:30
RDOC_MAIN.rdoc Update RDOC_MAIN.rdoc [ci skip] 2017-08-31 06:00:25 +09:00
README.rdoc Update MIT licenses link [ci skip] 2017-08-22 08:46:02 +09:00

README.rdoc 

= Railties -- Gluing the Engine to the Rails

Railties is responsible for gluing all frameworks together. Overall, it:

* handles the bootstrapping process for a Rails application;

* manages the +rails+ command line interface;

* and provides the Rails generators core.


== Download

The latest version of Railties can be installed with RubyGems:

* gem install railties

Source code can be downloaded as part of the Rails project on GitHub

* https://github.com/rails/rails/tree/master/railties

== License

Railties is released under the MIT license:

* https://opensource.org/licenses/MIT

== Support

API documentation is at

* http://api.rubyonrails.org

Bug reports can be filed for the Ruby on Rails project here:

* https://github.com/rails/rails/issues

Feature requests should be discussed on the rails-core mailing list here:

* https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-core