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Remove documentation tasks
This patch removes the tasks doc:app, doc:rails, and doc:guides.

In our experience applications do not generate APIs using doc:app.
Methods may be certainly documented for maintainers, annotated
with YARD tags, etc. but that is intended to be read with the
source code, not in a separate website. Then, teams also have
typically selected topics written down in Markdown files, or in
a GitHub wiki... that kind of thing.

If a team absolutely needs to generate application documentation
for internal purposes, they can still easily write their own task.

Regarding doc:rails and doc:guides, we live in 2015. We are used
to go to online docs all the time. If you really want access to the
API offline RubyGems generates it for every Rails component unless
you tell it not to, and you can checkout the Rails source code to
read the guides as Markdown, or download them for a Kindle reader.

All in all, maintaining this code does not seem to be worthwhile

As a consequence of this, guides (+3 MB uncompressed) won't be
distributed with the rails gem anymore. Of course, guides and API
are going to be still part of releases, since documentation is
maintained alongside code and tests.

Also, time permitting, this will allow us to experiment with novel
ways to generate documentation in the Rails docs server, since
right now we were constrained by being able to generate them in
the user's environment.
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fxn committed Feb 6, 2015
1 parent 8c752c7 commit cd7cc5254b090ccbb84dcee4408a5acede25ef2a
@@ -419,14 +419,6 @@ The most common tasks of the `db:` Rake namespace are `migrate` and `create`, an
More information about migrations can be found in the [Migrations](migrations.html) guide.
### `doc`
The `doc:` namespace has the tools to generate documentation for your app, API documentation, guides. Documentation can also be stripped which is mainly useful for slimming your codebase, like if you're writing a Rails application for an embedded platform.
* `rake doc:app` generates documentation for your application in `doc/app`.
* `rake doc:guides` generates Rails guides in `doc/guides`.
* `rake doc:rails` generates API documentation for Rails in `doc/api`.
### `notes`
`rake notes` will search through your code for comments beginning with FIXME, OPTIMIZE or TODO. The search is done in files with extension `.builder`, `.rb`, `.rake`, `.yml`, `.yaml`, `.ruby`, `.css`, `.js` and `.erb` for both default and custom annotations.
@@ -2054,19 +2054,6 @@ resources:
* The [Ruby on Rails mailing list](
* The [#rubyonrails](irc:// channel on

Rails also comes with built-in help that you can generate using the rake
command-line utility:

* Running `rake doc:guides` will put a full copy of the Rails Guides in the
`doc/guides` folder of your application. Open `doc/guides/index.html` in your
web browser to explore the Guides.
* Running `rake doc:rails` will put a full copy of the API documentation for
Rails in the `doc/api` folder of your application. Open `doc/api/index.html`
in your web browser to explore the API documentation.

TIP: To be able to generate the Rails Guides locally with the `doc:guides` rake
task you need to install the Redcarpet and Nokogiri gems. Add it to your `Gemfile` and run
`bundle install` and you're ready to go.

Configuration Gotchas
@@ -16,7 +16,7 @@ do |s| = ''
s.homepage = ''

s.files = [''] + Dir['guides/**/*'] - Dir['guides/output/**/*']
s.files = ['']

s.add_dependency 'activesupport', version
s.add_dependency 'actionpack', version
@@ -1,3 +1,7 @@
* Remove the documentation tasks `doc:app`, `doc:rails`, and `doc:guides`.

*Xavier Noria*

* Force generated routes to be inserted into routes.rb

*Andrew White*
@@ -152,19 +152,5 @@ def rails_version'RAILS_VERSION').strip

class AppTask < Task
def component_root_dir(gem_name)

def api_dir

def rails_version
@@ -113,7 +113,6 @@ def gemfile_entries
@@ -265,11 +264,6 @@ def jbuilder_gemfile_entry
GemfileEntry.version('jbuilder', '~> 2.0', comment)

def sdoc_gemfile_entry
comment = 'bundle exec rake doc:rails generates the API under doc/api.''sdoc', '~> 0.4.0', comment, group: :doc)

def coffee_gemfile_entry
comment = 'Use CoffeeScript for .coffee assets and views'
if || options.edge?
@@ -22,7 +22,3 @@ Things you may want to cover:
* Deployment instructions

* ...

Please feel free to use a different markup language if you do not plan to run
<tt>rake doc:app</tt>.

This file was deleted.

@@ -417,11 +417,6 @@ def test_inclusion_of_method_source

def test_inclusion_of_doc
assert_file 'Gemfile', /gem 'sdoc',\s+'~> 0.4.0',\s+group: :doc/

def test_template_from_dir_pwd
assert_match(/It works from file!/, run_generator([destination_root, "-m", "lib/template.rb"]))

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