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# frozen_string_literal: true
namespace :guides do
desc 'Generate guides (for authors), use ONLY=foo to process just "foo.md"'
task generate: "generate:html"
# Guides are written in UTF-8, but the environment may be configured for some
# other locale, these tasks are responsible for ensuring the default external
# encoding is UTF-8.
#
# Real use cases: Generation was reported to fail on a machine configured with
# GBK (Chinese). The docs server once got misconfigured somehow and had "C",
# which broke generation too.
task :encoding do
%w(LANG LANGUAGE LC_ALL).each do |env_var|
ENV[env_var] = "en_US.UTF-8"
end
end
namespace :generate do
desc "Generate HTML guides"
task html: :encoding do
ENV["WARNINGS"] = "1" # authors can't disable this
ruby "rails_guides.rb"
end
desc "Generate .mobi file. The kindlegen executable must be in your PATH. You can get it for free from http://www.amazon.com/gp/feature.html?docId=1000765211"
task kindle: :encoding do
require "kindlerb"
unless Kindlerb.kindlegen_available?
abort "Please run `setupkindlerb` to install kindlegen"
end
unless `convert` =~ /convert/
abort "Please install ImageMagick"
end
ENV["KINDLE"] = "1"
Rake::Task["guides:generate:html"].invoke
end
end
# Validate guides -------------------------------------------------------------------------
desc 'Validate guides, use ONLY=foo to process just "foo.html"'
task validate: :encoding do
ruby "w3c_validator.rb"
end
desc "Show help"
task :help do
puts <<HELP
Guides are taken from the source directory, and the result goes into the
output directory. Assets are stored under files, and copied to output/files as
part of the generation process.
You can generate HTML, Kindle or both formats using the `guides:generate` task.
All of these processes are handled via rake tasks, here's a full list of them:
#{%x[rake -T]}
Some arguments may be passed via environment variables:
RAILS_VERSION=tag
If guides are being generated for a specific Rails version set the Git tag
here, otherwise the current SHA1 is going to be used to generate edge guides.
ALL=1
Force generation of all guides.
ONLY=name
Useful if you want to generate only one or a set of guides.
Generate only association_basics.html:
ONLY=assoc
Separate many using commas:
ONLY=assoc,migrations
GUIDES_LANGUAGE
Use it when you want to generate translated guides in
source/<GUIDES_LANGUAGE> folder (such as source/es)
Examples:
$ rake guides:generate ALL=1 RAILS_VERSION=v5.1.0
$ rake guides:generate ONLY=migrations
$ rake guides:generate:kindle
$ rake guides:generate GUIDES_LANGUAGE=es
HELP
end
end
task default: "guides:help"
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