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bcc74ad Jan 10, 2017
@hone @schneems @siong1987 @orlando @jvanbaarsen @catsby
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require "language_pack"
require "language_pack/rails3"
# Rails 4 Language Pack. This is for all Rails 4.x apps.
class LanguagePack::Rails4 < LanguagePack::Rails3
ASSETS_CACHE_LIMIT = 52428800 # bytes
# detects if this is a Rails 4.x app
# @return [Boolean] true if it's a Rails 4.x app
def self.use?
instrument "rails4.use" do
rails_version = bundler.gem_version('railties')
return false unless rails_version
is_rails4 = rails_version >= Gem::Version.new('4.0.0.beta') &&
rails_version < Gem::Version.new('4.1.0.beta1')
return is_rails4
end
end
def name
"Ruby/Rails"
end
def default_process_types
instrument "rails4.default_process_types" do
super.merge({
"web" => "bin/rails server -p $PORT -e $RAILS_ENV",
"console" => "bin/rails console"
})
end
end
def build_bundler(default_bundle_without)
instrument "rails4.build_bundler" do
super
end
end
def compile
instrument "rails4.compile" do
super
end
end
private
def install_plugins
instrument "rails4.install_plugins" do
return false if bundler.has_gem?('rails_12factor')
plugins = ["rails_serve_static_assets", "rails_stdout_logging"].reject { |plugin| bundler.has_gem?(plugin) }
return false if plugins.empty?
warn <<-WARNING
Include 'rails_12factor' gem to enable all platform features
See https://devcenter.heroku.com/articles/rails-integration-gems for more information.
WARNING
# do not install plugins, do not call super
end
end
def public_assets_folder
"public/assets"
end
def default_assets_cache
"tmp/cache/assets"
end
def run_assets_precompile_rake_task
instrument "rails4.run_assets_precompile_rake_task" do
log("assets_precompile") do
if Dir.glob("public/assets/{.sprockets-manifest-*.json,manifest-*.json}", File::FNM_DOTMATCH).any?
puts "Detected manifest file, assuming assets were compiled locally"
return true
end
precompile = rake.task("assets:precompile")
return true unless precompile.is_defined?
topic("Preparing app for Rails asset pipeline")
@cache.load_without_overwrite public_assets_folder
@cache.load default_assets_cache
precompile.invoke(env: rake_env)
if precompile.success?
log "assets_precompile", :status => "success"
puts "Asset precompilation completed (#{"%.2f" % precompile.time}s)"
puts "Cleaning assets"
rake.task("assets:clean").invoke(env: rake_env)
cleanup_assets_cache
@cache.store public_assets_folder
@cache.store default_assets_cache
else
precompile_fail(precompile.output)
end
end
end
end
def cleanup_assets_cache
instrument "rails4.cleanup_assets_cache" do
LanguagePack::Helpers::StaleFileCleaner.new(default_assets_cache).clean_over(ASSETS_CACHE_LIMIT)
end
end
end