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require 'rake'
require 'rake/dsl_definition'
class Thor
# Adds a compatibility layer to your Thor classes which allows you to use
# rake package tasks. For example, to use rspec rake tasks, one can do:
#
# require 'thor/rake_compat'
#
# class Default < Thor
# include Thor::RakeCompat
#
# Spec::Rake::SpecTask.new(:spec) do |t|
# t.spec_opts = ['--options', "spec/spec.opts"]
# t.spec_files = FileList['spec/**/*_spec.rb']
# end
# end
#
module RakeCompat
include Rake::DSL if defined?(Rake::DSL)
def self.rake_classes
@rake_classes ||= []
end
def self.included(base)
# Hack. Make rakefile point to invoker, so rdoc task is generated properly.
rakefile = File.basename(caller[0].match(/(.*):\d+/)[1])
Rake.application.instance_variable_set(:@rakefile, rakefile)
self.rake_classes << base
end
end
end
# override task on (main), for compatibility with Rake 0.9
self.instance_eval do
alias rake_namespace namespace
def task(*)
task = super
if klass = Thor::RakeCompat.rake_classes.last
non_namespaced_name = task.name.split(':').last
description = non_namespaced_name
description << task.arg_names.map{ |n| n.to_s.upcase }.join(' ')
description.strip!
klass.desc description, Rake.application.last_description || non_namespaced_name
Rake.application.last_description = nil
klass.send :define_method, non_namespaced_name do |*args|
Rake::Task[task.name.to_sym].invoke(*args)
end
end
task
end
def namespace(name)
if klass = Thor::RakeCompat.rake_classes.last
const_name = Thor::Util.camel_case(name.to_s).to_sym
klass.const_set(const_name, Class.new(Thor))
new_klass = klass.const_get(const_name)
Thor::RakeCompat.rake_classes << new_klass
end
super
Thor::RakeCompat.rake_classes.pop
end
end
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