84 lines
2 KiB
Ruby
84 lines
2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module RuboCop
|
|
module Cop
|
|
module Rake
|
|
# Flag global `require`s or `require_relative`s in rake files.
|
|
#
|
|
# Load dependencies lazily in `task` definitions if possible.
|
|
#
|
|
# @example
|
|
# # bad
|
|
#
|
|
# require_relative 'gitlab/json'
|
|
# require 'json'
|
|
#
|
|
# task :parse_json do
|
|
# Gitlab::Json.parse(...)
|
|
# end
|
|
#
|
|
# # good
|
|
#
|
|
# task :parse_json do
|
|
# require_relative 'gitlab/json'
|
|
# require 'json'
|
|
#
|
|
# Gitlab::Json.parse(...)
|
|
# end
|
|
#
|
|
# RSpec::Core::RakeTask.new(:parse_json) do |t, args|
|
|
# require_relative 'gitlab/json'
|
|
# require 'json'
|
|
#
|
|
# Gitlab::Json.parse(...)
|
|
# end
|
|
#
|
|
# # Requiring files which contain the word `task` is allowed.
|
|
# require 'some_gem/rake_task'
|
|
# require 'some_gem/rake_tasks'
|
|
#
|
|
# SomeGem.define_tasks
|
|
#
|
|
# # Loading in method definition as well.
|
|
# def load_deps
|
|
# require 'json'
|
|
# end
|
|
#
|
|
# task :parse_json
|
|
# load_deps
|
|
# end
|
|
#
|
|
class Require < RuboCop::Cop::Base
|
|
MSG = 'Load dependencies inside `task` definitions if possible.'
|
|
|
|
METHODS = %i[require require_relative].freeze
|
|
RESTRICT_ON_SEND = METHODS
|
|
|
|
def_node_matcher :require_method, <<~PATTERN
|
|
(send nil? ${#{METHODS.map(&:inspect).join(' ')}} $_)
|
|
PATTERN
|
|
|
|
def on_send(node)
|
|
method, file = require_method(node)
|
|
return unless method
|
|
|
|
return if requires_task?(file)
|
|
return if inside_block_or_method?(node)
|
|
|
|
add_offense(node)
|
|
end
|
|
|
|
private
|
|
|
|
# Allow `require "foo/rake_task"`
|
|
def requires_task?(file)
|
|
file.source.include?('task')
|
|
end
|
|
|
|
def inside_block_or_method?(node)
|
|
node.each_ancestor(:block, :def).any?
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|