Contents

# frozen_string_literal: true

module Rubocop
  module Cop
    # Prevents usage of the `git` and `github` arguments to `gem` in a
    # `Gemfile` in order to avoid additional points of failure beyond
    # rubygems.org.
    class GemFetcher < RuboCop::Cop::Base
      MSG = 'Do not use gems from git repositories, only use gems from RubyGems.'

      GIT_KEYS = [:git, :github].freeze

      def on_send(node)
        return unless gemfile?(node)

        func_name = node.children[1]
        return unless func_name == :gem

        node.children.last.each_node(:pair) do |pair|
          key_name = pair.children[0].children[0].to_sym
          add_offense(pair.source_range) if GIT_KEYS.include?(key_name)
        end
      end

      private

      def gemfile?(node)
        node
          .location
          .expression
          .source_buffer
          .name
          .end_with?("Gemfile")
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
gitlab-styles-9.1.0	lib/rubocop/cop/gem_fetcher.rb
gitlab-styles-9.0.0	lib/rubocop/cop/gem_fetcher.rb