Method: Bundler::RubygemsIntegration#replace_gem

Defined in:

lib/bundler/rubygems_integration.rb

#replace_gem(specs_by_name) ⇒ Object

# File 'lib/bundler/rubygems_integration.rb', line 180

def replace_gem(specs_by_name)
  executables = nil

  [::Kernel.singleton_class, ::Kernel].each do |kernel_class|
    redefine_method(kernel_class, :gem) do |dep, *reqs|
      if executables&.include?(File.basename(caller_locations(1, 1).first.path))
        break
      end

      reqs.pop if reqs.last.is_a?(Hash)

      unless dep.respond_to?(:name) && dep.respond_to?(:requirement)
        dep = Gem::Dependency.new(dep, reqs)
      end

      if spec = specs_by_name[dep.name]
        return true if dep.matches_spec?(spec)
      end

      message = if spec.nil?
        target_file = begin
                        Bundler.default_gemfile.basename
                      rescue GemfileNotFound
                        "inline Gemfile"
                      end
        "#{dep.name} is not part of the bundle." \
        " Add it to your #{target_file}."
      else
        "can't activate #{dep}, already activated #{spec.full_name}. " \
        "Make sure all dependencies are added to Gemfile."
      end

      e = Gem::LoadError.new(message)
      e.name = dep.name
      e.requirement = dep.requirement
      raise e
    end
  end
end