# File lib/librarian/puppet/source/forge/repo.rb, line 47
          def install_version!(version, install_path)
            if environment.local? && !vendored?(name, version)
              raise Error, "Could not find a local copy of #{name} at #{version}."
            end

            if environment.vendor?
              vendor_cache(name, version) unless vendored?(name, version)
            end

            cache_version_unpacked! version

            if install_path.exist? && rsync? != true
              install_path.rmtree
            end

            unpacked_path = version_unpacked_cache_path(version).join(module_name(name))

            unless unpacked_path.exist?
              raise Error, "#{unpacked_path} does not exist, something went wrong. Try removing it manually"
            else
              cp_r(unpacked_path, install_path)
            end

          end