run "copyTask"
        then:
        executedAndNotSkipped(":copyTask")
    }

    private static String addDefaultExclude(String excludedFileName = EXCLUDED_FILE_NAME) {
        """
            ${DirectoryScanner.name}.addDefaultExclude('**/${ excludedFileName}')
        """
    }

    private static String removeDefaultExclude(String defaultExcludedFileName) {
        """

            dir.file("settings${scriptLanguage}")
        }

        static String addDefaultExclude(String excludedFileName) {
            """
            ${DirectoryScanner.name}.addDefaultExclude("**/${excludedFileName}")
            """
        }
    }

    static class RootBuildLocation extends DefaultExcludesLocation {

        @Override

        if (scriptLanguage == DefaultExcludesFixture.ScriptLanguage.KOTLIN) {
            buildKotlinFile << DefaultExcludesFixture.DefaultExcludesLocation.addDefaultExclude(excludedByBuildScriptFileName)
        } else {
            buildFile << DefaultExcludesFixture.DefaultExcludesLocation.addDefaultExclude(excludedByBuildScriptFileName)
        }

        when:
        configurationCacheRun spec.copyTask

        then:

            if (!excludes.contains(oldExclude)) {
                DirectoryScanner.removeDefaultExclude(oldExclude);
            }
        }
        for (String exclude : excludes) {
            DirectoryScanner.addDefaultExclude(exclude);
        }

        currentDefaultExcludes = ImmutableList.copyOf(excludes);
        broadcast.getSource().onDefaultExcludesChanged(currentDefaultExcludes);
    }

        updateSettingsDefaults()

        then:
        included dir('.svn')
        included file('.svn', 'abc')
        included file('foo', '.DS_Store')

        when:
        DirectoryScanner.addDefaultExclude('*X*')
        updateSettingsDefaults()

        then:
        excluded file('X')
    }

    def "fails if default excludes are updated without changing the settings defaults"() {
        given: