}

    private ClassPath localGroovy() {
        Set<String> groovyModules = ImmutableSet.of(
            "groovy-ant",
            "groovy-astbuilder",
            "groovy-console",
            "groovy-datetime",
            "groovy-dateutil",
            "groovy-groovydoc",
            "groovy-json",
            "groovy-nio",
            "groovy-sql",

    val groovyGroup = if (isBundleGroovy4) "org.apache.groovy" else "org.codehaus.groovy"
    val groovy = "$groovyGroup:groovy"
    val groovyAnt = "$groovyGroup:groovy-ant"
    val groovyAstbuilder = "$groovyGroup:groovy-astbuilder"
    val groovyConsole = "$groovyGroup:groovy-console"
    val groovyDateUtil = "$groovyGroup:groovy-dateutil"
    val groovyDatetime = "$groovyGroup:groovy-datetime"
    val groovyDoc = "$groovyGroup:groovy-groovydoc"

	}

	if argLen > sys.ExecArgLengthLimit {
		return true
	}

	// On the Go build system, use response files about 10% of the
	// time, just to exercise this codepath.
	isBuilder := os.Getenv("GO_BUILDER_NAME") != ""
	if isBuilder && rand.Intn(10) == 0 {
		return true
	}

	return false
}

// encodeArg encodes an argument for response file writing.
func encodeArg(arg string) string {