else -> patternSpecFor(includes).and(patternSpecFor(excludes).negate())
    }


private
fun patternSpecFor(patterns: List<String>) =

    private static final Splitter PATH_SPLITTER = Splitter.on(CharMatcher.anyOf("\\/")).omitEmptyStrings();

    public static PatternMatcher getPatternsMatcher(boolean partialMatchDirs, boolean caseSensitive, Iterable<String> patterns) {
        PatternMatcher matcher = PatternMatcher.MATCH_ALL;
        for (String pattern : patterns) {

    @Test public void testNoStackOverflowForManyPatterns() {
        // The only reason for this unit test is to verify that no StackOverflowException is being thrown when
        // many patterns are passed to getPatternsMatcher. See https://github.com/gradle/gradle/issues/10329
        Set<String> manyPatterns =  new LinkedHashSet<String>();
        for (int i = 0; i < 5000; i++) {

        if (patterns.isEmpty()) {
            return include ? Specs.satisfyAll() : Specs.satisfyNone();
        }

        PatternMatcher matcher = PatternMatcherFactory.getPatternsMatcher(include, caseSensitive, patterns);

        return new RelativePathSpec(matcher);
    }

    private enum CaseSensitivity {
        CASE_SENSITIVE(true),
        CASE_INSENSITIVE(false);

        if (!patterns.iterator().hasNext()) {
            throw new InvalidUserDataException("must provide at least one pattern to match");
        }
        PatternMatcher matcher = PatternMatcherFactory.getPatternsMatcher(true, isCaseSensitive(), patterns);
        return eachFile(new MatchingCopyAction(matcher, action));
    }

    @Override