//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
//sys	Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32
//sysnb	setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32
//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT

//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
//sysnb	setgroups(n int, list *_Gid_t) (err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

		return r, true, nil
	}
	for _, group := range r.User.GetGroups() {
		if group == user.AllAuthenticated || group == user.AllUnauthenticated {
			return r, true, nil
		}
	}

	newGroups := make([]string, 0, len(r.User.GetGroups())+1)
	newGroups = append(newGroups, r.User.GetGroups()...)
	newGroups = append(newGroups, user.AllAuthenticated)

	ret := *r // shallow copy
	ret.User = &user.DefaultInfo{

	if err != nil || !ok {
		return nil, ok, err
	}

	newGroups := make([]string, 0, len(r.User.GetGroups())+len(g.Groups))
	newGroups = append(newGroups, r.User.GetGroups()...)
	newGroups = append(newGroups, g.Groups...)

	ret := *r // shallow copy
	ret.User = &user.DefaultInfo{
		Name:   r.User.GetName(),
		UID:    r.User.GetUID(),
		Groups: newGroups,
		Extra:  r.User.GetExtra(),
	}
	return &ret, true, nil

	if err != nil || !ok {
		return nil, ok, err
	}

	newGroups := make([]string, 0, len(r.User.GetGroups())+len(g.Groups))
	newGroups = append(newGroups, r.User.GetGroups()...)
	newGroups = append(newGroups, g.Groups...)

	ret := *r // shallow copy
	ret.User = &user.DefaultInfo{
		Name:   r.User.GetName(),
		UID:    r.User.GetUID(),
		Groups: newGroups,
		Extra:  r.User.GetExtra(),
	}
	return &ret, true, nil

        target.setPath(task.getPath())
                .setName(task.getName())
                .setGroup(task.getGroup())
                .setDisplayName(task.toString())
                .setDescription(task.getDescription())
                .setPublic(PublicTaskSpecification.INSTANCE.isSatisfiedBy(task))

    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public Set<String> getGroups() {
        return groups;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return groups.contains(module.getGroup());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {

    }

    private ExcludeSpec tryGroupSetUnion(GroupSetExclude left, ExcludeSpec right) {
        Set<String> leftGroups = left.getGroups();
        if (right instanceof ModuleIdExclude) {
            ModuleIdExclude mie = (ModuleIdExclude) right;
            if (leftGroups.contains(mie.getModuleId().getGroup())) {
                return left;
            }
        }
        if (right instanceof ModuleIdSetExclude) {

    public void setDescription(String description) {
        super.setDescription(description);
    }

    @Override
    public String getGroup() {
        return super.getGroup();
    }

    @Override
    public void setGroup(String group) {
        super.setGroup(group);
    }

    @Override
    public TaskDestroyables getDestroyables() {
        return super.getDestroyables();
    }

        return Collections.singletonList(path);
    }

    @Override
    public String getProjectPath() {
        return null;
    }

    public String getGroup() {
        return group;
    }

    public LaunchableGradleTask setGroup(String group) {
        this.group = group;
        return this;
    }

    public boolean isPublic() {
        return isPublic;
    }