File parentDir = codeSource.getParentFile();

        if (parentDir.getName().equals("lib")) {
            File pluginsDir = new File(parentDir, "plugins");
            return parentDir.isDirectory() && pluginsDir.exists() && pluginsDir.isDirectory() ? parentDir.getParentFile() : null;
        }

        if (parentDir.getName().equals("plugins")) {

    private final OperationIdentifier id;
    private final OperationIdentifier parentId;

    public DefaultTestOutputDescriptor(OperationIdentifier id, OperationIdentifier parentId) {
        this.id = id;
        this.parentId = parentId;
    }

    @Override
    public OperationIdentifier getId() {
        return id;
    }

    @Override

        loadOps[0].details.buildPath == ":"
        loadOps[0].parentId == root.id

        loadOps[1].displayName == "Load build (:buildB)"
        loadOps[1].details.buildPath == ":buildB"
        loadOps[1].parentId == loadOps[0].id

        loadOps[2].displayName == "Load build (:buildB:buildSrc)"
        loadOps[2].details.buildPath == ":buildB:buildSrc"
        loadOps[2].parentId == buildSrcOps[0].id

    }

    SerializedOperationStart(Map<String, ?> map) {
        this.id = ((Integer) map.get("id")).longValue();
        Integer parentId = (Integer) map.get("parentId");
        this.parentId = parentId == null ? null : parentId.longValue();
        this.displayName = (String) map.get("displayName");
        this.startTime = (Long) map.get("startTime");
        this.details = map.get("details");

        taskGraphOps[0].parentId == treeTaskGraphOps[0].id
        taskGraphOps[1].displayName == "Calculate task graph (:buildC)"
        taskGraphOps[1].details.buildPath == ":buildC"
        taskGraphOps[1].parentId == treeTaskGraphOps[0].id
        taskGraphOps[2].displayName == "Calculate task graph"
        taskGraphOps[2].details.buildPath == ":"
        taskGraphOps[2].parentId == treeTaskGraphOps[1].id

// Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.

package compact

// parents maps a compact index of a tag to the compact index of the parent of
// this tag.
var parents = []ID{ // 775 elements
	// Entry 0 - 3F
	0x0000, 0x0000, 0x0001, 0x0001, 0x0000, 0x0004, 0x0000, 0x0006,
	0x0000, 0x0008, 0x0000, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
	0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,

            OperationIdentifier parentId = buildOperation.getParentId();

            if (parentId != null) {
                if (active.containsKey(parentId)) {
                    parents.put(id, parentId);
                } else {
                    parentId = parents.get(parentId);
                    if (parentId != null) {
                        parents.put(id, parentId);
                    }
                }

    def startConfigureRootBuild(Long id, Long parentId, int totalProgress) {
        return start(id, parentId, BuildOperationCategory.CONFIGURE_ROOT_BUILD, totalProgress)
    }

    def startConfigureBuild(Long id, Long parentId, int totalProgress) {
        return start(id, parentId, BuildOperationCategory.CONFIGURE_BUILD, totalProgress)
    }

    def startConfigureProject(Long id, Long parentId) {

            assert event.progressOperationId != parentId
            assert event.parentProgressOperationId == parentId
        }
    }

    def "can specify the parent of an operation"() {
        given:
        def sibling = factory.newOperation("category").setDescription("sibling")
        def parent = factory.newOperation("category").setDescription("parent")

        loadOps.size() == 2
        loadOps[0].displayName == "Load build"
        loadOps[0].details.buildPath == ":"
        loadOps[0].parentId == root.id
        loadOps[1].displayName == "Load build (:buildB)"
        loadOps[1].details.buildPath == ":buildB"
        loadOps[1].parentId == resolve.id

        def buildIdentifiedEvents = operations.progress(BuildIdentifiedProgressDetails)
        buildIdentifiedEvents.size() == 2