List<ScopeIds> getIds() {
        idsOfBuildTrees.collect { it.get(":") }
    }

    Map<String, ScopeIds> idsOfBuildTree(int buildNum) {
        idsOfBuildTrees.get(buildNum)
    }

    ScopeIds ids(int buildNum) {
        assert idsOfBuildTrees.size() > buildNum
        getIds()[buildNum]
    }

    UniqueId getBuildInvocationId() {
        idsOfBuildTrees.last().":".buildInvocation
    }

        given:
        expectEvent("started1")
        expectEvent("started2")
        buildFile << """
            task block {
                def buildNum = providers.gradleProperty("buildNum")
                doLast {
                    new URL("${getUrl('started')}\${buildNum.get()}").text

                    // Block indefinitely for the daemon to appear busy

		si         = buildReg("SI")
		gp         = buildReg("AX CX DX BX BP SI DI")
		fp         = buildReg("X0 X1 X2 X3 X4 X5 X6 X7")
		gpsp       = gp | buildReg("SP")
		gpspsb     = gpsp | buildReg("SB")
		callerSave = gp | fp
	)
	// Common slices of register masks
	var (
		gponly = []regMask{gp}
		fponly = []regMask{fp}
	)

	// Common regInfo
	var (
		gp01      = regInfo{inputs: nil, outputs: gponly}

// Note that DATE is omitted for reproducible builds
var (
	buildVersion     = "unknown"
	buildGitRevision = "unknown"
	buildStatus      = "unknown"
	buildTag         = "unknown"
	buildHub         = "unknown"
	buildOS          = "unknown"
	buildArch        = "unknown"
)

// BuildInfo describes version information about the binary build.
type BuildInfo struct {
	Version       string `json:"version"`

		gpg        = gp | buildReg("g")
		gpsp       = gp | buildReg("SP")
		gpspg      = gpg | buildReg("SP")
		gpspsbg    = gpspg | buildReg("SB")
		fp         = buildReg("F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		callerSave = gp | fp | buildReg("g") // runtime.setg (and anything calling it) may clobber g
		r0         = buildReg("R0")
		r1         = buildReg("R1")

    <buildTestSrc>${project.build.testSourceDirectory}</buildTestSrc>
    <buildScriptSrc>${project.build.scriptSourceDirectory}</buildScriptSrc>
    <buildOut>${project.build.directory}</buildOut>
    <buildMainOut>${project.build.outputDirectory}</buildMainOut>
    <buildTestOut>${project.build.testOutputDirectory}</buildTestOut>
    <siteOut>${project.reporting.outputDirectory}</siteOut>

        if (context.hasProblems()) {
            return null;
        }

        return buildRule(modelPath, ruleDefinition);
    }

    protected <R, S> void validateMethod(MethodRuleDefinition<R, S> ruleDefinition, MethodModelRuleExtractionContext context) {
    }

    protected abstract <R, S> ExtractedModelRule buildRule(ModelPath modelPath, MethodRuleDefinition<R, S> ruleDefinition);

		}
	}
	ln := newLocalListener(t, "tcp", &ListenConfig{
		KeepAlive: -1, // prevent calling hook from accepting
	})
	ls := (&streamListener{Listener: ln}).newLocalServer()
	defer ls.teardown()
	if err := ls.buildup(handler); err != nil {
		t.Fatal(err)
	}

	for _, cfg := range testConfigs {
		d := Dialer{
			KeepAlive:       defaultTCPKeepAliveIdle, // should be ignored
			KeepAliveConfig: cfg}

		fp64   = buildReg("F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31")
		gpsp   = gp | buildReg("SP")
		gpspsb = gpsp | buildReg("SB")
		// The "registers", which are actually local variables, can get clobbered
		// if we're switching goroutines, because it unwinds the WebAssembly stack.
		callerSave = gp | fp32 | fp64 | buildReg("g")
	)

	// Common regInfo
	var (
		gp01      = regInfo{inputs: nil, outputs: []regMask{gp}}

	return sh.CopyFile(dst, src, perm, force)
}

// copyFile is like 'cp src dst'.
func (sh *Shell) CopyFile(dst, src string, perm fs.FileMode, force bool) error {
	if cfg.BuildN || cfg.BuildX {
		sh.ShowCmd("", "cp %s %s", src, dst)
		if cfg.BuildN {
			return nil
		}
	}

	sf, err := os.Open(src)
	if err != nil {
		return err
	}
	defer sf.Close()

	// Be careful about removing/overwriting dst.