return root.toFile().getAbsolutePath();
                }
                return null;
            }
        });

        interpolator.addValueSource(new MapBasedValueSource(context.getProjectProperties()));
        interpolator.addValueSource(new MapBasedValueSource(context.getUserProperties()));
        interpolator.addValueSource(new MapBasedValueSource(context.getSystemProperties()));

    private Map<String, String> projectPropertiesArgs = emptyMap()

    private final StartParameterInternal startParameter = Mock(StartParameterInternal) {
        getProjectProperties() >> { projectPropertiesArgs }
    }

    private final Environment environment = Mock(Environment) {
        getSystemProperties() >> Mock(Environment.Properties) {

                    return root.toFile().getAbsolutePath();
                }
                return null;
            }
        });

        interpolator.addValueSource(new MapBasedValueSource(context.getProjectProperties()));

        interpolator.addValueSource(new MapBasedValueSource(context.getUserProperties()));

        interpolator.addValueSource(new MapBasedValueSource(context.getSystemProperties()));

        startParameter.getSystemPropertiesArgs().putAll(properties.getRequestedSystemProperties());

        projectPropertiesCommandLineConverter.convert(parsedCommandLine, startParameter.getProjectProperties());

        if (!parsedCommandLine.getExtraArguments().isEmpty()) {
            startParameter.setTaskNames(parsedCommandLine.getExtraArguments());
        }

        properties.putAll(projectPropertiesFromEnvironmentVariables());
        properties.putAll(projectPropertiesFromSystemProperties());
        properties.putAll(startParameter.getProjectProperties());

        return properties;
    }

    private Map<String, String> projectPropertiesFromSystemProperties() {

        Map<String, String> gradlePropertiesAsSeenByToolchains = new HashMap<>();
        gradlePropertiesAsSeenByToolchains.putAll(properties.getProperties());
        gradlePropertiesAsSeenByToolchains.putAll(startParameter.getProjectProperties());
        toolchainConfigurationBuildOptionBackedConverter.convert(args, gradlePropertiesAsSeenByToolchains, daemonParameters.getToolchainConfiguration());

     */
    File getProjectDirectory();

    /**
     * Gets current calculated project properties
     *
     * @return The project properties, never {@code null}.
     */
    Map<String, String> getProjectProperties();

     */
    Path getProjectDirectory();

    /**
     * Gets current calculated project properties
     *
     * @return The project properties, never {@code null}.
     */
    Map<String, String> getProjectProperties();

        buildSrcStartParameter.setCurrentDir(buildSrcDir);
        buildSrcStartParameter.setProjectProperties(containingBuildParameters.getProjectProperties());
        buildSrcStartParameter.doNotSearchUpwards();
        buildSrcStartParameter.setInitScripts(containingBuildParameters.getInitScripts());
        return buildSrcStartParameter;
    }

        this.projectDirectory = projectDirectory;

        return this;
    }

    @Override
    public Map<String, String> getProjectProperties() {
        return projectProperties;
    }

    public DefaultProfileActivationContext setProjectProperties(Properties projectProperties) {
        return setProjectProperties(toMap(projectProperties));