_ * startParameter.gradleHomeDir >> gradleInstallationHomeDir
    }

    private static File fromDir(File dir) {
        new File(dir, Project.GRADLE_PROPERTIES)
    }

    def mergeAddsPropertiesFromInstallationPropertiesFile() {
        given:
        1 * environment.propertiesFile(fromDir(gradleInstallationHomeDir)) >> [
            "settingsProp": "settings value"
        ]

        when: