private void addPropertiesToProject(Project project) { Properties projectProperties = new Properties(); File projectPropertiesFile = new File(project.getProjectDir(), Project.GRADLE_PROPERTIES); LOGGER.debug("Looking for project properties from: {}", projectPropertiesFile); if (projectPropertiesFile.isFile()) { projectProperties = GUtil.loadProperties(projectPropertiesFile); LOGGER.debug( "Adding project properties (if not overwritten by user properties): {}", projectProperties.keySet()); } else { LOGGER.debug("project property file does not exists. We continue!"); } Map<String, String> mergedProperties = propertiesLoader.mergeProperties(new HashMap(projectProperties)); ExtraPropertiesExtension extraProperties = new DslObject(project).getExtensions().getExtraProperties(); for (Map.Entry<String, String> entry : mergedProperties.entrySet()) { if (project.hasProperty(entry.getKey())) { project.setProperty(entry.getKey(), entry.getValue()); } else { extraProperties.set(entry.getKey(), entry.getValue()); } } }