import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

import java.util.Map;

@ServiceScope(Scope.Build.class)
public interface ProjectPropertiesLoader {

    Map<String, Object> loadProjectProperties();

        }
        getVariables() >> Mock(Environment.Properties) {
            byNamePrefix(ENV_PROJECT_PROPERTIES_PREFIX) >> { prefixedEnvironmentVariables }
        }
    }

    private final ProjectPropertiesLoader projectPropertiesLoader = new DefaultProjectPropertiesLoader(startParameter, environment)

    def "load properties from environment variables with prefix"() {
        given:
        prefixedEnvironmentVariables = [

    private final SystemPropertiesInstaller systemPropertiesInstaller;
    private final ProjectPropertiesLoader projectPropertiesLoader;

    public DefaultGradlePropertiesController(IGradlePropertiesLoader propertiesLoader, SystemPropertiesInstaller systemPropertiesInstaller, ProjectPropertiesLoader projectPropertiesLoader) {
        this.propertiesLoader = propertiesLoader;

import static org.gradle.initialization.IGradlePropertiesLoader.SYSTEM_PROJECT_PROPERTIES_PREFIX;

public class DefaultProjectPropertiesLoader implements ProjectPropertiesLoader {

    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultProjectPropertiesLoader.class);

    private final Environment environment;

    private final StartParameterInternal startParameter;