add clean-history-on-start and total-size-cap property in log4j2-file.xml

Signed-off-by: hojooo <ghwn5833@gmail.com>

Author: hojooo

core/spring-boot/src/main/resources/org/springframework/boot/logging/log4j2/log4j2-file.xml

@@ -41,7 +41,9 @@
 						timeModulate="${sys:LOG4J2_ROLLINGPOLICY_TIME_MODULATE:-false}"
 						cronExpression="${sys:LOG4J2_ROLLINGPOLICY_CRON_SCHEDULE}"/>
 				</Policies>
-			<DefaultRolloverStrategy max="${sys:LOG4J2_ROLLINGPOLICY_MAX_HISTORY:-7}"/>
+			<DefaultRolloverStrategy max="${sys:LOG4J2_ROLLINGPOLICY_MAX_HISTORY:-7}"
+				cleanHistoryOnStart="${sys:LOG4J2_ROLLINGPOLICY_CLEAN_HISTORY_ON_START:-false}"
+				totalSizeCap="${sys:LOG4J2_ROLLINGPOLICY_TOTAL_SIZE_CAP:-0}"/>
 		</RollingFile>
 	</Appenders>
 	<Loggers>

core/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/Log4J2LoggingSystemTests.java

@@ -979,7 +979,6 @@ private SpringBootTriggeringPolicy getTriggeringPolicy() {
 		this.loggingSystem.initialize(this.initializationContext, "classpath:org/springframework/boot/logging/log4j2/log4j2-file.xml", logFile);
 		LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
 		Configuration configuration = loggerContext.getConfiguration();
-		System.out.println("Configuration location: " + configuration.getConfigurationSource().getLocation());
 		RollingFileAppender appender = (RollingFileAppender) configuration.getAppenders().get("File");
 		assertThat(appender).isNotNull();
 			TriggeringPolicy topPolicy = appender.getManager().getTriggeringPolicy();