fabric.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
    <Appenders>
        <Console name="SysOut" target="SYSTEM_OUT">
            <!--LegacyXMLLayout / note: this is for the stupid mojang launcher-->
            <PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level] [%logger]: %msg%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
                <OnStartupTriggeringPolicy />
            </Policies>
        </Console>
        <RollingRandomAccessFile name="File" fileName="logs/latest.log" filePattern="logs/%d{yyyy-MM-dd}-%i.log.gz">
            <PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level] [%logger]: %msg%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
                <OnStartupTriggeringPolicy />
            </Policies>
        </RollingRandomAccessFile>
        <RollingRandomAccessFile name="FabricFile" fileName="logs/fabric.log" filePattern="logs/%d{yyyy-MM-dd}-%i.fabric.log.gz">
            <PatternLayout pattern="[%d{HH:mm:ss}] [%t/%level] [%logger]: %msg%n" />
            <Policies>
                <TimeBasedTriggeringPolicy />
                <OnStartupTriggeringPolicy />
            </Policies>
        </RollingRandomAccessFile>
    </Appenders>
    <Loggers>
        <Logger name="fabric" level="trace" additivity="false">
            <AppenderRef ref="SysOut"/>
            <AppenderRef ref="File"/>
            <AppenderRef ref="FabricFile"/>
        </Logger>
        <Root level="debug">
            <AppenderRef ref="SysOut"/>
            <AppenderRef ref="File"/>
        </Root>
    </Loggers>
</Configuration>