cmccabe commented on code in PR #13374:
URL: https://github.com/apache/kafka/pull/13374#discussion_r1149874897


##########
core/src/main/scala/kafka/tools/StorageTool.scala:
##########
@@ -22,19 +22,37 @@ import java.nio.file.{Files, Paths}
 import kafka.server.{BrokerMetadataCheckpoint, KafkaConfig, MetaProperties, 
RawMetaProperties}
 import kafka.utils.{Exit, Logging}
 import net.sourceforge.argparse4j.ArgumentParsers
-import net.sourceforge.argparse4j.impl.Arguments.{store, storeTrue}
+import net.sourceforge.argparse4j.impl.Arguments.{store, storeTrue, append}
 import net.sourceforge.argparse4j.inf.Namespace
 import org.apache.kafka.common.Uuid
 import org.apache.kafka.common.utils.Utils
 import org.apache.kafka.metadata.bootstrap.{BootstrapDirectory, 
BootstrapMetadata}
-import org.apache.kafka.server.common.MetadataVersion
+import org.apache.kafka.server.common.{ApiMessageAndVersion, MetadataVersion}
+import org.apache.kafka.common.metadata.FeatureLevelRecord
+import org.apache.kafka.common.metadata.UserScramCredentialRecord
+import org.apache.kafka.common.security.scram.internals.ScramMechanism
+import org.apache.kafka.common.security.scram.internals.ScramFormatter
 
+
+import java.util
+import java.util.Base64
 import java.util.Optional
 import scala.collection.mutable
+import scala.jdk.CollectionConverters._
+import scala.collection.mutable.ArrayBuffer
 
 object StorageTool extends Logging {
   def main(args: Array[String]): Unit = {
     try {
+      main_internal(args)

Review Comment:
   Can we just change the `System.exit` to an `Exit.exit` in the catch block 
for `TerseFailureException` and be done with it? I don't like this "two main 
functions" thing. And `main_internal` isn't a name we would use (we don't use 
underscores in names)...



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