Expose batch subcommand (#7608)

Co-authored-by: Guillaume GILL <g.gill@oceasoft.com>

docker-entrypoint.sh

@@ -12,7 +12,7 @@ codegen="${cli}/target/openapi-generator-cli.jar"
 # We code in a list of commands here as source processing is potentially buggy (requires undocumented conventional use of annotations).
 # A list of known commands helps us determine if we should compile CLI. There's an edge-case where a new command not added to this
 # list won't be considered a "real" command. We can get around that a bit by checking CLI completions beforehand if it exists.
-commands="config-help,generate,help,list,meta,validate,version"
+commands="config-help,generate,batch,help,list,meta,validate,version"
 
 if [ $# == 0 ]; then
 	echo "No command specified. Available commands:"

modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/GenerateBatch.java

@@ -61,7 +61,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 @SuppressWarnings({"unused", "MismatchedQueryAndUpdateOfCollection", "java:S106"})
-@Command(name = "batch", description = "Generate code in batch via external configs.", hidden = true)
+@Command(name = "batch", description = "Generate code in batch via external configs.")
 public class GenerateBatch extends OpenApiGeneratorCommand {
     private static AtomicInteger failures = new AtomicInteger(0);
     private static AtomicInteger successes = new AtomicInteger(0);