CLI: change rendering of nested subcommands in help

devtools/cli/src/main/java/io/quarkus/cli/ProjectExtensions.java

@@ -10,7 +10,7 @@
 import picocli.CommandLine.Unmatched;
 
 @CommandLine.Command(name = "extension", aliases = {
-        "ext" }, sortOptions = false, mixinStandardHelpOptions = false, header = "List, add, and remove extensions of an existing project.", subcommands = {
+        "ext" }, sortOptions = false, mixinStandardHelpOptions = false, header = "Configure extensions of an existing project.", subcommands = {
                 ProjectExtensionsList.class, ProjectExtensionsCategories.class,
                 ProjectExtensionsAdd.class,
                 ProjectExtensionsRemove.class }, headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", optionListHeading = "Options:%n")

devtools/cli/src/main/java/io/quarkus/cli/QuarkusCli.java

@@ -3,7 +3,6 @@
 import static picocli.CommandLine.Model.UsageMessageSpec.SECTION_KEY_COMMAND_LIST;
 
 import java.util.Collection;
-import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.concurrent.Callable;
 
@@ -94,22 +93,28 @@ public String render(Help help) {
             if (spec.subcommands().isEmpty()) {
                 return "";
             }
-            Map<String, String> tableElements = new LinkedHashMap<>();
-            addHierarchy(spec.subcommands().values(), tableElements, "");
-            return help.createTextTable(tableElements).toString();
+
+            Help.Column commands = new Help.Column(24, 2, CommandLine.Help.Column.Overflow.SPAN);
+            Help.Column descriptions = new Help.Column(spec.usageMessage().width() - 24, 2,
+                    CommandLine.Help.Column.Overflow.WRAP);
+            Help.TextTable textTable = Help.TextTable.forColumns(help.colorScheme(), commands, descriptions);
+            textTable.setAdjustLineBreaksForWideCJKCharacters(spec.usageMessage().adjustLineBreaksForWideCJKCharacters());
+
+            addHierarchy(spec.subcommands().values(), textTable, "");
+            return textTable.toString();
         }
 
-        private void addHierarchy(Collection<CommandLine> collection, Map<String, String> tableElements,
+        private void addHierarchy(Collection<CommandLine> collection, Help.TextTable textTable,
                 String indent) {
             collection.stream().distinct().forEach(subcommand -> {
                 // create comma-separated list of command name and aliases
                 String names = String.join(", ", subcommand.getCommandSpec().names());
                 String description = description(subcommand.getCommandSpec().usageMessage());
-                tableElements.put(indent + names, description);
+                textTable.addRowValues(indent + names, description);
 
                 Map<String, CommandLine> subcommands = subcommand.getSubcommands();
                 if (!subcommands.isEmpty()) {
-                    addHierarchy(subcommands.values(), tableElements, indent + "  ");
+                    addHierarchy(subcommands.values(), textTable, indent + "  ");
                 }
             });
         }

devtools/cli/src/main/java/io/quarkus/cli/Registry.java

@@ -7,7 +7,7 @@
 import picocli.CommandLine.ParseResult;
 import picocli.CommandLine.Unmatched;
 
-@CommandLine.Command(name = "registry", sortOptions = false, mixinStandardHelpOptions = false, header = "Manage extension registries.", subcommands = {
+@CommandLine.Command(name = "registry", sortOptions = false, mixinStandardHelpOptions = false, header = "Configure Quarkus registry client", subcommands = {
         RegistryAddCommand.class,
         RegistryListCommand.class,
         RegistryRemoveCommand.class }, headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", optionListHeading = "%nOptions:%n")

devtools/cli/src/main/java/io/quarkus/cli/RegistryAddCommand.java

@@ -16,8 +16,8 @@
 import io.quarkus.registry.config.json.RegistriesConfigMapperHelper;
 import picocli.CommandLine;
 
-@CommandLine.Command(name = "add", sortOptions = false, showDefaultValues = true, mixinStandardHelpOptions = false, header = "Add a Quarkus extension registry to the registry client configuration", description = "%n"
-        + "This command will add a Quarkus extension registry to the registry client configuration unless it's already present", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
+@CommandLine.Command(name = "add", sortOptions = false, showDefaultValues = true, mixinStandardHelpOptions = false, header = "Add a Quarkus extension registry", description = "%n"
+        + "This command will add a Quarkus extension registry to the registry client configuration unless it's already present.", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
 public class RegistryAddCommand extends BaseRegistryCommand {
 
     @CommandLine.Mixin

devtools/cli/src/main/java/io/quarkus/cli/RegistryListCommand.java

@@ -14,7 +14,7 @@
 import picocli.CommandLine;
 
 @CommandLine.Command(name = "list", sortOptions = false, showDefaultValues = true, mixinStandardHelpOptions = false, header = "List enabled Quarkus registries", description = "%n"
-        + "This command will list currently enabled Quarkus extension registries", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
+        + "This command will list currently enabled Quarkus extension registries.", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
 public class RegistryListCommand extends BaseRegistryCommand {
 
     @CommandLine.Mixin

devtools/cli/src/main/java/io/quarkus/cli/RegistryRemoveCommand.java

@@ -15,8 +15,8 @@
 import io.quarkus.registry.config.json.RegistriesConfigMapperHelper;
 import picocli.CommandLine;
 
-@CommandLine.Command(name = "remove", sortOptions = false, showDefaultValues = true, mixinStandardHelpOptions = false, header = "Remove a Quarkus extension registry from the registry client configuration", description = "%n"
-        + "This command will remove a Quarkus extension registry from the registry client configuration", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
+@CommandLine.Command(name = "remove", sortOptions = false, showDefaultValues = true, mixinStandardHelpOptions = false, header = "Remove a Quarkus extension registry", description = "%n"
+        + "This command will remove a Quarkus extension registry from the registry client configuration.", headerHeading = "%n", commandListHeading = "%nCommands:%n", synopsisHeading = "%nUsage: ", parameterListHeading = "%n", optionListHeading = "Options:%n")
 public class RegistryRemoveCommand extends BaseRegistryCommand {
 
     @CommandLine.Mixin