Remove the generate-config task

AFAIK we have never really promoted this, and it is far less functional
than the Dev UI config editor (especially given the number of properties
that we expose these days).

core/deployment/src/main/java/io/quarkus/runner/bootstrap/AugmentActionImpl.java

@@ -21,7 +21,6 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
-import org.eclipse.microprofile.config.spi.ConfigProviderResolver;
 import org.jboss.logging.Logger;
 
 import io.quarkus.bootstrap.BootstrapDebug;
@@ -34,23 +33,16 @@
 import io.quarkus.bootstrap.app.QuarkusBootstrap;
 import io.quarkus.bootstrap.classloading.ClassLoaderEventListener;
 import io.quarkus.bootstrap.classloading.QuarkusClassLoader;
-import io.quarkus.builder.BuildChain;
 import io.quarkus.builder.BuildChainBuilder;
-import io.quarkus.builder.BuildExecutionBuilder;
 import io.quarkus.builder.BuildResult;
 import io.quarkus.builder.item.BuildItem;
-import io.quarkus.deployment.ExtensionLoader;
 import io.quarkus.deployment.QuarkusAugmentor;
 import io.quarkus.deployment.builditem.ApplicationClassNameBuildItem;
-import io.quarkus.deployment.builditem.CuratedApplicationShutdownBuildItem;
 import io.quarkus.deployment.builditem.GeneratedClassBuildItem;
 import io.quarkus.deployment.builditem.GeneratedFileSystemResourceHandledBuildItem;
 import io.quarkus.deployment.builditem.GeneratedResourceBuildItem;
-import io.quarkus.deployment.builditem.LaunchModeBuildItem;
 import io.quarkus.deployment.builditem.LiveReloadBuildItem;
 import io.quarkus.deployment.builditem.MainClassBuildItem;
-import io.quarkus.deployment.builditem.RawCommandLineArgumentsBuildItem;
-import io.quarkus.deployment.builditem.ShutdownContextBuildItem;
 import io.quarkus.deployment.builditem.TransformedClassesBuildItem;
 import io.quarkus.deployment.pkg.builditem.ArtifactResultBuildItem;
 import io.quarkus.deployment.pkg.builditem.BuildSystemTargetBuildItem;
@@ -292,70 +284,6 @@ public StartupActionImpl reloadExistingApplication(boolean hasStartedSuccessfull
         return new StartupActionImpl(curatedApplication, result);
     }
 
-    /**
-     * Runs a custom augmentation action, such as generating config.
-     *
-     * @param chainBuild A consumer that customises the build to select the output targets
-     * @param executionBuild A consumer that can see the initial build execution
-     * @return The build result
-     */
-    public BuildResult runCustomAction(Consumer<BuildChainBuilder> chainBuild, Consumer<BuildExecutionBuilder> executionBuild) {
-        ProfileManager.setLaunchMode(launchMode);
-        QuarkusClassLoader classLoader = curatedApplication.getAugmentClassLoader();
-
-        ClassLoader old = Thread.currentThread().getContextClassLoader();
-        try {
-            Thread.currentThread().setContextClassLoader(classLoader);
-
-            final BuildChainBuilder chainBuilder = BuildChain.builder();
-            chainBuilder.setClassLoader(classLoader);
-
-            ExtensionLoader.loadStepsFrom(classLoader, new Properties(),
-                    curatedApplication.getApplicationModel(), launchMode, devModeType, null)
-                    .accept(chainBuilder);
-            chainBuilder.loadProviders(classLoader);
-
-            for (Consumer<BuildChainBuilder> c : chainCustomizers) {
-                c.accept(chainBuilder);
-            }
-            chainBuilder
-                    .addInitial(ShutdownContextBuildItem.class)
-                    .addInitial(LaunchModeBuildItem.class)
-                    .addInitial(CuratedApplicationShutdownBuildItem.class)
-                    .addInitial(LiveReloadBuildItem.class)
-                    .addInitial(RawCommandLineArgumentsBuildItem.class);
-            chainBuild.accept(chainBuilder);
-
-            BuildChain chain = chainBuilder
-                    .build();
-            boolean auxiliaryApplication = curatedApplication.getQuarkusBootstrap().isAuxiliaryApplication();
-            BuildExecutionBuilder execBuilder = chain.createExecutionBuilder("main")
-                    .produce(new LaunchModeBuildItem(launchMode,
-                            devModeType == null ? Optional.empty() : Optional.of(devModeType),
-                            auxiliaryApplication,
-                            Optional.ofNullable(curatedApplication.getQuarkusBootstrap().isHostApplicationIsTestOnly()
-                                    ? DevModeType.TEST_ONLY
-                                    : (auxiliaryApplication ? DevModeType.LOCAL : null)),
-                            curatedApplication.getQuarkusBootstrap().isTest()))
-                    .produce(new ShutdownContextBuildItem())
-                    .produce(new CuratedApplicationShutdownBuildItem(curatedApplication.getAugmentClassLoader(), true))
-                    .produce(new RawCommandLineArgumentsBuildItem())
-                    .produce(new LiveReloadBuildItem());
-            executionBuild.accept(execBuilder);
-            return execBuilder
-                    .execute();
-        } catch (Exception e) {
-            throw new RuntimeException("Failed to run task", e);
-        } finally {
-            try {
-                ConfigProviderResolver.instance().releaseConfig(ConfigProviderResolver.instance().getConfig(classLoader));
-            } catch (Exception ignore) {
-
-            }
-            Thread.currentThread().setContextClassLoader(old);
-        }
-    }
-
     private BuildResult runAugment(boolean firstRun, Set<String> changedResources,
             ClassChangeInformation classChangeInformation, ClassLoader deploymentClassLoader,
             Class<? extends BuildItem>... finalOutputs) {

devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/QuarkusPlugin.java

@@ -40,7 +40,6 @@
 import io.quarkus.gradle.tasks.QuarkusBuild;
 import io.quarkus.gradle.tasks.QuarkusDev;
 import io.quarkus.gradle.tasks.QuarkusGenerateCode;
-import io.quarkus.gradle.tasks.QuarkusGenerateConfig;
 import io.quarkus.gradle.tasks.QuarkusListCategories;
 import io.quarkus.gradle.tasks.QuarkusListExtensions;
 import io.quarkus.gradle.tasks.QuarkusListPlatforms;
@@ -64,7 +63,6 @@ public class QuarkusPlugin implements Plugin<Project> {
     public static final String QUARKUS_GENERATE_CODE_TASK_NAME = "quarkusGenerateCode";
     public static final String QUARKUS_GENERATE_CODE_TESTS_TASK_NAME = "quarkusGenerateCodeTests";
     public static final String QUARKUS_BUILD_TASK_NAME = "quarkusBuild";
-    public static final String GENERATE_CONFIG_TASK_NAME = "generateConfig";
     public static final String QUARKUS_DEV_TASK_NAME = "quarkusDev";
     public static final String QUARKUS_REMOTE_DEV_TASK_NAME = "quarkusRemoteDev";
     public static final String QUARKUS_TEST_TASK_NAME = "quarkusTest";
@@ -107,7 +105,6 @@ private void registerTasks(Project project, QuarkusPluginExtension quarkusExt) {
         tasks.create(LIST_PLATFORMS_TASK_NAME, QuarkusListPlatforms.class);
         tasks.create(ADD_EXTENSION_TASK_NAME, QuarkusAddExtension.class);
         tasks.create(REMOVE_EXTENSION_TASK_NAME, QuarkusRemoveExtension.class);
-        tasks.create(GENERATE_CONFIG_TASK_NAME, QuarkusGenerateConfig.class);
 
         QuarkusGenerateCode quarkusGenerateCode = tasks.create(QUARKUS_GENERATE_CODE_TASK_NAME, QuarkusGenerateCode.class);
         QuarkusGenerateCode quarkusGenerateCodeTests = tasks.create(QUARKUS_GENERATE_CODE_TESTS_TASK_NAME,