Embed quarkus version in native executable as a global string symbol

Enables getting the quarkus version without running the native
executable:

```
❯ strings target/quarkus-999-SNAPSHOT-runner | grep -F 'quarkus.version'
quarkus.version=999-SNAPSHOT
```

Closes quarkusio#43020

core/deployment/src/main/java/io/quarkus/deployment/QuarkusVersionProcessor.java

@@ -0,0 +1,15 @@
+package io.quarkus.deployment;
+
+import io.quarkus.deployment.annotations.BuildStep;
+import io.quarkus.deployment.builditem.nativeimage.ReflectiveFieldBuildItem;
+import io.quarkus.deployment.steps.MainClassBuildStep;
+import io.quarkus.runtime.Application;
+
+public class QuarkusVersionProcessor {
+ @BuildStep
+ ReflectiveFieldBuildItem setupVersionField() {
+ return new ReflectiveFieldBuildItem(
+ "Ensure it's included in the executable to be able to grep the quarkus version",
+ Application.APP_CLASS_NAME, MainClassBuildStep.GREPABLE_QUARKUS_VERSION);
+ }
+}

core/deployment/src/main/java/io/quarkus/deployment/builditem/nativeimage/ReflectiveFieldBuildItem.java

@@ -13,9 +13,7 @@ public final class ReflectiveFieldBuildItem extends MultiBuildItem {
  final String reason;
 
  public ReflectiveFieldBuildItem(String reason, FieldInfo field) {
- this.reason = reason;
- this.name = field.name();
- this.declaringClass = field.declaringClass().name().toString();
+ this(reason, field.declaringClass().name().toString(), field.name());
  }
 
  public ReflectiveFieldBuildItem(FieldInfo field) {
@@ -27,9 +25,13 @@ public ReflectiveFieldBuildItem(Field field) {
  }
 
  public ReflectiveFieldBuildItem(String reason, Field field) {
+ this(reason, field.getDeclaringClass().getName(), field.getName());
+ }
+
+ public ReflectiveFieldBuildItem(String reason, String declaringClass, String fieldName) {
  this.reason = reason;
- this.name = field.getName();
- this.declaringClass = field.getDeclaringClass().getName();
+ this.name = fieldName;
+ this.declaringClass = declaringClass;
  }
 
  public String getDeclaringClass() {

core/deployment/src/main/java/io/quarkus/deployment/steps/MainClassBuildStep.java

@@ -96,6 +96,9 @@ public class MainClassBuildStep {
  static final String STARTUP_CONTEXT = "STARTUP_CONTEXT";
  static final String LOG = "LOG";
  static final String JAVA_LIBRARY_PATH = "java.library.path";
+ // This is declared as a constant so that it can be grepped for in the native-image binary using `strings`, e.g.:
+ // strings ./target/quarkus-runner | grep "quarkus.version="
+ public static final String GREPABLE_QUARKUS_VERSION = "GREPABLE_QUARKUS_VERSION";
 
  public static final String GENERATE_APP_CDS_SYSTEM_PROPERTY = "quarkus.appcds.generate";
 
@@ -155,6 +158,9 @@ void build(List<StaticBytecodeRecorderBuildItem> staticInitTasks,
  FieldCreator scField = file.getFieldCreator(STARTUP_CONTEXT_FIELD);
  scField.setModifiers(Modifier.PUBLIC | Modifier.STATIC);
 
+ FieldCreator quarkusVersionField = file.getFieldCreator(GREPABLE_QUARKUS_VERSION, String.class)
+ .setModifiers(Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL);
+
  MethodCreator ctor = file.getMethodCreator("<init>", void.class);
  ctor.invokeSpecialMethod(ofMethod(Application.class, "<init>", void.class, boolean.class),
  ctor.getThis(), ctor.load(launchMode.isAuxiliaryApplication()));
@@ -192,6 +198,9 @@ void build(List<StaticBytecodeRecorderBuildItem> staticInitTasks,
  mv.writeStaticField(logField.getFieldDescriptor(), mv.invokeStaticMethod(
  ofMethod(Logger.class, "getLogger", Logger.class, String.class), mv.load("io.quarkus.application")));
 
+ // Init the GREPABLE_QUARKUS_VERSION field
+ mv.writeStaticField(quarkusVersionField.getFieldDescriptor(), mv.load("quarkus.version=" + Version.getVersion()));
+
  ResultHandle startupContext = mv.newInstance(ofConstructor(StartupContext.class));
  mv.writeStaticField(scField.getFieldDescriptor(), startupContext);
  TryBlock tryBlock = mv.tryBlock();