Add jlinkOptions to JPackage tasks

To allow custom 'jlink' options to be specified.

Author: jjohannes

src/main/java/org/gradlex/javamodule/packaging/JavaModulePackagingExtension.java

@@ -36,6 +36,7 @@
 import org.gradle.api.plugins.JavaApplication;
 import org.gradle.api.plugins.JavaPluginExtension;
 import org.gradle.api.plugins.jvm.JvmTestSuite;
+import org.gradle.api.provider.ListProperty;
 import org.gradle.api.provider.Property;
 import org.gradle.api.tasks.JavaExec;
 import org.gradle.api.tasks.SourceSet;
@@ -71,6 +72,7 @@ abstract public class JavaModulePackagingExtension {
     abstract public Property<String> getApplicationDescription();
     abstract public Property<String> getVendor();
     abstract public Property<String> getCopyright();
+    abstract public ListProperty<String> getJlinkOptions();
     abstract public DirectoryProperty getJpackageResources();
     abstract public ConfigurableFileCollection getResources();
 
@@ -237,6 +239,7 @@ private void registerTargetSpecificTasks(Target target, String applicationJarTas
             t.getVendor().convention(getVendor());
             t.getCopyright().convention(getCopyright());
             t.getJavaOptions().convention(application.getApplicationDefaultJvmArgs());
+            t.getJlinkOptions().convention(getJlinkOptions());
             t.getOptions().convention(target.getOptions());
             t.getPackageTypes().convention(target.getPackageTypes());
             t.getResources().from(getResources());

src/main/java/org/gradlex/javamodule/packaging/tasks/Jpackage.java

@@ -99,6 +99,9 @@ abstract public class Jpackage extends DefaultTask {
     @Input
     abstract public ListProperty<String> getJavaOptions();
 
+    @Input
+    abstract public ListProperty<String> getJlinkOptions();
+
     @Input
     abstract public ListProperty<String> getOptions();
 
@@ -172,6 +175,9 @@ public void runJpackage() throws Exception {
             for (String javaOption : getJavaOptions().get()) {
                 e.args("--java-options", javaOption);
             }
+            for (String javaOption : getJlinkOptions().get()) {
+                e.args("--jlink-options", javaOption);
+            }
         });
 
         File appImageFolder = requireNonNull(appImageParent.getAsFile().listFiles())[0];