[fixes projectlombok#3389] Support multi-release jars in delombok

.github/workflows/ant.yml

@@ -151,3 +151,25 @@ jobs:
 
       - name: Compile in container
         run: docker run --entrypoint="" -v $(pwd)/lombok.jar:/workspace/lombok.jar $IMAGE_NAME /bin/bash -c "cd classpath; ${{ matrix.tool.cmd }}"
+
+  module-tests:
+    runs-on: ubuntu-latest
+    needs: build
+    strategy: 
+      matrix: 
+        jdk: [9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
+        dir: [multiReleaseJar, moduleBasedMultiProject]
+      fail-fast: false
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: lombok.jar
+
+      - name: Run tests
+        working-directory: ./test/manual/${{ matrix.dir }}/
+        run: ./runTests
+

buildScripts/ivy.xml

@@ -55,6 +55,7 @@
 		<dependency org="org.springframework" name="spring-core" rev="5.3.4" conf="test->master" />
 		<dependency org="com.fasterxml.jackson.core" name="jackson-databind" rev="2.10.0" conf="test->master" />
 		<dependency org="com.fasterxml.jackson.core" name="jackson-annotations" rev="2.10.0" conf="test->master" />
+		<dependency org="org.jetbrains" name="annotations" rev="24.0.1" conf="test->master" />
 
 		<!-- build tooling -->
 		<dependency org="com.hierynomus" name="sshj" rev="0.26.0" conf="buildtools->default" />

src/delombok/lombok/delombok/Delombok.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009-2019 The Project Lombok Authors.
+ * Copyright (C) 2009-2023 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -40,6 +40,7 @@
 import java.nio.charset.Charset;
 import java.nio.charset.UnsupportedCharsetException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -323,7 +324,10 @@ public static void main(String[] rawArgs) {
 				}
 			}
 
-			delombok.delombok();
+			boolean success = delombok.delombok();
+			if (!success) {
+				System.exit(1);
+			}
 		} catch (Exception e) {
 			if (!args.quiet) {
 				String msg = e.getMessage();
@@ -744,6 +748,11 @@ public boolean delombok() throws IOException {
 				((BaseFileManager) jfm_).setContext(context); // reinit with options
 				((BaseFileManager) jfm_).handleOptions(args.getDeferredFileManagerOptions());
 			}
+
+			if (jfm_.isSupportedOption("--multi-release") == 1) {
+				List<String> compilerVersionString = Arrays.asList(Integer.toString(Javac.getJavaCompilerVersion()));
+				jfm_.handleOption("--multi-release", compilerVersionString.iterator());
+			}
 		}
 
 		if (Javac.getJavaCompilerVersion() < 9) {
@@ -827,7 +836,7 @@ public boolean delombok() throws IOException {
 		}
 		delegate.close();
 
-		return true;
+		return compiler.errorCount() == 0;
 	}
 
 	private String unpackClasspath(String cp) {

test/manual/moduleBasedMultiProject/runTests

@@ -1,4 +1,5 @@
 #!/bin/sh
+set -euo pipefail
 echo 'This will build, module-style, 2 modules with lombok dependencies. If the compilation works without error or warning, lombok is working as designed.'
 mkdir -p out/projA
 mkdir -p out/projB

test/manual/multiReleaseJar/.gitignore

@@ -0,0 +1 @@
+/out

test/manual/multiReleaseJar/runTests

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -euo pipefail
+echo 'This will build a project with a multi release jar dependency. If the compilation works without error or warning, lombok is working as designed.'
+mkdir -p out/javac
+
+# We cannot use the link because javac can infer the module name
+JAR=$(realpath ../../../lib/test/org.jetbrains-annotations.jar)
+
+javac --processor-path ../../../dist/lombok.jar -p ../../../dist/lombok.jar:$JAR -d out/javac src/module-info.java src/pkg/MultiReleaseJarTest.java
+
+echo Now we try to delombok and see if it works as designed.
+
+java -jar ../../../dist/lombok.jar delombok --module-path $JAR -d out/delombok src

test/manual/multiReleaseJar/src/module-info.java

@@ -0,0 +1,4 @@
+module pkg {
+	requires static org.jetbrains.annotations;
+	requires static lombok;
+}

test/manual/multiReleaseJar/src/pkg/MultiReleaseJarTest.java

@@ -0,0 +1,10 @@
+package pkg;
+
+import lombok.Getter;
+import org.jetbrains.annotations.NotNull;
+
+@Getter
+public class MultiReleaseJarTest {
+	@NotNull
+	private String test;
+}