Improve implementation

src/it/MJAR-296-exclude-default/pom.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.plugins</groupId>
+  <artifactId>mjar-296-exclude-default</artifactId>
+  <name>mjar-296-suppress-default-excludes</name>
+  <description>Verifies that the resulting jar not includes files excluded by default</description>
+  <packaging>jar</packaging>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.build.outputTimestamp>2023-11-19T13:25:58Z</project.build.outputTimestamp>
+  </properties>
+
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-resources-plugin</artifactId>
+          <configuration>
+            <addDefaultExcludes>false</addDefaultExcludes>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <version>@project.version@</version>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/it/MJAR-296-exclude-default/setup.groovy

@@ -0,0 +1,29 @@
+import java.nio.file.Files
+import java.nio.file.Paths
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// excluded files are not copied by m-invoker-p - so we need create one
+
+def resDir = basedir.toPath().resolve("src/main/resources")
+Files.createDirectories(resDir)
+Files.createFile(resDir.resolve(".cvsignore"))
+
+return true

src/it/MJAR-296-exclude-default/verify.groovy

@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.jar.*;
+
+def target = new File(basedir, "target")
+def artifact = new File(target, "mjar-296-exclude-default-1.0-SNAPSHOT.jar")
+
+assert artifact.exists()
+
+def jar = new JarFile(artifact)
+assert ".cvsignore" !in jar.entries()*.name

src/it/MJAR-296/pom.xml → src/it/MJAR-296-suppress-default-excludes/pom.xml

@@ -35,6 +35,17 @@
   </properties>
 
   <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-resources-plugin</artifactId>
+          <configuration>
+            <addDefaultExcludes>false</addDefaultExcludes>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>

src/it/MJAR-296-suppress-default-excludes/setup.groovy

@@ -0,0 +1,29 @@
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.Paths
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+// excluded files are not copied by m-invoker-p - so we need create one
+def resDir = basedir.toPath().resolve("src/main/resources")
+Files.createDirectories(resDir)
+Files.createFile(resDir.resolve(".cvsignore"))
+
+return true

src/it/MJAR-296-suppress-default-excludes/src/main/java/Foo.java

@@ -0,0 +1,31 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * Hello world!
+ *
+ */
+public class Foo
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "Hello World!" );
+    }
+}

src/it/MJAR-296-suppress-default-excludes/verify.groovy

@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.jar.*;
+
+def target = new File(basedir, "target")
+def artifact = new File(target, "mjar-296-suppress-default-excludes-1.0-SNAPSHOT.jar")
+
+assert artifact.exists()
+
+def jar = new JarFile(artifact)
+assert ".cvsignore" in jar.entries()*.name
+
+

src/main/java/org/apache/maven/plugins/jar/AbstractJarMojo.java

@@ -195,6 +195,8 @@ public abstract class AbstractJarMojo extends AbstractMojo {
      * **/.darcsrepo/****/-darcs-backup*, **/.darcs-temp-mail
      * </ul>
      *
+     * @see <a
+     *         href="https://github.com/codehaus-plexus/plexus-utils/blob/master/src/main/java/org/codehaus/plexus/util/AbstractScanner.java">DEFAULTEXCLUDES</a>
      * @since 3.4.0
      */
     @Parameter(defaultValue = "true")
@@ -261,7 +263,6 @@ public File createArchive() throws MojoExecutionException {
         jarContentFileSet.setDirectory(getClassesDirectory().getAbsolutePath());
         jarContentFileSet.setIncludes(Arrays.asList(getIncludes()));
         jarContentFileSet.setExcludes(Arrays.asList(getExcludes()));
-        jarContentFileSet.setUseDefaultExcludes(addDefaultExcludes);
 
         String[] includedFiles = fileSetManager.getIncludedFiles(jarContentFileSet);
 
@@ -388,10 +389,11 @@ private String[] getExcludes() {
 
     private org.codehaus.plexus.archiver.FileSet getFileSet(File contentDirectory) {
         DefaultFileSet fileSet = DefaultFileSet.fileSet(contentDirectory)
+                .prefixed("")
                 .includeExclude(getIncludes(), getExcludes())
                 .includeEmptyDirs(true);
 
-        fileSet.setUsingDefaultExcludes(false);
+        fileSet.setUsingDefaultExcludes(addDefaultExcludes);
         return fileSet;
     }
 }