[MDEPLOY-311] Pass on 'packaging' when creating artifact to upload

src/main/java/org/apache/maven/plugins/deploy/DeployFileMojo.java

@@ -265,18 +265,18 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         deployRequest.setRepository(remoteRepository);
 
         boolean isFilePom = classifier == null && "pom".equals(packaging);
+        String extension = packaging;
         if (!isFilePom) {
             ArtifactType artifactType =
                     session.getRepositorySession().getArtifactTypeRegistry().get(packaging);
             if (artifactType != null
                     && (classifier == null || classifier.isEmpty())
                     && !StringUtils.isEmpty(artifactType.getClassifier())) {
                 classifier = artifactType.getClassifier();
+                extension = artifactType.getExtension();
             }
         }
-        Artifact mainArtifact = new DefaultArtifact(
-                        groupId, artifactId, classifier, isFilePom ? "pom" : getExtension(file), version)
-                .setFile(file);
+        Artifact mainArtifact = new DefaultArtifact(groupId, artifactId, classifier, extension, version).setFile(file);
         deployRequest.addArtifact(mainArtifact);
 
         File artifactLocalFile = getLocalRepositoryFile(session.getRepositorySession(), mainArtifact);

src/test/java/org/apache/maven/plugins/deploy/DeployFileMojoTest.java

@@ -276,6 +276,45 @@ public void testDeployIfArtifactIsNotJar() throws Exception {
         assertTrue(file.exists());
     }
 
+    public void testDeployFileIfPackagingIsSet() throws Exception {
+        File testPom = new File(getBasedir(), "target/test-classes/unit/deploy-file-packaging/plugin-config.xml");
+
+        mojo = (DeployFileMojo) lookupMojo("deploy-file", testPom);
+
+        MockitoAnnotations.initMocks(this);
+
+        assertNotNull(mojo);
+
+        ProjectBuildingRequest buildingRequest = mock(ProjectBuildingRequest.class);
+        when(buildingRequest.getRepositoryMerging()).thenReturn(ProjectBuildingRequest.RepositoryMerging.POM_DOMINANT);
+        when(session.getProjectBuildingRequest()).thenReturn(buildingRequest);
+        DefaultRepositorySystemSession repositorySession = new DefaultRepositorySystemSession();
+        repositorySession.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory()
+                .newInstance(repositorySession, new LocalRepository(LOCAL_REPO)));
+        when(buildingRequest.getRepositorySession()).thenReturn(repositorySession);
+        when(session.getRepositorySession()).thenReturn(repositorySession);
+
+        String packaging = (String) getVariableValueFromObject(mojo, "packaging");
+
+        String groupId = (String) getVariableValueFromObject(mojo, "groupId");
+
+        String artifactId = (String) getVariableValueFromObject(mojo, "artifactId");
+
+        String version = (String) getVariableValueFromObject(mojo, "version");
+
+        assertEquals("differentpackaging", packaging);
+
+        mojo.execute();
+
+        File deployedArtifact = new File(
+                remoteRepo,
+                "deploy-file-packaging/" + groupId.replace('.', '/') + "/"
+                        + artifactId + "/" + version + "/" + artifactId + "-"
+                        + version + ".differentpackaging");
+
+        assertTrue(deployedArtifact.exists());
+    }
+
     private void addFileToList(File file, List<String> fileList) {
         if (!file.isDirectory()) {
             fileList.add(file.getName());

src/test/resources/unit/deploy-file-packaging/plugin-config.xml

@@ -0,0 +1,38 @@
+<!--
+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>
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-deploy-plugin</artifactId>
+        <configuration>
+          <groupId>org.apache.maven.test</groupId>
+          <artifactId>maven-deploy-file-test</artifactId>
+          <version>1.0</version>
+          <packaging>differentpackaging</packaging>
+          <file>${basedir}/src/test/resources/unit/deploy-file-packaging/target/deploy-test-file-1.0-SNAPSHOT.jar</file>
+          <repositoryId>deploy-test</repositoryId>
+          <url>file://${basedir}/target/remote-repo/deploy-file-packaging</url>
+          <generatePom>true</generatePom>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>