Add a skipPom parameter, skipping a project if packaging is pom

src/main/asciidoc/inc/_global-configuration.adoc

@@ -137,6 +137,9 @@ By default a progress meter is printed out on the console, which is omitted when
 | If set dont push any images even when `{plugin}:push` is called.
 | `docker.skip.push`
 
+| *skipPom*
+| If set to `true` this plugin will skip every projects, where `project.packaging` is set to `pom`. Property: `docker.skip.pom`
+
 | *skipRun*
 | If set dont create and start any containers with `{plugin}:start` or `{plugin}:run`
 | `docker.skip.run`

src/main/java/io/fabric8/maven/docker/BuildMojo.java

@@ -39,9 +39,15 @@ public class BuildMojo extends AbstractBuildSupportMojo {
     @Parameter(property = "docker.skip.build", defaultValue = "false")
     protected boolean skipBuild;
 
+    @Parameter(property = "docker.skip.pom", defaultValue = "false")
+    protected boolean skipPom;
+
     @Parameter(property = "docker.name", defaultValue = "")
     protected String name;
 
+    @Parameter(defaultValue = "${project.packaging}", required = true)
+    protected String packaging;
+
     /**
      * Skip Sending created tarball to docker daemon
      */
@@ -145,7 +151,7 @@ private void processImageConfig(ServiceHub hub, ImageConfiguration aImageConfig)
         BuildImageConfiguration buildConfig = aImageConfig.getBuildConfiguration();
 
         if (buildConfig != null) {
-            if(buildConfig.skip()) {
+            if(buildConfig.skip() || (skipPom && packaging.equalsIgnoreCase("pom"))) {
                 log.info("%s : Skipped building", aImageConfig.getDescription());
             } else {
                 buildAndTag(hub, aImageConfig);

src/test/java/io/fabric8/maven/docker/BuildMojoTest.java

@@ -0,0 +1,74 @@
+package io.fabric8.maven.docker;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Collections;
+
+import io.fabric8.maven.docker.access.BuildOptions;
+import io.fabric8.maven.docker.access.DockerAccessException;
+import io.fabric8.maven.docker.config.ImageConfiguration;
+import io.fabric8.maven.docker.service.BuildService;
+import io.fabric8.maven.docker.service.ImagePullManager;
+import mockit.Deencapsulation;
+import mockit.Mocked;
+import mockit.Tested;
+import mockit.Verifications;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.junit.Test;
+
+public class BuildMojoTest extends BaseMojoTest {
+    @Tested(fullyInitialized = false)
+    private BuildMojo buildMojo;
+
+    @Mocked
+    private BuildService buildService;
+
+    @Test
+    public void skipWhenPom() throws IOException, MojoExecutionException {
+        Deencapsulation.setField(serviceHub, "buildService", buildService);
+        givenMavenProject(buildMojo);
+        givenPackaging("pom");
+        givenSkipPom(true);
+
+        whenMojoExecutes();
+
+        thenBuildNotRun();
+    }
+
+    @Test
+    public void noSkipWhenNotPom() throws IOException, MojoExecutionException {
+        Deencapsulation.setField(serviceHub, "buildService", buildService);
+        givenMavenProject(buildMojo);
+        givenResolvedImages(buildMojo, Collections.singletonList(singleImageWithBuild()));
+        givenPackaging("jar");
+        givenSkipPom(true);
+
+        whenMojoExecutes();
+
+        thenBuildRun();
+    }
+
+    private void thenBuildRun() throws DockerAccessException, MojoExecutionException {
+        new Verifications() {{
+            buildService.buildImage((ImageConfiguration)any, (ImagePullManager) any, (BuildService.BuildContext)any, (File)any); times = 1;
+        }};
+    }
+
+    private void thenBuildNotRun() throws DockerAccessException, MojoExecutionException {
+        new Verifications() {{
+            buildService.buildImage((ImageConfiguration)any, (ImagePullManager) any, (BuildService.BuildContext)any, (File)any); times = 0;
+        }};
+    }
+
+    private void givenPackaging(String packaging) {
+        Deencapsulation.setField(buildMojo, "packaging", packaging);
+    }
+
+    private void givenSkipPom(boolean skipPom) {
+        Deencapsulation.setField(buildMojo, "skipPom", skipPom);
+    }
+
+    private void whenMojoExecutes() throws IOException, MojoExecutionException {
+        buildMojo.executeInternal(serviceHub);
+    }
+}