Add skip flags

src/it/add-resource-skip/invoker.properties

@@ -0,0 +1,2 @@
+invoker.goals = -X generate-sources
+invoker.buildResult = success

src/it/add-resource-skip/pom.xml

@@ -0,0 +1,36 @@
+<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>build-helper</groupId>
+    <artifactId>integration-test</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+                <version>@project.version@</version>
+                <executions>
+                    <execution>
+                        <id>integration-test</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-resource</goal>
+                        </goals>
+                        <configuration>
+                            <resources>
+                                <resource>
+                                    <directory>${project.basedir}/not-existing</directory>
+                                    <targetPath>does-not-matter</targetPath>
+                                </resource>
+                            </resources>
+                            <skipAddResource>true</skipAddResource>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/add-resource-skip/verify.groovy

@@ -0,0 +1,9 @@
+File file = new File( basedir, "build.log" );
+assert file.exists();
+
+String text = file.getText("utf-8");
+
+assert text.contains("skipAddResource = true");
+assert text.contains("Skipping plugin execution!");
+
+return true;

src/it/add-source-skip/invoker.properties

@@ -0,0 +1,2 @@
+invoker.goals = -X generate-sources
+invoker.buildResult = success

src/it/add-source-skip/pom.xml

@@ -0,0 +1,33 @@
+<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>build-helper</groupId>
+    <artifactId>integration-test</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+                <version>@project.version@</version>
+                <executions>
+                    <execution>
+                        <id>integration-test</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>${project.basedir}/not-existing</source>
+                            </sources>
+                            <skipAddSource>true</skipAddSource>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/add-source-skip/verify.groovy

@@ -0,0 +1,9 @@
+File file = new File( basedir, "build.log" );
+assert file.exists();
+
+String text = file.getText("utf-8");
+
+assert text.contains("skipAddSource = true");
+assert text.contains("Skipping plugin execution!");
+
+return true;

src/it/add-test-resource-skip/invoker.properties

@@ -0,0 +1,2 @@
+invoker.goals = -X generate-sources
+invoker.buildResult = success

src/it/add-test-resource-skip/pom.xml

@@ -0,0 +1,36 @@
+<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>build-helper</groupId>
+    <artifactId>integration-test</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+                <version>@project.version@</version>
+                <executions>
+                    <execution>
+                        <id>integration-test</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-test-resource</goal>
+                        </goals>
+                        <configuration>
+                            <resources>
+                                <resource>
+                                    <directory>${project.basedir}/not-existing</directory>
+                                    <targetPath>does-not-matter</targetPath>
+                                </resource>
+                            </resources>
+                            <skipAddTestResource>true</skipAddTestResource>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/add-test-resource-skip/verify.groovy

@@ -0,0 +1,9 @@
+File file = new File( basedir, "build.log" );
+assert file.exists();
+
+String text = file.getText("utf-8");
+
+assert text.contains("skipAddTestResource = true");
+assert text.contains("Skipping plugin execution!");
+
+return true;

src/it/add-test-source-skip/invoker.properties

@@ -0,0 +1,2 @@
+invoker.goals = -X generate-sources
+invoker.buildResult = success

src/it/add-test-source-skip/pom.xml

@@ -0,0 +1,33 @@
+<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>build-helper</groupId>
+    <artifactId>integration-test</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>@project.groupId@</groupId>
+                <artifactId>@project.artifactId@</artifactId>
+                <version>@project.version@</version>
+                <executions>
+                    <execution>
+                        <id>integration-test</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-test-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>${project.basedir}/not-existing</source>
+                            </sources>
+                            <skipAddTestSource>true</skipAddTestSource>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/it/add-test-source-skip/verify.groovy

@@ -0,0 +1,9 @@
+File file = new File( basedir, "build.log" );
+assert file.exists();
+
+String text = file.getText("utf-8");
+
+assert text.contains("skipAddTestSource = true");
+assert text.contains("Skipping plugin execution!");
+
+return true;

src/main/java/org/codehaus/mojo/buildhelper/AbstractAddResourceMojo.java

@@ -51,6 +51,13 @@ public abstract class AbstractAddResourceMojo extends AbstractMojo {
      * Main plugin execution
      */
     public void execute() {
+        if (isSkip()) {
+            if (getLog().isInfoEnabled()) {
+                getLog().info("Skipping plugin execution!");
+            }
+            return;
+        }
+
         for (Resource resource : resources) {
             // Check for relative paths in the resource configuration.
             // http://maven.apache.org/plugin-developers/common-bugs.html#Resolving_Relative_Paths
@@ -64,6 +71,8 @@ public void execute() {
         }
     }
 
+    protected abstract boolean isSkip();
+
     /**
      * Add the resource to the project.
      *

src/main/java/org/codehaus/mojo/buildhelper/AddResourceMojo.java

@@ -27,6 +27,7 @@
 import org.apache.maven.model.Resource;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
 
 /**
  * Add more resource directories to the POM.
@@ -37,10 +38,22 @@
 @Mojo(name = "add-resource", defaultPhase = LifecyclePhase.GENERATE_RESOURCES, threadSafe = true)
 public class AddResourceMojo extends AbstractAddResourceMojo {
 
+    /**
+     * Skip plugin execution.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addresource.skip", defaultValue = "false")
+    private boolean skipAddResource;
+
     public void addResource(Resource resource) {
         getProject().addResource(resource);
         if (getLog().isDebugEnabled()) {
             getLog().debug("Added resource: " + resource.getDirectory());
         }
     }
+
+    protected boolean isSkip() {
+        return skipAddResource;
+    }
 }

src/main/java/org/codehaus/mojo/buildhelper/AddSourceMojo.java

@@ -54,7 +54,22 @@ public class AddSourceMojo extends AbstractMojo {
     @Parameter(readonly = true, defaultValue = "${project}")
     private MavenProject project;
 
+    /**
+     * Skip plugin execution.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addsource.skip", defaultValue = "false")
+    private boolean skipAddSource;
+
     public void execute() {
+        if (skipAddSource) {
+            if (getLog().isInfoEnabled()) {
+                getLog().info("Skipping plugin execution!");
+            }
+            return;
+        }
+
         for (File source : sources) {
             this.project.addCompileSourceRoot(source.getAbsolutePath());
             if (getLog().isInfoEnabled()) {

src/main/java/org/codehaus/mojo/buildhelper/AddTestResourceMojo.java

@@ -27,6 +27,7 @@
 import org.apache.maven.model.Resource;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
 
 /**
  * Add more test resource directories to the POM.
@@ -37,6 +38,14 @@
 @Mojo(name = "add-test-resource", defaultPhase = LifecyclePhase.GENERATE_TEST_RESOURCES, threadSafe = true)
 public class AddTestResourceMojo extends AbstractAddResourceMojo {
 
+    /**
+     * Skip plugin execution.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addtestresource.skip", defaultValue = "false")
+    private boolean skipAddTestResource;
+
     /**
      * Add the resource to the project.
      *
@@ -48,4 +57,9 @@ public void addResource(Resource resource) {
             getLog().debug("Added test resource: " + resource.getDirectory());
         }
     }
+
+    @Override
+    protected boolean isSkip() {
+        return skipAddTestResource;
+    }
 }

src/main/java/org/codehaus/mojo/buildhelper/AddTestSourceMojo.java

@@ -54,7 +54,22 @@ public class AddTestSourceMojo extends AbstractMojo {
     @Parameter(readonly = true, defaultValue = "${project}")
     private MavenProject project;
 
+    /**
+     * Skip plugin execution.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addtestsource.skip", defaultValue = "false")
+    private boolean skipAddTestSource;
+
     public void execute() {
+        if (skipAddTestSource) {
+            if (getLog().isInfoEnabled()) {
+                getLog().info("Skipping plugin execution!");
+            }
+            return;
+        }
+
         for (File source : sources) {
             this.project.addTestCompileSourceRoot(source.getAbsolutePath());
             if (getLog().isInfoEnabled()) {