[MINVOKER-269] Execute forked Maven in quiet mode

src/main/java/org/apache/maven/plugins/invoker/AbstractInvokerMojo.java

@@ -342,6 +342,14 @@ public abstract class AbstractInvokerMojo
     @Parameter( property = "invoker.debug", defaultValue = "false" )
     private boolean debug;
 
+    /**
+     * Whether to execute Maven in quiet mode.
+     *
+     * @since 3.3.0
+     */
+    @Parameter( property = "invoker.quiet", defaultValue = "false" )
+    private boolean quiet;
+
     /**
      * Suppress logging to the <code>build.log</code> file.
      *
@@ -561,6 +569,11 @@ public abstract class AbstractInvokerMojo
      * # can be indexed
      * invoker.debug = true
      *
+     * # Whether to execute Maven in quiet mode
+     * # Since plugin version 3.3.0
+     * # can be indexed
+     * invoker.quiet = true
+     *
      * The execution timeout in seconds.
      * # Since plugin version 3.0.2
      * # can be indexed
@@ -2660,6 +2673,7 @@ private InvokerProperties getInvokerProperties( final File projectDirectory, Pro
 
         // set default value for Invoker - it will be used if not present in properties
         invokerProperties.setDefaultDebug( debug );
+        invokerProperties.setDefaultQuiet( quiet );
         invokerProperties.setDefaultGoals( goals );
         invokerProperties.setDefaultProfiles( profiles );
         invokerProperties.setDefaultMavenExecutable( mavenExecutable );

src/main/java/org/apache/maven/plugins/invoker/InvokerProperties.java

@@ -49,6 +49,7 @@ class InvokerProperties
 
     // default values from Mojo configuration
     private Boolean defaultDebug;
+    private Boolean defaultQuiet;
     private List<String> defaultGoals;
     private List<String> defaultProfiles;
     private String defaultMavenOpts;
@@ -69,6 +70,7 @@ private enum InvocationProperty
         OFFLINE( "invoker.offline" ),
         SYSTEM_PROPERTIES_FILE( "invoker.systemPropertiesFile" ),
         DEBUG( "invoker.debug" ),
+        QUIET( "invoker.quiet" ),
         SETTINGS_FILE( "invoker.settingsFile" ),
         TIMEOUT_IN_SECONDS( "invoker.timeoutInSeconds" );
 
@@ -131,6 +133,15 @@ public void setDefaultDebug( boolean defaultDebug )
         this.defaultDebug = defaultDebug;
     }
 
+    /**
+     * Default value for quiet
+     * @param defaultQuiet a default value
+     */
+    public void setDefaultQuiet( boolean defaultQuiet )
+    {
+        this.defaultQuiet = defaultQuiet;
+    }
+
     /**
      * Default value for goals
      * @param defaultGoals a default value
@@ -457,6 +468,10 @@ public void configureInvocation( InvocationRequest request, int index )
             .map( Boolean::parseBoolean )
             .orElse( defaultDebug ) );
 
+        setIfNotNull( request::setQuiet, get( InvocationProperty.QUIET, index )
+            .map( Boolean::parseBoolean )
+            .orElse( defaultQuiet ) );
+
         setIfNotNull( request::setTimeoutInSeconds, get( InvocationProperty.TIMEOUT_IN_SECONDS, index )
             .map( Integer::parseInt )
             .orElse( defaultTimeoutInSeconds ) );

src/test/java/org/apache/maven/plugins/invoker/InvokerPropertiesTest.java

@@ -363,6 +363,38 @@ public void testConfigureRequestDebug()
         clearInvocations( request );
     }
 
+    @Test
+    public void testConfigureRequestQuiet()
+    {
+        Properties props = new Properties();
+        InvokerProperties facade = new InvokerProperties( props );
+
+        props.setProperty( "invoker.quiet", "true" );
+        facade.configureInvocation( request, 0 );
+        verify( request ).setQuiet( true );
+        verifyNoMoreInteractions( request );
+        clearInvocations( request );
+
+        props.setProperty( "invoker.quiet", "false" );
+        facade.configureInvocation( request, 0 );
+        verify( request ).setQuiet( false );
+        verifyNoMoreInteractions( request );
+
+        props.clear();
+
+        facade.setDefaultQuiet( true );
+        facade.configureInvocation( request, 0 );
+        verify( request ).setQuiet( true );
+        verifyNoMoreInteractions( request );
+        clearInvocations( request );
+
+        facade.setDefaultQuiet( false );
+        facade.configureInvocation( request, 0 );
+        verify( request ).setQuiet( false );
+        verifyNoMoreInteractions( request );
+        clearInvocations( request );
+    }
+
     @Test
     public void testConfigureRequestTimeoutInSeconds()
     {