[MSHARED-1008] Set builder id in proper way

src/main/java/org/apache/maven/shared/invoker/InvocationRequest.java

@@ -717,11 +717,11 @@ enum CheckSumPolicy
     InvocationRequest setResumeFrom( String resumeFrom );
 
     /**
-     * The id of the build strategy to use. equivalent of {@code --builder id}. <b>Note. This is available since Maven
-     * 3.2.1</b>
+     * The id of the build strategy to use. equivalent of {@code -b id} or {@code --builder id}.
+     * <b>Note. This is available since Maven 3.2.1</b>
      *
      * @param id The builder id.
-     * @return {@link InvocationRequest} FIXME: How to identify if this is a valid command line option?
+     * @return {@link InvocationRequest}
      * @since 3.0.0
      */
     InvocationRequest setBuilder( String id );

src/main/java/org/apache/maven/shared/invoker/MavenCommandLineBuilder.java

@@ -573,6 +573,7 @@ else if ( CheckSumPolicy.Warn.equals( checksumPolicy ) )
 
         if ( request.getBuilder() != null )
         {
+            cli.createArg().setValue( "-b" );
             cli.createArg().setValue( request.getBuilder() );
         }
 

src/test/java/org/apache/maven/shared/invoker/MavenCommandLineBuilderTest.java

@@ -345,6 +345,14 @@ public void testDebugOptionShouldMaskShowErrorsOption()
         assertArgumentsNotPresent( cli, Collections.singleton( "-e" ) );
     }
 
+    @Test
+    public void testShouldSetBuilderIdOptionsFromRequest()
+    {
+        mclb.setFlags( newRequest().setBuilder( "builder-id-123" ), cli );
+
+        assertArgumentsPresentInOrder( cli, "-b", "builder-id-123" );
+    }
+
     @Test
     public void testAlsoMake()
     {