Allows to set a name for the Script Command

Closes gh-773

Author: rainboyan

grace-shell/src/main/groovy/org/grails/cli/profile/commands/script/GroovyScriptCommand.groovy

@@ -93,6 +93,15 @@ abstract class GroovyScriptCommand extends Script implements ProfileCommand, Pro
      */
     String grailsVersion = getClass().getPackage()?.getImplementationVersion()
 
+    /**
+     * Provides a name for the command
+     *
+     * @param name The name of the command
+     */
+    void name(String name) {
+        // ignore, just a stub for documentation purposes, populated by CommandScriptTransform
+    }
+
     /**
      * Provides a namespace for the command
      *

grace-shell/src/main/groovy/org/grails/cli/profile/commands/script/GroovyScriptCommandTransform.groovy

@@ -133,6 +133,11 @@ class GroovyScriptCommandTransform implements ASTTransformation {
                     constructorBody.addStatement(new ExpressionStatement(assignDescription))
                 }
             }
+            else if (call.methodAsString == 'name') {
+                MethodCallExpression setName = new MethodCallExpression(
+                        new VariableExpression('this'), 'setName', call.arguments)
+                constructorBody.addStatement(new ExpressionStatement(setName))
+            }
             else if (call.methodAsString == 'namespace') {
                 MethodCallExpression setNamespace = new MethodCallExpression(
                         new VariableExpression('this'), 'setNamespace', call.arguments)