PR: MNG-1666

Submitted By: John Casey

Fixed escaped expression handling in the plugin parameter expression evaluator. '$$' was not being replaced by '$' correctly.


git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@348489 13f79535-47bb-0310-9956-ffa450edef68

maven-core/src/main/java/org/apache/maven/plugin/PluginParameterExpressionEvaluator.java

@@ -142,7 +142,14 @@ public class PluginParameterExpressionEvaluator
             }
 
             // Was not an expression
-            return expression.replaceAll( "\\$\\$", "$" );
+            if ( expression.indexOf( "$$" ) > -1 )
+            {
+                return expression.replaceAll( "\\$\\$", "\\$" );
+            }
+            else
+            {
+                return expression;
+            }
         }
 
         MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();