[jira] Commented: (MNG-3807) Maven is not interpolatin Properties at plugin configuration

["John Casey (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MNG-3807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=152198#action_152198 ] 

John Casey commented on MNG-3807:
---------------------------------

This is related to the version of the plexus container we're using in maven. With more recent versions, the PropertiesConverter (used to convert XML to a Properties instance for plugin parameter injection) does evaluate embedded expressions. However, as of 1.0-alpha-9 of the plexus container, this new code was not in place.

It seems we have two options for fixing this:

1. create a maintenance branch based on plexus 1.0-alpha-9 and fix the PropertiesConverter there, then release a new revision for use in maven
2. move maven onto a more recent plexus version, which will entail quite a bit of work since the component model has changed in important ways since alpha-9.

My personal opinion is that #2 is preferable if it's reasonably easy to do (not sure on this). This would modernize Maven WRT the plexus container, and enable us to track a little more closely with the progress in plexus in future. However, we could fix the PropertiesConverter itself very quickly, making #1 a much more expedient option.

> Maven is not interpolatin Properties at plugin configuration
> ------------------------------------------------------------
>
>                 Key: MNG-3807
>                 URL: http://jira.codehaus.org/browse/MNG-3807
>             Project: Maven 2
>          Issue Type: Bug
>          Components: Inheritance and Interpolation
>    Affects Versions: 2.0.9, 2.1.0-M1
>            Reporter: Marvin Froeder
>             Fix For: 2.1.0-M2
>
>
> My plugin has a configuration like this:
> {noformat} 
>     /**
>      * My Properties.
>      *
>      * @parameter
>      */
>     private Properties myProperties;
> {noformat} 
> When I configure like this:
> {noformat} 
> <myProperties>
>   <property>
>     <name>propertyName1</name>
>     <value>${buildnumber}</value> <!-- property injected on maven properties by  http://mojo.codehaus.org/buildnumber-maven-plugin/ -->
>   <property>
> </myProperties>
> {noformat} 
> Maven doesn't interpolate the buildnumber.  But the value is available at project.getProperties().

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