[jira] Commented: (MNG-830) review plugins use of expression and change to default-value/component where appropriate

["Brett Porter (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MNG-830?page=comments#action_48329 ] 

Brett Porter commented on MNG-830:
----------------------------------

applied patch

> review plugins use of expression and change to default-value/component where appropriate
> ----------------------------------------------------------------------------------------
>
>          Key: MNG-830
>          URL: http://jira.codehaus.org/browse/MNG-830
>      Project: Maven 2
>         Type: Improvement
>   Components: maven-plugins
>     Reporter: Brett Porter
>     Assignee: allan ramirez
>      Fix For: 2.0-beta-4
>  Attachments: MNG-830.patch
>
> Original Estimate: 2 hours
>        Time Spent: 2 hours, 20 minutes
>         Remaining: 0 minutes
>
> we also need a good explanation written down of the difference.
> * default-value is used when expression is null
> * expression is intended to be used to get the user's override, eg from a system property
> Perhaps if we could cover that other use case differently (eg by a standard system property mechanism that went [plugin-prefix.goal.configuration]), we could eliminate expression altogether in a future version of Maven.

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