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http://jira.codehaus.org/browse/MECLIPSE-334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_115184
 ] 

Martin Zeltner commented on MECLIPSE-334:
-----------------------------------------

Example:

Directory structure:

mymodules/
    a/
    b/
    c/

* a, b and c are subdirs of dir mymodules
* mymodules contains a pom.xml that has a, b and c as modules
* a, b and c contain also a pom.xml
* c depends on b depends on a

I'd like to have a, b and c in one workspace:

* cd mymodules
* mvn eclipse:eclipse

a, b and c are now in the workspace. I change a dependency in pom.xml c so I 
have to execute the following:

* cd mymodules/c
* mvn eclipse:clean eclipse:eclipse

I go back to my workspace and refresh project c (F5). Without my new feature 
the project c in Eclipse has now NO MORE dependent on a and b (direct link to 
local repo). To solve this issue with the current eclipse plugin I have to 
recreate the Eclipse project for a, b and c like at the beginning.

* cd mymodules
* mvn eclipse:clean eclipse:eclipse


> Add a rule that determined artifacts will be always recognized as reactor 
> projects
> ----------------------------------------------------------------------------------
>
>                 Key: MECLIPSE-334
>                 URL: http://jira.codehaus.org/browse/MECLIPSE-334
>             Project: Maven 2.x Eclipse Plugin
>          Issue Type: New Feature
>    Affects Versions: 2.4
>            Reporter: Martin Zeltner
>         Attachments: patch_maven-eclipse-plugin-r587020.patch
>
>   Original Estimate: 10 minutes
>  Remaining Estimate: 10 minutes
>
> I've implemented a feature that determined artifacts will be always 
> recognized as reactor projects, doesn't matter where the "mvn 
> eclipse:eclipse" is executed. The idea is to set a list of groupId prefixes. 
> Example:
> [code]
>             <plugin>
>                 <groupId>org.apache.maven.plugins</groupId>
>                 <artifactId>maven-eclipse-plugin</artifactId>
>                 <configuration>
>                     <reactorProjectGroupIdPrefixes>
>                         ch.elca.,
>                         org.sp,
>                         net.sf
>                     </reactorProjectGroupIdPrefixes>
>                 </configuration>
>             </plugin>
> [/code]
> All artifacts where the groupId starts with "ch.elca.", "org.sp" or "net.sf" 
> will be handled as reactor projects.
> Cheers,
> Martin

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