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From Jörg Hohwiller (JIRA) <j...@codehaus.org>
Subject [jira] Commented: (MNG-624) automatic parent versioning
Date Wed, 10 Nov 2010 08:21:05 GMT

    [ http://jira.codehaus.org/browse/MNG-624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=242640#action_242640
] 

Jörg Hohwiller commented on MNG-624:
------------------------------------

@Jochen:
Thanks for your suggestion but this will not help me. I know profiles very well. 
I could also directly hack all the module-versions as properties in the toplevel POM without
any profiles.
Then I would need MNG-2971 to be resolved.
The problem is that I do not want to release all parent POMs if a child shall be released.
All I want is that I can update the version of a child in one single place instead of also
spreading this
version-string all over my pom.xml files. I maintain various projects with maven that have
50-100 pom.xml
files.
See also MNG-4161

> automatic parent versioning
> ---------------------------
>
>                 Key: MNG-624
>                 URL: http://jira.codehaus.org/browse/MNG-624
>             Project: Maven 2 & 3
>          Issue Type: Improvement
>          Components: Inheritance and Interpolation
>            Reporter: Brett Porter
>            Assignee: Ralph Goers
>            Priority: Blocker
>             Fix For: 3.1
>
>         Attachments: MNG-624-maven-2.0.x-r507648.patch, MNG-624-tests.tar.gz
>
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
>
> (this may be bumped to 2.1 or even made WON't FIX as it is contentious - see MNG-521)
> currently, you have to specify the parent version when extending which makes a project
stand alone very easily, but has the drawback of being a maintainance problem when you start
development on a new version. Tools can help, but it would be nice not to have to rely on
them.
> One alternative is to allow the parent version to be omitted, and when it is it is assumed
you want the latest. The parent is used from the reactor or the universal source directory.
IT may also be read from a LATEST in the repository though this is contentious - it may be
better to simply fail in that environment and require builds be in a known checkout structure
for building individual projects.
> This also introduces the need for tool support to populate the version on release and
deployment for reproducibility.

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