[jira] Commented: (HBASE-2394) Use top-level Apache pom for shared configuration

["Lars Francke (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-2394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853170#action_12853170 ] 

Lars Francke commented on HBASE-2394:
-------------------------------------

I won't yet assign this to me as I'm not done and I don't know if I'll have the time to finish it.

But I've looked into it and it seems to allow us to slim down our pom considerably. There are a few more things that need to be done on the pom but that can be done in another issue.

The Apache POM automatically pulls in a NOTICE,  LICENSE and DEPENDENCIES file with the help of the [maven-remote-resources-plugin|http://maven.apache.org/plugins/maven-remote-resources-plugin/] and the [apache-jar-resource-bundle|http://github.com/apache/maven-resources/tree/trunk/apache-jar-resource-bundle/] so those files can probably be removed to avoid duplication.

It also provides an [assembly descriptor|http://svn.apache.org/viewvc/maven/resources/tags/apache-source-release-assembly-descriptor-1.0.2/] but I believe that only builds a source assembly and not a "final tarball" as we currently need it.

That can be tested by running: {{mvn -Papache-release package}}. There are som [instructions|http://www.mail-archive.com/announce@maven.apache.org/msg00287.html] on how to use the assembly plugin with the parent pom.

The pom also provides the option to sign the jars which we somehow forgot so far :)

As far as I can tell my modified pom builds a working final tarball so it shouldn't be that much work to finish it.


> Use top-level Apache pom for shared configuration
> -------------------------------------------------
>
>                 Key: HBASE-2394
>                 URL: https://issues.apache.org/jira/browse/HBASE-2394
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.21.0
>            Reporter: Paul Smith
>            Priority: Minor
>
> Lars Francke suggested this one to me offline and I think it's an excellent idea, so just raising it here for posterity.
> see https://repository.apache.org/content/repositories/releases/org/apache/apache/7/apache-7.pom
> If we changed the HBase top-level pom to have a parent of the ASF one we can share some configuration love here, take advantage of 'known good' plugins, slim down the HBase pom definition even more (I love removing code, it's my favourite task) and abide by standard Apache release artifact signing and packaging processes.
> this _should_ be simple.  Lars or I will work up a patch when one of us has some time.  
> (nice thinking Lars!)

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