On Tue, Aug 28, 2012 at 3:18 PM, Vincent Massol <[email protected]> wrote:
>
> On Aug 28, 2012, at 2:50 PM, Thomas Mortagne <[email protected]> 
> wrote:
>
>> On Tue, Aug 28, 2012 at 1:37 PM, Vincent Massol <[email protected]> wrote:
>>>
>>> On Aug 28, 2012, at 1:15 PM, Thomas Mortagne <[email protected]> 
>>> wrote:
>>>
>>>> Hi guys,
>>>>
>>>> I would like to modify a bit the Maven XAR plugin to add in the
>>>> package.xml some extension related informations like the extension id
>>>> and version at the very least.
>>>
>>> Why not package the pom.xml instead in META-INF/maven/* as it's done by the 
>>> Maven JAR plugin?
>>
>> Because it's not supposed as part of XAR format by existing XAR
>> parser, you will get an error because it will fail to parse it as a
>> document. The proposal here is to use something that already exists,
>> does not break anything and is very easy to do.
>
> I personally much prefer to add META-INF support over changing the 
> package.xml format because it's much better aligned with all other formats 
> like JAR, EAR, WAR, etc and with the way we handle JAR extensions.

I think you don't understand what I mean here. The issue is not that
it's complex to support it, adding support in 4.2 for META-INF will
not change the fact that you will get an error in older version with
your XAR.

>
> It doesn't look complex to add either, it's a matter of excluding META-INF 
> files from the parser and to use the Maven Archiver (see 
> http://maven.apache.org/shared/maven-archiver/).
>
> Thanks
> -Vincent
>
>>> It would be more generic and similar to how JARs are handled.
>>>
>>> Thanks
>>> -Vincent
>>>
>>>> The idea is to be able to know what a XAR is exactly like we have the
>>>> pom.xml packaged with the jar file for example.
>>>>
>>>> Among other things it will cover the following use cases:
>>>> * when someone import a XAR with the standard UI, automatically
>>>> register it in the extension index if it happen to be an extension
>>>> (i.e. if we find extension informations in its package.xml)
>>>> * wiki manager and workspaces can properly register actual extension
>>>> when creating their default template from a XAR the first time (this
>>>> is for example required to be able to upgrade a farm with EM where
>>>> pretty much all the wiki as been created from this default template)
>>>>
>>>> In both cases the idea is to support as much current behaviours as we
>>>> can and still be able to use the full power of Extension Manager.
>>>>
>>>> There should not be any backward compatibility issue here since it
>>>> does not really change anything in the XAR structure.
>>>>
>>>> WDYT ?
>>>>
>>>> Here is my +1
>
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-- 
Thomas Mortagne
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