[Yanel-dev] dependency management
Michael Wechner
michael.wechner at wyona.com
Tue Jul 24 11:19:15 CEST 2007
Josias Thöny wrote:
> Michael Wechner wrote:
>
>> Hi
>>
>> Josias has recently improved the reusability by introducing an
>> XMLBasicResource located within the yanel-impl lib
>>
>> (also see
>> http://bugzilla.wyona.com/cgi-bin/bugzilla/show_bug.cgi?id=5426)
>>
>> which is great.
>>
>> But the questions arises when shall we put this kind of stuff into
>> the "core" and when shall we use resource libs distributed by Maven
>> as for instance is already the case for
>>
>> /home/michi/.m2/repository/wyona-org-yanel/yanel-resource-find-update:
>> 1.0-dev-r25709 maven-metadata-local.xml
>>
>> /home/michi/.m2/repository/wyona-org-yanel/yanel-resource-wiki:
>> 1.0-dev-r25843 maven-metadata-local.xml
>>
>> /home/michi/.m2/repository/wyona-org-yanel/yanel-resource-xml:
>> 1.0-dev-r2536
>>
>>
>> I think it's important that we have some guidelines, otherwise I am
>> afraid that we will start spread it all over the place without
>> general pattern.
>>
>> WDYT?
>
>
> I think it's a good idea to put that stuff into resources if possible,
> it's just a bit tedious to create and maintain the jar file.
> After every change one has to update the version, create a new jar
> file, upload it to the server, create the checksum files, and update
> the dependencies. It's a lot of work...
>
> I'm not sure how to simplify this process.
> The maven ant lib provides the "deploy" task which should upload the
> jar file to the remote repository, but somehow I never got this to work.
> Did anybody else try the deploy task?
no, but it would probably make sense to give it another try
>
>>
>> Also we still have the problem that various versions of the same lib
>> can be referenced and can find its way into the build. For instance I
>> have just cleaned the dependency of the wyona-commons lib, but this
>> will always happen and it would be nice if the build process would
>> output a WARNING in such cases. Any ideas how this could be
>> accomplised are very welcome.
>
>
> Actually if multiple versions of an artifact are referenced in a
> project, maven is supposed to use only one version (see also [1]).
> I guess the problem with our build is that the resources have their
> own build process, so the core build process doesn't know the
> dependencies of the resources.
> Maybe the build process of the resources should not copy the
> dependencies to the build dir, but provide a pom file with transitive
> dependencies which the core build process can use.
> WDYT?
sounds good to me, whereas I am not sure if it really is that simple,
but we should definitely give it a try as well.
Cheers
Michi
>
> Josias
>
> [1]
> http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html
>
>
>>
>> Cheers
>>
>> Michi
>>
>
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--
Michael Wechner
Wyona - Open Source Content Management - Yanel, Yulup
http://www.wyona.com
michael.wechner at wyona.com, michi at apache.org
+41 44 272 91 61
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