Re: [gentoo-soc] [GSoC] Maven integration for Gentoo ebuilds

[Kasun Gajasinghe <kasunbg@gmail.com>]

Hi all,
I've submitted my proposal of "Apache Maven Integration for Gentoo
EBuilds Update" at [1]. Much appreciate if you all can go through and
let me know if there's any changes needed.

[1] http://socghop.appspot.com/gsoc/proposal/review/google/gsoc2011/kasun_gajasinghe/1


Thanks,
Kasun


On Wed, Mar 30, 2011 at 10:41 AM, Kasun Gajasinghe <kasunbg@gmail.com> wrote:
> On Tue, Mar 29, 2011 at 8:41 PM, Kasun Gajasinghe <kasunbg@gmail.com> wrote:
>>
>>
>> On 29 Mar 2011, at 09:37, Serkan Kaba <serkan@gentoo.org> wrote:
>>
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>>> On 29-03-2011 06:47, Kasun Gajasinghe wrote:
>>>>
>>>> I'd like to know how the dependencies will be handled by maven based
>>>> ebuilds. Can you let me know the difference between dependencies
>>>> specified in Maven's POM file, and ebuild's dependencies? Are both
>>>> should be same? Since, Maven's POM contains the unique artifacts IDs
>>>> (with the combination of groupId, artifactId, version) which points to
>>>> a _binary_ jar, how should the developers who write _ebuilds_ specify
>>>> it? I got to know that dependencies are also ebuilds under gentoo i.e.
>>>> no binaries.
>>>
>>> POM dependencies can be too restrictive sometimes, like depending on a
>>> specific version. We should be depending on any version (or sometimes
>>> with >=,<=) as long as the package compiles and runs fine with it.
>>
>> I've come across a package called JPackage which does the job of retrieving
>> a jar from /usr/share/java and return it to use by maven. It neglects the
>> version numbers as well.
>>
>>
>>>> I've been going through the Ralph's (nick: sera ) suggested eclass
>>>> [1]. It turned out to be very useful. (sera, I got your name from [1],
>>>> hope it's correct! :) ). Because maven offline building is the biggest
>>>> issue Gentoo is currently facing, As Petteri suggested, I've been
>>>> going through to see how other distributions handle this. I see that
>>>> both in sera's eclass and in Debian's MavenRepoSpec [2], that they
>>>> specify a variable which points to a maven local-repository location.
>>>> Ralph's eclass specified MAVEN_REPO_DIR="${T}/maven-repo/" while
>>>> Debian has REPO=/usr/share/maven-repo. Since the file-system will be
>>>> read-only for ebuilds, and ebuilds should be built offline, what's the
>>>> purpose of this?
>>>
>>> We then still need to add symlinks to jars during build time in there
>>> which is an "access violation" in sand box
>>
>> Ok. Then the viable option is to have to generate the maven directory
>> structure inside a folder named ${T}/maven-repo. We can do the symlinking
>> through that, and we won't face any access violation since the writing
>> happens in the sandbox.
>> Ubuntu too have proposed a similar solution. I'm away from my machine, I'll
>> provide the links to it as well as for the JPackage soon if it you all may
>> want to check it out!
>
> For the JPackage see [1]. [1] doesn't give a formatted output though.
> Properly formatted version is to [2]
> Ubuntu's maven support specification is at [3].
>
> I've started writing a proposal. I'll upload it to melange, when it
> comes to a good state.
>
> [1] http://www.jpackage.org/cgi-bin/viewvc.cgi/jpackage/src/jpackage-utils/doc/jpackage-1.5-policy.xhtml?revision=1.2&view=markup
> [2] http://dl.dropbox.com/u/4783109/gentoo-maven-integration/read/%5Bjpackage%5D%20Contents%20of%20%20src%20jpackage-utils%20doc%20jpackage-1.5-policy.html
>
> [3] https://wiki.ubuntu.com/JavaTeam/Specs/MavenSupportSpec
>
> Thanks,
> --Kasun
>
>>
>> Thanks,
>> Kasun
>>
>>>
>>> - --
>>> Sincerely,
>>> Serkan KABA
>>> Gentoo Developer
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>>
>>
>
>
>
> --
> ~~~*******'''''''''''''*******~~~
> Kasun Gajasinghe,
> University of Moratuwa,
> Sri Lanka.
> Blog: http://kasunbg.blogspot.com
> Twitter: http://twitter.com/kasunbg
>



-- 
~~~*******'''''''''''''*******~~~
Kasun Gajasinghe,
University of Moratuwa,
Sri Lanka.
Blog: http://kasunbg.blogspot.com
Twitter: http://twitter.com/kasunbg