interesting! Thanks Ian,

so it turns out that
http://download.eclipse.org/technology/subversive/0.7/update-site/ has both
the repo metadata and site.xml! I copied that dir to local http server, but
mirroring from here mirror works fine - creates no "artifact.reference"
properties.



On Tue, Dec 21, 2010 at 6:05 PM, Ian Bull <[email protected]> wrote:

> IIRC, artifact.references (along with something called partial IUs) happen
> when you reference an update site. In these case, the site.xml doesn't have
> enough information to give us the full IUs, so we create partial ones
> instead (and when the full one is needed, we do a full download of the
> artifact and parse the feature.xml).
>
> When you mirror, these references (which look like update sites), are
> likely being mirrored too.
>
> cheers,
> ian
>
>
> 2010/12/21 Jacek Pospychała <[email protected]>
>
> thanks Ian,
>> I looked into metadata again and now I think I see the reason. Earlier I
>> was looking into artifacts.xml only, assuming that mirroring is as simple as
>> artifacts.xml->artifacts.xml and content.xml->content.xml. But it turns out
>> that there's something unusual in content.xml affects that affects my
>> artifacts.xml. SVN's repo content.xml contains this:
>>
>>   <references size='4'>
>>     <repository uri='
>> http://download.eclipse.org/technology/subversive/0.7/update-site/' url='
>> http://download.eclipse.org/technology/subversive/0.7/update-site/'
>> type='0' options='0'/>
>>     <repository uri='
>> http://download.eclipse.org/tools/gef/updates/releases' url='
>> http://download.eclipse.org/tools/gef/updates/releases' type='1'
>> options='1'/>
>>     <repository uri='
>> http://download.eclipse.org/tools/gef/updates/releases' url='
>> http://download.eclipse.org/tools/gef/updates/releases' type='0'
>> options='1'/>
>>     <repository uri='
>> http://download.eclipse.org/technology/subversive/0.7/update-site/' url='
>> http://download.eclipse.org/technology/subversive/0.7/update-site/'
>> type='1' options='0'/>
>>   </references>
>>
>> I don't see this in another repositories, so I guess this forces creation
>> of absolute references, yes?
>>
>>
>> What's the use case for having this references entry in repository's
>> content.xml?
>> I'm going to ask SVN team to remove it so I'd like to know what exactly
>> they'll loose :-)
>>
>>
>>
>>
>> On Tue, Dec 21, 2010 at 7:22 AM, Ian Bull <[email protected]>wrote:
>>
>>> This come from using 'raw' artifact descriptors.  Essentially you are
>>> using the exact same artifact descriptor as the one in the source repo, and
>>> those happened to specify artifact.references.
>>>
>>> HTH
>>> Ian
>>> On 2010-12-06 1:09 AM, "Jacek Pospychała" <[email protected]>
>>> wrote:
>>> > Anyone know where 'artifact.reference' property usually comes from in
>>> > metadata?
>>> > And is it really possible that it caused p2.director to download using
>>> that
>>> > link?
>>> >
>>> >
>>> > I looked at svn repository artifacts.jar, but it looks very usual. I
>>> also
>>> > looked into one of plugin jars, hoping that there's some p2.inf file,
>>> but
>>> > didn't found anything like this. I believe that my environment wasn't
>>> > changing recently, and only part that has changed was their repo...
>>> >
>>> >
>>> > 2010/12/3 Jacek Pospychała <[email protected]>
>>> >
>>> >> hi,
>>> >> I'm mirroring some repository using ant mirror task. But recently,
>>> instead
>>> >> of a local copy, I started getting "artifact.reference" entries in my
>>> mirror
>>> >> metadata. Like this:
>>> >>
>>> >> <artifact classifier='osgi.bundle' id='org.eclipse.team.svn.help'
>>> >> version='0.7.9.I20101203-1700'>
>>> >> <properties size='1'>
>>> >> <property name='download.size' value='2974696'/>
>>> >> </properties>
>>> >> <repositoryProperties size='1'>
>>> >> <property name='artifact.reference' value='
>>> >>
>>> http://download.eclipse.org/technology/subversive/0.7/update-site/plugins/org.eclipse.team.svn.help_0.7.9.I20101203-1700.jar'/
>>> >> >
>>> >> </repositoryProperties>
>>> >> </artifact>
>>> >>
>>> >> My local mirror is required to speedup the builds, but due to the
>>> >> references in metadata, artifacts are downloaded from orig.
>>> repository.
>>> >>
>>> >> My ant task call looks like this:
>>> >>
>>> >> <p2.mirror>
>>> >>
>>> >> <repository location="${localRepo}" append="true" />
>>> >>
>>> >> <source>
>>> >>
>>> >> <repository location="
>>> >> http://download.eclipse.org/technology/subversive/0.7/update-site/";
>>> />
>>> >>
>>> >> <repository location="
>>> >>
>>> http://community.polarion.com/projects/subversive/download/eclipse/2.0/update-site/
>>> >> " />
>>> >>
>>> >> </source>
>>> >>
>>> >> <iu id="org.eclipse.team.svn.feature.group" version=""/>
>>> >>
>>> >> <iu id="org.eclipse.team.svn.mylyn.feature.group" version=""/>
>>> >>
>>> >> <iu id="org.polarion.eclipse.team.svn.connector.feature.group"
>>> version=""
>>> >> />
>>> >>
>>> >> <iu
>>> id="org.polarion.eclipse.team.svn.connector.svnkit15.feature.group"
>>> >> version=""/>
>>> >>
>>> >> <iu
>>> id="org.polarion.eclipse.team.svn.connector.svnkit16.feature.group"
>>> >> version=""/>
>>> >>
>>> >> </p2.mirror>
>>> >>
>>> >>
>>> >> This happens only for the SVN repo (
>>> >> http://download.eclipse.org/technology/subversive/0.7/update-site).
>>> Using
>>> >> the same process several other repos are being mirrored, but with no
>>> such
>>> >> "artifact.reference" things.
>>> >>
>>> >>
>>> >> Could someone explain where does this "artifact.reference" come from
>>> and
>>> >> how to get rid of it?
>>> >>
>>> >>
>>> >>
>>> >> Jacek
>>> >>
>>> >>
>>>
>>> _______________________________________________
>>> p2-dev mailing list
>>> [email protected]
>>> https://dev.eclipse.org/mailman/listinfo/p2-dev
>>>
>>>
>>
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>
>
> --
> R. Ian Bull | EclipseSource Victoria | +1 250 477 7484
> http://eclipsesource.com | http://twitter.com/eclipsesource
>
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