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From Hans Dockter <m...@dockter.biz>
Subject Re: How to retrieve updated snapshot builds from a Maven repo?
Date Sun, 11 Jan 2009 11:16:11 GMT

On Jan 11, 2009, at 11:37 AM, Hans Dockter wrote:

>
> On Jan 9, 2009, at 4:31 PM, Les Hazlewood wrote:
>
>> Hi all,
>>
>> I noticed that this same question was posted a few days ago
>> (http://markmail.org/message/qjdf2hyjepiuktch), but no one responded
>> to it.  I'm hoping to bump this up as I really need this  
>> functionality
>> as well.
>>
>> I'm seeing the same problems as Allan:
>>
>> I have Project A that builds and publishes its artifacts to a Maven
>> repo (Nexus to be exact).  Project B, built by Ant+Ivy, requires
>> projectA-revision-SNAPSHOT.jar in order to function correctly.  We're
>> using Continuous Integration builds and we must ensure that Project B
>> always builds based on the latest push of Project A's jar to ensure
>> consistent API usage.
>>
>> However, Project B's ant+ivy build is NOT pulling the latest  
>> project A
>> -SNAPSHOT .jar after it changes in the Nexus repository.  My config  
>> is
>> practically identical to the one Allan posted in his thread.
>>
>> Can someone please definitively answer how to accomplish this?  I've
>> done what is required according to the end-user documentation and
>> Allan's thread, but it isn't working.
>>
>> A simple 'no, this doesn't work in Ivy yet' would suffice as well.
>> I'd just like to know why I (and Allan) and I'm assuming other people
>> can't get this to work :/
>
> Fortunately it does work with Ivy. But AFAICT you _have_ to use the  
> IBiblioResolver. Maven snapshots need special treatment. The normal  
> Ivy 'changing' mechanism can't be applied here, as in the remote  
> repository there are only more and more new timestamped versions of  
> the artifact. There is no artifact changing, with a revision called  
> 'SNAPSHOT'. Only the IBiblioResolver knows how to deal with this.

BTW: The IBiblioResolver also parses the metadata.xml of the Maven  
snapshot folder, to figure out what to do.

- Hans

>
>
> - Hans
>
>>
>>
>> Thanks!
>>
>> Les
>>
>> P.S.  Here is the relevant Ivy config (changed to match what Allan  
>> had):
>>
>> <ivysettings>
>>   <resolvers>
>>       <url name="snapshots" m2compatible="true" changingPattern=".*- 
>> SNAPSHOT">
>>           <artifact
>> pattern="${artifact.repository.url}/snapshots/[organisation]/ 
>> [module]/[revision]/[artifact]-[revision].[ext]"/>
>>       </url>
>>   </resolvers>
>> </ivysettings>
>>
>> where artifact.repository.url equals
>> http://someHost:8080/nexus/content/repositories
>
> --
> Hans Dockter
> Gradle Project lead
> http://www.gradle.org
>
>
>
>

--
Hans Dockter
Gradle Project lead
http://www.gradle.org





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