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From Ron Wheeler <rwhee...@artifact-software.com>
Subject Re: Bootstraping a repository manager
Date Thu, 19 May 2011 16:30:14 GMT
On 19/05/2011 11:26 AM, Heck, Gus (Patrick) wrote:
> Oh yes, and I'll be doing some new searches now that I have your name as
> a search key since you say you've discussed this a lot. :) Searches on
> settings.xml, or repository or most of the keywords I can think of for
> this just have way too many hits. The help is definitely appreciated,
> sorry if I sounded a bit sour.
>
> On the plus side, I'm now running down dependencies now that I've
> figured out where to find things in "central" (and where central is).
>
> Interestingly, a simple maven-clean from maven 3.0.2 pulls dependencies
> for multiple versions of maven and maven-parent. Seems a little funky to
> me, but I guess it's probably a product of plug-ins having a separate
> release schedule.
This sounds similar to the problem with third party libraries where you 
end up with a lot of different versions of log4j, for example, and you 
just pick one - the highest, provide it in a shared libray and then use 
exclusions to prevent other jars from loading old versions.

I believe in strict and explicit control over all code (including the 
3rd party stuff) that runs in production and went to the trouble of 
making this happen for our development team.

Ron

> -Gus
>
> Patrick Heck
> ||| Principal Software Engineer
> Aspen Technology, Inc. ||| +1 781-221-6483 ||| www.aspentech.com
>
> -----Original Message-----
> From: Ron Wheeler [mailto:rwheeler@artifact-software.com]
> Sent: Wednesday, May 18, 2011 10:22 PM
> To: users@maven.apache.org
> Subject: Re: Bootstraping a repository manager
>
> The other nice thing about Maven is that no matter what one is building
> or how unusual one thinks their environment is, someone has already
> built something similar and someone has already worked out a best
> practice in a similar environment.
>
> It is also supported by a great forum where you get advice that you
> could not find or afford and it is free here.
>
> Ron
>
> On 18/05/2011 9:32 PM, Wendy Smoak wrote:
>> On Wed, May 18, 2011 at 7:56 PM, Heck, Gus (Patrick)
>> <Gus.Heck@aspentech.com>   wrote:
>>> As I explained in another response, I want the software to tell me
> when I've got enough stuff to build (much like test driven development),
> rather than trusting I covered everything post-hoc. As for doing it with
> ant projects, I've certainly been there. At one job I wrote a custom ant
> task that looked at /lib, a properties file and a directory called
> /licenses. If the jar in lib didn't have an entry in the properties
> file, or the value for that jar in the properties file didn't match the
> name of a file in /licenses, the build failed. Not really that hard to
> implement. As you say, the big time sink is in hunting down the
> licenses, but in the current job I have to do that anyway to include a
> copy of the license with the approval form for the lawyers... nothing
> maven can do about that. The only irritation is that some basic
> artifacts seem to be hard to find and instead of an answer such as "the
> artifacts you need can be found here" I get a chorus of "don't do that"
>> Hm?  I already told you where the things are.  In the central
>> repository.  (And you need both the jar and the pom for it to work.)
>>
>> Typically the only organizations that can afford to be this paranoid
>> are really big ones.  I work with one of those.  The internal Maven
>> repo does not talk to the internet.  Instead, developers fill out a
>> web form to request a new artifact to be uploaded, someone approves it
>> if it's in the standards, or sends them off to the reference
>> architecture team to explain why they need it, and then someone else
>> presses the buttons in Archiva to upload it.
>>
>> Plugins are a special case.  Those we handle within the build team, as
>> they typically want all kinds of dependencies.  So for those we
>> connect to the internet and use the Maven Assembly plugin to create a
>> repository bundle by listing the plugin as a dependency.  Maven goes
>> off and gets everything that plugin needs, and the whole bundle is
>> uploaded.  Those artifacts generally aren't going to get into your end
>> product, they are just used during the build.
>>
>>> By the way, I am a bit irritated that maven put's the repository
> information out on the developer's settings.xml. I'd much rather be able
> to manage that centrally, and not leave it as something that they could
> screw up, or forget to do after their hard drive fails and the set
> things up a second time. Is there a way to lock things into a single
> repository without settings.xml?
>> That's where it's done, with a mirror in settings.xml.  You can create
>> your own Maven distribution with the settings.xml you want them to use
>> packaged inside it (in the /conf directory.)
>>
>> I assume if you're this strict about dependencies, developers are not
>> downloading random software from the internet and installing it on
>> their machines, so provide the Maven distro you want them to use.
>>
>
>
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