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Re: [git] configuring Hudson build job for multiple Git repositories

It really comes down to how big your project is, and how it can be built and used by your community.  Anything that is core to the project should probably be in the same repo.   Anything note core, could be moved into separate repos.

One reason to split things up is if you don't need to build everything together.

Not having everything together gives you some added flexibility with your builds, but it also adds complication which your project and community may not need.

Dave


On 07/30/2012 12:35 PM, Matthew Heitz wrote:
Thanks Eric.  That solution had occurred to me but I'm not thrilled about the additional complexity.

Can somebody tell me the benefit of having many Git repositories vs. just one?  My team was working just fine with only one CVS repository.

 -Matt

--------------
Matt Heitz
Developer, Eclipse EGL Development Tools and IBM Rational Business Developer
http://www.eclipse.org/edt/
http://www.ibm.com/developerworks/rational/products/rbde/






From:        Eric Gwin <eric.gwin@xxxxxxxxxx>
To:        "Git related discussions,        specifcally migration help for projects at Eclipse.org" <git@xxxxxxxxxxx>,
Date:        07/30/2012 11:25 AM
Subject:        Re: [git] configuring Hudson build job for multiple Git repositories
Sent by:        git-bounces@xxxxxxxxxxx




As I understand it, there'd be a separate build job for each repo. The Jobs should rely upon each other in the needed build order using "spawn another build" or "start after X project".  Then the base build kicks off, spawning higher level projects (from a dependency point of view) as it goes.

That's the theory anyway. I'm not sure what other teams do, and I haven't gotten to the point of splitting the builds yet (we needed to maintain all history, so I pretty much fully migrated from svn to Git (1->1), and will be pruning and adding additional repos shortly.  

I did do some experimenting though and linking builds seems to work ok. Though I haven't yet figured out how to share workspaces (so test can directly access the built artifact for instance).

HTH

Eric

On 30/07/2012 10:49 AM, Matthew Heitz wrote:

Hi,

I need some help configuring Hudson to build my project after its migration from CVS to Git.


We migrated from one CVS repository to several Git repositories, thanks to statements like "Typically, one Git repository (.git) is created for each logical unit, or grouping of code -- a plugin, a connector, a component, and so on." in
http://wiki.eclipse.org/Git/Migrating_to_Git .  I want the code from all of the Git repos to be compiled together by one Hudson job, but I haven't succeeded yet.

Hudson's build config page allows you to specify as many Git repos as you'd like, but I just read in the Hudson Book
http://wiki.eclipse.org/The_Hudson_Book that "Providing multiple repositories only makes sense when they are clones or instances off the same repository, since they will be used for merging together the content prior to the build."  That's not what I'm trying to do.  Each repository contains a distinct set of plugins.

In order for my build to work, the files from all repos must be extracted to the same directory in the Hudson workspace.  But Hudson is removing the previous contents of the directory each time it fetches files from a repo.  I end up with only the files from the last repo.


I tried telling Hudson to put each repo's files into a different place, but then javac couldn't find them.


I appreciate any help you can give me.


-Matt

--------------
Matt Heitz
Developer, Eclipse EGL Development Tools and IBM Rational Business Developer

http://www.eclipse.org/edt/
http://www.ibm.com/developerworks/rational/products/rbde/




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