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From: Andreas Axelsson <andreas.axelsson@combination.se>
To: "ivy-user@ant.apache.org" <ivy-user@ant.apache.org>
Date: Thu, 4 Mar 2010 09:34:02 +0100
Subject: Partial transient resolve?
Thread-Topic: Partial transient resolve?
Thread-Index: Acq7dXGcVEv0IJ0wT16mVjWJnvIyxQ==
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I've got some modules which are only required during development and I woul=
d like to mark them as such so that they are not pulled in as transient dep=
endencies even if a project asks for them.

Example:

A depends on B, always
B depends on C, always
B depends on D, but only during development

Running retrieve on A with transient dependencies enabled, I would like to =
get B and C, but not D. What would be the approach to use?

All my modules have the same configs available, build, dev and runtime. Bui=
ld is effectively the same as runtime, but the resolve chain is "build->dev=
(*);dev->runtime(*);runtime->runtime(*)" so that a module is built using th=
e "build" config, making it resolve it's dependencies in the "dev" config a=
nd transient dependencies in the "runtime" config.

I think what I want is for A to look at the transient flag of B's dependenc=
ies and ignore them if it's false, even if it's true for A itself. Right no=
w it only looks at the flag in the top level Ivy config, which makes it imp=
ossible to selectively ignore D but still get C. Or at least that's what my=
 tests are indicating.

A real life example might be:
A and B depends on different versions of a testing framework during develop=
ment. If transient dependencies are resolved, B might override the version =
A requires. But still, B might also require C, that I want to resolve, so I=
 cannot completely turn off transient dependencies and I don't want A to ha=
ve to know about C.

Thanks for any insight.
/axl


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