Add "transtive" attribute to <cachepath>, <cachefileset> and <retrieve>
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Key: IVY-393
URL: https://issues.apache.org/jira/browse/IVY-393
Project: Ivy
Issue Type: New Feature
Components: Ant, Core
Affects Versions: 1.4.1
Environment: all
Reporter: John Williams
Priority: Minor
It would be useful to have a "transitive" option similar, but not identical, to
the "transitive" attribute of configurations. Why not identical? If there are
two configurations that are identical except that one is transitive and the
other is not, the two configurations can choose different revisions for some
modules due to conflict resolution. (For instance, if my module depends on
modA-1.0 and modB-1.0, and modB-1.0 depends on modA-1.1, the transitive config
will use modA-1.1 and the other config will use modA-1.0.) The option for
<cachepath>, etc. should exclude indirect dependencies without affecting which
revision is used.
My rationale for this feature is that I would really like to have two
classpaths--one for compile time and the other for run time--that are identical
except that the compile-time classpath would have only direct dependencies. I
like having only direct dependencies at compile time because it ensures that
all the direct dependencies are declared to Ivy, but the versions of all
modules *must* be the same as the run-time classpath in order to avoid causing
a lot of confusion. (A lesser reason for preferring a classpath with only
direct dependencies is that javac is much faster with a small classpath.)
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