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From "Xavier Hanin" <>
Subject Ivy settings management from Ant (was Re: can i call ivy:configure multiple times with different configuration files(which in turn refers different ivy.xmls)?)
Date Mon, 25 Jun 2007 11:16:47 GMT
On 6/25/07, Gilles Scokart <> wrote:
> 2007/6/25, Xavier Hanin <>:
> >
> > By the way, note that writting <ivy:settings/> actually doesn't do
> > > anything.  Your resolve will indeed use the default settings, but not
> > > because of your declaration of <ivy:settings/>.  What will happen in
> > > the resolve is that the task will search for the default id
> > > "ivy.instance", and will not found anything.  In that case, it creates
> > > this default settings and will use it.
> >
> >
> > I think this is counter intuitive. Why the <ivy:settings /> doesn't use
> the
> > default id used by the resolve? Or maybe I'm missing something?
> >
> > Xavier
> >
> It is counter intuitive for people migrating from 1.4, I agree.
> It's because ivy:settings is a ant datatype, and there is no way to
> way to hook the code that register himself with a default id.
> A work around might be to make it a Task instead of a dataype.  That
> would allow to implement what you describe.

OK, I understand. Could we list the pros and cons of each solution and see
what's the best solution. The pros I see for a datatype is that we could use
it directly in tasks requiring a settings. For instance:
<ivy:resolve file="ivy.xml">
  <ivy:settings url="http://myserver/ivysettings.xml"/>

I like this option. For people comfortable with ant datatypes, it should be
The cons is that it's counter intuitive for Ivy 1.x users, and not obvious
for others. It makes the scoping mandatory.

Using a task is like what we did in 1.x. The only cons I see is that we
can't use the syntax given as example above.

But maybe we could take advantage of both options, by avoiding the
deprecation of the configure task. In this case we would have the two
options: use a datatype (settings), or a task (configure). But maybe this
would be more confusing?



> Gilles SCOKART

Xavier Hanin - Independent Java Consultant
Manage your dependencies with Ivy!

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