On Wed, Jun 11, 2008 at 07:00:09PM -0700, Bart Smaalders wrote:

> >>>P.S. We are planning for introducing updates into the Glassfish V3 
> >>>repositories, some of which introduce incompatible change that require 
> >>>multiple packages to be updated at the same time.  I was hoping that we 
> >>>could use incorporations to force the updates to happen in this way.
> >>Right now incorporations just specify a minimum dependency; this is a
> >>missing feature and will get fixed soon.
> >
> >When you say "will be fixed", do you mean "allow to specify a maximum
> >dependency", as the source seems to indicate, or something else?
> >
> >If it's the former, then I don't quite understand how incompatible
> >versioning is represented in pkg. For example:
> >
> >glassfish-user is released, depends on [EMAIL PROTECTED]
> >
> >[EMAIL PROTECTED] is released, not compatible
> >
> >If [EMAIL PROTECTED] can be upgraded into [EMAIL PROTECTED], then 
> >glassfish-user
> >breaks (I'm presuming that at publication time that package has no idea
> >that [EMAIL PROTECTED] is going to be released).
> >
> >Probably the argument is that version 5 needs to be a separate package
> >instead, since it introduces incompatibilities? If so, how would the
> >system deal with things like "give me glassfish"? Some kind of
> >incorporation that matches either [EMAIL PROTECTED] or [EMAIL PROTECTED]
> 
> By fixed I meant that incorporations will not allow those package
> versions to change any portion of the specified version; eg
> 
> depend type=incorporation fmri=pkg:/[EMAIL PROTECTED]
> 
> means [EMAIL PROTECTED] and [EMAIL PROTECTED] are ok, but [EMAIL PROTECTED] 
> and [EMAIL PROTECTED] are
> right out...
> 
> A dependency of the type
> 
> depend type=require fmri=pkg:/[EMAIL PROTECTED]
> 
> means that [EMAIL PROTECTED] or greater is ok.
> 
> If the publisher of A decides that [EMAIL PROTECTED] will not be completely
> compatible w/ previous releases, s/he has several choices
> depending on the nature of that incompatibility.
> 
> 1) if the incompatibility is with his own older packages, he can
> simply require a minimum optional dependency on the newer version.
> Eg, if [EMAIL PROTECTED] depended on [EMAIL PROTECTED], but [EMAIL PROTECTED] 
> doesn't satisfy [EMAIL PROTECTED]'s requirements
> but does satisfy [EMAIL PROTECTED]'s, he can add a optional dependency to 
> [EMAIL PROTECTED] on [EMAIL PROTECTED];
> thus if B is installed w/ [EMAIL PROTECTED], it must be at [EMAIL PROTECTED] 
> or higher.

Ah, that makes sense. What about when A's publisher has no idea what
"B"s exist (let's say (A)pache)? Will there be a way to say "ALL B's
that are dependent on [EMAIL PROTECTED] must be upgraded?

thanks
john
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