On Sat, 14 Mar 2009 20:22:16 +0100 Tomáš Chvátal <scarab...@gentoo.org> wrote: > But in comment 4 user ask about updates itself. If we have live > package and revision does not change it is pointless waste of > resources to recompile it usualy.
Doing this properly is an awful lot of work and a lot trickier than initially apparent. There was a discussion in #gentoo-council about it after the last meeting; unfortunately I don't have logs. I see the solution as being done in four parts, one after another: * Proper ordering for live packages. This is GLEP 54. * Allowing installed SCM ebuilds to identify the revision with which they were built. This isn't overly difficult, once you get around things like CVS not really having a revision. * Allowing SCM ebuilds to identify upfront, and potentially at --pretend time, with which revision they will be built. This is the hard part, especially if you want to be able to background fetch them. * Allowing user overrides of revisions in a controlled manner. In terms of goals, [1] is what I'd consider to be an ideal list. Unfortunately, given the difficulty of getting even the first item on the list implemented, I don't see this going anywhere any time soon for Gentoo... [1]: http://lists.exherbo.org/pipermail/exherbo-dev/2009-March/000409.html -- Ciaran McCreesh
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