On Wed, Jan 22, 2014 at 12:18 PM, Michael K. Johnson <[email protected]> wrote:
> On Wed, Jan 22, 2014 at 11:05:59AM +0100, Mark Trompell wrote:
>> > What does conary do with rpms? Basically conary picks up the rpm from a 
>> > location. Explodes it. Gathers all the file paths and figures out deps 
>> > from the files. Conary then throws the files away and packs the rpm in the 
>> > conary package.
>>
>> How does it handle scripts, like shown with qpm -q --scripts
>
> Conary hands the RPM packages to RPM, and RPM runs the RPM scripts.
>
> I don't recall off the top of my head whether encapsulated files
> can additionally be tagged to run tag scripts, but there would
> not normally be any point in doing so.
>
> The encapsulating conary package can have native components as
> well as encapsulated components.
>
> $ conary rq --troves --all-troves --trove-flags 
> rpm=centos6.rpath.com@rpath:centos-6e --config 'repositoryMap 
> centos6.rpath.com https://updates.sas.com/conary/'
> rpm=4.8.0_37.el6-2-1
>   rpm:debuginfo=4.8.0_37.el6-2-1 [NotByDefault]
>   rpm:python=4.8.0_37.el6-2-1
>   rpm:rpm=4.8.0_37.el6-2-1
>
> The rpm:rpm component is the actual encapsulated RPM package
> of RPM that Conary hands off to RPM to install.

Ok, I think I start to understand the whole thing a bit better now.
But would conary verify still work? what would a conary q foo --lsl show?

> The rpm:python component is a native conary component, built
> against the rpm sources and against the same version of Python
> that Conary is built against.  Right now, that CentOS import
> has a separate python stack for Conary to reduce its exposure
> to platform bugs; a decision that was made back at rPath for
> a variety of reasons that don't really apply now.  Later, we
> do expect to migrate the Conary in that import to use system
> Python instead, both to reduce image size and to make it easier
> to "adopt" installed systems.  For our F20 import, we'll make
> the same choice and use the system Python.  Therefore, we will
> not have that "rpm:python" component in our import.
>
>> Will it map eg. foo-devel to foo:devel?
>
> $ conary rq --troves --all-troves --trove-flags 
> rpm-devel=centos6.rpath.com@rpath:centos-6e --config 'repositoryMap 
> centos6.rpath.com https://updates.sas.com/conary/'
> rpm-devel=4.8.0_37.el6-2-1
>   rpm-devel:rpm=4.8.0_37.el6-2-1
>
> No.  That's a policy decision to make it easier to map RPM
> dependencies to conary packages.
>
> At rPath, before we implemented encapsulation, we had what we
> called "binary import" which was what I suggested for "Boots"
> oh so many years ago.  In that model, we pulled in sets of
> packages grouped by SRPM and did map foo-devel to foo:devel
> but I don't think that makes sense for a pure encapsulated
> import.
>
> If, after we import F20 as an encapsulated import, someone is
> interested in using that encapsulated platform to bootstrap
> either a "binary import" as I previously suggested for Boots
> or an automated source rebuild as we have discussed at other
> times, they would almost certainly want to do that mapping;
> the question then would be whether to do the mapping at all
> or to let Conary policy map to components and explicitly
> override that when policy didn't do what you wanted; it would
> really depend on how much time those people wanted to spend.
> Right now, I can't see that I have the time to do that work,
> much as I would (as an inventor of many of those concepts)
> like to see it work.
>
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-- 
Mark Trompell

Foresight Linux Xfce Edition
Cause your desktop should be freaking cool
(and Xfce)

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