Re: concurrent installation of different pkg versions
Le Sat, Apr 26, 2014 at 11:41:17AM +0800, Paul Wise a écrit :
> On Sat, Apr 26, 2014 at 1:39 AM, Daniel Pocock wrote:
>
> > a generalized approach is needed.
>
> Multiple versions of a package seems undesirable to me, for the same
> reasons as static libraries and embedded code copies are undesirable.
Hi Paul and everybody,
it would be a great advantage for Debian over the other distributions to have
the capacity to install multiple versions concurrently.
That does not mean that it would be a good idea to install multiple versions of
core packages. However, on multi-user systems, the ususal approach is that the
administrator tells the users to go compile their specialised programs
themselves. In Debian, these programs are typically in leaf packages that have
simple dependancy trees and tend to work well unmodified on multiple releases.
If we could use APT to leverage resources like snapshot.debian.org, this would
give Debian a strong momentum on that use case. Of course, I understand that
implementing this properly is a lot of work.
PS: I started to read about Nix, thanks for the link. This is exciting.
Have a nice week-end,
--
Charles Plessy
Tsurumi, Kanagawa, Japan
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