Re: Different versions of a package in the same profile?

[ludo@gnu.org (Ludovic Courtès)]

Federico Beffa <beffa@ieee.org> skribis:

> Andreas Enge <andreas@enge.fr> writes:
>
>> On Sun, Nov 02, 2014 at 06:22:28PM +0100, Ludovic Courtès wrote:
>> There is also the question of conflicts with identical file names. They are
>> already there now, but their probability should be higher with identical
>> package names. Maybe we need to rethink the handling of conflicts also.
>
> In the past I did use the packaging system called SEPP
>
> http://oss.oetiker.ch/op-sepp/

Interesting.

> It allow installing several versions of a program on a single system.
> The way they use to avoid naming conflicts it to systematically add a
> suffix to binary names, with the suffix corresponding to the version of
> the package.  They even went one step further and they added a suffix
> with the initials of the administrator who packaged the application.
>
> Each program was available with several names. For program foo:
> - foo
> - foo-1.2.3
> - foo-1.2.3-fb
> Obviously if more foo versions were installed, only one would be
> referred to by foo.  The others were available with versioned names.
>
> As a user, the system did work very well.
>
> To handle updating, specifying foo should update the version owning
> the name foo.

OK, this is a strategy similar to what Andreas was suggesting.

> To update another version one would give the versioned name
> "foo-1.2.3".

I see.

Ludo’.