Hi Volker,

On 2015-09-09, Volker Braun <vbraun.n...@gmail.com> wrote:
> On Wednesday, September 9, 2015 at 5:45:14 PM UTC+2, Simon King wrote:
>>
>> However, I believe that "sage -i <full url of an old style spkg>" should 
>> still be supported. 
>
>
> Agree, and this is not what this thread is about. 

Is it not? OK, then I indeed misunderstood.

So, what is the thread about? Removing all official optional old-style
packages from the server?

There are several less drastic ways to proceed:
1) Have a deprecation period. I.e., the old-style optional spkgs remain
   on the server, a warning is printed, SageMath tries to install it
   (which may fail if the package did not cope with recent internal
   changes in SageMath),  and after one year the spkg is removed from
   the server (unless the maintainer transforms it to new-style).
2) Demote all optional old-style packages to experimental packages. If I
   understand correctly, installing an experimental package requests
   conformation of the user. Which is fine, unless we have a script.
3) Raise an error that points the user to an url (or to the address of
   the maintainer) from which the old-style package can be obtained.

IMHO, each of these solutions is better than bluntly saying that the
spkg doesn't install or doesn't exist.

Cheers,
Simon

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