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Zac Medico 06-02-2011 05:38 AM

Virtual default changes for old users, was: Heads up: libjpeg-turbo stabilization, becoming the default
 
On 06/01/2011 10:15 PM, Christopher Head wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Sun, 27 Mar 2011 11:33:03 +0300
> Samuli Suominen <ssuominen@gentoo.org> wrote:
>
>> libjpeg-turbo stabilization is happening for amd64/x86 at
>> http://bugs.gentoo.org/360715
>>
>> - the gentoo-x86 has been converted to virtual/jpeg to support this.
>> - we have no bugs reported against the package.
>> - libjpeg-turbo is default in virtual/jpeg
>>
>> so just heads up.
>>
>
> Hi everyone,
>
> Just a user, not a developer, but:
>
> The third point of this message made me wonder about something. New
> installs will get libjpeg-turbo, as it's the default. Old users may
> never know it exists! It seems that making lbjpeg-turbo the default
> implementation of virtual/jpeg is expressing some small preference in
> favour of it, but old users will never be presented with the choice to
> switch. It seems like this is a bit of a gap in package management,
> that even if a "better" package becomes available and becomes the
> default implementation of a virtual, existing users will keep using the
> "worse" package for no other reason than that it's already installed
> (and there's no message anywhere even telling them that the change
> happened).
>
> Does anyone think this is suboptimal and that it might be nice to
> investigate alternatives?

A couple of alternatives come to mind:

A) Create a news item to notify people who have media-libs/jpeg
installed that there is an alternative.

B) Put media-libs/jpeg in package.mask, so that migration happens
automatically.
--
Thanks,
Zac


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