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Re: How to update Debian 11 source.list to testing?

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On 2021-09-03 at 13:40, Greg Wooledge wrote:

> On Fri, Sep 03, 2021 at 06:24:31PM +0100, Brian wrote:
> 
>> On Fri 03 Sep 2021 at 10:40:32 -0400, The Wanderer wrote:
>> 
>>> deb http://ftp.us.debian.org/debian/ stable main non-free
>>> contrib deb http://ftp.us.debian.org/debian/ testing main
>>> non-free contrib
> 
>> Surely - if you have a package installed from a previous release, 
>> it does not get removed simply because testing does not have it?
> 
> Correct.
> 
>> It looks to me that the first line in sources.list does not help in
>> this situation.
> 
> Also correct, *but* it does help if you want to install something
> from stable that has been removed from testing.

Yep - and that's the main reason why I keep this arrangement.

> In the absence of "pinning", using the two lines that The Wanderer 
> posted would give you a testing system, with the option to pull in 
> packages from stable if needed.  It's a viable setup.  Sensible.
> 
> The problem is, sometimes people think it's the opposite of that. 
> They think they can run a "mostly stable" system with the option to 
> cherry-pick packages from testing.  This is *NOT* the case.  And no 
> amount of "pinning" will make it so.

I hadn't even considered that angle, although now that it's been brought
up I recall having seen it discussed in the past.

No, indeed - that's not going to work, and it should not be anything
close to recommended. I would not want my description of my own setup to
be interpreted as an endorsement of trying to do that.

-- 
   The Wanderer

The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all
progress depends on the unreasonable man.         -- George Bernard Shaw

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Re: How to update Debian 11 source.list to testing? Roberto C. Sánchez <roberto@debian.org> - 2021-09-03 16:20 +0200
  Re: How to update Debian 11 source.list to testing? The Wanderer <wanderer@fastmail.fm> - 2021-09-03 16:50 +0200
    Re: How to update Debian 11 source.list to testing? Roberto C. Sánchez <roberto@debian.org> - 2021-09-03 17:20 +0200
    Re: How to update Debian 11 source.list to testing? Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2021-09-03 17:50 +0200
    Re: How to update Debian 11 source.list to testing? Greg Wooledge <greg@wooledge.org> - 2021-09-03 19:10 +0200
      Re: How to update Debian 11 source.list to testing? The Wanderer <wanderer@fastmail.fm> - 2021-09-03 21:00 +0200
    Re: How to update Debian 11 source.list to testing? Brian <ad44@cityscape.co.uk> - 2021-09-03 19:30 +0200
      Re: How to update Debian 11 source.list to testing? Greg Wooledge <greg@wooledge.org> - 2021-09-03 19:50 +0200
        Re: How to update Debian 11 source.list to testing? The Wanderer <wanderer@fastmail.fm> - 2021-09-03 21:10 +0200
        Re: How to update Debian 11 source.list to testing? Brian <ad44@cityscape.co.uk> - 2021-09-03 21:20 +0200
          Re: How to update Debian 11 source.list to testing? The Wanderer <wanderer@fastmail.fm> - 2021-09-03 22:00 +0200
            Re: How to update Debian 11 source.list to testing? riveravaldez <riveravaldezmail@gmail.com> - 2021-09-04 03:40 +0200
              Re: How to update Debian 11 source.list to testing? Richard Forst <sterbl.ta@tutanota.com> - 2021-09-04 05:00 +0200
  Re: How to update Debian 11 source.list to testing? piorunz <piorunz@gmx.com> - 2021-09-03 17:30 +0200
    Re: How to update Debian 11 source.list to testing? Roberto C. Sánchez <roberto@debian.org> - 2021-09-03 17:40 +0200
  Re: How to update Debian 11 source.list to testing? Richard Hector <richard@walnut.gen.nz> - 2021-09-04 07:00 +0200
  Re: How to update Debian 11 source.list to testing? "Andrew M.A. Cater" <amacater@einval.com> - 2021-09-04 12:10 +0200

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