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Bug#94164: marked as done (A wish for 'apt-get fallback <package> [<package> ...]')

Your message dated Thu, 13 Aug 2015 22:39:38 +0200
with message-id <20150813223858.GA4038@debian.org>
and subject line Re: Bug#94164: A wish for 'apt-get fallback <package> [<package> ...]'
has caused the Debian Bug report #94164,
regarding A wish for 'apt-get fallback <package> [<package> ...]'
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
94164: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=94164
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt
Version: 0.5.3
Severity: wishlist

Hello,

I wish there was an option to fall back to an earlier version of packages...

It should be simple to implment and I could imagine one way for achieving it:
(of course there could be more)

1. Optionally, at every upgrade, the package(s) to be upgraded are repackaged
before removed including any temporary or newly created file(s) that they need
(and use) for a proper functionality (the functionality before the upgrade)
and are put in a temporary place (cache) under a special name (like one letter
added, or something similar).
When 'apt-get fallback package' is issued, first that temporary repository
is looked up, and if found, the backed up package reinstalled. If not found,
first the testing, then the stable tree is looked up if possible and the version
there would be installed if posssible. If both fail,
'Fallback for package is not possible' message and exit is performed.

It's been a long time since I'd been thinking of asking for such a feature.
The actuality for this wish being posted is the latest ssh breakage

('OpenSSL version mismatch. Built against 90600f, you have 90601f')

which isolated my machine from the outside and my X for days.
With such a fallback feature, it wouldn't have been such a big deal.

I know unstable is unstable and things break, but those who like the
bleeding edge I believe would loose less blood with such a feature.

BR,

Csani

-- System Information
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux pelikan 2.4.3-cs1 #1 Sun Apr 1 14:13:23 CEST 2001 i686

Versions of packages apt depends on:
ii  libc6                  2.2.2-4           GNU C Library: Shared libraries an
ii  libstdc++2.10-glibc2.2 1:2.95.4-0.010407 The GNU stdc++ library

--- End Message ---
--- Begin Message --- 
On Mon, Apr 16, 2001 at 06:15:00PM +0200, Janos Holanyi wrote:
> Package: apt
> Version: 0.5.3
> Severity: wishlist
> 
> Hello,
> 
> I wish there was an option to fall back to an earlier version of packages...
> 
> It should be simple to implment and I could imagine one way for achieving it:
> (of course there could be more)
> 
> 1. Optionally, at every upgrade, the package(s) to be upgraded are repackaged
> before removed including any temporary or newly created file(s) that they need
> (and use) for a proper functionality (the functionality before the upgrade)
> and are put in a temporary place (cache) under a special name (like one letter
> added, or something similar).
> When 'apt-get fallback package' is issued, first that temporary repository
> is looked up, and if found, the backed up package reinstalled. If not found,
> first the testing, then the stable tree is looked up if possible and the version
> there would be installed if posssible. If both fail,
> 'Fallback for package is not possible' message and exit is performed.
> 
> It's been a long time since I'd been thinking of asking for such a feature.
> The actuality for this wish being posted is the latest ssh breakage
> 
> ('OpenSSL version mismatch. Built against 90600f, you have 90601f')
> 
> which isolated my machine from the outside and my X for days.
> With such a fallback feature, it wouldn't have been such a big deal.
> 
> I know unstable is unstable and things break, but those who like the
> bleeding edge I believe would loose less blood with such a feature.

Downgrades are not supported. Use a snapshotting feature in the file
system or block layer.

-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.

Be friendly, do not top-post, and follow RFC 1855 "Netiquette".
    - If you don't I might ignore you.

--- End Message ---
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