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Bug#177952: marked as done (No way to suppress installation of essential packages)

Your message dated Thu, 1 Apr 2010 13:27:22 +0200
with message-id <20100401132420.GA3162@debian.org>
and subject line Re: apt pinning doesn't work for essential packages
has caused the Debian Bug report #177952,
regarding No way to suppress installation of essential packages
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.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
177952: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=177952
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: base
Version: N/A; reported 2003-01-22
Severity: normal

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Hash: SHA1

I have a woody system, but neede to install spamassassin from sarge,
because the one in woody is broken.  I used Pin-Priorites for that.
Here's the contents of the config files:

debina:~# cat /etc/apt/sources.list
deb ftp://ftp.pl.debian.org/debian/ sid main contrib non-free
deb ftp://ftp.pl.debian.org/debian-non-US/ sid/non-US main contrib non-free
deb ftp://ftp.pl.debian.org/debian/ woody main contrib non-free
deb ftp://ftp.pl.debian.org/debian-non-US/ woody/non-US main contrib non-free
deb ftp://ftp.pl.debian.org/debian/ sarge main contrib non-free
deb ftp://ftp.pl.debian.org/debian-non-US/ sarge/non-US main contrib non-free
debina:~# cat /etc/apt/preferences 
Package: *
Pin: release a=stable
Pin-Priority: 600

Package: *
Pin: release a=testing
Pin-Priority: 70

Package: *
Pin: release a=unstable
Pin-Priority: 40

I wanted to upgrade to the latest woody 3.0r1: 

debina:~# apt-get dist-upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
Calculating Upgrade... Done
The following NEW packages will be installed:
  coreutils 
22 packages upgraded, 1 newly installed, 0 to remove and 0  not upgraded.
Need to get 14.1MB of archives. After unpacking 5890kB will be used.
Do you want to continue? [Y/n] 
Get:1 ftp://ftp.pl.debian.org sarge/main coreutils 4.5.2-1 [1966kB]

coreutils is a package from sarge, which replaces woody's textutils,
shellutils and fileutils. apt-get should know from my
/etc/apt/preferences that my system is stable/woody, and it should not
(yet) replace my woody's *utils with sarge's coreutils (which did not
exist in woody). 

- -- System Information
Debian Release: 3.0
Architecture: i386
Kernel: Linux debina 2.4.18 #4 Sat Dec 28 05:46:45 CET 2002 i686
Locale: LANG=C, LC_CTYPE=pl_PL

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--- End Message ---
--- Begin Message --- 
Version: 0.7.25.3

Closing again. Please do not reopen fixed bugs just because
they still exist in older releases.

On Thu, Apr 01, 2010 at 02:06:06PM +0300, Teodor MICU wrote:
> reopen 177952
> found 177952 0.7.20.2+lenny1
> fixed 177952 0.7.25.3
> thanks
> 
> The main point of these old bug reports is that there is no way of
> (willingly) preventing the installation of an essential package.
> In our present time we're confronting with the 'diff' -> 'diffutils'
> transition of an essential package. I have to keep "testing" in my
> sources.list file for a single 'noarch' package (PHP-based
> application) that I want to keep it updated. I have no reason to
> replace 'diff' with 'diffutils' because of this, so I'm looking for a
> solution of preventing an accidental install of 'diffutils' essential
> package.
> 
> > You can prevent the installation of new essential packages by
> > pinning them to -1:
> >
> > 	Package: test-essential
> > 	Pin: version 0.0-0
> > 	Pin-Priority: -1
> >
> > Thus I'm also closing bug #177952; because it is possible
> > to "suppress installation of essential packages". Due to
> > Bug #216768 this may not always work in practice; but I
> > have not checked it further.
> 
> That's the thing, not even using "Pin-Priority: -1" for an essential
> package will prevent it from being installed. Either by executing
> "apt-get dist-upgrade" or "apt-get install diffutils" the new
> essential package is installed even if the pin priority is "-1".
> 
> This bug seems fixed for 'squeeze' but not on 'lenny'. Does a fix for
> this qualifies for an update or will be tagged with lenny-ignore?
No, it's a wishlist bug.

-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

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

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