Bug#638024: [apt] APT::Default-Release considers equivalent suite

[Mark Hobley <markhobley@yahoo.co.uk>]

Here is a sample /etc/apt/apt.conf

// ///////////////////////////////////////////////////////////////////////////
//
// apt.conf - Apt configuration file
//
// This file contains configuration entries for the Debian "Apt" package.
//
// This file did not exist following installation, so has been created
// using a text editor.
//
// Lines beginning with // are comment lines and can be ignored
//
// ///////////////////////////////////////////////////////////////////////////

APT::Default-Release "stable" ;
APT::Cache-Limit "33554432" ;

APT::Install-Recommends "0" ;
APT::Install-Suggests "0" ;

APT::DSelect::Clean "never";

// Get rid of the translation crap

Acquire::Languages "none" ;

// See Debian bug 613068
Acquire::FTP::Passive ;

Here is a sample /etc/apt/sources.list file:

#
# This is the apt source file
#

#deb file:///cdrom/ squeeze main

deb ftp://ftp.debian.org/debian/ squeeze main contrib non-free

# deb-src ftp://ftp.debian.org/debian/ squeeze main contrib non-free

# deb http://security.debian.org/ squeeze/updates main
# deb-src http://security.debian.org/ squeeze/updates main

deb ftp://ftp.debian.org/debian/ unstable main contrib non-free

deb-src ftp://ftp.debian.org/debian/ unstable main contrib non-free

# deb http://www.backports.org/debian squeeze-backports main contrib non-free

# deb http://unofficial.debian-maintainers.org/ squeeze/backports main contrib non-free restricted
# deb-src http://unofficial.debian-maintainers.org/ squeeze/backports main contrib non-free restricted

deb ftp://ftp.debian.org/debian/ experimental main contrib non-free