sources.list for debian sid source code

[Matthew Kuiken]

Cameron Hutchison wrote:
> I wrote:
>   
>> ben wrote:
>>     
>>> Cameron Hutchison <lists at xdna.net> wrote:
>>>       
>
>   
>>>> I'm trying to figure out how to set up my /etc/apt/sources.list so
>>>> that I can add a deb-src line for Debian unstable. But I only want to
>>>> fetch sources from that source when explicitly specified.
>>>>         
>
>   
>>> sudo apt-get source -t sid xterm
>>>       
>
>   
>> That does it, after adding:
>> APT::Default-Release "dapper";
>> to my /etc/apt/apt.conf and the deb-src line to my sources.list
>>     
>
> Actually, that doesn't do it very well. If I add a Default-Release of
> dapper, I'm missing out on dapper-updates and dapper-security.
>
> I've now removed the Default-Release config item and added the following
> to /etc/apt/preferences:
>
> Package: *
> Pin: release o=Debian
> Pin-Priority: 50
>
> According to the apt_preferences(5) man page, this should work, but it
> isn't. Sources are still coming from Debian unstable by default (if the
> version is later). It seems "apt-get source" is ignoring the preferences
> - perhaps they apply only to binary packages?
>
> Any more ideas?
>   

Try pin priority -1, and then add the package you want to install with a 
positive pin priority.  This should make the debian packages 
uninstallable unless they are specifically pinned to allow installation.

Example I saw a while back on this list:

Explanation: Default rule to disallow all "universe" packages.
Package: *
Pin: release c=universe
Pin-Priority: -10

Explanation: Tool to manage boot-up services.
Package: bum
Pin: release c=universe
Pin-Priority: 900

The first rule keeps any package from universe from being installed.
The second rule overrides the first one for package 'bum' and allows its installation.

HTH,
-Matt