Re: Bug#115517: apt: example preferences files should be included
On Sat, 13 Oct 2001, Joey Hess wrote:
> Wrapping your head around how the /etc/apt/preferences files work,
> especially with all the numeric values, is a real pain. A lot of users end
> up asking on debian-user for examples of such files. The two most common
> things they want to do are surely:
Well, I was hoping someone would have made a tool to entire this data by
now..
> X-Comment: This example /etc/apt/preferences file causes the system to
> X-Comment: track testing (or whatever is specified after "a="). Packages
> X-Comment: may be upgraded individually to their unstable versions, and
> X-Comment: apt will then track the unstable version. See apt_preferences(5)
> X-Comment: for details.
Mm, you won't get that effect if you use -10, you have to use something
higher than 100. Basically, to get what you describe, it is sufficient to
put
APT::Default-Release "testing";
in apt.conf (-t command line option). To eliminate unstable from selection
it is equally effective to remove it from the sources.list.
The preferences file's default option is really only super-useful if you
want to do complicated selections involving non-debian sources, that was
why I added it.
Jason
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