Re: Aptitude Error

[Anand Sivaram <aspnair@gmail.com>]

On Sat, May 1, 2010 at 00:08, Tom H <tomh0665@gmail.com> wrote:
> On Fri, Apr 30, 2010 at 1:54 PM, Boyd Stephen Smith Jr.
> <bss@iguanasuicide.net> wrote:
>> On Friday 30 April 2010 12:10:45 James Stuckey wrote:
>>> On Fri, Apr 30, 2010 at 5:44 PM, Boyd Stephen Smith Jr. <
>>>
>>> bss@iguanasuicide.net> wrote:
>>> > On Friday 30 April 2010 06:16:22 James Stuckey wrote:
>>> > > The unstable/sid doesn't have to be comment out. Setting the default
>>> > >  release will keep the system tracked to, in this case, testing.
>>> >
>>> > Er, mostly.
>>> >
>>> > If there is a versioned dependency that can be satisfied from sid but not
>>> > testing, you will get the package from sid.  This shouldn't happen given
>>> > the
>>> > way testing is managed, unless you installed at least one package from
>>> > sid.
>>>
>>> I installed eclipse from sid, since there isn't eclipse in testing.
>>
>> It may have pulling in some dependencies from Sid, then.
>>
>> I know the official line is to use '-t $something' as arguments to apt-
>> get/aptitude for pulling in packages from Sid/experimental/backports, but I
>> think it is better to use the '$package=$version' format. (After getting the
>> version from something like (apt-cache policy $package).)
>>
>> My instinct is that '-t $something' effectively increases the priority of all
>> packages from the $something repository, which may make the dependency
>> resolver pull more from that repository than is absolutely necessary.
>
> If you are running stable
> aptitude install <package>/testing
> will install <package> from testing and try to satisfy dependencies
> from stable whereas
> aptittude install -t testing <package>
> will install <package> from testing and try to satisfy dependencies
> from testing.
>
> I assume that
> aptitude install <package>=testing_version
> behaves like
> aptitude install <package>/testing
> and that in both these methods the dependencies might not be satisfied
> (I had that problem in December with Firefox 3.6).
>
>
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>

Thanks for this nice information, Tom