Re: Getting the hang of APT....
Thanks for the response Paul.
What does apt-cache do?
Does it require an internet connection?
I don't have an internet connection to my Debian box yet. (But I'm
working on it....)
I asked these questions in response to a problem I had. I tried to
install one package that depended on another package. The dependency
package was newer than the one APT said was required by the package I
was trying to install.
So I thought I would try to update the "dependency list" to use the
newer dependency package, not the older.
Perhaps if I download a newer version of the package I was originally
trying to install, this would be solved.
Is that a correct assumption.
Landon
On 6/14/05, Paul E Condon <pecondon@mesanetworks.net> wrote:
> On Tue, Jun 14, 2005 at 11:00:31AM -0700, Redefined Horizons wrote:
> [snip]
> > Does APT have a list that it uses to determine dependencies, or is
> > this information contained in each individual package? For example, If
>
> Yes.
>
>
> > I want to install package "X", does the "X" .deb contain the
> > dependency information, or is there a list on my system somewhere? If
>
> Yes.
>
> > there is a list, how would I update it to reflect dependencies of the
> > most recent packages.
> >
>
> Part of the apt system is code that reads the dependency information
> in each package and generates a single unified list of dependencies.
>
> I think what you want is already available, more or less, in several
> forms, but I've never worked it out, because my needs are pretty well
> satisfied by apt-cache.
>
> If you want to roll your on, start by looking up the docs on the Debian
> package file format. In brief, it is an ar-type archive having three
> components. One of those components is a tar-file containing the info
> that is displayed by aptitude when you are browsing the repository.
> One is the actual code to be loaded. The third is, I think, control
> scripts. But look at authoritative sources.
>
> I think you would be better off learning to use the existing stuff.
>
> HTH
>
> --
> Paul E Condon
> pecondon@mesanetworks.net
>
>
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