Re: "What satisfies this dependancy?"

[Colin Watson <cjwatson@debian.org>]

On Mon, Dec 09, 2002 at 05:37:18PM -0500, Travis Crump wrote:
> Phil Edwards wrote:
> >We all know how packages can provide meta-virtual-package-dependancy
> >thingies, e.g., the mailx package requires a mail-transport-agent package,
> >and a bunch of packages all provide mail-transport-agent, so take your 
> >pick.
> >
> >How do I discover what installed package is currently providing/satisfying
> >one of those kinds of dependancies?  Continuing the above example,
> >how do I find out which of the many possible packages is providing
> >mail-transport-agent on an installed system?
> >
> >(The actual problems at hand are with libraries, but the solution should
> >be the same, or similar enough.)
> 
> Install grep-dctrl and then you can use "grep-available -F Provides -s 
> Package mail-transport-agent"

... and, if you want just installed packages, something like this should
do:

  grep-status -FStatus 'ok installed' | \
    grep-dctrl -FProvides -nsPackage mail-transport-agent

-- 
Colin Watson                                  [cjwatson@flatline.org.uk]