On Thu 10 Aug 2023, at 18:54, Sven Joachim <[email protected]> wrote: > On 2023-08-10 09:30 -0500, David Wright wrote: > >>> I was looking for a way to list packages installed from a particular >>> repo and/or sub-repo or whatever it's called (eg. main, non-free). >>> >>> Does anyone know of a way to do this, with apt policy or otherwise? >> >> What I do in this situation is to type "apt" and press TAB twice. >> Look at the resulting list of commands and check the man page for >> the most likely looking, in this case apt-cache. >> >> An alternative method of course is to type apt policy into any >> search engine. This will typically tell you not only how to invoke >> the command, but also more about what it produces. >> >> As for your listing, I've done this in the past with a script that >> runs apt-cache dump, grepping the Package/Version/File lines, >> concatenating and sorting them, then filtering that list against >> the output of dpkg-query -W -f to include only installed packages. >> This yields a list like: >> >> Package: acl Version: 2.2.53-10 File: >> /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_binary-amd64_Packages >> Package: adduser Version: 3.118 File: >> /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_binary-amd64_Packages >> [ … … ] >> Package: xtoolwait Version: 1.3-6.2 File: /var/lib/dpkg/status >> [ … … ] >> Package: yt-dlp Version: 2023.03.04-1~bpo11+1 File: /var/lib/dpkg/status >> >> which you can grep for particular subsets, though I'm usually more >> interested in grep -v for packages originating from elsewhere, >> like xtoolwait (squeeze) and yt-dlp (backports) there. >> >> There may well be better ways. > > I would probably use "apt list" with a search pattern described in > apt-patterns(7), e.g. the following command lists all installed packages > from non-free: > > $ apt list '~i ~snon-free/' > > Lots of interesting possibilities one can toy with. :-)
I will look into both approaches - my thanks to you and David. G
