Quoting Toerless Eckert (2018-02-19 19:47:45) > So i guess "aptitude" failed for me because i had already removed > deb-multimedia from the repository. And the documentation seems to > indicate debian does actually remember where the package was installed > from. And seemingly you can list automatically installed packages as > well. Let me exercise add/delete deb-multimedia again to see how to > update the wiki doc to help others be more successful first time > around than me. > > But i am bit worried to understand how this all works. If aptitude > could not find the installed packages origin with that search term > because i had removed the repo from sources.list, that sounds as if > the metadata where a package is from is not remembered with the > installed package, but just correlated with the metadata from the > source.list info. > > In other words: if two repos had the same package, it sounds almost as > if i could just identify which the first repo is that would be used to > install the package, but not actually the repo from which it really > was installed - if sources.list might have changed since installation. Correct: APT is a central registry for installing packages from multiple origins. If you remove knowledge about some origins then that information is gone. Another system - DPKG - is a central registry of packages installed. DPKG does *not* know anything about origins of packages. > [ Let me know what if any better mailing list one should use for these > package management questions, as this is all not related to anything > multimedia specifics anymore, and i would be happy to to have a > non-multimedia specific wiki page to explain it, and just have > debian multipmedia point to that. ] If you are into irc, you might try ask at #packaging on OFTC.net. Or maybe ask at debian-devel@lists.debian.org - Jonas -- * Jonas Smedegaard - idealist & Internet-arkitekt * Tlf.: +45 40843136 Website: http://dr.jones.dk/ [x] quote me freely [ ] ask before reusing [ ] keep private
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