On Sun, May 24, 2009 at 9:47 PM, Armin Moradi <amoradi@xxxxxxxxxxxxxxxxx> wrote: > On Sun, May 24, 2009 at 8:45 PM, Rahul Sundaram > <sundaram@xxxxxxxxxxxxxxxxx> wrote: >> On 05/25/2009 05:11 AM, Kevin Kofler wrote: >>> Rahul Sundaram wrote: >>>> Take a look at the yum-plugin-remove-with-leaves. It does what you want. >>> >>> Well, it tries to. More often than not, it does the wrong thing (e.g. where >>> applications require other applications.) You can't even come close to >>> reliably solving this problem without tracking which packages were >>> installed explicitly and which were automatically installed as >>> dependencies, and remove-with-leaves doesn't even try to do that. And even >>> if you do that, you can end up removing stuff which wasn't supposed to be >>> removed. >> >> yum recently got the ability to track why a package was installed (via >> dependencies or directly etc) and I guess the plugin would be taking >> advantage of that >> >> http://lists.baseurl.org/pipermail/yum/2009-May/022725.html >> >> Rahul >> >> -- >> fedora-list mailing list >> fedora-list@xxxxxxxxxx >> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list >> Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines >> > > The idea of having a database for packages seems interesting. Maybe > if yum would > keep a counter for automatically installed packages in that database > and increment it > by one whenever you install another package that needs that package as > dependency > and also decrement it when you remove that package, yum would be able to remove > deps when the counter reaches zero? > > It goes like this: > I install a package foo, which installs bar and baz as deps (automatic install) > right now the counter for both bar and baz is 1. > > then I install foo2 which depends on bar only. The counter for bar is 2 and > the counter for baz is 1. > > then I remove foo, which has bar and baz as deps, if you decrement the > counter for both, bar will be 1, and baz will be 0, which means we can > now remove baz too! > > A proper database (e.g. sqlite) would help in this case rather than a simple > text file. > > -- > Armin Moradi > Oh, and I forgot to mention that if a package was installed directly, the counter would simply be something like -1, so it would never be implicitly removed as dependency. -- Armin Moradi -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
