Hi Nicolas and Joey, Nicolas Braud-Santoni <nicoo@debian.org> writes: > On Sat, Aug 31, 2019 at 03:57:07PM -0400, Joey Hess wrote: >> I accidentially installed debian 10.0 with gnome rather than xfce, so >> after the installation, I re-ran tasksel, unselected gnome, and selected >> xfce. >> [...] >> Tasksel probably removed task-gnome-desktop, but many of its >> dependencies appeared to still be installed. > > Yes, removing task-gnome-desktop won't do much if you do not run > `apt autoremove` or somesuch. > > Of course, making tasksel run autoremove would be a terrible idea, > since it might remove unrelated packages. > Agreed. > I'm not sure how that can be addressed, TBH. Maybe this?: 1. use changes their selection of desktop task. 2. tasksel gets a list of recursive dependencies for the task that is being removed. 3. the task is removed, but tasksel still has work to do... 4. the new desktop task is installed. 5. use a dry run of autoremove to get a list of packages that can be autoremoved 6. cut anything from the list at #5 that isn't in the list at #2 7. remove autoremovable packages that match the removed task What are the pitfalls with this method? Sadly I cannot volunteer for this work as I don't know Perl. Cheers, Nicholas
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