On Tue, 2025-09-02 at 12:58 -0600, Jonathan Corbet wrote: > > > > The idea is not to override the search path: instead, to use it to > > check if the user installed other /usr/bin/python3.* files (or on > > some other part of PATH). Most distributions nowadays come with > > multiple python versions. I can't see a downside (*) of not using > > a newer version that the user had installed on his system and > > has it on PATH. > > But overriding the path is exactly what this would be doing. It doesn't > seem right to say "we know better than you do" and circumvent the > configured path; the user may well have reasons for setting things up > the way they did. Absolutely! Please don't ever do this. For example, use case we have: using nix-shell to lock down the software used to build, for reproducible builds and similar reasons. Without -- pure, PATH may still contain (last!) software from the system itself, but it should basically never be used. johannes
