Jan Tojnar 2e0c34649b maintainers/scripts/update.nix: Fix reverse toposort with independent packages ...

When updating GNOME packages in reverse topological order using the following command:

    nix-shell maintainers/scripts/update.nix --arg predicate '(path: pkg: builtins.any (team: team.shortName == "GNOME") pkg.meta.teams or [])' --argstr order reverse-topological

the `update.py` script would crash with `ValueError` on calling `ordered.index("adwaita-fonts")`.

This happened because the `adwaita-fonts` does not depend on any other GNOME package, nor it is depended upon by one.
As a result, it had been discarded by the `reverse_edges` function.

Co-authored-by: Philip Taron <philip.taron@gmail.com>

2025-05-07 00:49:25 +02:00

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