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Description
Problem Statement
Sometimes you just want to make a change to some part of tox.jinja that is not toxgen-generated. In order to propagate this to tox.ini, you now can either do it manually (copy-paste) or run generate-test-files, but the latter will also attempt to update all toxgen-managed test definitions.
Solution Brainstorm
Add a no-update mode to toxgen that skips all fetching of new packages and just regens tox.ini with current data.