When I call ruff . it finished in 0.15s on my repo, but ruff --fix . takes >2.5s, even if there are no lint errors and nothing to fix. Is it safe to always call ruff . and run it again with --fix only when the are some fixable issues? If so then maybe there is some room for improvement in ruff itself?

My use case was that we have replaced isort (and few other tools) with ruff --fix and it is much faster, but I was looking into speeding it up even more. We run black && ruff --fix, black takes 0.8s and I hoped to speed it up with ruff format, but then noticed that ruff --fix takes most of the execution time.