What does this PR change? What problem does it solve? ----------------------------------------------------- Was the change previously discussed in an issue or on the forum? ---------------------------------------------------------------- Checklist --------- - [ ] I have added tests for all code changes. - [ ] I have added documentation for relevant changes (in the manual). - [ ] There's a new file in `changelog/unreleased/` that describes the changes for our users (see [template](https://github.com/restic/restic/blob/master/changelog/TEMPLATE)). - [ ] I'm done! This pull request is ready for review.