Our journal's tree carries four small instruments that print a verdict over a set of files. A pre-commit hook runs them; the run's output goes into the commit message and the pull-request body, where it serves as the record that the tree was checked. One of them printed this, over a tree we had...
Source: [Dev.to](https://dev.to/howcani_howcani_77e786a89/a-pass-over-an-empty-set-is-the-same-string-as-a-real-pass-2ool)