.git-blame-ignore-revs, while great, unfortunately belongs in the “Other Conventions” section.
If you configure your git client to use it, git blame will fail in any repository in which one is not present.
As of git 2.52, it's possible to use (:optional) to avoid errors in repositories that don't have this file https://stackoverflow.com/a/79824780
As of git 2.52, it's possible to use (:optional) to avoid errors in repositories that don't have this file https://stackoverflow.com/a/79824780