nix run nixpkgs#silver-searcher -- -G '\.nix$' -0l 'description.*"[Aa]n?' pkgs \ | xargs -0 nix run nixpkgs#gnused -- -i '' -Ee 's/(description.*")[Aa]n? (.)/\1\U\2/'
checkInputs used to be added to nativeBuildInputs. Now we have nativeCheckInputs to do that instead. Doing this treewide change allows to keep hashes identical to before the introduction of nativeCheckInputs.