Use Err prefix for errors

Proprietary

Find package-level error variables not following the ErrFoo naming convention. Go convention is to prefix sentinel errors with "Err".

org.openrewrite.golang.codequality.UseErrPrefixForErrors

mod run . --recipe=org.openrewrite.golang.codequality.UseErrPrefixForErrors

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.