Re: [PATCH] ident: say whose identity is missing when giving user.name hint

>     If `user.name` and `user.email` have not been configured and the
>     user invokes:
>
>         git commit --author=...
>
>     without without specifying `--committer=`, then Git errors out
>     with a message asking the user to configure `user.name` and
>     `user.email` but doesn't tell the user which attribution was
>     missing. This can be confusing for a user new to Git who isn't
>     aware of the distinction between user, author, and committer.
>     Give such users a bit more help by extending the error message to
>     also say which attribution is expected.