Re: [PATCH v6 3/3] fast-import: add mode to sign commits with invalid signatures

> diff --git a/builtin/fast-import.c b/builtin/fast-import.c
> index b8a7757cfd..935e688e33 100644
> --- a/builtin/fast-import.c
> +++ b/builtin/fast-import.c
> @@ -2865,6 +2855,67 @@ static void handle_strip_if_invalid(struct strbuf *new_data,
>  		else
>  			warning(_("stripping invalid signature for commit\n"
>  				  "  allegedly by %s"), signer);
> +		break;
> +	case SIGN_SIGN_IF_INVALID:
> +		if (subject_len > 100)
> +			warning(_("replacing invalid signature for commit '%.100s...'\n"
> +				  "  allegedly by %s"), subject, signer);
> +		else if (subject_len > 0)
> +			warning(_("replacing invalid signature for commit '%.*s'\n"
> +				  "  allegedly by %s"), subject_len, subject, signer);
> +		else
> +			warning(_("replacing invalid signature for commit\n"
> +				  "  allegedly by %s"), signer);
> +		break;
> +	default:
> +		BUG("unsupported signing mode");
> +	}
> +}