Re: [PATCH v6 09/19] fsck: Handle multiple authors in commits specially

[Junio C Hamano <gitster@xxxxxxxxx>]

Johannes Schindelin <johannes.schindelin@xxxxxx> writes:

>  	err = fsck_ident(&buffer, &commit->object, options);
>  	if (err)
>  		return err;
> +	while (skip_prefix(buffer, "author ", &buffer)) {
> +		err = report(options, &commit->object, FSCK_MSG_MULTIPLE_AUTHORS, "invalid format - multiple 'author' lines");
> +		if (err)
> +			return err;
> +		err = fsck_ident(&buffer, &commit->object, options);
> +		if (err)
> +			return err;
> +	}

Hmph, naively I would have expected that you wouldn't need an
extra call to fsck_ident() here, and instead would see something
like this:

	author_count = 0;
	while (skip_prefix("author ")) {
        	author_count++;
                ... do the existing check as-is ...
	}
        if (author_count < 1)
        	err |= report(missing author);
	else if (author_count > 1)
        	err |= report(multiple authors);

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