Subject: Re: [PATCH 2/2] combine-diff: speed it up, by using multiparent diff tree-walker directly

From: Junio C Hamano <[email-masked]>
Date: Thu, 13 Feb 2014 11:55:08 -0800

Kirill Smelkov <[email-masked]> writes:

> +	if (need_generic_pathscan) {
> +		/* NOTE generic case also handles --stat, as it computes
> +		 * diff(sha1,parent_i) for all i to do the job, specifically
> +		 * for parent0.
> +		 */
> +		paths = find_paths_generic(sha1, parents, &diffopts);
> +	}
> +	else {
> +		paths = find_paths_multitree(sha1, parents, &diffopts);
> +
> +		/* show stat against the first parent even
> +		 * when doing combined diff.
> +		 */
> +		int stat_opt = (opt->output_format &
> +				(DIFF_FORMAT_NUMSTAT|DIFF_FORMAT_DIFFSTAT));

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