Re: [PATCH] [RFC] Making use of bitmaps for thin objects

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On Mon, Jan 06, 2014 at 09:57:23AM -0500, Jeff King wrote:

> diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
> index c733379..0cff874 100644
> --- a/builtin/pack-objects.c
> +++ b/builtin/pack-objects.c
> @@ -1402,6 +1402,19 @@ static void check_object(struct object_entry *entry)
>  			base_entry->delta_child = entry;
>  			unuse_pack(&w_curs);
>  			return;
> +		} else if(base_ref && bitmap_have(base_ref)) {
> +			entry->type = entry->in_pack_type;
> +			entry->delta_size = entry->size;
> +			/*
> +			 * XXX we'll leak this, but it's probably OK
> +			 * since we'll exit immediately after the packing
> +			 * is done
> +			 */
> +			entry->delta = xcalloc(1, sizeof(*entry->delta));
> +			hashcpy(entry->delta->idx.sha1, base_ref);
> +			entry->delta->preferred_base = 1;
> +			unuse_pack(&w_curs);
> +			return;
>  		}

Just reading over this again, the conditional here should obviously be
checking "thin" (which needs to become a global, as in your patch).

-Peff
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