Re: [PATCH v3] Add description of OFS_DELTA to the pack format description

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Peter Eriksen <s022018@xxxxxxxxxxxxxx> wrote:
> -	If it is DELTA, then
> +	If it is REF_DELTA, then
>  	  20-byte base object name SHA1 (the size above is the
>  		size of the delta data that follows).
>            delta data, deflated.
> +	If it is OFS_DELTA, then
> +	  n-byte offset (see below) interpreted as a negative
> +                offset from the type-byte of the header of the
> +                ofs-delta entry (the size above is the size of
> +                the delta data that follows).
> +          delta data, deflated.
> +
> +     offset encoding:
> +          n bytes with MSB set in all but the last one.
> +          The offset is then the number constructed by
> +          concatenating the lower 7 bit of each byte, and
> +          for n >= 2 adding 2^7 + 2^14 + ... + 2^(7*(n-1))
> +          to the result.
> +          

Yup.  :-)

Acked-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>

-- 
Shawn.
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