[OE-core] why does using a "revision" prevent downloading during a parse?

[McClintock Matthew-B29882]

On Wed, Aug 22, 2012 at 8:11 PM, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
>
>   certainly about to embarrass myself again, but from
> u-boot_2011.06.bb:
>
> ...
> # This revision corresponds to the tag "v2011.06"
> # We use the revision in order to avoid having to fetch it from the repo during parse
> SRCREV = "b1af6f532e0d348b153d5c148369229d24af361a"
>
> PV = "v2011.06+git${SRCPV}"
> ...
>
>   i don't know what that means -- how does using that "revision"
> prevent fetching?  i would simply have defined the SRC_URI using the
> tag value, so i'm not sure what benefit i'm getting out of the above.

You should look for the patch that made that change and read the commit message.

-M

>
> rday
>
> --
>
> ========================================================================
> Robert P. J. Day                                 Ottawa, Ontario, CANADA
>                         http://crashcourse.ca
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