[OE-core] [PATCH] devtool-source.bbclass: Only create each patch branch once

[Olof Johansson]

On 18-10-19 18:00 +0200, Olof Johansson wrote:
> For conditonally applied patches based on SRC_URI overrides, the
> devtool-source class would try to create a new branch for each override
> assignment as a postfunc to do_patch, but if the same override was used
> multiple times, it would try to create the same branch multiple times,

Oops, this should have been a v2; should i repost? I'll repost
now, but let me know if this is redundant.

-- 
olofjn