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

[Richard Purdie]

On Wed, 2018-10-10 at 17:35 +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,
> causing errors like
> 
> > Exception: bb.process.ExecutionError: Execution of
> 
> \   'git checkout f0f0f0f0f0ff0f0f0f0f0f0f0f0f0f0f0ff0f0f0 -b
> devtool-override-foo'
> \   failed with exit code 128:
> > fatal: A branch named 'devtool-override-foo' already exists.
> 
> This change makes sure that the devtool-source bbclass will only
> create
> one branch per override.
> 
> Change-Id: I8adca0b54179793ca92478ad5b3b1b6e0448e26b
> Signed-off-by: Olof Johansson <olofjn at axis.com>
> ---
>  meta/classes/devtool-source.bbclass | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)

This breaks the oe-selftest devtool tests:

https://autobuilder.yoctoproject.org/typhoon/api/v2/logs/46751/raw

oe-selftest -r devtool

should reproduce.

Cheers,

Richard