Re: [PATCH v2] userdiff: Add a builtin pattern for dts files

> The Linux kernel receives many patches to the devicetree files each
> release. The hunk header for those patches typically show nothing,
> making it difficult to figure out what node is being modified without
> applying the patch or opening the file and seeking to the context. Let's
> add a builtin 'dts' pattern to git so that users can get better diff
> output on dts files when they use the diff=dts driver.
> 
> The regex has been constructed based on the spec at devicetree.org[1]
> 
> [1] https://github.com/devicetree-org/devicetree-specification/releases/latest
> 
> Cc: Rob Herring <robh+dt@kernel.org>
> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
> ---
> 
> Sending this again after getting feedback and it getting stuck in
> review[1]. I'm not sure what happened with the meta question from Junio
> to add a way for various projects to introduce their own patterns,

> but
> I'd still prefer to have this in git proper because the kernel uses git
> extensively and we rely on git formatted patches in our workflow. I
> recently reviewed a dts change and remembered this never got accepted.
> 
> Changes from v1:
>  * Updated regex to handle anything after node names instead of
>    requiring a '{'
>  * Updated test for boolean relation operators
>  * Sent out a patch to devicetree spec to document % operator
> 
> [1] Feedback was in 16335abe-5e7e-fd7a-25f4-373f94e176e1@gmail.com
> 
>  -%<-