Re: [PATCH] hooks: add sendemail-validate-series

> When sending patch series (with a cover-letter or not)
> sendemail-validate is called with every email/patch file independently
> from the others. When the one of the patches depend on a previous one to
> apply, it may not be possible to use this hook in a meaningful way.
> 
> Changing sendemail-validate to take all patches as arguments would break
> backward compatibility.
> 
> Add a new hook to allow validating patch series instead of patch by
> patch. The patch files are provided in the hook script standard input.
> 
> git hook run cannot be used since it closes the hook standard input. Run
> the hook directly.
> 
> Signed-off-by: Robin Jarry <robin@jarry.cc>