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From: "Rob Herring" <robh@kernel.org>
Date: Wed, 6 May 2020 14:23:16 -0500
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Subject: Re: [kernel.org users] b4 v0.4.0 available with new features
To: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: users@linux.kernel.org, tools@linux.kernel.org
Content-Type: text/plain; charset="UTF-8"

On Fri, Apr 24, 2020 at 12:04 PM Konstantin Ryabitsev
<konstantin@linuxfoundation.org> wrote:
>
> Hi, all:
>
> I am happy to release b4 version 0.4.0 that contains a set of
> improvements and new features. To upgrade from pypi, run:
>
> pip install --upgrade --user b4
>
> Or you can clone the repository directly:
> git clone https://git.kernel.org/pub/scm/utils/b4/b4.git -b stable-0.4.y b4
>
> You can run ./b4.sh from the repository or set an alias/symlink to that
> wrapper.
>
> # Improvements
>
> - When a series is missing patches, b4 is now able to backfill them from
>   other mailing lists tracked on lore.kernel.org. This feature will be
>   improved when public-inbox is able to collect a thread from across all
>   sources.
> - If both patch and metadata are identical between rerolls (v1 -> v2),
>   b4 will automatically carry over trailers from v1 to v2. This is handy
>   if there is an sob on [PATCH v2 7/15] from a maintainer that is
>   missing from an identical [PATCH v3 7/15]. In my observation, this
>   happens very rarely, though.
> - Many bugfixes that were also backported into stable-0.3.y.

I found a minor issue on patches with no 'To' header. They end up with this:

To: unlisted-recipients: no To-header on input <;

However, that appears to be a public-inbox problem as it's on there
too. Here's an example[1].

Rob

[1] https://lore.kernel.org/linux-devicetree/20200506010809.6348-2-i.mikhaylov@yadro.com/