linux-kernel - Re: [PATCH v2] kbuild: gitignore output directory

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Date:   Tue, 5 Feb 2019 17:15:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Vladimir Kondratiev <vladimir.kondratiev@...el.com>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        Vladimir Kondratiev <vladimir.kondratiev@...ux.intel.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] kbuild: gitignore output directory

On Sun, Feb 3, 2019 at 5:50 PM Vladimir Kondratiev
<vladimir.kondratiev@...el.com> wrote:
>
> From: Vladimir Kondratiev <vladimir.kondratiev@...ux.intel.com>
>
> When compiling into output directory using O=, many files
> created under KBUILD_OUTPUT that git considers
> as new ones; git clients, ex. "git gui" lists it, and it clutters
> file list making it difficult to see what was really changed
>
> Generate .gitignore in output directory that ignores all
> its content
>
> Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@...ux.intel.com>
> ---

Applied to linux-kbuild.

Thanks.


>  Makefile | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index 141653226f3c..b1d651e822b1 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -483,10 +483,13 @@ PHONY += outputmakefile
>  # outputmakefile generates a Makefile in the output directory, if using a
>  # separate output directory. This allows convenient use of make in the
>  # output directory.
> +# At the same time when output Makefile generated, generate .gitignore to
> +# ignore whole output directory
>  outputmakefile:
>  ifneq ($(KBUILD_SRC),)
>         $(Q)ln -fsn $(srctree) source
>         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
> +       $(Q){ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
>  endif
>
>  ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
> --
> 2.19.1
>
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-- 
Best Regards
Masahiro Yamada