Re: [PATCH] .gitignore: Keep track of archived files as they are added to a new git repo

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On Mon, Jan 30, 2023 at 6:04 PM Like Xu <like.xu.linux@xxxxxxxxx> wrote:
>
> From: Like Xu <likexu@xxxxxxxxxxx>
>
> With thousands of commits going into mainline each development cycle,
> the metadata .git folder size is gradually expanding (1GB+), and for some
> developers (most likely testers) who don't care about the lengthy git-log,
> they just use git-archive to distribute a certain version of code (~210MB)
> and rebuild git repository from anywhere for further code changes, e.g.
>
>   $ git init && git add . -A
>
> Then unfortunately, the file tracking metadata from the original git-repo
> using "git add -f" will also be lost, to the point where part of source
> files wrapped by git-archive may be accidentally cleaned up:
>
>   $ git clean -nxdf
>   Would remove Documentation/devicetree/bindings/.yamllint
>   Would remove drivers/clk/.kunitconfig
>   Would remove drivers/gpu/drm/tests/.kunitconfig
>   Would remove drivers/hid/.kunitconfig
>   Would remove fs/ext4/.kunitconfig
>   Would remove fs/fat/.kunitconfig
>   Would remove kernel/kcsan/.kunitconfig
>   Would remove lib/kunit/.kunitconfig
>   Would remove mm/kfence/.kunitconfig
>   Would remove tools/testing/selftests/arm64/tags/
>   Would remove tools/testing/selftests/kvm/.gitignore
>   Would remove tools/testing/selftests/kvm/Makefile
>   Would remove tools/testing/selftests/kvm/config
>   Would remove tools/testing/selftests/kvm/settings
>
> This asymmetry is very troubling to those users since finding out which
> files to track with "git add -f" clearly requires priori knowledge on
> various subsystems. The eradication of this little issue requires naturally
> making git-init aware of all .gitignore restrictions at different file tree
> hierarchies. Similar issues can be troubleshot with "git check-ignore -v"
> for any mistakenly cleaned files.
>
> Signed-off-by: Like Xu <likexu@xxxxxxxxxxx>



tools/testing/selftests/kvm/.gitignore is already meh.

I hope somebody will submit a better fix.




> ---
>  .gitignore                               | 2 ++
>  tools/testing/selftests/arm64/.gitignore | 2 ++
>  tools/testing/selftests/kvm/.gitignore   | 4 ++++
>  3 files changed, 8 insertions(+)
>  create mode 100644 tools/testing/selftests/arm64/.gitignore
>
> diff --git a/.gitignore b/.gitignore
> index 20dce5c3b9e0..fa39e98caee3 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -102,6 +102,8 @@ modules.order
>  !.gitignore
>  !.mailmap
>  !.rustfmt.toml
> +!.yamllint
> +!.kunitconfig
>
>  #
>  # Generated include files
> diff --git a/tools/testing/selftests/arm64/.gitignore b/tools/testing/selftests/arm64/.gitignore
> new file mode 100644
> index 000000000000..135d709d2d65
> --- /dev/null
> +++ b/tools/testing/selftests/arm64/.gitignore
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +!tags
> diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
> index 6d9381d60172..96561c8e06e0 100644
> --- a/tools/testing/selftests/kvm/.gitignore
> +++ b/tools/testing/selftests/kvm/.gitignore
> @@ -5,3 +5,7 @@
>  !*.h
>  !*.S
>  !*.sh
> +!.gitignore
> +!Makefile
> +!settings
> +!config
> \ No newline at end of file
> --
> 2.39.1
>


-- 
Best Regards
Masahiro Yamada



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