linux-kernel - Re: [PATCH 1/4] kbuild: rpm-pkg: do not include depmod-generated files

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Message-ID: <20240206013508.GA3151678@dev-arch.thelio-3990X>
Date: Mon, 5 Feb 2024 18:35:08 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: linux-kbuild@...r.kernel.org, Nicolas Schier <nicolas@...sle.eu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] kbuild: rpm-pkg: do not include depmod-generated
 files

On Fri, Feb 02, 2024 at 10:35:17PM +0900, Masahiro Yamada wrote:
> Installing the kernel package is fine, but when uninstalling it, the
> following warnings are shown:
> 
>   warning: file modules.symbols.bin: remove failed: No such file or directory
>   warning: file modules.symbols: remove failed: No such file or directory
>   warning: file modules.softdep: remove failed: No such file or directory
>   warning: file modules.devname: remove failed: No such file or directory
>   warning: file modules.dep.bin: remove failed: No such file or directory
>   warning: file modules.dep: remove failed: No such file or directory
>   warning: file modules.builtin.bin: remove failed: No such file or directory
>   warning: file modules.builtin.alias.bin: remove failed: No such file or directory
>   warning: file modules.alias.bin: remove failed: No such file or directory
>   warning: file modules.alias: remove failed: No such file or directory
> 
> The %preun scriptlet runs 'kernel-install remove', which in turn invokes
> /usr/lib/kernel/install.d/50-depmod.install to remove those files before
> the actual package removal.
> 
> RPM-based distributions do not ship files generated by depmod. Mark them
> as %ghost in order to exclude them from the package, but still claim the
> ownership on them.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>

Tested-by: Nathan Chancellor <nathan@...nel.org>

> ---
> 
>  scripts/package/kernel.spec | 22 +++++++++++++++++++---
>  1 file changed, 19 insertions(+), 3 deletions(-)
> 
> diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
> index f58726671fb3..aaedb6d1b26f 100644
> --- a/scripts/package/kernel.spec
> +++ b/scripts/package/kernel.spec
> @@ -66,6 +66,20 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA
>  %{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}'
>  %endif
>  
> +{
> +	for x in System.map config kernel modules.builtin \
> +			modules.builtin.modinfo modules.order vmlinuz; do
> +		echo "/lib/modules/%{KERNELRELEASE}/${x}"
> +	done
> +
> +	for x in alias alias.bin builtin.alias.bin builtin.bin dep dep.bin \
> +					devname softdep symbols symbols.bin; do
> +		echo "%ghost /lib/modules/%{KERNELRELEASE}/modules.${x}"
> +	done
> +
> +	echo "%exclude /lib/modules/%{KERNELRELEASE}/build"
> +} > %{buildroot}/kernel.list
> +
>  %clean
>  rm -rf %{buildroot}
>  
> @@ -78,6 +92,9 @@ for file in vmlinuz System.map config; do
>  		cp "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"
>  	fi
>  done
> +if [ ! -e "/lib/modules/%{KERNELRELEASE}/modules.dep" ]; then
> +	/usr/sbin/depmod %{KERNELRELEASE}
> +fi
>  
>  %preun
>  if [ -x /sbin/new-kernel-pkg ]; then
> @@ -91,10 +108,9 @@ if [ -x /sbin/update-bootloader ]; then
>  /sbin/update-bootloader --remove %{KERNELRELEASE}
>  fi
>  
> -%files
> +%files -f %{buildroot}/kernel.list
>  %defattr (-, root, root)
> -/lib/modules/%{KERNELRELEASE}
> -%exclude /lib/modules/%{KERNELRELEASE}/build
> +%exclude /kernel.list
>  
>  %files headers
>  %defattr (-, root, root)
> -- 
> 2.40.1
>