linux-kernel - Re: [PATCH 1/7] kbuild: do not put .scmversion into the source tarball

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Date:   Sun, 29 Jan 2023 22:29:12 +0100
From:   Nicolas Schier <nicolas@...sle.eu>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH 1/7] kbuild: do not put .scmversion into the source
 tarball

On Sun 22 Jan 2023 23:14:21 GMT, Masahiro Yamada wrote:
> .scmversion is used by (src)rpm-pkg and deb-pkg to carry 
> KERNELRELEASE.
> 
> In fact, deb-pkg does not rely on it any more because the generated
> debian/rules specifies KERNELRELEASE from the command line.
> 
> Do likwise for (src)rpm-pkg, and remove this feature.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  scripts/Makefile.package |  6 ++----
>  scripts/package/mkspec   |  6 +++---
>  scripts/setlocalversion  | 19 +------------------
>  3 files changed, 6 insertions(+), 25 deletions(-)
> 
> diff --git a/scripts/Makefile.package b/scripts/Makefile.package
> index 525a2820976f..e84c4e8ceb8e 100644
> --- a/scripts/Makefile.package
> +++ b/scripts/Makefile.package
> @@ -32,7 +32,7 @@ export KDEB_SOURCENAME
>  TAR_CONTENT := Documentation LICENSES arch block certs crypto drivers fs \
>                 include init io_uring ipc kernel lib mm net rust \
>                 samples scripts security sound tools usr virt \
> -               .config .scmversion Makefile \
> +               .config Makefile \
>                 Kbuild Kconfig COPYING $(wildcard localversion*)
>  MKSPEC     := $(srctree)/scripts/package/mkspec
>  
> @@ -47,10 +47,8 @@ if test "$(objtree)" != "$(srctree)"; then \
>  	echo >&2; \
>  	false; \
>  fi ; \
> -$(srctree)/scripts/setlocalversion --save-scmversion; \
>  tar -I $(KGZIP) -c $(RCS_TAR_IGNORE) -f $(2).tar.gz \
> -	--transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3); \
> -rm -f $(objtree)/.scmversion
> +	--transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3)
>  
>  # rpm-pkg
>  # ---------------------------------------------------------------------------
> diff --git a/scripts/package/mkspec b/scripts/package/mkspec
> index adab28fa7f89..d3c6701b7769 100755
> --- a/scripts/package/mkspec
> +++ b/scripts/package/mkspec
> @@ -90,7 +90,7 @@ $S	rm -f scripts/basic/fixdep scripts/kconfig/conf
>  $S	rm -f tools/objtool/{fixdep,objtool}
>  $S
>  $S	%build
> -$S	$MAKE %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
> +$S	$MAKE %{?_smp_mflags} KERNELRELEASE=%{version} KBUILD_BUILD_VERSION=%{release}
>  $S
>  	%install
>  	mkdir -p %{buildroot}/boot
> @@ -101,8 +101,8 @@ $S
>  	%else
>  	cp \$($MAKE -s image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
>  	%endif
> -$M	$MAKE %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} modules_install
> -	$MAKE %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
> +$M	$MAKE %{?_smp_mflags} KERNELRELEASE=%{version} INSTALL_MOD_PATH=%{buildroot} modules_install
> +	$MAKE %{?_smp_mflags} KERNELRELEASE=%{version} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
>  	cp System.map %{buildroot}/boot/System.map-$KERNELRELEASE
>  	cp .config %{buildroot}/boot/config-$KERNELRELEASE
>  $S$M	rm -f %{buildroot}/lib/modules/$KERNELRELEASE/build
> diff --git a/scripts/setlocalversion b/scripts/setlocalversion
> index af4754a35e66..3b31702b4a4a 100755
> --- a/scripts/setlocalversion
> +++ b/scripts/setlocalversion
> @@ -11,16 +11,11 @@
>  #
>  
>  usage() {
> -	echo "Usage: $0 [--save-scmversion] [srctree]" >&2
> +	echo "Usage: $0 [srctree]" >&2

Hi Masahiro,

as .scmversion will not we generated (or removed by 'make clean' or 
'make mrproper'), might it make sense to add it to 
scripts/remove-stale-files?

Reviewed-by: Nicolas Schier <nicolas@...sle.eu>

Kind regards,
Nicolas

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