linux-kernel - Re: [PATCH v2] kheaders: ignore and clean temporary kheaders

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Message-ID: <20230118005830.pqupfqnwwkd64q3g@t-8ch.de>
Date:   Wed, 18 Jan 2023 00:58:30 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Nicolas Schier <n.schier@....de>
Subject: Re: [PATCH v2] kheaders: ignore and clean temporary kheaders_data
 directory

On Tue, Jan 17, 2023 at 11:24:47PM +0900, Masahiro Yamada wrote:
> On Tue, Jan 17, 2023 at 10:50 PM Thomas Weißschuh <linux@...ssschuh.net> wrote:
> >
> > If the kheaders archive generation is interrupted then this directory
> > may be left.
> > Ignore it, it will be deleted by the next run of kernel/gen_kheaders.sh.
> > Also add it to clean-files so it can be cleaned up by make.
> >
> > Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> 
> 
> Or, just rename the temporary directory.
> For example,
> 
>   cpio_dir=$outdir/$(dirname $tarfile)/.tmp_cpio_dir
> 
> 
> 
> Dot files are ignored.
> 'make clean' removes the .tmp_* pattern.

This sounds great.

Unfortunately 'make clean' only cleans files and not directories based
on this pattern.

Should it be extended?

> > ---
> > Changes in v2:
> > - Also add the directory to clean-files
> > - Link to v1: https://lore.kernel.org/r/20230117-kernel-kheaders-gitignore-v1-1-2a3a070efd0d@weissschuh.net
> > ---
> >  kernel/.gitignore | 1 +
> >  kernel/Makefile   | 2 +-
> >  2 files changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/kernel/.gitignore b/kernel/.gitignore
> > index c6b299a6b786..57ab1d703763 100644
> > --- a/kernel/.gitignore
> > +++ b/kernel/.gitignore
> > @@ -1,3 +1,4 @@
> >  # SPDX-License-Identifier: GPL-2.0-only
> >  /config_data
> >  /kheaders.md5
> > +/kheaders_data.tar.xz.tmp/
> > diff --git a/kernel/Makefile b/kernel/Makefile
> > index 10ef068f598d..f3535944f635 100644
> > --- a/kernel/Makefile
> > +++ b/kernel/Makefile
> > @@ -156,4 +156,4 @@ quiet_cmd_genikh = CHK     $(obj)/kheaders_data.tar.xz
> >  $(obj)/kheaders_data.tar.xz: FORCE
> >         $(call cmd,genikh)
> >
> > -clean-files := kheaders_data.tar.xz kheaders.md5
> > +clean-files := kheaders_data.tar.xz kheaders.md5 kheaders_data.tar.xz.tmp
> >
> > ---
> > base-commit: d532dd102151cc69fcd00b13e5a9689b23c0c8d9
> > change-id: 20230117-kernel-kheaders-gitignore-f0d73456cb6b
> >
> > Best regards,
> > --
> > Thomas Weißschuh <linux@...ssschuh.net>