linux-kernel - Re: [PATCH] scripts: add generic install.sh

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAK7LNASHob175t86dQ4o9x7_ZGTis-_GL5QcWcT75FzJ0vryWg@mail.gmail.com>
Date:   Sat, 28 Aug 2021 00:14:38 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     nicolas@...sle.eu
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scripts: add generic install.sh

On Thu, Aug 26, 2021 at 5:25 AM Nicolas Schier <nicolas@...sle.eu> wrote:
>
> On Wed, 25 Aug 2021 01:50:24 +0900 Masahiro Yamada wrote:
> > Many architectures has a similar install.sh script.
> >
> > The first half is really generic; ensures the kernel image and the map
> > file exist, then invokes ~/bin/${INSTALLKERNEL} or /sbin/${INSTALLKERNEL}
> > if available.
> >
> > The second half is kind of arch-specific. It just copies the kernel image
> > and map file to the destination, but the code is slightly different.
> > (Maybe, this part can be consolidated as well if we want).
> >
> > This patch factors out the generic part into scripts/install.sh, which
> > will architectures to drop the duplicated code.
>       ^
> I am afraid, a word is missing here, e.g.:
> ... which will allow architectures to drop ...?

Yes, I meant "will allow architectures to ..."
I just noticed after the submission.



> >
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> > ---
> >
> >  Makefile           |  8 ++++++++
> >  scripts/install.sh | 43 +++++++++++++++++++++++++++++++++++++++++++
> >  2 files changed, 51 insertions(+)
> >  create mode 100755 scripts/install.sh
> >
> > diff --git a/Makefile b/Makefile
> > index 185ce47d6734..725eadc4fcb8 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1325,6 +1325,14 @@ scripts_unifdef: scripts_basic
> >
> >  install: sub_make_done :=
> >
> > +# Install $(KBUILD_IMAGE) by default.
> > +# If necessary, override install-image per target.
> > +install-image = $(KBUILD_IMAGE)
> > +
> > +quiet_cmd_install = INSTALL $(INSTALL_PATH)
> > +      cmd_install = scripts/install.sh $(KERNELRELEASE) $(install-image) \
> > +                     System.map "$(INSTALL_PATH)"
> > +
> >  # ---------------------------------------------------------------------------
> >  # Tools
> >
> > diff --git a/scripts/install.sh b/scripts/install.sh
> > new file mode 100755
> > index 000000000000..6ac0e0c0f078
> > --- /dev/null
> > +++ b/scripts/install.sh
> > @@ -0,0 +1,43 @@
> > +#!/bin/sh
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +#
> > +# This file is subject to the terms and conditions of the GNU General Public
> > +# License.  See the file "COPYING" in the main directory of this archive
> > +# for more details.
> > +#
> > +# Copyright (C) 1995 by Linus Torvalds
> > +#
> > +# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
> > +#
> > +# Arguments:
> > +#   $1 - kernel version
> > +#   $2 - kernel image file
> > +#   $3 - kernel map file
> > +#   $4 - default install path (blank if root directory)
> > +
> > +verify () {
> > +     if [ ! -f "$1" ]; then
> > +             echo >&2
> > +             echo >&2 " *** Missing file: $1"
> > +             echo >&2 ' *** You need to run "make" before "make install".'
> > +             echo >&2
> > +             exit 1
> > +     fi
> > +}
> > +
> > +# Make sure the files actually exist
> > +verify "$2"
> > +verify "$3"
> > +
> > +# User/arch may have a custom install script
> > +
> > +for script in "~/bin/${INSTALLKERNEL}" "/sbin/${INSTALLKERNEL}" \
>
> Quoted ~ will not be expanded.  Either you need to put the leading ~/
> before the quotes, or replace it by ${HOME}.

A good catch, thank you.




>
> Reviewed-by: Nicolas Schier <nicolas@...sle.eu>
>
> > +             "arch/${SRCARCH}/install.sh" "arch/${SRCARCH}/boot/install.sh"
> > +do
> > +     if [ -x "${script}" ]; then
> > +             exec "${script}" "$@"
> > +     fi
> > +done
> > +
> > +echo "No install script found" >&2
> > +exit 1
> > --
> > 2.30.2
> >



-- 
Best Regards
Masahiro Yamada