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https://github.com/SCST-project/scst.git
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414221d1c8
git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.0.0.x@3176 d57e44dd-8a1f-0410-8b47-8ef2f437770f
122 lines
3.1 KiB
Bash
Executable File
122 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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#
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# Script for generating a kernel source tree with the SCST patches applied.
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#
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# Copyright (C) 2010 Bart Van Assche <bvanassche@acm.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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############################################################################
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########################
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# Function definitions #
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########################
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function usage {
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echo "Usage: $0 <kernel version>"
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}
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# First three components of the kernel version number.
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function kernel_version {
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echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\).*$/\1/p'
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}
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# Last component of the kernel version, or the empty string if $1 has only
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# three components.
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function patchlevel {
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echo "$1" | sed -n 's/^\([0-9]*\.[0-9]*\.[0-9]*\)[.-]\(.*\)$/\2/p'
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}
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# Download the file from URL $1 and save it in the current directory.
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function download_file {
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if [ ! -e "$(basename "$1")" ]; then
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if [ "${quiet_download}" = "false" ]; then
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echo "Downloading $1 ..."
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fi
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if ! wget -q -nc "$1"; then
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echo "Downloading $1 failed."
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return 1
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fi
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fi
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}
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# Make sure the kernel tarball and patch file are present in directory
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# ${kernel_sources}. Download any missing files from ${kernel_mirror}.
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function download_kernel {
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local kver="$(kernel_version $1)"
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local plevel="$(patchlevel $1)"
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mkdir -p "${kernel_sources}" || return $?
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test -w "${kernel_sources}" || return $?
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(
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cd "${kernel_sources}" || return $?
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download_file "${kernel_mirror}/linux-$(kernel_version $1).tar.bz2" \
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|| return $?
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if [ "${plevel}" != "" ]; then
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download_file "${kernel_mirror}/patch-$1.bz2" || return $?
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fi
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)
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}
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#########################
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# Argument verification #
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#########################
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set -e
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if [ "$1" = "" ]; then
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echo "Error: missing kernel version argument."
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exit 1
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fi
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##########################
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# Kernel tree generation #
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##########################
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kernel_mirror="ftp://ftp.eu.kernel.org/pub/linux/kernel/v2.6"
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kernel_sources="$HOME/software/downloads"
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scriptname="$0"
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if [ "${scriptname#/}" = "${scriptname}" ]; then
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scriptname="$PWD/$scriptname"
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fi
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target="linux-$1"
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kernel_version="$(kernel_version "$1")"
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patchlevel="$(patchlevel "$1")"
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download_kernel "$1"
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mkdir "${target}" || exit $?
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cd "${target}" || exit $?
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tar --strip-components=1 -xjf "${kernel_sources}/linux-${kernel_version}.tar.bz2"
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if [ ! -z "$patchlevel" ]; then
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echo "==== ${kernel_sources}/patch-$1.bz2"
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bzip2 -cd < "${kernel_sources}/patch-$1.bz2" | patch -s -p1
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fi
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svn status -v "$(dirname "$(dirname "$scriptname")")" \
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| grep -v '^Performing' \
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| cut -c41- \
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| grep -- "-${kernel_version}.*.patch$" \
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| grep -v /in-tree/ \
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| while read p
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do
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echo "==== $p"
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patch -p1 <$p
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done
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