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#!/bin/bash
#
# This is the modules-update script for Debian GNU/Linux.
# Written by Wichert Akkerman <wakkerma@debian.org>
# Copyright (C) 1998, 1999 Software in the Public Interest
#
# Modifications by Daniel Robbins <drobbins@gentoo.org>, Gentoo Foundation
# 02 Sep 2001 -- Removed "arch" stuff since I see no reason to have
# support for varying CPU architectures on a single system.
#
# Updated by Aron Griffis <agriffis@gentoo.org>
# 05 May 2004 -- handle --assume-kernel argument for livecd building
if [[ 0 -ne $(id -u) ]] ; then
echo "You have to be root to do this."
exit 2
fi
CFGFILE="/etc/modules.conf"
TMPFILE="${CFGFILE}.$$"
CFGFILE2="/etc/modprobe.conf"
TMPFILE2="${CFGFILE2}.$$"
TMPFILE2B="${CFGFILE2}B.$$"
CFGFILE3="/etc/modules.devfs"
TMPFILE3="${CFGFILE3}.$$"
CFGFILE4="/etc/modprobe.devfs"
TMPFILE4="${CFGFILE4}.$$"
MODDIR="/etc/modules.d"
ARCHDIR="${MODDIR}/arch"
HEADER="### This file is automatically generated by modules-update"
FULLHEADER="${HEADER}
#
# Please do not edit this file directly. If you want to change or add
# anything please take a look at the files in ${MODDIR} and read
# the manpage for modules-update(8).
#
"
source /sbin/functions.sh
# Parse command-line
FORCE=false
ASSUME_KV=
while [[ -n $1 ]] ; do
case "$1" in
force)
FORCE=true ;;
--assume-kernel=*)
ASSUME_KV=${1#*=} ;;
*)
eerror "Error: I don't understand $1"
exit 1 ;;
esac
shift
done
# Set kernel version, either from --assume-kernel or uname -r
KV=${ASSUME_KV:-$(uname -r)}
if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.5.48) ]]; then
KERNEL_2_6=true
else
KERNEL_2_6=false
fi
# Check if $CONF is valid
[[ ! -r ${CONF} ]] && CONF=
set -e
# Reset the sorting order since we depend on it
export LC_COLLATE="C"
depdir() {
local dep=$(sed -n -e '/[ \t]*depfile=/h;${x;s/[ \t]*depfile=//g;s,/[^/]*$,,p}' \
"${CFGFILE}")
[[ -z ${dep} ]] && dep="/lib/modules/${KV}"
echo "${dep}"
}
CFGFILES=${CFGFILE}
if ${KERNEL_2_6} ; then
CFGFILES="${CFGFILES} ${CFGFILE2}"
[[ -d /etc/devfs.d ]] && CFGFILES="${CFGFILES} ${CFGFILE4}"
fi
for x in ${CFGFILES} ; do
if [[ -f ${x} ]] ; then
if ! sed -ne 1p "${x}" | egrep -q "^${HEADER}" ; then
# Do not bother if its modutils config file, and we
# have a 2.6 kernel without modprobe.old
[[ ${x} == "${CFGFILE}" ]] && ${KERNEL_2_6} && \
! type -p modprobe.old > /dev/null && \
continue
ewarn "Error: the current ${x} is not automatically generated."
if $FORCE ; then
ewarn "force specified, (re)generating file anyway."
else
eerror "Use \"modules-update force\" to force (re)generation."
exit 1
fi
fi
fi
done
generate_config() {
local cfg=
local conf="$1"
local moddir="$2"
local tmpfile="$3"
local do_mprobe="$4"
for cfg in "${moddir}"/* "${conf}" ; do
[[ -d ${cfg} ]] && continue
[[ ! -r ${cfg} ]] && continue
# Skip backup and RCS files; fixes bug 20597 (07 May 2004 agriffis)
[[ ${cfg} == *~ || ${cfg} == *.bak || ${cfg} == *,v ]] && continue
[[ ${do_mprobe} -eq 1 && -e "/etc/modprobe.d/${cfg##*/}" ]] && continue
echo "### modules-update: start processing ${cfg}" >> "${tmpfile}"
if [[ -x ${cfg} ]] ; then
# $cfg can be executable; nice touch, Wichert! :)
"${cfg}" >> "${tmpfile}"
else
cat "${cfg}" >> "${tmpfile}"
fi
echo >> "${tmpfile}"
echo "### modules-update: end processing ${cfg}" >> "${tmpfile}"
echo >> "${tmpfile}"
done
return 0
}
if type -p modprobe.old > /dev/null ; then
if ${FORCE} || is_older_than ${CFGFILE} ${MODDIR} || \
[[ ! -e ${CFGFILE} ]] ; then
ebegin "Updating ${CFGFILE}"
echo "${FULLHEADER}" > "${TMPFILE}"
generate_config "${CONF}" "${MODDIR}" "${TMPFILE}" 0
[[ -e ${CFGFILE} ]] && mv -f "${CFGFILE}" "${CFGFILE}.old"
mv -f "${TMPFILE}" "${CFGFILE}"
eend 0
fi
fi
if ${FORCE} || is_older_than ${CFGFILE2} ${MODDIR} || [[ ! -e ${CFGFILE2} ]]; then
if [[ -x /sbin/generate-modprobe.conf ]] && ${KERNEL_2_6} ; then
# Make sure that generate-modprobe.conf can handle --assume-kernel
# if we were called with it.
if [[ -n ${ASSUME_KV} ]] && \
! grep -qe -- --assume-kernel /sbin/generate-modprobe.conf
then
eerror "Error: modules-update called with --assume-kernel flag, but"
eerror "generate-modprobe.conf doesn't understand it. You need to"
eerror "install >=module-init-tools-3.0-r2"
exit 3
fi
ebegin "Updating ${CFGFILE2}"
echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE2}"
if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
>> "${TMPFILE2}" 2>/dev/null
then
[[ -e ${CFGFILE2} ]] && mv -f "${CFGFILE2}" "${CFGFILE2}.old"
mv -f "${TMPFILE2}" "${CFGFILE2}"
eend 0
else
#
# If we made it here, it means either generate-modprobe.conf
# bombed on us, or the user doesn't have modutils installed.
# If the latter is true, then we should generate modprobe.conf
# ourselves with any old files laying around in /etc/modules.d.
#
rm -f "${TMPFILE2}"
if type -p modprobe.old > /dev/null ; then
eend 1 "Warning: could not generate ${CFGFILE2}!"
else
echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE2B}"
generate_config "${CONF}" "${MODDIR}" "${TMPFILE2}" 1
export TESTING_MODPROBE_CONF="${TMPFILE2}"
if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
>> "${TMPFILE2B}" 2> /dev/null
then
[[ -e ${CFGFILE2} ]] && mv -f "${CFGFILE2}" "${CFGFILE2}.old"
mv -f "${TMPFILE2B}" "${CFGFILE2}"
eend 0
else
eend 1 "Warning: could not generate ${CFGFILE2}!"
rm -f "${TMPFILE2B}"
fi
rm -f "${TMPFILE2}"
fi
fi
if [[ -f ${CFGFILE3} ]] ; then
ebegin "Updating ${CFGFILE4}"
gawk '$0 !~ /^[[:space:]]*include/ { print $0 }' "${CFGFILE3}" \
> "${TMPFILE3}"
echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE4}"
export TESTING_MODPROBE_CONF="${TMPFILE3}"
if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
>> "${TMPFILE4}" 2> /dev/null
then
[[ -e ${CFGFILE4} ]] && mv -f "${CFGFILE4}" "${CFGFILE4}.old"
mv -f "${TMPFILE4}" "${CFGFILE4}"
echo >> "${CFGFILE4}"
echo "include /etc/modprobe.conf" >> "${CFGFILE4}"
eend 0
else
eend 1 "Warning: could not generate ${CFGFILE4}!"
rm -f "${TMPFILE4}"
fi
rm -f "${TMPFILE3}"
fi
fi
fi
# We also call depmod here to stop insmod from complaining that modules.conf
# is more recent then modules.dep
if [[ ${CFGFILE2} -nt /lib/modules/${KV}/modules.dep ]] ; then
if [[ -d $(depdir) && -f /proc/modules ]] ; then
if [[ -f /usr/src/linux/System.map ]] ; then
depmod -a -F /usr/src/linux/System.map ${KV}
else
ewarn "System.map not found - unable to check symbols"
fi
fi
fi
# vim:ts=4
|
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