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