Contents of /tags/init-0_4_11/magellan-initscripts/sbin/modules-update

#!/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 /etc/init.d/functions

# Parse command-line
FORCE=false
ASSUME_KV=
while [[ -n $1 ]] ; do
	case "$1" in
		force)
			FORCE=true ;;
		--assume-kernel=*)
			ASSUME_KV=${1#*=} ;;
		*)
			echo "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)}

# needed for kernel 2.6
if [[ $(kernel_major_version) = 2.6 ]]
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() {
	dep=$(egrep '[[:space:]]*depfile' ${CFGFILE} 2> /dev/null | tail -n 1 | sed -e 's/depfile=//' -e 's,/[^/]*$,,')
	[[ -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
			
			echo "Error: the current ${x} is not automatically generated."

			if $FORCE ; then
				echo "force specified, (re)generating file anyway."
			else
				echo "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
		echo "Updating ${CFGFILE}"
		echo "${FULLHEADER}" > "${TMPFILE}"
		generate_config "${CONF}" "${MODDIR}" "${TMPFILE}" 0
		[[ -e ${CFGFILE} ]] && mv -f "${CFGFILE}" "${CFGFILE}.old"
		mv -f "${TMPFILE}" "${CFGFILE}"
	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
			echo "Error: modules-update called with --assume-kernel flag, but"
			echo "generate-modprobe.conf doesn't understand it.  You need to"
			echo "install >= module-init-tools-3.0-r5"
			exit 3
		fi
		
		echo "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}" "${CFGFILE2}"
		else
			#
			# If we made it here, it means either generate-modprobe.conf 
			# bombed on us, or the user doesn't have modutils installed.
			# If the latter is true, then we should generate modprobe.conf 
			# ourselves with any old files laying around in /etc/modules.d.
			#
			rm -f "${TMPFILE2}"
			if type -p modprobe.old > /dev/null ; then
				echo "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}"
				else
					echo "Warning: could not generate ${CFGFILE2}!"
					rm -f "${TMPFILE2B}"
				fi
				rm -f "${TMPFILE2}"
			fi
		fi

		if [[ -f ${CFGFILE3} ]] ; then
			echo "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}"
			else
				echo "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
			depmod -a ${KV}
		fi
	fi
fi


# vim:ts=4
1	#!/bin/bash
2	#
3	# This is the modules-update script for Debian GNU/Linux.
4	# Written by Wichert Akkerman <wakkerma@debian.org>
5	# Copyright (C) 1998, 1999 Software in the Public Interest
6	#
7	# Modifications by Daniel Robbins <drobbins@gentoo.org>, Gentoo Foundation
8	# 02 Sep 2001 -- Removed "arch" stuff since I see no reason to have
9	# support for varying CPU architectures on a single system.
10	#
11	# Updated by Aron Griffis <agriffis@gentoo.org>
12	# 05 May 2004 -- handle --assume-kernel argument for livecd building
13
14	if [[ 0 -ne $(id -u) ]] ; then
15	echo "You have to be root to do this."
16	exit 2
17	fi
18
19	CFGFILE="/etc/modules.conf"
20	TMPFILE="${CFGFILE}.$$"
21	CFGFILE2="/etc/modprobe.conf"
22	TMPFILE2="${CFGFILE2}.$$"
23	TMPFILE2B="${CFGFILE2}B.$$"
24	CFGFILE3="/etc/modules.devfs"
25	TMPFILE3="${CFGFILE3}.$$"
26	CFGFILE4="/etc/modprobe.devfs"
27	TMPFILE4="${CFGFILE4}.$$"
28	MODDIR="/etc/modules.d"
29	ARCHDIR="${MODDIR}/arch"
30	HEADER="### This file is automatically generated by modules-update"
31	FULLHEADER="${HEADER}
32	#
33	# Please do not edit this file directly. If you want to change or add
34	# anything please take a look at the files in ${MODDIR} and read
35	# the manpage for modules-update(8).
36	#
37	"
38
39	source /etc/init.d/functions
40
41	# Parse command-line
42	FORCE=false
43	ASSUME_KV=
44	while [[ -n $1 ]] ; do
45	case "$1" in
46	force)
47	FORCE=true ;;
48	--assume-kernel=*)
49	ASSUME_KV=${1#*=} ;;
50	*)
51	echo "Error: I don't understand $1"
52	exit 1 ;;
53	esac
54	shift
55	done
56
57	# Set kernel version, either from --assume-kernel or uname -r
58	KV=${ASSUME_KV:-$(uname -r)}
59
60	# needed for kernel 2.6
61	if [[ $(kernel_major_version) = 2.6 ]]
62	then
63	KERNEL_2_6=true
64	else
65	KERNEL_2_6=false
66	fi
67
68	# Check if $CONF is valid
69	[[ ! -r ${CONF} ]] && CONF=
70
71	set -e
72
73	# Reset the sorting order since we depend on it
74	export LC_COLLATE="C"
75
76	depdir() {
77	dep=$(egrep '[[:space:]]depfile' ${CFGFILE} 2> /dev/null \| tail -n 1 \| sed -e 's/depfile=//' -e 's,/[^/]$,,')
78	[[ -z ${dep} ]] && dep="/lib/modules/${KV}"
79	echo "${dep}"
80	}
81
82	CFGFILES=${CFGFILE}
83	if ${KERNEL_2_6} ; then
84	CFGFILES="${CFGFILES} ${CFGFILE2}"
85	[[ -d /etc/devfs.d ]] && CFGFILES="${CFGFILES} ${CFGFILE4}"
86	fi
87
88	for x in ${CFGFILES} ; do
89	if [[ -f ${x} ]] ; then
90	if ! sed -ne 1p "${x}" \| egrep -q "^${HEADER}" ; then
91	# Do not bother if its modutils config file, and we
92	# have a 2.6 kernel without modprobe.old
93	[[ ${x} == "${CFGFILE}" ]] && ${KERNEL_2_6} && \
94	! type -p modprobe.old > /dev/null && \
95	continue
96
97	echo "Error: the current ${x} is not automatically generated."
98
99	if $FORCE ; then
100	echo "force specified, (re)generating file anyway."
101	else
102	echo "Use \"modules-update force\" to force (re)generation."
103	exit 1
104	fi
105	fi
106	fi
107	done
108
109	generate_config() {
110	local cfg=
111	local conf="$1"
112	local moddir="$2"
113	local tmpfile="$3"
114	local do_mprobe="$4"
115
116	for cfg in "${moddir}"/* "${conf}" ; do
117	[[ -d ${cfg} ]] && continue
118
119	[[ ! -r ${cfg} ]] && continue
120
121	# Skip backup and RCS files; fixes bug 20597 (07 May 2004 agriffis)
122	[[ ${cfg} == ~ \|\| ${cfg} == .bak \|\| ${cfg} == *,v ]] && continue
123
124	[[ ${do_mprobe} -eq 1 && -e "/etc/modprobe.d/${cfg##*/}" ]] && continue
125
126	echo "### modules-update: start processing ${cfg}" >> "${tmpfile}"
127
128	if [[ -x ${cfg} ]] ; then
129	# $cfg can be executable; nice touch, Wichert! :)
130	"${cfg}" >> "${tmpfile}"
131	else
132	cat "${cfg}" >> "${tmpfile}"
133	fi
134
135	echo >> "${tmpfile}"
136	echo "### modules-update: end processing ${cfg}" >> "${tmpfile}"
137	echo >> "${tmpfile}"
138	done
139
140	return 0
141	}
142
143	if type -p modprobe.old > /dev/null ; then
144	if ${FORCE} \|\| is_older_than ${CFGFILE} ${MODDIR} \|\| \
145	[[ ! -e ${CFGFILE} ]] ; then
146	echo "Updating ${CFGFILE}"
147	echo "${FULLHEADER}" > "${TMPFILE}"
148	generate_config "${CONF}" "${MODDIR}" "${TMPFILE}" 0
149	[[ -e ${CFGFILE} ]] && mv -f "${CFGFILE}" "${CFGFILE}.old"
150	mv -f "${TMPFILE}" "${CFGFILE}"
151	fi
152	fi
153
154	if ${FORCE} \|\| is_older_than ${CFGFILE2} ${MODDIR} \|\| [[ ! -e ${CFGFILE2} ]]; then
155	if [[ -x /sbin/generate-modprobe.conf ]] && ${KERNEL_2_6} ; then
156	# Make sure that generate-modprobe.conf can handle --assume-kernel
157	# if we were called with it.
158	if [[ -n ${ASSUME_KV} ]] && \
159	! grep -qe --assume-kernel /sbin/generate-modprobe.conf
160	then
161	echo "Error: modules-update called with --assume-kernel flag, but"
162	echo "generate-modprobe.conf doesn't understand it. You need to"
163	echo "install >= module-init-tools-3.0-r5"
164	exit 3
165	fi
166
167	echo "Updating ${CFGFILE2}"
168	echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE2}"
169	if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
170	>> "${TMPFILE2}" 2>/dev/null
171	then
172	[[ -e ${CFGFILE2} ]] && mv -f "${CFGFILE2}" "${CFGFILE2}.old"
173	mv -f "${TMPFILE2}" "${CFGFILE2}"
174	else
175	#
176	# If we made it here, it means either generate-modprobe.conf
177	# bombed on us, or the user doesn't have modutils installed.
178	# If the latter is true, then we should generate modprobe.conf
179	# ourselves with any old files laying around in /etc/modules.d.
180	#
181	rm -f "${TMPFILE2}"
182	if type -p modprobe.old > /dev/null ; then
183	echo "Warning: could not generate ${CFGFILE2}!"
184	else
185	echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE2B}"
186	generate_config "${CONF}" "${MODDIR}" "${TMPFILE2}" 1
187	export TESTING_MODPROBE_CONF="${TMPFILE2}"
188	if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
189	>> "${TMPFILE2B}" 2> /dev/null
190	then
191	[[ -e ${CFGFILE2} ]] && mv -f "${CFGFILE2}" "${CFGFILE2}.old"
192	mv -f "${TMPFILE2B}" "${CFGFILE2}"
193	else
194	echo "Warning: could not generate ${CFGFILE2}!"
195	rm -f "${TMPFILE2B}"
196	fi
197	rm -f "${TMPFILE2}"
198	fi
199	fi
200
201	if [[ -f ${CFGFILE3} ]] ; then
202	echo "Updating ${CFGFILE4}"
203	gawk '$0 !~ /^[[:space:]]*include/ { print $0 }' "${CFGFILE3}" \
204	> "${TMPFILE3}"
205
206	echo "${FULLHEADER/modules.d/modprobe.d}" > "${TMPFILE4}"
207	export TESTING_MODPROBE_CONF="${TMPFILE3}"
208	if /sbin/generate-modprobe.conf ${ASSUME_KV:+--assume-kernel=${KV}} \
209	>> "${TMPFILE4}" 2> /dev/null
210	then
211	[[ -e ${CFGFILE4} ]] && mv -f "${CFGFILE4}" "${CFGFILE4}.old"
212	mv -f "${TMPFILE4}" "${CFGFILE4}"
213
214	echo >> "${CFGFILE4}"
215	echo "include /etc/modprobe.conf" >> "${CFGFILE4}"
216	else
217	echo "Warning: could not generate ${CFGFILE4}!"
218	rm -f "${TMPFILE4}"
219	fi
220	rm -f "${TMPFILE3}"
221	fi
222	fi
223	fi
224
225	# We also call depmod here to stop insmod from complaining that modules.conf
226	# is more recent then modules.dep
227	if [[ ${CFGFILE2} -nt /lib/modules/${KV}/modules.dep ]] ; then
228	if [[ -d $(depdir) && -f /proc/modules ]] ; then
229	if [[ -f /usr/src/linux/System.map ]] ; then
230	depmod -a -F /usr/src/linux/System.map ${KV}
231	else
232	depmod -a ${KV}
233	fi
234	fi
235	fi
236
237
238	# vim:ts=4