installer/include/hwdetection.sh

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/hwdetection.sh,v 1.1 2008-09-24 10:54:00 niro Exp $

## hwdetection, needs >= sys-apps/hwinfo

# hwinfo wrapper to use hwinfo with sudo if requested
hwinfo()
{
	local use_sudo=""
	case ${SUDO} in
		yes|y|true|1) use_sudo=sudo ;;
	esac

	${use_sudo} /usr/sbin/hwinfo $@
}

# get_hwinfo $hw_item
get_hwinfo()
{
	local enable_desc="0"

	if [[ $1 = --with-description ]] || [[ $1 = -d ]]
	then
		enable_desc=1
		shift
	fi

	local item="$1"
	local all
	local i

	# handle special items
	case ${item} in
		memory) get_hwinfo_memory; return ;;
		smp) get_hwinfo_smp; return ;;
	esac

	all=$(hwinfo --short --"${item}")

	declare -i i=0
	while read device description
	do
		# skip the first line
		(( i++ ))
		[ ${i} -eq 1 ] && continue

		if [[ ${enable_desc} = 1 ]]
		then
			echo "${device};${description}"
		else
			echo "${device}"
		fi
	done <<< "${all}"
}


# special memory case
get_hwinfo_memory()
{
	local memory=$(hwinfo --memory  | grep "Memory Size" | cut -d: -f2 | sed "s:\ ::")
	echo "${memory}"
}


# special smp case
get_hwinfo_smp()
{
	local smp=$(hwinfo --smp  | grep "SMP support:" | cut -d: -f2 | sed "s:\ ::")
	echo "${smp}"
}


# get_driver_modules $hw_item
get_driver_modules()
{
	local item="$1"
	local modules

	# being little tricky here :)
	# does following:
	# grep:
	# -> 'Driver Modules: "via82cxxx", "ide_cd"'
	# cut:
	# -> ' "via82cxxx", "ide_cd"'
	# sed1:
	# -> ' modules="via82cxxx", "ide_cd"'
	# sed2:
	# -> ' modules="via82cxxx ide_cd"'
	# then evaluate -> eval modules="via82cxxx ide_cd"
	# and we get a variable $modules with all mods
	#eval $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 | sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")

	local i
	for i in $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 )
	do
		eval $(echo "${i}" | sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
	done
	echo "${modules}"
}

# remove_duplicates $list
remove_duplicates()
{
	local list="$@"
	local fixed_list=":"
	local i

	for i in ${list}
	do
		if [[ -z $(echo "${fixed_list}" | fgrep ":${i}:") ]]
		then
			fixed_list="${fixed_list}${i}:"
		fi
	done

	unset list

	# remove all ':' and show the cleaned list
	# this way fixes double spaces also
	for i in $(echo ${fixed_list} | sed "s|:| |g")
	do
		list+=" ${i}"
	done

	echo "${list}"
}

get_x11_driver_modules()
{
	local modules
	modules="$(hwinfo --gfxcard | grep "XFree86 v4 Server Module:" | cut -d: -f2)"

	# remove duplicates from list and show it
	remove_duplicates "${modules}"
}

# create_initrd {/path/to/initrd kernelversion </path/to/config>}
# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
# default config path is /etc/conf.d/mkinitrd
create_initrd()
{
	local initrd
	local kernel
	local config
	local chroot
	#local root
	local modules

	# very basic getops
	for i in $*
	do
		case $1 in
			#--root|-r) shift; root="$1" ;;
			--initrd|-i) shift; initrd="$1" ;;
			--config|-c) shift; config="$1" ;;
			--kernelversion|-v) shift; kernel="$1" ;;
		esac
		shift
	done

	[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
	[[ -z ${kernel} ]] && kernel="$(uname -r)"
	[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"

	if [[ ! -z ${INSTALL_ROOT} ]]
	then
		config="${INSTALL_ROOT}/${config}"
		chroot="chrooted"
	fi

	# get various modules needed to boot
	modules="$(get_driver_modules disk)"
	modules+=" $(get_driver_modules scsi)"
	modules+=" $(get_driver_modules cdrom)"

	# check for special ide_disk drivers (ata support)
	if [[ ! -z $(echo ${modules} | grep ide_disk) ]]
	then
		modules+=" $(grep ide_disk /proc/modules | cut -d' ' -f4 | sed '/-/d;s:,:\ :g')"
	fi

	# remove all duplicate modules
	modules="$(remove_duplicates ${modules})"

	# create the config and an initrd
	echo "# autogenerated config file" > ${config}
	echo "MODULES=\"${modules}\"" >> ${config}
	echo "IMAGE_TYPE=\"initramfs\"" >> ${config}

	${chroot} mkinitrd -f ${initrd} ${kernel}
}

chrooted()
{
	local cmd="$@"

	mount -t sysfs sysfs ${INSTALL_ROOT}/sys
	mount -t proc proc ${INSTALL_ROOT}/proc
	mount -o bind /dev ${INSTALL_ROOT}/dev

	chroot ${INSTALL_ROOT} ${cmd}

	umount ${INSTALL_ROOT}/dev
	umount ${INSTALL_ROOT}/proc
	umount ${INSTALL_ROOT}/sys
}

# special: memory (size), floppy (modprobe floppy), smp (support y/n)
#          sound (which module? -> eval $(hwinfo --sound | grep "Driver Modules:" | cut -d: -f2 | sed s:\":a=\":) )
#

# for i in cdrom cpu disk floppy gfxcard keyboard memory monitor mouse 
# 	netcard pppoe scsi smp \
# 	sound wlan
# do
# 	echo -------- ${i}
# 	get_hwinfo ${i}
# 	echo -------------------------------------------------
# 	echo
# done

# get_driver_modules sound
# get_driver_modules wlan
# get_driver_modules cdrom
# get_driver_modules disk
# get_driver_modules gfxcard
# get_x11_driver_modules

# # get a modules list
# for i in sound wlan cdrom disk gfxcard
# do
# 	ALL_MODULES="${ALL_MODULES} $(get_driver_modules ${i})"
# done
# ALL_MODULES="${ALL_MODULES} $(get_x11_driver_modules)"
# # show a clean list
# for i in $(remove_duplicates ${ALL_MODULES})
# do
# 	echo ${i}
# done

#create_initrd /root/TEST/initrd
#get_driver_modules cdrom
#get_driver_modules disk
#get_driver_modules scsi
#get_driver_modules all

# network
#get_hwinfo --with-description netcard
#get_driver_modules netcard

#get_hwinfo disk
#get_hwinfo partition | grep /dev/hda
1	niro	773	#!/bin/bash
2			# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/hwdetection.sh,v 1.1 2008-09-24 10:54:00 niro Exp $
3
4			## hwdetection, needs >= sys-apps/hwinfo
5
6			# hwinfo wrapper to use hwinfo with sudo if requested
7			hwinfo()
8			{
9			local use_sudo=""
10			case ${SUDO} in
11			yes\|y\|true\|1) use_sudo=sudo ;;
12			esac
13
14			${use_sudo} /usr/sbin/hwinfo $@
15			}
16
17			# get_hwinfo $hw_item
18			get_hwinfo()
19			{
20			local enable_desc="0"
21
22			if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
23			then
24			enable_desc=1
25			shift
26			fi
27
28			local item="$1"
29			local all
30			local i
31
32			# handle special items
33			case ${item} in
34			memory) get_hwinfo_memory; return ;;
35			smp) get_hwinfo_smp; return ;;
36			esac
37
38			all=$(hwinfo --short --"${item}")
39
40			declare -i i=0
41			while read device description
42			do
43			# skip the first line
44			(( i++ ))
45			[ ${i} -eq 1 ] && continue
46
47			if [[ ${enable_desc} = 1 ]]
48			then
49			echo "${device};${description}"
50			else
51			echo "${device}"
52			fi
53			done <<< "${all}"
54			}
55
56
57			# special memory case
58			get_hwinfo_memory()
59			{
60			local memory=$(hwinfo --memory \| grep "Memory Size" \| cut -d: -f2 \| sed "s:\ ::")
61			echo "${memory}"
62			}
63
64
65			# special smp case
66			get_hwinfo_smp()
67			{
68			local smp=$(hwinfo --smp \| grep "SMP support:" \| cut -d: -f2 \| sed "s:\ ::")
69			echo "${smp}"
70			}
71
72
73			# get_driver_modules $hw_item
74			get_driver_modules()
75			{
76			local item="$1"
77			local modules
78
79			# being little tricky here :)
80			# does following:
81			# grep:
82			# -> 'Driver Modules: "via82cxxx", "ide_cd"'
83			# cut:
84			# -> ' "via82cxxx", "ide_cd"'
85			# sed1:
86			# -> ' modules="via82cxxx", "ide_cd"'
87			# sed2:
88			# -> ' modules="via82cxxx ide_cd"'
89			# then evaluate -> eval modules="via82cxxx ide_cd"
90			# and we get a variable $modules with all mods
91			#eval $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 \| sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")
92
93			local i
94			for i in $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 )
95			do
96			eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
97			done
98			echo "${modules}"
99			}
100
101			# remove_duplicates $list
102			remove_duplicates()
103			{
104			local list="$@"
105			local fixed_list=":"
106			local i
107
108			for i in ${list}
109			do
110			if [[ -z $(echo "${fixed_list}" \| fgrep ":${i}:") ]]
111			then
112			fixed_list="${fixed_list}${i}:"
113			fi
114			done
115
116			unset list
117
118			# remove all ':' and show the cleaned list
119			# this way fixes double spaces also
120			for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
121			do
122			list+=" ${i}"
123			done
124
125			echo "${list}"
126			}
127
128			get_x11_driver_modules()
129			{
130			local modules
131			modules="$(hwinfo --gfxcard \| grep "XFree86 v4 Server Module:" \| cut -d: -f2)"
132
133			# remove duplicates from list and show it
134			remove_duplicates "${modules}"
135			}
136
137			# create_initrd {/path/to/initrd kernelversion </path/to/config>}
138			# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
139			# default config path is /etc/conf.d/mkinitrd
140			create_initrd()
141			{
142			local initrd
143			local kernel
144			local config
145			local chroot
146			#local root
147			local modules
148
149			# very basic getops
150			for i in $*
151			do
152			case $1 in
153			#--root\|-r) shift; root="$1" ;;
154			--initrd\|-i) shift; initrd="$1" ;;
155			--config\|-c) shift; config="$1" ;;
156			--kernelversion\|-v) shift; kernel="$1" ;;
157			esac
158			shift
159			done
160
161			[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
162			[[ -z ${kernel} ]] && kernel="$(uname -r)"
163			[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
164
165			if [[ ! -z ${INSTALL_ROOT} ]]
166			then
167			config="${INSTALL_ROOT}/${config}"
168			chroot="chrooted"
169			fi
170
171			# get various modules needed to boot
172			modules="$(get_driver_modules disk)"
173			modules+=" $(get_driver_modules scsi)"
174			modules+=" $(get_driver_modules cdrom)"
175
176			# check for special ide_disk drivers (ata support)
177			if [[ ! -z $(echo ${modules} \| grep ide_disk) ]]
178			then
179			modules+=" $(grep ide_disk /proc/modules \| cut -d' ' -f4 \| sed '/-/d;s:,:\ :g')"
180			fi
181
182			# remove all duplicate modules
183			modules="$(remove_duplicates ${modules})"
184
185			# create the config and an initrd
186			echo "# autogenerated config file" > ${config}
187			echo "MODULES=\"${modules}\"" >> ${config}
188			echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
189
190			${chroot} mkinitrd -f ${initrd} ${kernel}
191			}
192
193			chrooted()
194			{
195			local cmd="$@"
196
197			mount -t sysfs sysfs ${INSTALL_ROOT}/sys
198			mount -t proc proc ${INSTALL_ROOT}/proc
199			mount -o bind /dev ${INSTALL_ROOT}/dev
200
201			chroot ${INSTALL_ROOT} ${cmd}
202
203			umount ${INSTALL_ROOT}/dev
204			umount ${INSTALL_ROOT}/proc
205			umount ${INSTALL_ROOT}/sys
206			}
207
208			# special: memory (size), floppy (modprobe floppy), smp (support y/n)
209			# sound (which module? -> eval $(hwinfo --sound \| grep "Driver Modules:" \| cut -d: -f2 \| sed s:\":a=\":) )
210			#
211
212			# for i in cdrom cpu disk floppy gfxcard keyboard memory monitor mouse
213			# netcard pppoe scsi smp \
214			# sound wlan
215			# do
216			# echo -------- ${i}
217			# get_hwinfo ${i}
218			# echo -------------------------------------------------
219			# echo
220			# done
221
222			# get_driver_modules sound
223			# get_driver_modules wlan
224			# get_driver_modules cdrom
225			# get_driver_modules disk
226			# get_driver_modules gfxcard
227			# get_x11_driver_modules
228
229			# # get a modules list
230			# for i in sound wlan cdrom disk gfxcard
231			# do
232			# ALL_MODULES="${ALL_MODULES} $(get_driver_modules ${i})"
233			# done
234			# ALL_MODULES="${ALL_MODULES} $(get_x11_driver_modules)"
235			# # show a clean list
236			# for i in $(remove_duplicates ${ALL_MODULES})
237			# do
238			# echo ${i}
239			# done
240
241			#create_initrd /root/TEST/initrd
242			#get_driver_modules cdrom
243			#get_driver_modules disk
244			#get_driver_modules scsi
245			#get_driver_modules all
246
247			# network
248			#get_hwinfo --with-description netcard
249			#get_driver_modules netcard
250
251			#get_hwinfo disk
252			#get_hwinfo partition \| grep /dev/hda