trunk/installer/hwdetection.sh

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/hwdetection.sh,v 1.7 2007-10-15 20:49:40 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

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

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="$1"
	local kernel="$2"
	local config="$3"
	local modules

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

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

	# 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}

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

# 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	571	#!/bin/bash
2	niro	596	# $Header: /home/cvsd/magellan-cvs/magellan-src/installer/hwdetection.sh,v 1.7 2007-10-15 20:49:40 niro Exp $
3	niro	571
4			## hwdetection, needs >= sys-apps/hwinfo
5
6	niro	596	# 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	niro	571	# get_hwinfo $hw_item
18			get_hwinfo()
19			{
20	niro	575	local enable_desc="0"
21
22			if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
23			then
24			enable_desc=1
25			shift
26			fi
27
28	niro	571	local item="$1"
29			local all
30			local i
31	niro	576
32			# handle special items
33			case ${item} in
34			memory) get_hwinfo_memory; return ;;
35			smp) get_hwinfo_smp; return ;;
36			esac
37
38	niro	571	all=$(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	niro	575	if [[ ${enable_desc} = 1 ]]
48			then
49			echo "${device};${description}"
50			else
51			echo "${device}"
52			fi
53	niro	571	done <<< "${all}"
54			}
55
56	niro	576
57			# special memory case
58			get_hwinfo_memory()
59			{
60			local memory=$(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	niro	571	# 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	niro	574	eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
97	niro	571	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			# remove all ':' and show the cleaned list
117	niro	573	# this way fixes double spaces also
118			for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
119			do
120			echo "${i}"
121			done
122	niro	571	}
123
124			get_x11_driver_modules()
125			{
126			local modules
127			modules="$(hwinfo --gfxcard \| grep "XFree86 v4 Server Module:" \| cut -d: -f2)"
128
129			# remove duplicates from list and show it
130			remove_duplicates "${modules}"
131			}
132
133			# create_initrd {/path/to/initrd kernelversion </path/to/config>}
134			# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
135			# default config path is /etc/conf.d/mkinitrd
136			create_initrd()
137			{
138			local initrd="$1"
139			local kernel="$2"
140			local config="$3"
141			local modules
142
143			[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
144			[[ -z ${kernel} ]] && kernel="$(uname -r)"
145			[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
146
147			# get various modules needed to boot
148			modules="${modules} $(get_driver_modules disk)"
149			modules="${modules} $(get_driver_modules scsi)"
150			modules="${modules} $(get_driver_modules cdrom)"
151
152			# remove all duplicate modules
153			modules="$(remove_duplicates ${modules})"
154
155			# create the config and an initrd
156			echo "# autogenerated config file" > ${config}
157			echo "MODULES=\"${modules}\"" >> ${config}
158			echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
159
160			mkinitrd -f ${initrd} ${kernel}
161			}
162
163			# special: memory (size), floppy (modprobe floppy), smp (support y/n)
164			# sound (which module? -> eval $(hwinfo --sound \| grep "Driver Modules:" \| cut -d: -f2 \| sed s:\":a=\":) )
165			#
166
167			# for i in cdrom cpu disk floppy gfxcard keyboard memory monitor mouse
168			# netcard pppoe scsi smp \
169			# sound wlan
170			# do
171			# echo -------- ${i}
172			# get_hwinfo ${i}
173			# echo -------------------------------------------------
174			# echo
175			# done
176
177			# get_driver_modules sound
178			# get_driver_modules wlan
179			# get_driver_modules cdrom
180			# get_driver_modules disk
181			# get_driver_modules gfxcard
182			# get_x11_driver_modules
183
184			# # get a modules list
185			# for i in sound wlan cdrom disk gfxcard
186			# do
187			# ALL_MODULES="${ALL_MODULES} $(get_driver_modules ${i})"
188			# done
189			# ALL_MODULES="${ALL_MODULES} $(get_x11_driver_modules)"
190			# # show a clean list
191			# for i in $(remove_duplicates ${ALL_MODULES})
192			# do
193			# echo ${i}
194			# done
195
196			#create_initrd /root/TEST/initrd
197	niro	575	#get_driver_modules cdrom
198	niro	571	#get_driver_modules disk
199			#get_driver_modules scsi
200			#get_driver_modules all
201
202			# network
203	niro	575	#get_hwinfo --with-description netcard
204	niro	572	#get_driver_modules netcard
205	niro	571
206			#get_hwinfo disk
207			#get_hwinfo partition \| grep /dev/hda