trunk/installer/hwdetection.sh

#!/bin/bash

## hwdetection, needs >= sys-apps/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="$1"
	local all
	local i
	all=$(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}"
}

# 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	#!/bin/bash
2
3	## hwdetection, needs >= sys-apps/hwinfo
4
5	# get_hwinfo $hw_item
6	get_hwinfo()
7	{
8	local enable_desc="0"
9
10	if [[ $1 = --with-description ]] \|\| [[ $1 = -d ]]
11	then
12	enable_desc=1
13	shift
14	fi
15
16	local item="$1"
17	local all
18	local i
19	all=$(hwinfo --short --"${item}")
20
21	declare -i i=0
22	while read device description
23	do
24	# skip the first line
25	(( i++ ))
26	[ ${i} -eq 1 ] && continue
27
28	if [[ ${enable_desc} = 1 ]]
29	then
30	echo "${device};${description}"
31	else
32	echo "${device}"
33	fi
34	done <<< "${all}"
35	}
36
37	# get_driver_modules $hw_item
38	get_driver_modules()
39	{
40	local item="$1"
41	local modules
42
43	# being little tricky here :)
44	# does following:
45	# grep:
46	# -> 'Driver Modules: "via82cxxx", "ide_cd"'
47	# cut:
48	# -> ' "via82cxxx", "ide_cd"'
49	# sed1:
50	# -> ' modules="via82cxxx", "ide_cd"'
51	# sed2:
52	# -> ' modules="via82cxxx ide_cd"'
53	# then evaluate -> eval modules="via82cxxx ide_cd"
54	# and we get a variable $modules with all mods
55	#eval $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 \| sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")
56
57	local i
58	for i in $(hwinfo --"${item}" \| grep "Driver Modules:" \| cut -d: -f2 )
59	do
60	eval $(echo "${i}" \| sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
61	done
62	echo "${modules}"
63	}
64
65	# remove_duplicates $list
66	remove_duplicates()
67	{
68	local list="$@"
69	local fixed_list=":"
70	local i
71
72	for i in ${list}
73	do
74	if [[ -z $(echo "${fixed_list}" \| fgrep ":${i}:") ]]
75	then
76	fixed_list="${fixed_list}${i}:"
77	fi
78	done
79
80	# remove all ':' and show the cleaned list
81	# this way fixes double spaces also
82	for i in $(echo ${fixed_list} \| sed "s\|:\| \|g")
83	do
84	echo "${i}"
85	done
86	}
87
88	get_x11_driver_modules()
89	{
90	local modules
91	modules="$(hwinfo --gfxcard \| grep "XFree86 v4 Server Module:" \| cut -d: -f2)"
92
93	# remove duplicates from list and show it
94	remove_duplicates "${modules}"
95	}
96
97	# create_initrd {/path/to/initrd kernelversion </path/to/config>}
98	# when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
99	# default config path is /etc/conf.d/mkinitrd
100	create_initrd()
101	{
102	local initrd="$1"
103	local kernel="$2"
104	local config="$3"
105	local modules
106
107	[[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
108	[[ -z ${kernel} ]] && kernel="$(uname -r)"
109	[[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
110
111	# get various modules needed to boot
112	modules="${modules} $(get_driver_modules disk)"
113	modules="${modules} $(get_driver_modules scsi)"
114	modules="${modules} $(get_driver_modules cdrom)"
115
116	# remove all duplicate modules
117	modules="$(remove_duplicates ${modules})"
118
119	# create the config and an initrd
120	echo "# autogenerated config file" > ${config}
121	echo "MODULES=\"${modules}\"" >> ${config}
122	echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
123
124	mkinitrd -f ${initrd} ${kernel}
125	}
126
127	# special: memory (size), floppy (modprobe floppy), smp (support y/n)
128	# sound (which module? -> eval $(hwinfo --sound \| grep "Driver Modules:" \| cut -d: -f2 \| sed s:\":a=\":) )
129	#
130
131	# for i in cdrom cpu disk floppy gfxcard keyboard memory monitor mouse
132	# netcard pppoe scsi smp \
133	# sound wlan
134	# do
135	# echo -------- ${i}
136	# get_hwinfo ${i}
137	# echo -------------------------------------------------
138	# echo
139	# done
140
141	# get_driver_modules sound
142	# get_driver_modules wlan
143	# get_driver_modules cdrom
144	# get_driver_modules disk
145	# get_driver_modules gfxcard
146	# get_x11_driver_modules
147
148	# # get a modules list
149	# for i in sound wlan cdrom disk gfxcard
150	# do
151	# ALL_MODULES="${ALL_MODULES} $(get_driver_modules ${i})"
152	# done
153	# ALL_MODULES="${ALL_MODULES} $(get_x11_driver_modules)"
154	# # show a clean list
155	# for i in $(remove_duplicates ${ALL_MODULES})
156	# do
157	# echo ${i}
158	# done
159
160	#create_initrd /root/TEST/initrd
161	#get_driver_modules cdrom
162	#get_driver_modules disk
163	#get_driver_modules scsi
164	#get_driver_modules all
165
166	# network
167	#get_hwinfo --with-description netcard
168	#get_driver_modules netcard
169
170	#get_hwinfo disk
171	#get_hwinfo partition \| grep /dev/hda