WebSVN – livecd – Diff – /trunk/linux-live.sl/initrd/linuxrc


#!/bin/ash
#
# Original version from http://www.linux-live.org/
#
# modified by Urs Beyerle
# - to allow LiveCD mounted over NFS
# - add support for LiveCD on SATA devices
# - to allow LiveCD mounted over CIFS
 
export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin
. liblinuxlive
 
 
echolog "mounting /proc and /sys filesystems"
mount -t proc proc /proc
mount -t sysfs sysfs /sys
ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a
 
# setup DEBUGCMD variable. If debug boot option is present, call debug()
# function several times during script's execution
if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi
 
$DEBUGCMD
 
# amount of RAM to store changes
RAMSIZE="`cmdline_value ramsize`"
if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi
 
# Set these variables very carefully
UNION=/union
MEMORY=/memory
MOUNTDIR=livecd
CHANGES=$MEMORY/SL54changes
COPY2RAM=$MEMORY/copy2ram
IMAGES=$MEMORY/images
INITRAMDISK=$MOUNTDIR/live
 
# set NFSROOT and NFSOPTS 
NFSROOT="`cmdline_value nfsroot`"
NFSOPTS="`cmdline_value nfsopts`"
if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi
 
# set CIFSROOT and CIFSOPTS
CIFSROOT="`cmdline_value cifsroot`"
CIFSOPTS="`cmdline_value cifsopts`"
 
# set DHCPDELAY (in seconds)
DHCPDELAY="`cmdline_value dhcpdelay`"
if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi
 
# we need cdrom support, isofs support, unionfs/aufs support, etc
modprobe_essential_modules
 
# disable DMA if nodma parameter is used
setup_dma
 
$DEBUGCMD
 
# if NFSROOT is set:
echolog "check for nfsroot or cifsroot"
if [ "$NFSROOT" != "" ]; then
 
   echolog "nfsroot: $NFSROOT"
   $DEBUGCMD
   load_network_modules
   $DEBUGCMD
   get_dhcp_lease
   $DEBUGCMD
   modprobe_nfs_modules
 
# if CIFSROOT is set
elif [ "$CIFSROOT" != "" ]; then
 
   echolog "cifsroot: $CIFSROOT"
   $DEBUGCMD
   load_network_modules
   $DEBUGCMD
   get_dhcp_lease
   $DEBUGCMD
   modprobe_cifs_modules
 
fi
 
$DEBUGCMD
 
# $UNION will be used as a root directory, livecd modules will be added soon.
echolog "setup union on $UNION"
mkdir -p $UNION
mkdir -p $MEMORY
 
# looking for changes= parameter
CHANGESVAL="`cmdline_value changes`"
if [ "$CHANGESVAL" != "" ]; then 
    # disable kernel warnings
    PRINTK=`cat /proc/sys/kernel/printk`
    echo "0" >/proc/sys/kernel/printk
    find_changes
    # enable kernel warnings
    echo "$PRINTK" >/proc/sys/kernel/printk
fi
mkdir -p $MEMORY
 
$DEBUGCMD
 
# mount tmpfs only in the case when changes= boot parameter was empty
if [ "$CHANGESVAL" = "" ]; then 
    echolog "mount tmpfs"
    mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY
    $DEBUGCMD
fi
 
mkdir -p $CHANGES
mkdir -p $COPY2RAM
rm -rf $IMAGES
mkdir -p $IMAGES
 
# mount unionfs or aufs
lsmod | grep -q ^unionfs
if [ $? -eq 0 ]; then  
    mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION
    if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi
    echolog "unionfs mounted"
else
    mount -t aufs -o br:$CHANGES=rw aufs $UNION
    if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi
    echolog "aufs mounted"
fi
 
$DEBUGCMD
 
# try to find livecd data directory. If not found, try modprobing
# USB and SATA kernel modules and repeat the find procedure again
echolog "looking for data modules"
 
# disable kernel warnings
PRINTK=`cat /proc/sys/kernel/printk`
echo "0" >/proc/sys/kernel/printk
DATA="`find_live_data_dir $MOUNTDIR`"
# enable kernel warnings
echo "$PRINTK" >/proc/sys/kernel/printk
 
if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi
if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi
echolog "LiveCD found in: $DATA"
 
$DEBUGCMD
 
# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.
# (skip modules from /optional/ which are not listed in load= boot option)
# Finaly modify DATA variable so it will point to correct directory
if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then
   echolog "copying modules to RAM, this may take some time"
   copy_to_ram $DATA $COPY2RAM
   cd_autoeject 1
   umount $DATA 2>/dev/null
   if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi
   DATA=$COPY2RAM
   cd_autoeject 0
fi
 
mkdir -p $UNION/boot
mount -o bind $DATA $UNION/boot
 
$DEBUGCMD
 
# DATA contains path to the base directory of all .mo images which need
# to be mounted and inserted into live filesystem. Do it now.
echolog "inserting all modules and creating live filesystem"
union_insert_modules $UNION $DATA $IMAGES
 
$DEBUGCMD
 
echo "copying rootchanges"
copy_rootchanges $DATA $UNION
 
$DEBUGCMD
 
echo "creating /etc/fstab"
activate_fstab $UNION
 
# More likely these directories aren't there.
# Even if they are, this won't hurt.
mkdir -p $UNION/proc
mkdir -p $UNION/sys
mkdir -p $UNION/tmp
chmod 1777 $UNION/tmp
mkdir -p $UNION/dev
mkdir -p $UNION/initrd
 
$DEBUGCMD
 
# no X? (set runlevel to 3)
if [ "`cmdline_parameter nox`" ]; then
  echo "set runlevel to 3"
  sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab
fi
 
$DEBUGCMD
 
# Union contains all the files and directories unioned from all modules.
# Change root directory to it, and move initrd's root to /livecd/live/initramdisk
# Finaly execute /sbin/init to start the distribution.
echolog "changing root directory..."
cd $UNION
mkdir -p $INITRAMDISK
 
umount /sys # we won't need it anymore
 
# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi
 
# Copy all dev files (found by mdev) to unioned dev directory
# so at least disk devices exist (your Linux may need them).
# Two exceptions, do not copy pty* and tty* devs.
if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi
cp -fdR /dev . 2>/dev/null
 
if [ -x $UNION/usr/sbin/chroot ];
  then CHROOT=/usr/sbin/chroot
  else CHROOT=/usr/bin/chroot
fi
 
echolog "End of linux live scripts"
 
# pure magic ;-)
cat $UNION/bin/true >/dev/null
 
$DEBUGCMD
 
pivot_root . $INITRAMDISK
exec $CHROOT . sbin/init <dev/console >dev/console 2>&1
 
header "ERROR!"
echolog "You are not supposed to be here, something went wrong!"
echolog "Even Ctrl+Alt+Del won't help you in kernel panic."
echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"
 

Rev 241	Rev 243
1	`#!/bin/ash`	1	`#!/bin/ash`
2	`#`	2	`#`
3	`# Original version from http://www.linux-live.org/`	3	`# Original version from http://www.linux-live.org/`
4	`#`	4	`#`
5	`# modified by Urs Beyerle`	5	`# modified by Urs Beyerle`
6	`# - to allow LiveCD mounted over NFS`	6	`# - to allow LiveCD mounted over NFS`
7	`# - add support for LiveCD on SATA devices`	7	`# - add support for LiveCD on SATA devices`
8	`# - to allow LiveCD mounted over CIFS`	8	`# - to allow LiveCD mounted over CIFS`
9		9
10	`export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin`	10	`export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin`
11	`. liblinuxlive`	11	`. liblinuxlive`
12		12
13		13
14	`echolog "mounting /proc and /sys filesystems"`	14	`echolog "mounting /proc and /sys filesystems"`
15	`mount -t proc proc /proc`	15	`mount -t proc proc /proc`
16	`mount -t sysfs sysfs /sys`	16	`mount -t sysfs sysfs /sys`
17	`ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a`	17	`ln -sf /proc/mounts /etc/mtab # this allows us to use umount -a`
18		18
19	`# setup DEBUGCMD variable. If debug boot option is present, call debug()`	19	`# setup DEBUGCMD variable. If debug boot option is present, call debug()`
20	`# function several times during script's execution`	20	`# function several times during script's execution`
21	if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi	21	if [ "`cmdline_parameter debug`" ]; then DEBUGCMD="debug"; else DEBUGCMD=""; fi
22		22
23	`$DEBUGCMD`	23	`$DEBUGCMD`
24		24
25	`# amount of RAM to store changes`	25	`# amount of RAM to store changes`
26	RAMSIZE="`cmdline_value ramsize`"	26	RAMSIZE="`cmdline_value ramsize`"
27	`if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi`	27	`if [ "$RAMSIZE" = "" ]; then RAMSIZE="70%"; fi`
28		28
29	`# Set these variables very carefully`	29	`# Set these variables very carefully`
30	`UNION=/union`	30	`UNION=/union`
31	`MEMORY=/memory`	31	`MEMORY=/memory`
32	`MOUNTDIR=livecd`	32	`MOUNTDIR=livecd`
33	`CHANGES=$MEMORY/SL53changes`	33	`CHANGES=$MEMORY/SL54changes`
34	`COPY2RAM=$MEMORY/copy2ram`	34	`COPY2RAM=$MEMORY/copy2ram`
35	`IMAGES=$MEMORY/images`	35	`IMAGES=$MEMORY/images`
36	`INITRAMDISK=$MOUNTDIR/live`	36	`INITRAMDISK=$MOUNTDIR/live`
37		37
38	`# set NFSROOT and NFSOPTS`	38	`# set NFSROOT and NFSOPTS`
39	NFSROOT="`cmdline_value nfsroot`"	39	NFSROOT="`cmdline_value nfsroot`"
40	NFSOPTS="`cmdline_value nfsopts`"	40	NFSOPTS="`cmdline_value nfsopts`"
41	`if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi`	41	`if [ "$NFSOPTS" = "" ]; then NFSOPTS="nolock,ro,rsize=8192,wsize=8192,hard,intr"; fi`
42		42
43	`# set CIFSROOT and CIFSOPTS`	43	`# set CIFSROOT and CIFSOPTS`
44	CIFSROOT="`cmdline_value cifsroot`"	44	CIFSROOT="`cmdline_value cifsroot`"
45	CIFSOPTS="`cmdline_value cifsopts`"	45	CIFSOPTS="`cmdline_value cifsopts`"
46		46
47	`# set DHCPDELAY (in seconds)`	47	`# set DHCPDELAY (in seconds)`
48	DHCPDELAY="`cmdline_value dhcpdelay`"	48	DHCPDELAY="`cmdline_value dhcpdelay`"
49	`if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi`	49	`if [ "$DHCPDELAY" = "" ]; then DHCPDELAY=8; fi`
50		50
51	`# we need cdrom support, isofs support, unionfs/aufs support, etc`	51	`# we need cdrom support, isofs support, unionfs/aufs support, etc`
52	`modprobe_essential_modules`	52	`modprobe_essential_modules`
53		53
54	`# disable DMA if nodma parameter is used`	54	`# disable DMA if nodma parameter is used`
55	`setup_dma`	55	`setup_dma`
56		56
57	`$DEBUGCMD`	57	`$DEBUGCMD`
58		58
59	`# if NFSROOT is set:`	59	`# if NFSROOT is set:`
60	`echolog "check for nfsroot or cifsroot"`	60	`echolog "check for nfsroot or cifsroot"`
61	`if [ "$NFSROOT" != "" ]; then`	61	`if [ "$NFSROOT" != "" ]; then`
62		62
63	`echolog "nfsroot: $NFSROOT"`	63	`echolog "nfsroot: $NFSROOT"`
64	`$DEBUGCMD`	64	`$DEBUGCMD`
65	`load_network_modules`	65	`load_network_modules`
66	`$DEBUGCMD`	66	`$DEBUGCMD`
67	`get_dhcp_lease`	67	`get_dhcp_lease`
68	`$DEBUGCMD`	68	`$DEBUGCMD`
69	`modprobe_nfs_modules`	69	`modprobe_nfs_modules`
70		70
71	`# if CIFSROOT is set`	71	`# if CIFSROOT is set`
72	`elif [ "$CIFSROOT" != "" ]; then`	72	`elif [ "$CIFSROOT" != "" ]; then`
73		73
74	`echolog "cifsroot: $CIFSROOT"`	74	`echolog "cifsroot: $CIFSROOT"`
75	`$DEBUGCMD`	75	`$DEBUGCMD`
76	`load_network_modules`	76	`load_network_modules`
77	`$DEBUGCMD`	77	`$DEBUGCMD`
78	`get_dhcp_lease`	78	`get_dhcp_lease`
79	`$DEBUGCMD`	79	`$DEBUGCMD`
80	`modprobe_cifs_modules`	80	`modprobe_cifs_modules`
81		81
82	`fi`	82	`fi`
83		83
84	`$DEBUGCMD`	84	`$DEBUGCMD`
85		85
86	`# $UNION will be used as a root directory, livecd modules will be added soon.`	86	`# $UNION will be used as a root directory, livecd modules will be added soon.`
87	`echolog "setup union on $UNION"`	87	`echolog "setup union on $UNION"`
88	`mkdir -p $UNION`	88	`mkdir -p $UNION`
89	`mkdir -p $MEMORY`	89	`mkdir -p $MEMORY`
90		90
91	`# looking for changes= parameter`	91	`# looking for changes= parameter`
92	CHANGESVAL="`cmdline_value changes`"	92	CHANGESVAL="`cmdline_value changes`"
93	`if [ "$CHANGESVAL" != "" ]; then`	93	`if [ "$CHANGESVAL" != "" ]; then`
94	`# disable kernel warnings`	94	`# disable kernel warnings`
95	PRINTK=`cat /proc/sys/kernel/printk`	95	PRINTK=`cat /proc/sys/kernel/printk`
96	`echo "0" >/proc/sys/kernel/printk`	96	`echo "0" >/proc/sys/kernel/printk`
97	`find_changes`	97	`find_changes`
98	`# enable kernel warnings`	98	`# enable kernel warnings`
99	`echo "$PRINTK" >/proc/sys/kernel/printk`	99	`echo "$PRINTK" >/proc/sys/kernel/printk`
100	`fi`	100	`fi`
101	`mkdir -p $MEMORY`	101	`mkdir -p $MEMORY`
102		102
103	`$DEBUGCMD`	103	`$DEBUGCMD`
104		104
105	`# mount tmpfs only in the case when changes= boot parameter was empty`	105	`# mount tmpfs only in the case when changes= boot parameter was empty`
106	`if [ "$CHANGESVAL" = "" ]; then`	106	`if [ "$CHANGESVAL" = "" ]; then`
107	`echolog "mount tmpfs"`	107	`echolog "mount tmpfs"`
108	`mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY`	108	`mount -t tmpfs -o "size=$RAMSIZE" tmpfs $MEMORY`
109	`$DEBUGCMD`	109	`$DEBUGCMD`
110	`fi`	110	`fi`
111		111
112	`mkdir -p $CHANGES`	112	`mkdir -p $CHANGES`
113	`mkdir -p $COPY2RAM`	113	`mkdir -p $COPY2RAM`
114	`rm -rf $IMAGES`	114	`rm -rf $IMAGES`
115	`mkdir -p $IMAGES`	115	`mkdir -p $IMAGES`
116		116
117	`# mount unionfs or aufs`	117	`# mount unionfs or aufs`
118	`lsmod \| grep -q ^unionfs`	118	`lsmod \| grep -q ^unionfs`
119	`if [ $? -eq 0 ]; then`	119	`if [ $? -eq 0 ]; then`
120	`mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION`	120	`mount -t unionfs -o dirs=$CHANGES=rw unionfs $UNION`
121	`if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi`	121	`if [ $? -ne 0 ]; then fatal "can't setup union in $UNION directory"; fi`
122	`echolog "unionfs mounted"`	122	`echolog "unionfs mounted"`
123	`else`	123	`else`
124	`mount -t aufs -o br:$CHANGES=rw aufs $UNION`	124	`mount -t aufs -o br:$CHANGES=rw aufs $UNION`
125	`if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi`	125	`if [ $? -ne 0 ]; then fatal "can't setup union (aufs) in $UNION directory"; fi`
126	`echolog "aufs mounted"`	126	`echolog "aufs mounted"`
127	`fi`	127	`fi`
128		128
129	`$DEBUGCMD`	129	`$DEBUGCMD`
130		130
131	`# try to find livecd data directory. If not found, try modprobing`	131	`# try to find livecd data directory. If not found, try modprobing`
132	`# USB and SATA kernel modules and repeat the find procedure again`	132	`# USB and SATA kernel modules and repeat the find procedure again`
133	`echolog "looking for data modules"`	133	`echolog "looking for data modules"`
134		134
135	`# disable kernel warnings`	135	`# disable kernel warnings`
136	PRINTK=`cat /proc/sys/kernel/printk`	136	PRINTK=`cat /proc/sys/kernel/printk`
137	`echo "0" >/proc/sys/kernel/printk`	137	`echo "0" >/proc/sys/kernel/printk`
138	DATA="`find_live_data_dir $MOUNTDIR`"	138	DATA="`find_live_data_dir $MOUNTDIR`"
139	`# enable kernel warnings`	139	`# enable kernel warnings`
140	`echo "$PRINTK" >/proc/sys/kernel/printk`	140	`echo "$PRINTK" >/proc/sys/kernel/printk`
141		141
142	if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi	142	if [ "$DATA" = "" ]; then modprobe_usb_sata_modules; DATA="`find_live_data_dir $MOUNTDIR`"; fi
143	`if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi`	143	`if [ "$DATA" = "" ]; then fatal "Data for LiveCD not found."; fi`
144	`echolog "LiveCD found in: $DATA"`	144	`echolog "LiveCD found in: $DATA"`
145		145
146	`$DEBUGCMD`	146	`$DEBUGCMD`
147		147
148	`# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.`	148	`# If toram or copy2ram boot parameter is present, copy all .mo modules to RAM.`
149	`# (skip modules from /optional/ which are not listed in load= boot option)`	149	`# (skip modules from /optional/ which are not listed in load= boot option)`
150	`# Finaly modify DATA variable so it will point to correct directory`	150	`# Finaly modify DATA variable so it will point to correct directory`
151	if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then	151	if [ "`cmdline_parameter toram`" != "" -o "`cmdline_parameter copy2ram`" != "" ]; then
152	`echolog "copying modules to RAM, this may take some time"`	152	`echolog "copying modules to RAM, this may take some time"`
153	`copy_to_ram $DATA $COPY2RAM`	153	`copy_to_ram $DATA $COPY2RAM`
154	`cd_autoeject 1`	154	`cd_autoeject 1`
155	`umount $DATA 2>/dev/null`	155	`umount $DATA 2>/dev/null`
156	if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi	156	if [ $? -ne 0 ]; then umount `dirname $DATA` 2>/dev/null; fi
157	`DATA=$COPY2RAM`	157	`DATA=$COPY2RAM`
158	`cd_autoeject 0`	158	`cd_autoeject 0`
159	`fi`	159	`fi`
160		160
161	`mkdir -p $UNION/boot`	161	`mkdir -p $UNION/boot`
162	`mount -o bind $DATA $UNION/boot`	162	`mount -o bind $DATA $UNION/boot`
163		163
164	`$DEBUGCMD`	164	`$DEBUGCMD`
165		165
166	`# DATA contains path to the base directory of all .mo images which need`	166	`# DATA contains path to the base directory of all .mo images which need`
167	`# to be mounted and inserted into live filesystem. Do it now.`	167	`# to be mounted and inserted into live filesystem. Do it now.`
168	`echolog "inserting all modules and creating live filesystem"`	168	`echolog "inserting all modules and creating live filesystem"`
169	`union_insert_modules $UNION $DATA $IMAGES`	169	`union_insert_modules $UNION $DATA $IMAGES`
170		170
171	`$DEBUGCMD`	171	`$DEBUGCMD`
172		172
173	`echo "copying rootchanges"`	173	`echo "copying rootchanges"`
174	`copy_rootchanges $DATA $UNION`	174	`copy_rootchanges $DATA $UNION`
175		175
176	`$DEBUGCMD`	176	`$DEBUGCMD`
177		177
178	`echo "creating /etc/fstab"`	178	`echo "creating /etc/fstab"`
179	`activate_fstab $UNION`	179	`activate_fstab $UNION`
180		180
181	`# More likely these directories aren't there.`	181	`# More likely these directories aren't there.`
182	`# Even if they are, this won't hurt.`	182	`# Even if they are, this won't hurt.`
183	`mkdir -p $UNION/proc`	183	`mkdir -p $UNION/proc`
184	`mkdir -p $UNION/sys`	184	`mkdir -p $UNION/sys`
185	`mkdir -p $UNION/tmp`	185	`mkdir -p $UNION/tmp`
186	`chmod 1777 $UNION/tmp`	186	`chmod 1777 $UNION/tmp`
187	`mkdir -p $UNION/dev`	187	`mkdir -p $UNION/dev`
188	`mkdir -p $UNION/initrd`	188	`mkdir -p $UNION/initrd`
189		189
190	`$DEBUGCMD`	190	`$DEBUGCMD`
191		191
192	`# no X? (set runlevel to 3)`	192	`# no X? (set runlevel to 3)`
193	if [ "`cmdline_parameter nox`" ]; then	193	if [ "`cmdline_parameter nox`" ]; then
194	`echo "set runlevel to 3"`	194	`echo "set runlevel to 3"`
195	`sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab`	195	`sed -i "s/id:.:initdefault:/id:3:initdefault:/" $UNION/etc/inittab`
196	`fi`	196	`fi`
197		197
198	`$DEBUGCMD`	198	`$DEBUGCMD`
199		199
200	`# Union contains all the files and directories unioned from all modules.`	200	`# Union contains all the files and directories unioned from all modules.`
201	`# Change root directory to it, and move initrd's root to /livecd/live/initramdisk`	201	`# Change root directory to it, and move initrd's root to /livecd/live/initramdisk`
202	`# Finaly execute /sbin/init to start the distribution.`	202	`# Finaly execute /sbin/init to start the distribution.`
203	`echolog "changing root directory..."`	203	`echolog "changing root directory..."`
204	`cd $UNION`	204	`cd $UNION`
205	`mkdir -p $INITRAMDISK`	205	`mkdir -p $INITRAMDISK`
206		206
207	`umount /sys # we won't need it anymore`	207	`umount /sys # we won't need it anymore`
208		208
209	`# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi`	209	`# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi`
210		210
211	`# Copy all dev files (found by mdev) to unioned dev directory`	211	`# Copy all dev files (found by mdev) to unioned dev directory`
212	`# so at least disk devices exist (your Linux may need them).`	212	`# so at least disk devices exist (your Linux may need them).`
213	`# Two exceptions, do not copy pty* and tty* devs.`	213	`# Two exceptions, do not copy pty* and tty* devs.`
214	`if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi`	214	`if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi`
215	`cp -fdR /dev . 2>/dev/null`	215	`cp -fdR /dev . 2>/dev/null`
216		216
217	`if [ -x $UNION/usr/sbin/chroot ];`	217	`if [ -x $UNION/usr/sbin/chroot ];`
218	`then CHROOT=/usr/sbin/chroot`	218	`then CHROOT=/usr/sbin/chroot`
219	`else CHROOT=/usr/bin/chroot`	219	`else CHROOT=/usr/bin/chroot`
220	`fi`	220	`fi`
221		221
222	`echolog "End of linux live scripts"`	222	`echolog "End of linux live scripts"`
223		223
224	`# pure magic ;-)`	224	`# pure magic ;-)`
225	`cat $UNION/bin/true >/dev/null`	225	`cat $UNION/bin/true >/dev/null`
226		226
227	`$DEBUGCMD`	227	`$DEBUGCMD`
228		228
229	`pivot_root . $INITRAMDISK`	229	`pivot_root . $INITRAMDISK`
230	`exec $CHROOT . sbin/init <dev/console >dev/console 2>&1`	230	`exec $CHROOT . sbin/init <dev/console >dev/console 2>&1`
231		231
232	`header "ERROR!"`	232	`header "ERROR!"`
233	`echolog "You are not supposed to be here, something went wrong!"`	233	`echolog "You are not supposed to be here, something went wrong!"`
234	`echolog "Even Ctrl+Alt+Del won't help you in kernel panic."`	234	`echolog "Even Ctrl+Alt+Del won't help you in kernel panic."`
235	`echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"`	235	`echolog "Try to boot with 'linux failsafe' or 'linux all_generic_ide'"`
236		236

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(root)/trunk/linux-live.sl/initrd/linuxrc @ 243 – Rev 241 → 243