2006-12-10 23:29:44 +01:00
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#! @staticShell@
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2006-11-02 23:48:01 +01:00
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2006-11-10 15:38:15 +01:00
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fail() {
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# If starting stage 2 failed, start an interactive shell.
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echo "Stage 2 failed, starting emergency shell..."
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2007-02-06 17:53:36 +01:00
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echo "(Stage 1 init script is $stage2Init)"
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2006-12-10 23:29:44 +01:00
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exec @staticShell@
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2006-11-10 15:38:15 +01:00
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}
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2006-11-12 19:48:47 +01:00
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2006-11-02 23:48:01 +01:00
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# Print a greeting.
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2006-11-02 23:50:30 +01:00
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echo
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2007-05-29 21:54:14 +02:00
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echo "<<< NixOS Stage 1 >>>"
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2006-11-02 23:50:30 +01:00
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echo
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2006-11-02 23:48:01 +01:00
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2006-11-12 19:48:47 +01:00
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2006-11-02 23:48:01 +01:00
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# Set the PATH.
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export PATH=/empty
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for i in @path@; do
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PATH=$PATH:$i/bin
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2006-11-03 01:36:08 +01:00
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if test -e $i/sbin; then
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PATH=$PATH:$i/sbin
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fi
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2006-11-02 23:48:01 +01:00
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done
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2006-11-12 19:48:47 +01:00
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2006-11-03 01:36:08 +01:00
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# Mount special file systems.
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2006-11-27 02:35:34 +01:00
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mkdir -p /etc # to shut up mount
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2006-11-03 01:36:08 +01:00
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touch /etc/fstab # idem
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2006-11-27 02:35:34 +01:00
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mkdir -p /proc
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2006-11-04 01:18:22 +01:00
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mount -t proc none /proc
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2006-11-27 02:35:34 +01:00
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mkdir -p /sys
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2006-11-04 01:18:22 +01:00
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mount -t sysfs none /sys
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2006-11-03 01:36:08 +01:00
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2006-11-24 01:04:29 +01:00
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# Process the kernel command line.
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stage2Init=@stage2Init@
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for o in $(cat /proc/cmdline); do
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case $o in
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init=*)
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set -- $(IFS==; echo $o)
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stage2Init=$2
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;;
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debugtrace)
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# Show each command.
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set -x
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;;
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2007-05-30 12:32:42 +02:00
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debug1) # stop right away
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2006-11-24 01:04:29 +01:00
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fail
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;;
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2007-05-30 12:32:42 +02:00
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debug1devices) # stop after loading modules and creating device nodes
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debug1devices=1
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;;
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debug1mounts) # stop after mounting file systems
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debug1mounts=1
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;;
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2006-11-24 01:04:29 +01:00
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esac
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done
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2006-11-03 01:36:08 +01:00
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# Load some kernel modules.
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2006-12-19 23:12:44 +01:00
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export MODULE_DIR=@modulesDir@/lib/modules/
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for i in @modules@; do
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modprobe $i
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done
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2006-11-03 10:45:06 +01:00
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2007-12-25 17:07:55 +01:00
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2007-12-20 22:33:45 +01:00
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# Try to resume - all modules are loaded now
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2007-12-25 17:07:55 +01:00
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if test -n "$(cat /sys/power/tuxonice/resume)"; then
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echo 0 > /sys/power/tuxonice/user_interface/enabled
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echo 1 > /sys/power/tuxonice/do_resume || echo "Failed to resume..."
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fi
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2007-12-20 22:33:45 +01:00
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2006-11-10 15:38:15 +01:00
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2007-01-10 13:42:28 +01:00
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# Create device nodes in /dev.
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mknod -m 0666 /dev/null c 1 3
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export UDEV_CONFIG_FILE=/udev.conf
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echo 'udev_rules="/no-rules"' > $UDEV_CONFIG_FILE
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udevd --daemon
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udevtrigger
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udevsettle
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2007-06-28 11:57:36 +02:00
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if type -p dmsetup > /dev/null; then
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echo "dmsetup found, starting device mapper and lvm"
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dmsetup mknodes
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2007-09-01 20:05:46 +02:00
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lvm vgscan --ignorelockingfailure
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lvm vgchange -ay --ignorelockingfailure
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2007-06-28 11:57:36 +02:00
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fi
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2007-05-30 12:32:42 +02:00
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if test -n "$debug1devices"; then fail; fi
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2007-01-10 13:42:28 +01:00
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2007-02-06 17:53:36 +01:00
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# Function for mounting a file system.
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mountFS() {
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local device="$1"
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local mountPoint="$2"
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local options="$3"
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2007-09-01 19:59:00 +02:00
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local fsType="$4"
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2007-02-06 17:53:36 +01:00
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# Check the root device, if .
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mustCheck=
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if test -b "$device"; then
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mustCheck=1
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else
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case $device in
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LABEL=*)
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mustCheck=1
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;;
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esac
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fi
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if test -n "$mustCheck"; then
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2007-11-01 16:58:01 +01:00
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FSTAB_FILE="/etc/mtab" fsck -C -a "$device"
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2007-02-06 17:53:36 +01:00
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fsckResult=$?
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if test $(($fsckResult | 2)) = $fsckResult; then
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echo "fsck finished, rebooting..."
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sleep 3
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# reboot -f -d !!! don't have reboot yet
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fail
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fi
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if test $(($fsckResult | 4)) = $fsckResult; then
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echo "$device has unrepaired errors, please fix them manually."
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fail
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fi
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if test $fsckResult -ge 8; then
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echo "fsck on $device failed."
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fail
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fi
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fi
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# Mount read-writable.
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2007-09-01 19:59:00 +02:00
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mount -n -t "$fsType" -o "$options" "$device" /mnt/root$mountPoint || fail
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2007-02-06 17:53:36 +01:00
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}
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2006-11-12 19:48:47 +01:00
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# Try to find and mount the root device.
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2006-11-03 10:45:06 +01:00
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mkdir /mnt
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2006-11-12 19:48:47 +01:00
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mkdir /mnt/root
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2007-05-28 16:09:04 +02:00
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echo "mounting the root device.... (fix: sleeping 5 seconds to wait for upcoming usb drivers)"
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sleep 5
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2006-11-12 19:48:47 +01:00
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if test -n "@autoDetectRootDevice@"; then
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2006-11-10 15:38:15 +01:00
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2006-11-12 19:48:47 +01:00
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# Look for the root device by label.
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echo "probing for the NixOS installation CD..."
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2006-11-10 15:38:15 +01:00
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2006-12-23 02:16:39 +01:00
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for i in /sys/block/*; do
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if test "$(cat $i/removable)" = "1"; then
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2006-11-10 15:38:15 +01:00
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2006-12-23 02:16:39 +01:00
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echo " in $(basename $i)..."
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2006-11-10 15:38:15 +01:00
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2006-12-23 02:16:39 +01:00
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set -- $(IFS=: ; echo $(cat $i/dev))
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major="$1"
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minor="$2"
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2006-11-10 15:38:15 +01:00
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2006-12-23 02:16:39 +01:00
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# Create a device node for this device.
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rm -f /dev/tmpdev
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mknod /dev/tmpdev b "$major" "$minor"
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if mount -n -o ro -t iso9660 /dev/tmpdev /mnt/root; then
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2006-11-12 19:48:47 +01:00
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if test -e "/mnt/root/@rootLabel@"; then
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found=1
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break
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fi
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umount /mnt/root
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2006-11-10 15:38:15 +01:00
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fi
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2006-11-12 19:48:47 +01:00
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fi
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done
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if test -z "$found"; then
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echo "CD not found!"
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fail
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2006-11-10 15:38:15 +01:00
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fi
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2006-11-12 19:48:47 +01:00
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else
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2007-02-06 17:53:36 +01:00
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# Hard-coded root device(s).
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mountPoints=(@mountPoints@)
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devices=(@devices@)
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fsTypes=(@fsTypes@)
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optionss=(@optionss@)
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for ((n = 0; n < ${#mountPoints[*]}; n++)); do
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mountPoint=${mountPoints[$n]}
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device=${devices[$n]}
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fsType=${fsTypes[$n]}
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options=${optionss[$n]}
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# !!! Really quick hack to support bind mounts, i.e., where
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# the "device" should be taken relative to /mnt/root, not /.
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2007-09-01 19:59:00 +02:00
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# Assume that every device that start with / but doesn't
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# start with /dev or LABEL= is a bind mount.
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2007-02-06 17:53:36 +01:00
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case $device in
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/dev/*)
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;;
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LABEL=*)
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;;
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2007-09-01 19:59:00 +02:00
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/*)
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2007-02-06 17:53:36 +01:00
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device=/mnt/root$device
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;;
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esac
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echo "mounting $device on $mountPoint..."
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2007-09-01 19:59:00 +02:00
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mountFS "$device" "$mountPoint" "$options" "$fsType"
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2007-02-06 17:53:36 +01:00
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done
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2006-11-10 15:38:15 +01:00
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fi
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2006-11-03 01:36:08 +01:00
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2007-05-30 12:32:42 +02:00
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if test -n "$debug1mounts"; then fail; fi
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2006-11-24 01:04:29 +01:00
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2006-11-06 23:21:50 +01:00
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# Start stage 2.
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# !!! Note: we can't use pivot_root here (the kernel gods have
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# decreed), but we could use run-init from klibc, which deletes all
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# files in the initramfs, remounts the target root on /, and chroots.
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2006-11-12 19:48:47 +01:00
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cd /mnt/root
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2006-11-06 23:21:50 +01:00
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mount --move . /
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umount /proc # cleanup
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umount /sys
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2006-11-13 12:41:27 +01:00
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2006-11-24 01:04:29 +01:00
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if test -z "$stage2Init"; then fail; fi
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exec chroot . $stage2Init
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2006-11-04 01:01:13 +01:00
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2006-11-10 15:38:15 +01:00
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fail
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