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nixpkgs/test/boot-stage-2-init.sh
Eelco Dolstra 49f8402876 * Boot into a fully functional stage 2.
* Stage 2 init: handle non-read-only roots.

svn path=/nixu/trunk/; revision=7014
2006-11-13 11:41:27 +00:00

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#! @shell@
# !!! copied from stage 1; remove duplication
# Print a greeting.
echo
echo "<<< NixOS Stage 2 >>>"
echo
# Set the PATH.
export PATH=/empty
for i in @path@; do
PATH=$PATH:$i/bin
if test -e $i/sbin; then
PATH=$PATH:$i/sbin
fi
done
# Mount special file systems, initialise required directories.
if test -z "@readOnlyRoot@"; then
#rootDev=$(grep "/dev/.* / " /proc/mounts | sed 's/^\([^ ]*\) .*/\1/')
mount -o remount,rw /dontcare / # !!! check for failure
fi
needWritableDir() {
if test -n "@readOnlyRoot@"; then
mount -t tmpfs none $1 $3
chmod $2 $1
else
mkdir -m $2 -p $1
fi
}
needWritableDir /etc 0755 -n # to shut up mount
test -e /etc/fstab || touch /etc/fstab # idem
mount -t proc none /proc
mount -t sysfs none /sys
needWritableDir /dev 0755
needWritableDir /tmp 01777
needWritableDir /var 0755
needWritableDir /nix/var 0755
mkdir -m 0755 -p /nix/var/nix/db
mkdir -m 0755 -p /nix/var/nix/gcroots
mkdir -m 0755 -p /nix/var/nix/temproots
# Ensure that the module tools can find the kernel modules.
export MODULE_DIR=@kernel@/lib/modules/
# Start udev.
udevd --daemon
# Let udev create device nodes for all modules that have already been
# loaded into the kernel (or for which support is built into the
# kernel).
udevtrigger
udevsettle # wait for udev to finish
# Start syslogd.
mkdir -m 0755 -p /var/run
#mkdir -p /var/log
#touch /var/log/messages
echo "*.* /dev/tty10" > /etc/syslog.conf
echo "syslog 514/udp" > /etc/services # required, even if we don't use it
@sysklogd@/sbin/syslogd &
# Try to load modules for all PCI devices.
for i in /sys/bus/pci/devices/*/modalias; do
echo "Trying to load a module for $(basename $(dirname $i))..."
modprobe $(cat $i)
done
# Bring up the network devices.
modprobe af_packet
for i in $(cd /sys/class/net && ls -d *); do
echo "Bringing up network device $i..."
if ifconfig $i up; then
if test "$i" != "lo"; then
mkdir -p /var/state/dhcp
dhclient $i
fi
fi
done
# login/su absolutely need this.
test -e /etc/login.defs || touch /etc/login.defs
# Enable a password-less root login.
if ! test -e /etc/passwd; then
echo "root::0:0:root:/:@shell@" > /etc/passwd
fi
if ! test -e /etc/group; then
echo "root:*:0" > /etc/group
fi
# Set up inittab.
for i in $(seq 1 6); do
echo "$i:2345:respawn:@mingetty@/sbin/mingetty --noclear tty$i" >> /etc/inittab
done
# Show a nice greeting on each terminal.
cat > /etc/issue <<EOF
<<< Welcome to NixOS (\m) - Kernel \r (\l) >>>
You can log in as \`root'.
EOF
# Additional path for the interactive shell.
for i in @extraPath@; do
PATH=$PATH:$i/bin
if test -e $i/sbin; then
PATH=$PATH:$i/sbin
fi
done
cat > /etc/profile <<EOF
export PATH=$PATH
export MODULE_DIR=$MODULE_DIR
EOF
# Set the host name.
hostname nixos
# Start an interactive shell.
#exec @shell@
# Start init.
exec init 2