nixpkgs/test/boot-stage-1-init.sh

#! @shell@

# Print a greeting.
echo
echo "<<< NixOS Stage 1 >>>"
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.
mkdir /etc # to shut up mount
touch /etc/fstab # idem
mkdir /proc
mount -t proc proc /proc
mkdir /sys
mount -t sysfs sys /sys

# Create device nodes in /dev.
source @makeDevices@

# Load some kernel modules.
export MODULE_DIR=@modules@/lib/modules/
modprobe ide-generic
modprobe ide-disk
modprobe ide-cd

# Mount the installation CD.
mkdir /mnt
mkdir /mnt/cdrom
mount -o ro /dev/hdc /mnt/cdrom

# Start stage 2.  !!! We use chroot for now, but I guess that should
# be pivot_root or so.
chroot /mnt/cdrom /init

# If starting stage 2 failed, start an interactive shell.
echo "Stage 2 failed, starting emergency shell..."
exec @shell@