#! @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