nixpkgs/fill-disk.sh

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#! @bash@/bin/sh -e
export PATH=/bin:/sbin:@bash@/bin:@findutils@/bin:@e2fsprogs@/sbin:@grub@/sbin:@sysvinitPath@/sbin:@eject@/bin:@dhcp@/sbin:@modutils@/sbin:@busybox@/bin:@busybox@/sbin
kernel=@kernel@
xawtv=@xawtv@
narStorePaths=/cdrom/narstorepaths
sysvinitPath=@sysvinitPath@
bootPath=@bootPath@
modutils=@modutils@
mingetty=@mingetty@
nixpkgs=/nixpkgs/trunk
echo formatting target device
if test -e disklayout; then
source disklayout
else
echo no disk layout configuration present...exiting
exit 1
fi
# $targetdrive is also used by GRUB!
#targetdrive=/dev/hda
targetdrive=${TARGETDRIVE}
#device=${targetdrive}1
device=${INSTALLDEVICE}
mkfs.ext2 ${device}
#swapdevice=${targetdrive}2
swapdevice=${SWAP}
mkswap $swapdevice
echo enabling swap
swapon $swapdevice
#if ! test -n "$1"
#then
# echo "need harddisk device for installing!"
# exit
#else
# device=$1
#fi
##
## Two convenience shell functions
##
make_dir() {
mode=$1
name=$2
echo creating $name...
if ! test -d $root/$name; then mkdir $root/$name; fi
chmod $mode $root/$name
}
touch_file() {
name=$1
echo touching $name...
if ! test -d $root/$name; then touch $root/$name; fi
}
root=/tmp/mnt
mkdir -p $root
echo mounting the target drive
mount -t ext2 $device $root
##
## Create a directory tree on the installation disk.
##
echo creating file system hierarchy on target drive
make_dir 00755 /bin
make_dir 00755 /boot
make_dir 00755 /cdrom
make_dir 00755 /dev
make_dir 00755 /dev/pts
make_dir 00755 /etc # global non-constant configuration
make_dir 00755 /etc/ssh
make_dir 00755 /etc/sysconfig
make_dir 00755 /home
make_dir 00755 /lib
make_dir 00755 /lib/modules
make_dir 00755 /mnt
make_dir 00755 /mnt/host
make_dir 00755 /nix
make_dir 00755 /nix/store
make_dir 00755 /nix/var
make_dir 00755 /nix/var/nix
make_dir 00755 /nix/var/nix/db
make_dir 00755 /nix/var/nix/gcroots
make_dir 00755 /nix/var/nix/manifests
make_dir 00755 /nix/var/nix/profiles
make_dir 00755 /nix/var/nix/temproots
make_dir 00755 /nix/var/log
make_dir 00755 /nix/var/log/nix
make_dir 00755 /proc
make_dir 00750 /root
make_dir 00755 /sbin
make_dir 00755 /sys
make_dir 01777 /tmp
make_dir 00755 /usr
make_dir 00755 /var
make_dir 00755 /var/empty
make_dir 00111 /var/empty/sshd
make_dir 00755 /var/lock
make_dir 00755 /var/lock/subsys
make_dir 00755 /var/log
make_dir 00755 /var/run
make_dir 00755 /var/run/usb
make_dir 00755 /var/spool
make_dir 00755 /var/state
make_dir 00755 /var/state/dhcp
make_dir 00755 /var/tmp
##
## Add a few devices to /dev on the install disk. This is by far complete.
##
echo making device nodes on target drive
mknod -m 0666 $root/dev/null c 1 3
mknod -m 0600 $root/dev/console c 5 1
mknod -m 0600 $root/dev/tty c 5 0
mknod -m 0600 $root/dev/tty0 c 4 0
mknod -m 0600 $root/dev/tty1 c 4 1
mknod -m 0600 $root/dev/tty2 c 4 2
mknod -m 0600 $root/dev/tty3 c 4 3
mknod -m 0444 $root/dev/urandom c 1 9
## needed for sshd and friends. Should actually be made by udev.
mknod -m 0666 $root/dev/ptmx c 5 2
rm -f $root/etc/mtab
ln -s /proc/mounts $root/etc/mtab
# prevent df from barfing
ln -s /proc/mounts /etc/mtab
## Probe for CD device which contains our CD here and mount /nix and
## /nixpkgs from it inside the ramdisk. Anaconda uses kudzu for this.
## Find out how Knoppix and SUSE do this...
DEVICES="/dev/hd?"
for i in ${DEVICES}
do
echo "Looking for CDROM in: $i"
if mount -t iso9660 $i /cdrom >/dev/null 2>&1
then
if test -f /cdrom/NIXOS
then
cddevice=$i
echo "Accessing NixOS CDROM at $i"
break
fi
fi
done
echo mounting /cdrom in the target
mount --bind /cdrom $root/cdrom
mount --bind /cdrom/lib /lib
echo switch to /nix from CD
## starting here it's OK to have full blown glibc
mount --bind /cdrom/nix /nix
#echo probing for hardware...
#kudzu
export NIX_DATA_DIR=$root/nix/share
export NIX_LOG_DIR=$root/nix/log/nix
export NIX_STATE_DIR=$root/nix/var/nix
export NIX_CONF_DIR=$root/nix/etc
NIX=@nix@/bin
echo bringing up networking...
#labmachine has 3c59x
#modprobe 3c59x
#vmware has pcnet32
modprobe pcnet32
dhclient eth0
cp /etc/resolv.conf $root/etc/resolv.conf
#nic=`kudzu -p | grep eth | sort | uniq | cut -d ' ' -f 2`
#echo "NIC: $nic"
echo initialising Nix DB...
$NIX/nix-store --init
echo verifying Nix DB...
$NIX/nix-store --verify
echo copying nixpkgs...
tar --directory=$root -zxf /cdrom/nixpkgs.tgz
make_dir 0755 /tmp/scripts
cp -fa /cdrom/scripts $root/tmp
echo adding packages
export NIX_ROOT=$root
unset NIX_DATA_DIR
unset NIX_LOG_DIR
unset NIX_STATE_DIR
unset NIX_CONF_DIR
cp /cdrom/mystorepaths $root/tmp
echo copying store
tar --directory=$root -zxf /cdrom/nixstore.tgz
echo registering valid paths...
$NIX/nix-store --register-validity < $root/tmp/mystorepaths
unset NIX_ROOT
export NIX_DATA_DIR=$root/nix/share
export NIX_LOG_DIR=$root/nix/log/nix
export NIX_STATE_DIR=$root/nix/var/nix
export NIX_CONF_DIR=$root/nix/etc
echo creating /bin/sh
ln -s @bashGlibc@/bin/sh $root/bin/sh
echo adding manifest
$NIX/nix-pull file:///cdrom/MANIFEST
export NIX_ROOT=$root
unset NIX_DATA_DIR
unset NIX_LOG_DIR
unset NIX_STATE_DIR
unset NIX_CONF_DIR
## Fix this. Probably nix-instantiate, then nix-store -r.
## Also make sure everything gets installed into an actual profile!
$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A nixUnstable
$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A coreutils
$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A gnugrep
#$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A kernel
$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A kernelscripts
$NIX/nix-env -iKf $nixpkgs/pkgs/top-level/all-packages.nix -A grub
cat $narStorePaths | xargs -n 1 -i% $NIX/nix-env -i %
echo setting init symlink...
rm -f $root/init
#ln -s $sysvinitPath/sbin/init $root/init
ln -s @sysvinitPath@/sbin/init $root/sbin/init
#ln -s @bash@/bin/bash $root/bin/bash
echo setting up inittab...
rm -f $root/etc/inittab
echo "id:2:initdefault:" >> $root/etc/inittab
echo "si::bootwait:$bootPath/bin/boot.sh" >> $root/etc/inittab
echo "ht:06:wait:$bootPath/bin/halt.sh" >> $root/etc/inittab
echo "1:2345:respawn:$bootPath/bin/login.sh /dev/tty1" >> $root/etc/inittab
echo "#2:2345:respawn:$mingetty/sbin/mingetty tty2" >> $root/etc/inittab
echo "#3:2345:respawn:$mingetty/sbin/mingetty tty3" >> $root/etc/inittab
#echo "2:2345:respawn:$bootPath/bin/login.sh /dev/ttys/1" >> $root/etc/inittab
echo setting up networking information...
make_dir 00755 /etc/networking
#cp /etc/resolv.conf $root/etc
rm -f $root/etc/hosts
echo "127.0.0.1 localhost" >> $root/etc/hosts
echo storing hardware information...
#kudzu -p > $root/etc/sysconfig/hwconf
#cp /etc/modprobe.conf $root/etc/
echo setting up initial account information...
echo "root:x:0:root" > $root/etc/group
echo "sshd:x:74:" >> $root/etc/group
echo "root:x:0:0:root:/root:/bin/sh" > $root/etc/passwd
echo "sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin" >> $root/etc/passwd
echo "root::12757:0:99999:7:::" >> $root/etc/shadow
echo "sshd:!!:12757:0:99999:7:::" >> $root/etc/shadow
echo default profile for root
echo "source @nix@/etc/profile.d/nix.sh" > $root/root/.profile
touch_file /etc/login.defs
touch_file /etc/services
##
## Do kernel stuff here.
##
strippedName=$(basename $root/@kernel@);
if echo "$strippedName" | grep -q '^[a-z0-9]\{32\}-'; then
strippedName=$(echo "$strippedName" | cut -c34- | cut -c 7-)
fi
kernelhash=$(basename $root/@kernel@);
if echo "$kernelhash" | grep -q '^[a-z0-9]\{32\}-'; then
kernelhash=$(echo "$kernelhash" | cut -c -32)
fi
version=$strippedName-$kernelhash
ln -s @kernelscripts@/lib/modules/$version $root/lib/modules/$version
##
## init
##
ln -s $device $root/dev/root
ln -s @sysvinitPath@/sbin/init /sbin/init
##
## Do funky stuff with grub here.
##
echo installing bootloader
grub-install --root-directory=${root} --no-floppy ${targetdrive}
# FIXME "root (hd0,0)"
cat > $root/boot/grub/menu.lst << GRUBEND
default=0
timeout=5
title NixOS
kernel @kernel@/vmlinuz root=$device
GRUBEND
echo clearing substitutes
$NIX/nix-store --clear-substitutes
echo clearing network information
rm $root/etc/resolv.conf
echo copying install log
cp /tmp/install-log $root/root
# bizar. busybox umount doesn't like things with --bind it seems.
echo umounting filesystem
umount $root/cdrom
umount $root
#umount /nix
umount /cdrom
#echo ejecting $cddevice
#eject $cddevice
echo install done
echo it\'s safe to turn off your machine
echo exiting install process
#while true; do
#sleep 60;
#done