nixpkgs-suyu/fill-disk.sh
Eelco Dolstra 1f7a8c8ae9 * Started setting up a proper init environment.
svn path=/nixu/trunk/; revision=785
2004-02-16 09:41:00 +00:00

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#! /bin/sh -e
initExpr=$1
make_dir() {
mode=$1
name=$2
echo creating $name...
if ! test -d $root/$name; then mkdir $root/$name; fi
chmod $mode $root/$name
}
root=/tmp/mnt
echo mounting...
mount -t ext2 /dev/discs/disc0/disc $root
make_dir 00755 /dev
make_dir 00755 /proc
make_dir 01777 /tmp
make_dir 00755 /nix
make_dir 00755 /nix/store
make_dir 00755 /nix/var
make_dir 00755 /nix/var/nix
make_dir 00755 /nix/var/nix/db
make_dir 00755 /nix/var/log
make_dir 00755 /nix/var/log/nix
export NIX_ROOT=$root
echo initialising Nix DB...
/nix/bin/nix-store --init
echo verifying Nix DB...
/nix/bin/nix-store --verify
echo registering valid paths...
(while read storepath; do
echo PATH $storepath
if ! /nix/bin/nix-store --isvalid $storepath 2> /dev/null; then
(unset NIX_ROOT; /nix/bin/nix-store --dump $storepath) | /nix/bin/nix-store --restore $storepath
/nix/bin/nix-store --validpath $storepath
fi
done) < /tmp/storepaths
echo registering successors...
(while read line; do
echo SUCC $line
/nix/bin/nix-store --successor $line
done) < /tmp/successors
echo setting init symlink...
initPath=$(/nix/bin/nix-store -qn $initExpr)
rm -f $root/init
ln -s $initPath/bin/init $root/init
echo unmounting...
umount $root
echo syncing...
sync
echo halting...
/sbin/halt -d -f