mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-15 11:03:37 +03:00
81 lines
2.0 KiB
Nix
81 lines
2.0 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
# FIXME: Add hook for mounting, right now it's hardcoded to only mount "/".
|
|
# (This'll allow complex schemes like LVM)
|
|
# FIXME: Move udev stuff out.
|
|
|
|
let
|
|
rootfs = config.fileSystems."/".device;
|
|
in
|
|
with import ./initrd-order.nix;
|
|
{
|
|
mobile.boot.stage-1.init =
|
|
lib.mkOrder SWITCH_ROOT_INIT ''
|
|
set -x
|
|
|
|
# FIXME : udev stuff out of here...
|
|
systemd-udevd --daemon
|
|
udevadm trigger --action=add
|
|
udevadm settle
|
|
|
|
targetRoot=/mnt
|
|
|
|
_init_path() {
|
|
local _system=""
|
|
|
|
# Using -L is required, as the link chain is most likely dangling.
|
|
if [ -L "$targetRoot/nix/var/nix/profiles/system" ]; then
|
|
# There is a system symlink, use it.
|
|
# What's that strange dance? We're canonicalizing one level deep of an
|
|
# absolute symlink that we can't easily canonicalize otherwise.
|
|
_system=$(cd $targetRoot/nix/var/nix/profiles/; readlink $(readlink system))
|
|
elif [ -e "$targetRoot/nix-path-registration" ]; then
|
|
# Otherwise, try to find one in nix-path-registration.
|
|
_system="$(grep '^/nix/store/[a-z0-9]\+-nixos-system-' $targetRoot/nix-path-registration | head -1)"
|
|
else
|
|
echo "!!!!!"
|
|
echo "!!!!!"
|
|
echo "!!!!!"
|
|
echo ""
|
|
echo "Could not figure out where `init` is."
|
|
echo "Panic in 2 minutes."
|
|
echo ""
|
|
echo "!!!!!"
|
|
echo "!!!!!"
|
|
echo "!!!!!"
|
|
sleep 2m
|
|
exit 1
|
|
fi
|
|
|
|
echo "$_system/init"
|
|
}
|
|
|
|
mkdir -p $targetRoot
|
|
mount "${rootfs}" $targetRoot
|
|
|
|
echo ""
|
|
echo "***"
|
|
echo ""
|
|
echo "Swiching root to $(_init_path)"
|
|
echo ""
|
|
echo "***"
|
|
echo ""
|
|
|
|
for mp in /proc /sys /dev /run; do
|
|
mkdir -m 0755 -p $targetRoot/$mp
|
|
mount --move $mp $targetRoot/$mp
|
|
done
|
|
|
|
# TODO : hook "AT" switch root
|
|
|
|
# FIXME : udev stuff out of here...
|
|
# Stop udevd.
|
|
udevadm control --exit
|
|
|
|
exec env -i $(type -P switch_root) $targetRoot $(_init_path)
|
|
'';
|
|
|
|
mobile.boot.stage-1.contents = [
|
|
];
|
|
}
|