74 lines
2.2 KiB
Nix
74 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
with builtins; with lib; {
|
|
|
|
config = mkIf config.wsl.enable (
|
|
let
|
|
mkTarball = pkgs.callPackage "${lib.cleanSource pkgs.path}/nixos/lib/make-system-tarball.nix";
|
|
|
|
pkgs2storeContents = map (x: { object = x; symlink = "none"; });
|
|
|
|
rootfs = let tarball = config.system.build.tarball; in "${tarball}/tarball/${tarball.fileName}.tar${tarball.extension}";
|
|
|
|
installer = pkgs.writeScript "installer.sh" ''
|
|
#!${pkgs.busybox}/bin/sh
|
|
BASEPATH=$PATH
|
|
export PATH=$BASEPATH:${pkgs.busybox}/bin # Add busybox to path
|
|
|
|
set -e
|
|
cd /
|
|
|
|
echo "Unpacking root file system..."
|
|
${pkgs.pv}/bin/pv ${rootfs} | tar xz
|
|
|
|
echo "Activating nix configuration..."
|
|
/nix/var/nix/profiles/system/activate
|
|
PATH=$BASEPATH:/run/current-system/sw/bin # Use packages from target system
|
|
|
|
echo "Cleaning up installer files..."
|
|
nix-collect-garbage
|
|
rm /nix-path-registration
|
|
|
|
echo "Optimizing store..."
|
|
nix-store --optimize
|
|
|
|
# Don't package the shell here, it's contained in the rootfs
|
|
exec ${builtins.unsafeDiscardStringContext config.users.users.root.shell} "$@"
|
|
'';
|
|
|
|
# Set installer.sh as the root shell
|
|
passwd = pkgs.writeText "passwd" ''
|
|
root:x:0:0:System administrator:/root:${installer}
|
|
'';
|
|
in
|
|
{
|
|
|
|
system.build.installer = mkTarball {
|
|
fileName = "nixos-wsl-installer";
|
|
compressCommand = "gzip";
|
|
compressionExtension = ".gz";
|
|
extraArgs = "--hard-dereference";
|
|
|
|
storeContents = with pkgs; pkgs2storeContents [
|
|
installer
|
|
];
|
|
|
|
contents = [
|
|
{ source = config.environment.etc."wsl.conf".source; target = "/etc/wsl.conf"; }
|
|
{ source = config.environment.etc."fstab".source; target = "/etc/fstab"; }
|
|
{ source = passwd; target = "/etc/passwd"; }
|
|
{ source = "${pkgs.busybox}/bin/busybox"; target = "/bin/sh"; }
|
|
{ source = "${pkgs.busybox}/bin/busybox"; target = "/bin/mount"; }
|
|
];
|
|
|
|
extraCommands = pkgs.writeShellScript "prepare" ''
|
|
export PATH=$PATH:${pkgs.coreutils}/bin
|
|
mkdir -p bin
|
|
ln -s /init bin/wslpath
|
|
'';
|
|
};
|
|
|
|
}
|
|
);
|
|
|
|
}
|