#! /bin/sh set -efu nix_url=https://nixos.org/releases/nix/nix-1.10/nix-1.10-x86_64-linux.tar.bz2 nix_sha256=504f7a3a85fceffb8766ae5e1005de9e02e489742f5a63cc3e7552120b138bf4 install_nix() {( # install nix on host (cf. https://nixos.org/nix/install) if ! test -e /root/.nix-profile/etc/profile.d/nix.sh; then ( verify() { printf '%s %s\n' $nix_sha256 $(basename $nix_url) | sha256sum -c } if ! verify; then curl -C - -O "$nix_url" verify fi ) nix_src_dir=$(basename $nix_url .tar.bz2) tar jxf $nix_src_dir.tar.bz2 $nix_src_dir/install fi . /root/.nix-profile/etc/profile.d/nix.sh for i in \ bash \ coreutils \ # This line intentionally left blank. do if ! nix-env -q $i | grep -q .; then nix-env -iA nixpkgs.pkgs.$i fi done # install nixos-install if ! type nixos-install 2>/dev/null; then nixpkgs_expr='import <nixpkgs> { system = builtins.currentSystem; }' nixpkgs_path=$(find /nix/store -mindepth 1 -maxdepth 1 -name *-nixpkgs-* -type d) nix-env \ --arg config "{ nix.package = ($nixpkgs_expr).nix; }" \ --arg pkgs "$nixpkgs_expr" \ --arg modulesPath 'throw "no modulesPath"' \ -f $nixpkgs_path/nixpkgs/nixos/modules/installer/tools/tools.nix \ -iA config.system.build.nixos-install fi )} install_nix "$@"