# empty nix based chroot... install variant

function inst_create_dir() {
  mkdir -p /cachy
}

function inst_mount() {
  if findmnt /cachy/nix; then
    return
  fi
  
  mkdir -p /cachy/nix
  mkdir -p /cachy/proc
  mkdir -p /cachy/sys
  mkdir -p /cachy/out
  mkdir -p /cachy/dev
  mount -o bind /nix /cachy/nix
  mount -o bind /proc /cachy/proc
  mount -o bind /sys /cachy/sys
  mount -o bind /dev /cachy/dev
  mount -o bind / /cachy/out
}

function inst_enter() {
  NIX=$(realpath $(which nix))
  SHELL=$(realpath $(which bash))
  CHROOT=$(which chroot)
  ENV=$(dirname $(realpath $(which env)))/env
  PATH=$(nix eval --impure --raw --expr 'let pkgs = import <nixpkgs> {}; in with pkgs; lib.makeBinPath [ vim nix pacman busybox curl bash gawk ]')
  echo -en 'source /to-source; echo hooooooo; rm /rcfile' > /cachy/rcfile
  $CHROOT /cachy $ENV -i PATH="$PATH" $SHELL --rcfile /rcfile
  # export SSL_CERT_FILE=/out/etc/static/ssl/certs/ca-certificates.crt
  mkdir -p /etc
  echo "nameserver 1.1.1.1" > /etc/resolv.conf

}

function inst_setup() {
  curl https://mirror.cachyos.org/cachyos-repo.tar.xz -o cachyos-repo.tar.xz
  tar -xf cachyos-repo.tar.xz
  touch /etc/pacman.conf
  pacman-key --init
  mkdir -p /var/lib/pacman
  bash ./cachyos-repo/cachyos-repo.sh
  mkdir -p /lib
  ln -fs $(nix eval --extra-experimental-features nix-command --extra-experimental-features flakes nixpkgs#glibc.out --raw)/lib64/ld-linux-x86-64.so.2 /lib/ld-linux-x86-64.so.2
}