apply

#!/usr/bin/env bash
set -euo pipefail

main() {
  # allow installing packages with "unfree" licenses
  export NIXPKGS_ALLOW_UNFREE=1

  local profile="${1:-$(uname | tr '[:upper:]' '[:lower:]')}"
  local targetDir="${HOME}/.config/home-manager"
  mkdir -p "${targetDir}"
  ln -sf "${HOME}/dotfiles/profiles/${profile}.nix" "${targetDir}/home.nix"

  # ensure nix things are available
  if [ -f "${HOME}/.nix-profile/etc/profile.d/nix.sh" ]; then
    source $HOME/.nix-profile/etc/profile.d/nix.sh
    export PATH="${HOME}/.nix-profile/bin:${PATH}"
  fi

  export NIX_PATH=$HOME/.nix-defexpr/channels:/nix/var/nix/profiles/per-user/root/channels${NIX_PATH:+:$NIX_PATH}

  # ensure packages installed by home manager are higher priority (0-6, 0 being highest) than nix defaults
  nix-env --set-flag priority 0 home-manager-path

  # for the first run, remove files known to conflict.
  if [ ! -f ~/.config/git/config ]; then
    rm -rf ~/.bashrc ~/.bash_profile
  fi

  home-manager switch
  nix-store --gc
}

main "$@"