# Only execute this file once per shell.
if [ -n "$__ETC_PROFILE_NIX_SOURCED" ]; then return; fi
__ETC_PROFILE_NIX_SOURCED=1

# Set up secure multi-user builds: non-root users build through the
# Nix daemon.
if [ "$USER" != root -o ! -w @localstatedir@/nix/db ]; then
    export NIX_REMOTE=daemon
fi

export NIX_USER_PROFILE_DIR="@localstatedir@/nix/profiles/per-user/$USER"
export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"

# Set up the per-user profile.
mkdir -m 0755 -p $NIX_USER_PROFILE_DIR
if ! test -O "$NIX_USER_PROFILE_DIR"; then
    echo "WARNING: bad ownership on $NIX_USER_PROFILE_DIR" >&2
fi

if test -w $HOME; then
  if ! test -L $HOME/.nix-profile; then
      if test "$USER" != root; then
          ln -s $NIX_USER_PROFILE_DIR/profile $HOME/.nix-profile
      else
          # Root installs in the system-wide profile by default.
          ln -s @localstatedir@/nix/profiles/default $HOME/.nix-profile
      fi
  fi

  # Subscribe the root user to the NixOS channel by default.
  if [ "$USER" = root -a ! -e $HOME/.nix-channels ]; then
      echo "https://nixos.org/channels/nixpkgs-unstable nixpkgs" > $HOME/.nix-channels
  fi

  # Create the per-user garbage collector roots directory.
  NIX_USER_GCROOTS_DIR=@localstatedir@/nix/gcroots/per-user/$USER
  mkdir -m 0755 -p $NIX_USER_GCROOTS_DIR
  if ! test -O "$NIX_USER_GCROOTS_DIR"; then
      echo "WARNING: bad ownership on $NIX_USER_GCROOTS_DIR" >&2
  fi

  # Set up a default Nix expression from which to install stuff.
  if [ ! -e $HOME/.nix-defexpr -o -L $HOME/.nix-defexpr ]; then
      rm -f $HOME/.nix-defexpr
      mkdir -p $HOME/.nix-defexpr
      if [ "$USER" != root ]; then
          ln -s @localstatedir@/nix/profiles/per-user/root/channels $HOME/.nix-defexpr/channels_root
      fi
  fi
fi

export NIX_SSL_CERT_FILE="@localstatedir@/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
export NIX_PATH="@localstatedir@/nix/profiles/per-user/root/channels"
export PATH="$HOME/.nix-profile/bin:$HOME/.nix-profile/lib/kde4/libexec:@localstatedir@/nix/profiles/default/bin:@localstatedir@/nix/profiles/default:@localstatedir@/nix/profiles/default/lib/kde4/libexec:$PATH"