if test -n "$HOME"; then
    NIX_LINK="$HOME/.nix-profile"

    # Set the default profile.
    if ! [ -L "$NIX_LINK" ]; then
        echo "creating $NIX_LINK" >&2
        _NIX_DEF_LINK=@localstatedir@/nix/profiles/default
        @coreutils@/ln -s "$_NIX_DEF_LINK" "$NIX_LINK"
    fi

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

    export PATH=$NIX_LINK/bin:$PATH
fi