Fish Nix Profile Script

config.fish

if status --is-login

    if [ -n $HOME ]

        # NIX PROFILE
        set -l NIX_LINK $HOME/.nix-profile
        if [ ! -l $NIX_LINK ]
            set -l _NIX_DEF_LINK /nix/var/nix/profiles/default
            $_NIX_DEF_LINK/bin/ln -s $_NIX_DEF_LINK $NIX_LINK
        end
        set PATH $NIX_LINK/bin $NIX_LINK/sbin $PATH

        # NIX CHANNELS
        if [ ! -e $HOME/.nix-channels ]
            echo 'http://nixos.org/channels/nixpkgs-unstable nixpkgs' >$HOME/.nix-channels
        end

        # NIX PATH
        set -x NIX_PATH $NIX_PATH nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs

    end

end