From the [1]: > 3. Add the package to the file pkgs/top-level/all-packages.nix. The Nix expression written in the first step is a function; it requires other p

From the [1]: > 3. Add the package to the file pkgs/top-level/all-packages.nix. The Nix expression written in the first step is a function; it requires other packages in order to build it. In this step you put it all together, i.e., you call the function with the right arguments to build the actual package. [1] https://nixos.org/manual/nix/stable/expressions/simple-expression.html https://nixos.org/manual/nix/stable/expressions/simple-expre...