default.nix

{ pkgs ? import <nixpkgs> {
  overlays = [(
    self: super: {
      dotnet-sdk-lts = super.dotnet-sdk.overrideAttrs (
        old: rec {
          version = "3.1.102";
          src = super.fetchurl {
            url = "https://dotnetcli.azureedge.net/dotnet/Sdk/${version}/dotnet-sdk-${version}-linux-x64.tar.gz";
            sha256 = "e03ceeb5beaf7c228bd8dcbf7712cf12f5ccbfcd6d426afff78bfbd4524ff558";
          };
        }
      );
    }
  )];
}}:

with pkgs;

mkShell {
  buildInputs = [
    ncurses # for `clear`
    emacs
    dotnet-sdk-lts
  ];
}