nixpkgs/pkgs/development/compilers/dotnet/default.nix

/*
How to combine packages for use in development:
dotnetCombined = with dotnetCorePackages; combinePackages [ sdk_3_1 sdk_2_2 sdk_3_0 sdk aspnetcore_2_1 ];
*/
{ callPackage }:
let
  buildDotnet = attrs: callPackage (import ./buildDotnet.nix attrs) {};
  buildAspNetCore = attrs: buildDotnet (attrs // { type = "aspnetcore"; } );
  buildNetCore = attrs: buildDotnet (attrs // { type = "netcore"; } );
  buildNetCoreSdk = attrs: buildDotnet (attrs // { type = "sdk"; } );
in rec {
  combinePackages = attrs: callPackage (import ./combinePackages.nix attrs) {};

  sdk_2_1 = buildNetCoreSdk {
    version = "2.1.509";
    sha512 = "4B7DC25841F56AADDD685ADB227B362177268E3D052B4ADDDAC2530889B6506B7B4768B751AE75F131143424D02EEE77B4565DAD6B49048C39D2C47E39412FDF";
  };
  sdk_2_2 = buildNetCoreSdk {
    version = "2.2.401";
    sha512 = "05w3zk7bcd8sv3k4kplf20j906and2006g1fggq7y6kaxrlhdnpd6jhy6idm8v5bz48wfxga5b4yys9qx0fp3p8yl7wi67qljpzrq88";
  };
  sdk_3_0 = buildNetCoreSdk {
    version = "3.0.100";
    sha512 = "766da31f9a0bcfbf0f12c91ea68354eb509ac2111879d55b656f19299c6ea1c005d31460dac7c2a4ef82b3edfea30232c82ba301fb52c0ff268d3e3a1b73d8f7";
  };
}