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

/*
How to combine packages for use in development:
dotnetCombined = with dotnetCorePackages; combinePackages [ sdk_6_0 aspnetcore_7_0 ];

Hashes and urls are retrieved from:
https://dotnet.microsoft.com/download/dotnet
*/
{ lib, config, callPackage, recurseIntoAttrs }:
let
  buildDotnet = attrs: callPackage (import ./build-dotnet.nix attrs) {};
  buildAttrs = {
    buildAspNetCore = attrs: buildDotnet (attrs // { type = "aspnetcore"; });
    buildNetRuntime = attrs: buildDotnet (attrs // { type = "runtime"; });
    buildNetSdk = attrs: buildDotnet (attrs // { type = "sdk"; });
  };

  ## Files in versions/ are generated automatically by update.sh ##
  dotnet_6_0 = import ./versions/6.0.nix buildAttrs;
  dotnet_7_0 = import ./versions/7.0.nix buildAttrs;
  dotnet_8_0 = import ./versions/8.0.nix buildAttrs;
  dotnet_9_0 = import ./versions/9.0.nix buildAttrs;

  runtimeIdentifierMap = {
    "x86_64-linux" = "linux-x64";
    "aarch64-linux" = "linux-arm64";
    "x86_64-darwin" = "osx-x64";
    "aarch64-darwin" = "osx-arm64";
    "x86_64-windows" = "win-x64";
    "i686-windows" = "win-x86";
  };

  # Convert a "stdenv.hostPlatform.system" to a dotnet RID
  systemToDotnetRid = system: runtimeIdentifierMap.${system} or (throw "unsupported platform ${system}");
in
{
  inherit systemToDotnetRid;

  combinePackages = attrs: callPackage (import ./combine-packages.nix attrs) {};

  dotnet_8 = recurseIntoAttrs (callPackage ./8 { bootstrapSdk = dotnet_8_0.sdk_8_0_1xx; });
  dotnet_9 = recurseIntoAttrs (callPackage ./9 {});
} // lib.optionalAttrs config.allowAliases {
  # EOL
  sdk_2_1 = throw "Dotnet SDK 2.1 is EOL, please use 6.0 (LTS) or 7.0 (Current)";
  sdk_2_2 = throw "Dotnet SDK 2.2 is EOL, please use 6.0 (LTS) or 7.0 (Current)";
  sdk_3_0 = throw "Dotnet SDK 3.0 is EOL, please use 6.0 (LTS) or 7.0 (Current)";
  sdk_3_1 = throw "Dotnet SDK 3.1 is EOL, please use 6.0 (LTS) or 7.0 (Current)";
  sdk_5_0 = throw "Dotnet SDK 5.0 is EOL, please use 6.0 (LTS) or 7.0 (Current)";
} // dotnet_6_0 // dotnet_7_0 // dotnet_8_0 // dotnet_9_0