multiple shells (Note gists don't support subdirectories so read - as / lol)

dira-.envrc

use flake .#dira

dira-dirc-.envrc

use flake .#'dira/dirc'

dira-dirc-shell.nix

{ mkShell, inputsFrom, asciidoctor }: mkShell {
  name = "dirc";
  inputsFrom = inputsFrom;
  contents = [ asciidoctor ];
}

dira-shell.nix

{ cdktf, mkShell, inputsFrom }: mkShell {
  name = "dira";
  inputsFrom = inputsFrom;
  contents = [ cdktf ];
}

dirb-.envrc

use flake .#dirb

dirb-shell.nix

{ dagger, mkShell, inputFrom }: mkShell {
  name = "dirb";
  inputsFrom = inputsFrom;
  contents = [ dagger ];
}

flake.nix

{
  outputs = { nixpkgs, self}: {
    devShells.x86_64-linux =  with nixpkgs.legacyPackages.x86_64-linux; rec {
      default = mkShell {
        name = "default";
        contents = [ bun ];
      };
      # will have cdktf and bun
      dira = callPackage ./dira/shell.nix { inputsFrom =[ default ]; };
      # will have dagger and bun
      dirb = callPackage ./dirb/shell.nix { inputsFrom = [ default ]; };
      # note: will have both cdktf and asciidoctor and bun
      "dira/dirc" = callPackage ./dira/dirc/shell.nix { inputsFrom = [ dira ]; };
    };
  }
}