@@ -77,6 +77,12 @@ let
77 modules = [ ghcHackagePatches.${compiler.nix-name} ] ++ modules;
77 modules = [ ghcHackagePatches.${compiler.nix-name} ] ++ modules;
80+ # Programs for generating Nix expressions from Cabal and Stack
82+ nix-tools = self.callPackage ./nix-tools {
83+ inherit fetchExternal;
80 # Snapshots of Hackage and Stackage, converted to Nix expressions,
86 # Snapshots of Hackage and Stackage, converted to Nix expressions,
81 # regularly updated.
87 # regularly updated.
82 inherit hackage stackage;
88 inherit hackage stackage;