adapted; but still does not build with 'stack build --nix'

Signed-off-by: Alexander Diemand <[email protected]>

Author: CodiePP

.stack-to-nix.cache

@@ -3,7 +3,8 @@
 , localPkgs ? import ./. { inherit config system; }
 }:
 let
-  mainShell = localPkgs.nix-tools.libs.cardano-shell.env;
+  # mainShell = localPkgs.nix-tools.libs.cardano-shell.env;
+  mainShell = localPkgs.nix-tools.libs.cardano-shell;
 in mainShell // {
   inherit (localPkgs) runCoveralls;
 }