Use two different cardano-node versions

flake.nix

@@ -7,9 +7,10 @@
 
     # for the purescript project
     ogmios.url = "github:mlabs-haskell/ogmios";
-    # so named because we also need the non-flake of the repo below
-    # in the server inputs
-    cardano-node = {
+    # so named because we also need a different version of the repo below
+    # in the server inputs and we use this one just for the `cardano-cli`
+    # executables
+    cardano-node-exe = {
       url = "github:input-output-hk/cardano-node/ea8b632820db5546b22430bbb5ed8db4a2fef7dd";
     };
     cardano-configurations = {
@@ -45,6 +46,11 @@
         "github:input-output-hk/cardano-ledger-specs/bf008ce028751cae9fb0b53c3bef20f07c06e333";
       flake = false;
     };
+    cardano-node = {
+      url =
+        "github:input-output-hk/cardano-node/2cbe363874d0261bc62f52185cf23ed492cf4859";
+      flake = false;
+    };
     cardano-prelude = {
       url =
         "github:input-output-hk/cardano-prelude/fd773f7a58412131512b9f694ab95653ac430852";
@@ -144,6 +150,8 @@
       # It might be a good idea to keep this as a separate shell; if you're
       # working on the PS frontend, it doesn't make a lot of sense to pull
       # in all of the Haskell dependencies
+      #
+      # This can be used with `nix develop .#hsDevShell.<SYSTEM>`
       hsDevShell = perSystem (system:
         let
           psDevShell = (psProjectFor system).devShell;

purescript/nix/dev-shell.nix

@@ -13,7 +13,7 @@ with inputs;
 pkgs.mkShell {
   buildInputs = with easy-ps; [
     ogmios.packages.${system}."ogmios:exe:ogmios"
-    cardano-node.packages.${system}.cardano-cli
+    cardano-node-exe.packages.${system}.cardano-cli
     compiler
     spago
     purescript-language-server