From d6ce32187b9356cc6f9a1e065912dec81b818928 Mon Sep 17 00:00:00 2001
From: towards-a-new-leftypol <paul_cockshott@protonmail.com>
Date: Wed, 4 Oct 2023 18:01:41 -0400
Subject: [PATCH] add postgresql to have psql to shell

---
 shell.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/shell.nix b/shell.nix
index 8b37464..afc55b1 100644
--- a/shell.nix
+++ b/shell.nix
@@ -27,6 +27,12 @@ let
 
   drv = variant (haskellPackages.callPackage f {});
 
+  enhancedDrv = if pkgs.lib.inNixShell
+    then drv.env.overrideAttrs (oldAttrs: {
+      buildInputs = oldAttrs.buildInputs or [] ++ [ pkgs.postgresql ];
+    })
+    else drv;
+
 in
 
-  if pkgs.lib.inNixShell then drv.env else drv
+  enhancedDrv