From 18aacce488c3d569949b31d446b8e266d38af3b8 Mon Sep 17 00:00:00 2001
From: Henry Lambert <lamberh@tcd.ie>
Date: Wed, 9 Feb 2022 01:19:25 +0000
Subject: [PATCH] small change to default.nix to allow dev customization of
 postgres extensions.

---
 NixSupport/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/NixSupport/default.nix b/NixSupport/default.nix
index 5848d676e..fd80dc531 100644
--- a/NixSupport/default.nix
+++ b/NixSupport/default.nix
@@ -5,6 +5,7 @@
 , projectPath ? ./.
 , withHoogle ? false
 , additionalNixpkgsOptions ? {}
+, postgresExtensions ? (p: [])
 , optimized ? false
 }:
 
@@ -16,7 +17,8 @@ let
       then ghc.ghcWithHoogle
       else ghc.ghcWithPackages)
         (p: builtins.concatLists [ [p.haskell-language-server] (haskellDeps p) ] );
-    allNativePackages = builtins.concatLists [ (otherDeps pkgs) [pkgs.postgresql pkgs.makeWrapper] (if pkgs.stdenv.isDarwin then [] else []) ];
+    allNativePackages = builtins.concatLists [ (otherDeps pkgs)
+    [(pkgs.postgresql_13.withPackages postgresExtensions) pkgs.makeWrapper] (if pkgs.stdenv.isDarwin then [] else []) ];
 
     appBinary = if optimized
       then "build/bin/RunOptimizedProdServer"