From ace332eb36fd537c9a2674d591fd5e723f8fcb62 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 27 Jul 2015 20:26:19 +0200
Subject: [PATCH] Set a default value for services.postgresql.package
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This is finally possible now that we have ‘system.stateVersion’
(allowing the default package to change over time).
---
 nixos/modules/services/databases/postgresql.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/nixos/modules/services/databases/postgresql.nix b/nixos/modules/services/databases/postgresql.nix
index 4cff2818f3b..bae088c6610 100644
--- a/nixos/modules/services/databases/postgresql.nix
+++ b/nixos/modules/services/databases/postgresql.nix
@@ -154,6 +154,12 @@ in
 
   config = mkIf config.services.postgresql.enable {
 
+    services.postgresql.package =
+      # Note: when changing the default, make it conditional on
+      # ‘system.stateVersion’ to maintain compatibility with existing
+      # systems!
+      mkDefault pkgs.postgresql94;
+
     services.postgresql.authentication = mkAfter
       ''
         # Generated file; do not edit!