From 25984fb0888ed269897927e93d933dca652ff4c0 Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Wed, 3 Nov 2021 17:13:13 +0100
Subject: [PATCH] modules: services: postgresql: persist data

---
 modules/services/postgresql/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/services/postgresql/default.nix b/modules/services/postgresql/default.nix
index 6f51f3e..175c1ce 100644
--- a/modules/services/postgresql/default.nix
+++ b/modules/services/postgresql/default.nix
@@ -18,6 +18,13 @@ in
       };
     })
 
+    # Only persist directory if the actual service is enabled
+    (lib.mkIf config.services.postgresql.enable {
+      my.system.persist.directories = [
+        config.services.postgresql.dataDir
+      ];
+    })
+
     # Taken from the manual
     (lib.mkIf cfg.upgradeScript {
       containers.temp-pg.config.services.postgresql = {