From 870948306dc4fd33df78124e50b8a261af74d88a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Fri, 14 Jun 2024 11:14:49 +0200
Subject: [PATCH] postgres: handle restores without associated systemd service

---
 clanModules/postgresql/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/clanModules/postgresql/default.nix b/clanModules/postgresql/default.nix
index 215b7fec4..185929881 100644
--- a/clanModules/postgresql/default.nix
+++ b/clanModules/postgresql/default.nix
@@ -159,8 +159,12 @@ in
 
         if [[ -e "${current}" ]]; then
           (
-            systemctl stop ${lib.concatStringsSep " " db.restore.stopOnRestore}
-            trap "systemctl start ${lib.concatStringsSep " " db.restore.stopOnRestore}" EXIT
+            ${
+              lib.optionalString (db.restore.stopOnRestore != [ ]) ''
+                systemctl stop ${builtins.toString db.restore.stopOnRestore}
+                trap "systemctl start ${builtins.toString db.restore.stopOnRestore}" EXIT
+              ''
+            }
 
             mkdir -p "${folder}"
             runuser -u postgres -- dropdb "${db.name}"