add tmpfiles

database-setup.nu

@@ -0,0 +1,27 @@
+def main [
+    user_config: string
+    database_config: string
+] {
+    alias psql = ^psql --tuples-only --no-align
+
+    if not ($user_config | path exists) {
+        print $"($user_config) does not exist!"
+        exit 1
+    }
+    if not ($database_config | path exists) {
+        print $"($database_config) does not exist!"
+        exit 1
+    }
+
+    let users = ($user_config | open)
+    let databases = ($database_config | open)
+
+    $users | debug
+    $databases | debug
+
+    $users | each {
+        |user|
+        let exists = ("SELECT 1 FROM pg_roles WHERE rolname=:'username';" | psql --variable username=$"($user.username)")
+        $exists | debug
+    }
+}

flake.nix

@@ -427,6 +427,11 @@
                   useDefaultShell = true;
                 };
 
+                systemd.tmpfiles.rules = [
+                  "d /var/lib/posgresql 0750 postgresql postgresql -"
+                  "d /var/lib/posgresql/15 0700 postgresql postgresql -"
+                ];
+
                 systemd.services.postgresql =
                   let
                     hbaFile = pkgs.writeTextDir "pg_hba.conf" ''