From 046691a4997a9302ccf582c3bbcdf1dc0ce4ae80 Mon Sep 17 00:00:00 2001
From: Jonathan Davies <jpds@protonmail.com>
Date: Tue, 30 Apr 2024 11:14:42 +0100
Subject: [PATCH] nixos/restic: Use cat config command in pre-start command for
 repo initialization check, per upstream recommendation in
 https://github.com/restic/restic/issues/1690

This is to prevent logs from becoming unwieldy with large repo listings.
---
 nixos/modules/services/backup/restic.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/backup/restic.nix b/nixos/modules/services/backup/restic.nix
index 8b56636c7969..a00d865f06e4 100644
--- a/nixos/modules/services/backup/restic.nix
+++ b/nixos/modules/services/backup/restic.nix
@@ -346,7 +346,7 @@ in
                 ${pkgs.writeScript "backupPrepareCommand" backup.backupPrepareCommand}
               ''}
               ${optionalString (backup.initialize) ''
-                ${resticCmd} snapshots || ${resticCmd} init
+                ${resticCmd} cat config > /dev/null || ${resticCmd} init
               ''}
               ${optionalString (backup.paths != null && backup.paths != []) ''
                 cat ${pkgs.writeText "staticPaths" (concatStringsSep "\n" backup.paths)} >> ${filesFromTmpFile}