From e93369306761124f88fcb4bde02fa6a09bc8c8c5 Mon Sep 17 00:00:00 2001
From: 1sixth <1sixth@azc.moe>
Date: Mon, 7 Sep 2026 21:54:20 +0800
Subject: [PATCH] nixos/restic: fix repository initialization checks

1. Add `--no-lock` to `restic cat config`.
2. Run `restic init` only if the exit code is 10 (repository does not exist).
---
 nixos/modules/services/backup/restic.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/backup/restic.nix b/nixos/modules/services/backup/restic.nix
index 8344fc84246a..65031ad0d077 100644
--- a/nixos/modules/services/backup/restic.nix
+++ b/nixos/modules/services/backup/restic.nix
@@ -478,7 +478,14 @@ in
               ${pkgs.writeScript "backupPrepareCommand" backup.backupPrepareCommand}
             ''}
             ${lib.optionalString backup.initialize ''
-              ${resticCmd} cat config > /dev/null || ${resticCmd} init
+              ${resticCmd} cat config --no-lock > /dev/null || {
+                status=$?
+                if [ "$status" -eq 10 ]; then
+                  ${resticCmd} init
+                else
+                  exit "$status"
+                fi
+              }
             ''}
             ${lib.optionalString (backup.paths != null && backup.paths != [ ]) ''
               cat ${pkgs.writeText "staticPaths" (lib.concatLines backup.paths)} >> ${filesFromTmpFile}