fix pruneCmd to use optionals so multi-element list is preserved

4 years ago · 5ad71cfe84
parent 4fa2d4b5c3
commit 5ad71cfe84
1 changed files with 1 additions and 1 deletions
--- a/nixos/modules/services/backup/restic.nix
+++ b/nixos/modules/services/backup/restic.nix
@ -166,7 +166,7 @@ in
          backupPaths = if (backup.dynamicFilesFrom == null)
                        then concatStringsSep " " backup.paths
                        else "--files-from ${filesFromTmpFile}";
-          pruneCmd = optional (builtins.length backup.pruneOpts > 0) [
+          pruneCmd = optionals (builtins.length backup.pruneOpts > 0) [
            ( resticCmd + " forget --prune " + (concatStringsSep " " backup.pruneOpts) )
            ( resticCmd + " check" )
          ];