modules/backup: Speed up backup time by skipping checks and only show the last snapshot

configuration/desktop/networking.nix

@@ -5,6 +5,9 @@
   networking.networkmanager.extraConfig = ''
     [connectivity]
     uri=http://ping.clerie.de/nm-check.txt
+
+    [global-dns]
+    searches=net.clerie.de
   '';
 
 }

modules/backup/default.nix

@@ -44,12 +44,10 @@ let
         export RESTIC_PROGRESS_FPS=0.1
         export RESTIC_CACHE_DIR=/var/cache/restic
 
-        restic snapshots || restic init
+        restic snapshots --latest 1 || restic init
 
         restic backup ${optionalString (jobOptions.exclude != []) "--exclude-file ${pkgs.writeText "clerie-backup-${jobName}-${targetName}-excludes" (concatStringsSep "\n" jobOptions.exclude)}"} ${escapeShellArgs jobOptions.paths}
 
-        restic check
-
         ${optionalString (config.clerie.monitoring.enable) ''
           echo "clerie_backup_last_successful_run_time{backup_job=\"${jobName}\", backup_target=\"${targetName}\"} $(date +%s)" > /var/lib/prometheus-node-exporter/textfiles/clerie-backup-${jobName}-${targetName}.prom
         ''}