From 54c5cfb2405afae3a9af5d7cc7fbd8965ebb9dfe Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Tue, 13 Dec 2022 09:59:31 +0100
Subject: [PATCH] restic/system: Enable compression

Fixes #66.
---
 machines/renge/configuration.nix | 1 +
 modules/restic/system.nix        | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/machines/renge/configuration.nix b/machines/renge/configuration.nix
index 2ba11b9..b18a5e4 100644
--- a/machines/renge/configuration.nix
+++ b/machines/renge/configuration.nix
@@ -62,6 +62,7 @@
     enable = true;
     startAt = [ ]; # triggered by restic system backup
     location = "/var/lib/postgresql-backup";
+    compression = "none";
   };
   systemd.services.restic-backups-system = {
     after = [ "postgresqlBackup.service" ];
diff --git a/modules/restic/system.nix b/modules/restic/system.nix
index 90be5be..87b730c 100644
--- a/modules/restic/system.nix
+++ b/modules/restic/system.nix
@@ -87,6 +87,7 @@ in
         "/var"
       ] ++ cfg.extraPaths;
       extraBackupArgs = [
+        "--compression auto"
         "--exclude-caches"
         "--exclude-file=${excludesFile}"
         "--tag system"
@@ -113,6 +114,7 @@ in
         "sftp.command='ssh -i ${config.sops.secrets.restic-ssh-key.path} -p ${toString sftpPort} ${sftpTarget} -s sftp'"
       ];
       pruneOpts = [
+        "--compression auto"
         "--keep-daily 7"
         "--keep-monthly 12"
         "--keep-weekly 5"