From 14867c386665d68dd7c3ec7f16054305ec08cf3b Mon Sep 17 00:00:00 2001
From: Dmitriy Kholkin <AlukardBF@users.noreply.github.com>
Date: Wed, 31 Aug 2022 01:16:22 +0300
Subject: [PATCH] add btrbk job for /nix

---
 profiles/services.nix | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/profiles/services.nix b/profiles/services.nix
index 3a40728..b23c1a7 100644
--- a/profiles/services.nix
+++ b/profiles/services.nix
@@ -7,14 +7,25 @@ with config.deviceSpecific; {
   hardware.bluetooth.enable = !isServer;
   services.blueman.enable = !isServer;
 
-  services.btrbk.instances.home = {
-    settings = {
-      snapshot_preserve_min = "2d";
-      snapshot_preserve = "7d";
-      snapshot_dir = "/.snapshots";
-      subvolume = "/home";
+  services.btrbk.instances = {
+    home = {
+      settings = {
+        snapshot_preserve_min = "2d";
+        snapshot_preserve = "7d";
+        snapshot_dir = "/.snapshots";
+        subvolume = "/home";
+      };
+      onCalendar = "daily";
+    };
+    nix = {
+      settings = {
+        snapshot_preserve_min = "2d";
+        snapshot_preserve = "4d";
+        snapshot_dir = "/.snapshots";
+        subvolume = "/nix";
+      };
+      onCalendar = "daily";
     };
-    onCalendar = "daily";
   };
 
   services.earlyoom = {