From ce0954fc61346b8776bea8edd9cb48f6a0d4f5ba Mon Sep 17 00:00:00 2001
From: LavaDesu <me@lava.moe>
Date: Sat, 10 Jul 2021 09:00:21 +0700
Subject: [PATCH] add snapper

---
 hosts/winter/default.nix                |  1 +
 hosts/winter/hardware-configuration.nix |  6 ++++++
 hosts/winter/snapper.nix                | 18 ++++++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 hosts/winter/snapper.nix

diff --git a/hosts/winter/default.nix b/hosts/winter/default.nix
index d7c8030..b587f5f 100644
--- a/hosts/winter/default.nix
+++ b/hosts/winter/default.nix
@@ -20,6 +20,7 @@
     ./networking.nix
     ./packages.nix
     ./security.nix
+    ./snapper.nix
 
     ../../users/rin
   ];
diff --git a/hosts/winter/hardware-configuration.nix b/hosts/winter/hardware-configuration.nix
index fee857b..faac99d 100644
--- a/hosts/winter/hardware-configuration.nix
+++ b/hosts/winter/hardware-configuration.nix
@@ -42,6 +42,12 @@
       options = [ "autodefrag" "compress=zstd:3" "nossd" "nossd_spread" "relatime" "subvolid=260" ];
     };
 
+  fileSystems."/home/.snapshots" =
+    { device = "/dev/disk/by-uuid/8f0ba28e-5dff-4a4e-8db0-aa72cc90cb5d";
+      fsType = "btrfs";
+      options = [ "autodefrag" "compress=zstd:3" "nossd" "nossd_spread" "relatime" "subvolid=319" ];
+    };
+
   fileSystems."/root" =
     { device = "/dev/disk/by-uuid/8f0ba28e-5dff-4a4e-8db0-aa72cc90cb5d";
       fsType = "btrfs";
diff --git a/hosts/winter/snapper.nix b/hosts/winter/snapper.nix
new file mode 100644
index 0000000..2bb55f0
--- /dev/null
+++ b/hosts/winter/snapper.nix
@@ -0,0 +1,18 @@
+{ config, lib, ... }: {
+  services.snapper = {
+    configs.home = {
+      fstype = "btrfs";
+      subvolume = "/home";
+      extraConfig = lib.concatStringsSep "\n" (lib.mapAttrsToList (k: v: "${k}=${v}") {
+        TIMELINE_CLEANUP = "yes";
+        TIMELINE_CREATE = "yes";
+        TIMELINE_MIN_AGE = "1800";
+        TIMELINE_LIMIT_HOURLY = "5";
+        TIMELINE_LIMIT_DAILY = "7";
+        TIMELINE_LIMIT_WEEKLY = "0";
+        TIMELINE_LIMIT_MONTHLY = "0";
+        TIMELINE_LIMIT_YEARLY = "0";
+      });
+    };
+  };
+}