From 115b139f1c60ac99eb2eaef110281d2e36d16370 Mon Sep 17 00:00:00 2001
From: Kabbone <tobias@opel-online.de>
Date: Sun, 6 Nov 2022 12:50:20 +0100
Subject: [PATCH] system: add snapper for home and subvol for nix

---
 hosts/configuration.nix                  | 18 ++++++++++++++----
 hosts/desktop/hardware-configuration.nix | 18 +++++++++++++++---
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/hosts/configuration.nix b/hosts/configuration.nix
index adb6cf6..13402fc 100644
--- a/hosts/configuration.nix
+++ b/hosts/configuration.nix
@@ -65,6 +65,7 @@
     source-code-pro
     jetbrains-mono
     font-awesome                            # Icons
+    hack-font
     corefonts                               # MS
     (nerdfonts.override {                   # Nerdfont Icons override
       fonts = [
@@ -133,6 +134,15 @@
                                             # com.obsproject.Studio
                                             # com.parsecgaming.parsec
                                             # com.usebottles.bottles
+    snapper.configs = {
+        home = {
+          subvolume = "/home";
+          extraConfig = ''
+              TIMELINE_CREATE=yes
+              TIMELINE_CLEANUP=yes
+          '';
+        };
+    };
   };
 
   #xdg.portal = {                            # Required for flatpak
@@ -167,10 +177,10 @@
   };
 
   system = {                                # NixOS settings
-    autoUpgrade = {                         # Allow auto update
-      enable = true;
-      channel = "https://nixos.org/channels/nixos-unstable";
-    };
+#    autoUpgrade = {                         # Allow auto update
+#      enable = true;
+#      channel = "https://nixos.org/channels/nixos-unstable";
+#    };
     stateVersion = "22.05";
   };
 }
diff --git a/hosts/desktop/hardware-configuration.nix b/hosts/desktop/hardware-configuration.nix
index 62a5eb6..769e67e 100644
--- a/hosts/desktop/hardware-configuration.nix
+++ b/hosts/desktop/hardware-configuration.nix
@@ -25,19 +25,31 @@
   fileSystems."/" =
     { device = "/dev/disk/by-label/NIXROOT";
       fsType = "btrfs";
-      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@" ];
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@,discard=async" ];
     };
 
   fileSystems."/home" =
     { device = "/dev/disk/by-label/NIXROOT";
       fsType = "btrfs";
-      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@home" ];
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@home,discard=async" ];
+    };
+
+  fileSystems."/home/.snapshots" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@snapshots,discard=async" ];
     };
 
   fileSystems."/srv" =
     { device = "/dev/disk/by-label/NIXROOT";
       fsType = "btrfs";
-      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv" ];
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@srv,discard=async" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-label/NIXROOT";
+      fsType = "btrfs";
+      options = [ "compress=zstd,space_cache=v2,ssd,noatime,subvol=@nix,discard=async" ];
     };
 
   fileSystems."/boot" =