From 449a506afb48044c88fea6b70395a378b87927a7 Mon Sep 17 00:00:00 2001
From: Tim Schubert <dadada@dadada.li>
Date: Sat, 26 Jul 2025 20:12:12 +0200
Subject: [PATCH 1/2] feat(stolas): add snapper snapshots

---
 nixos/stolas/default.nix | 45 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/nixos/stolas/default.nix b/nixos/stolas/default.nix
index 5f7dfaf..9c98cbe 100644
--- a/nixos/stolas/default.nix
+++ b/nixos/stolas/default.nix
@@ -118,6 +118,45 @@
       browsing = true;
     };
     tlp.enable = false;
+    snapper = {
+      cleanupInterval = "1d";
+      snapshotInterval = "hourly";
+      configs = {
+        home = {
+          SUBVOLUME = "/dadada";
+          ALLOW_USERS= "dadada";
+          TIMELINE_CREATE = true;
+          TIMELINE_CLEANUP = true;
+          TIMELINE_MIN_AGE = "1800";
+          TIMELINE_LIMIT_HOURLY = "5";
+          TIMELINE_LIMIT_DAILY = "7";
+          TIMELINE_LIMIT_WEEKLY = "0";
+          TIMELINE_LIMIT_MONTHLY = "0";
+          TIMELINE_LIMIT_YEARLY = "0";
+        };
+        var = {
+          SUBVOLUME = "/var";
+          TIMELINE_CREATE = true;
+          TIMELINE_CLEANUP = true;
+          TIMELINE_MIN_AGE = "1800";
+          TIMELINE_LIMIT_HOURLY = "5";
+          TIMELINE_LIMIT_DAILY = "7";
+          TIMELINE_LIMIT_WEEKLY = "0";
+          TIMELINE_LIMIT_MONTHLY = "0";
+          TIMELINE_LIMIT_YEARLY = "0";
+        };
+        paperless = {
+          SUBVOLUME = "/paperless";
+          TIMELINE_CREATE = true;
+          TIMELINE_CLEANUP = true;
+          TIMELINE_MIN_AGE = "3600";
+          TIMELINE_LIMIT_HOURLY = "10";
+          TIMELINE_LIMIT_DAILY = "10";
+          TIMELINE_LIMIT_WEEKLY = "10";
+          TIMELINE_LIMIT_MONTHLY = "10";
+          TIMELINE_LIMIT_YEARLY = "10";
+        };
+    };
   };
 
   system = {
@@ -133,6 +172,12 @@
     HibernateDelaySec=1h
   '';
 
+  systemd.tmpfiles.rules = [
+    "v /var/.snapshots 0755 root root - -"
+    "v /var/paperless/.snapshots 0755 root root - -"
+    "v /home/dadada/.snapshots 0755 root root - -"
+  ];
+
   virtualisation.libvirtd.enable = true;
 
   users = {

From 1032bf8639cf2175aee0240dc5e69dab8b97358e Mon Sep 17 00:00:00 2001
From: Tim Schubert <dadada@dadada.li>
Date: Sat, 26 Jul 2025 20:18:03 +0200
Subject: [PATCH 2/2] fix(ninurta): only run snapshots daily to limit noise

---
 nixos/ninurta/configuration.nix | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/nixos/ninurta/configuration.nix b/nixos/ninurta/configuration.nix
index d4eed97..46562a8 100644
--- a/nixos/ninurta/configuration.nix
+++ b/nixos/ninurta/configuration.nix
@@ -237,33 +237,38 @@ in
 
   services.snapper = {
     cleanupInterval = "1d";
-    snapshotInterval = "hourly";
+    snapshotInterval = "daily";
     configs.home = {
       SUBVOLUME = "/home";
       TIMELINE_CREATE = true;
       TIMELINE_CLEANUP = true;
-      TIMELINE_LIMIT_HOURLY = "24";
-      TIMELINE_LIMIT_DAILY = "13";
-      TIMELINE_LIMIT_WEEKLY = "6";
-      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "5";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_WEEKLY = "0";
+      TIMELINE_LIMIT_MONTHLY = "0";
+      TIMELINE_LIMIT_YEARLY = "0";
     };
     configs.var = {
       SUBVOLUME = "/var";
       TIMELINE_CREATE = true;
       TIMELINE_CLEANUP = true;
-      TIMELINE_LIMIT_HOURLY = "24";
-      TIMELINE_LIMIT_DAILY = "13";
-      TIMELINE_LIMIT_WEEKLY = "6";
-      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_MIN_AGE = "1800";
+      TIMELINE_LIMIT_HOURLY = "5";
+      TIMELINE_LIMIT_DAILY = "7";
+      TIMELINE_LIMIT_WEEKLY = "0";
+      TIMELINE_LIMIT_MONTHLY = "0";
+      TIMELINE_LIMIT_YEARLY = "0";
     };
     configs.storage = {
       SUBVOLUME = "/mnt/storage";
       TIMELINE_CREATE = true;
       TIMELINE_CLEANUP = true;
-      TIMELINE_LIMIT_HOURLY = "24";
-      TIMELINE_LIMIT_DAILY = "13";
-      TIMELINE_LIMIT_WEEKLY = "6";
-      TIMELINE_LIMIT_MONTHLY = "3";
+      TIMELINE_LIMIT_HOURLY = "10";
+      TIMELINE_LIMIT_DAILY = "10";
+      TIMELINE_LIMIT_WEEKLY = "10";
+      TIMELINE_LIMIT_MONTHLY = "10";
+      TIMELINE_LIMIT_YEARLY = "10";
     };
   };