From 8f7f58b9d1ce0a075390b7216eb142efbb36202b Mon Sep 17 00:00:00 2001
From: Grisha Shipunov <blame@oxapentane.com>
Date: Fri, 21 Feb 2025 00:52:57 +0100
Subject: [PATCH] write tmp to disk

---
 hosts/toaster/hardware-configuration.nix | 6 ++++++
 hosts/toaster/zfs.nix                    | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/hosts/toaster/hardware-configuration.nix b/hosts/toaster/hardware-configuration.nix
index 1b0fbb0..318ff03 100644
--- a/hosts/toaster/hardware-configuration.nix
+++ b/hosts/toaster/hardware-configuration.nix
@@ -49,6 +49,12 @@
     options = [ "zfsutil" ];
   };
 
+  fileSystems."/tmp" = {
+    device = "zpool/nocomp/tmp";
+    fsType = "zfs";
+    options = [ "zfsutil" ];
+  };
+
   fileSystems."/boot" = {
     device = "/dev/disk/by-uuid/A170-F83D";
     fsType = "vfat";
diff --git a/hosts/toaster/zfs.nix b/hosts/toaster/zfs.nix
index 70cc5c9..1970bbf 100644
--- a/hosts/toaster/zfs.nix
+++ b/hosts/toaster/zfs.nix
@@ -19,6 +19,7 @@
     supportedFilesystems = [ "zfs" ];
     kernelParams = [ "nohibernate" ];
     plymouth.enable = false;
-    tmp.useTmpfs = true;
+    tmp.useTmpfs = false;
+    tmp.cleanOnBoot = true;
   };
 }