From 062321ee7fc5535318a46dffa49743d7044c2046 Mon Sep 17 00:00:00 2001
From: Alexander Heldt <me@alexanderheldt.se>
Date: Thu, 1 Oct 2026 18:19:55 +0200
Subject: [PATCH] backwards/manatee/tadpole: Clean `/tmp` on boot

Only `pinwheel` set this. Elsewhere files in `/tmp` survived reboots,
and leftover `nh` build result symlinks there kept acting as GC roots,
pinning store paths that should have been collected.
---
 hosts/backwards/modules/boot/default.nix | 2 ++
 hosts/manatee/modules/boot/default.nix   | 2 ++
 hosts/tadpole/modules/boot/default.nix   | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/hosts/backwards/modules/boot/default.nix b/hosts/backwards/modules/boot/default.nix
index 1687cc2..3098e8a 100644
--- a/hosts/backwards/modules/boot/default.nix
+++ b/hosts/backwards/modules/boot/default.nix
@@ -30,6 +30,8 @@ in
     };
 
     boot = {
+      tmp.cleanOnBoot = true;
+
       loader = {
         systemd-boot = {
           enable = true;
diff --git a/hosts/manatee/modules/boot/default.nix b/hosts/manatee/modules/boot/default.nix
index 5db298a..9becb34 100644
--- a/hosts/manatee/modules/boot/default.nix
+++ b/hosts/manatee/modules/boot/default.nix
@@ -30,6 +30,8 @@ in
     };
 
     boot = {
+      tmp.cleanOnBoot = true;
+
       loader = {
         systemd-boot = {
           enable = true;
diff --git a/hosts/tadpole/modules/boot/default.nix b/hosts/tadpole/modules/boot/default.nix
index 90be4a5..202e011 100644
--- a/hosts/tadpole/modules/boot/default.nix
+++ b/hosts/tadpole/modules/boot/default.nix
@@ -30,6 +30,8 @@ in
     };
 
     boot = {
+      tmp.cleanOnBoot = true;
+
       loader = {
         grub = {
           enable = true;