From bdbb2e13f37cb9faca18c3147fe3ddd92be614f7 Mon Sep 17 00:00:00 2001
From: OverSu <contact@oversu.fr>
Date: Thu, 1 Oct 2026 22:18:07 +0200
Subject: [PATCH] Run the native font cache as the session user

Avoid creating a root-owned HOME cache on clean Sargo images.
Validated with a fresh RAM boot, Fira rendering and camera/input/notification probes.
---
 tundra/runtime/prepare-native.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tundra/runtime/prepare-native.py b/tundra/runtime/prepare-native.py
index e8b3467e..4aefaee5 100644
--- a/tundra/runtime/prepare-native.py
+++ b/tundra/runtime/prepare-native.py
@@ -32,8 +32,9 @@ def prepare(root, network=None, hardware=None, diagnostics=False):
   <alias binding="strong"><family>FiraSans</family><prefer><family>Fira Sans</family></prefer></alias>
 </fontconfig>
 ''')
+    # fc-cache inherits HOME; running it as root leaves a root-owned user cache.
     write('etc/systemd/system/tundra-display.service.d/fonts.conf', '''[Service]
-ExecStartPre=+/usr/bin/fc-cache -f /usr/share/fonts/opentype/vulpes
+ExecStartPre=/usr/bin/fc-cache -f /usr/share/fonts/opentype/vulpes
 ''')
     write('etc/os-release','NAME="Tundra"\nID=tundra\nPRETTY_NAME="Tundra Sargo development trial"\n')
     write('etc/hostname','vulpes-sargo\n')