From 2d83590445242dc915de2d22a8ae4204297927dc Mon Sep 17 00:00:00 2001
From: MickLesk <47820557+MickLesk@users.noreply.github.com>
Date: Sun, 11 Oct 2026 08:53:19 +0200
Subject: [PATCH 1/2] Attach /dev/fuse on Incus when var_fuse is set

ENABLE_FUSE was exported but never applied on the Incus backend.
---
 incus/backend.func | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/incus/backend.func b/incus/backend.func
index f0282a1..3c7f31b 100644
--- a/incus/backend.func
+++ b/incus/backend.func
@@ -857,6 +857,14 @@ incus_configure_device_passthrough() {
     fi
   fi
 
+  if [[ "${ENABLE_FUSE:-no}" == "yes" ]] && ! incus_ct_exec test -c /dev/fuse 2>/dev/null; then
+    if incus config device add "${CT_NAME}" fuse unix-char source=/dev/fuse path=/dev/fuse       >>"${LOGFILE:-$INCUS_BUILD_LOG}" 2>&1; then
+      msg_ok "FUSE device attached"
+    else
+      msg_warn "Could not add FUSE device"
+    fi
+  fi
+
   if [[ -e /dev/apex_0 ]]; then
     msg_custom "🔌" "${BL}" "Detected Coral TPU - configuring passthrough"
     _incus_soft incus config device add "${CT_NAME}" apex0 unix-char source=/dev/apex_0 path=/dev/apex_0 >>"${LOGFILE:-$INCUS_BUILD_LOG}" 2>&1

From 26c14c3fc2bc602d112dc695896098a49e6464e6 Mon Sep 17 00:00:00 2001
From: MickLesk <47820557+MickLesk@users.noreply.github.com>
Date: Sun, 11 Oct 2026 09:01:37 +0200
Subject: [PATCH 2/2] Wrap the FUSE device line like the TUN one

---
 incus/backend.func | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/incus/backend.func b/incus/backend.func
index 3c7f31b..8bad38c 100644
--- a/incus/backend.func
+++ b/incus/backend.func
@@ -858,7 +858,8 @@ incus_configure_device_passthrough() {
   fi
 
   if [[ "${ENABLE_FUSE:-no}" == "yes" ]] && ! incus_ct_exec test -c /dev/fuse 2>/dev/null; then
-    if incus config device add "${CT_NAME}" fuse unix-char source=/dev/fuse path=/dev/fuse       >>"${LOGFILE:-$INCUS_BUILD_LOG}" 2>&1; then
+    if incus config device add "${CT_NAME}" fuse unix-char source=/dev/fuse path=/dev/fuse \
+      >>"${LOGFILE:-$INCUS_BUILD_LOG}" 2>&1; then
       msg_ok "FUSE device attached"
     else
       msg_warn "Could not add FUSE device"