From 38ca34add388bfad42fed31c5a143c7d2afa5096 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Wed, 4 Dec 2019 14:01:35 +0100
Subject: [PATCH] Add warning when the ModemManager is enabled (#61)

---
 hassio_install.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hassio_install.sh b/hassio_install.sh
index 7b934b8..ab6d1dd 100755
--- a/hassio_install.sh
+++ b/hassio_install.sh
@@ -22,6 +22,11 @@ command -v dbus-daemon > /dev/null 2>&1 || { echo "[Error] Please install dbus f
 command -v nmcli > /dev/null 2>&1 || echo "[Warning] No NetworkManager support on host."
 command -v apparmor_parser > /dev/null 2>&1 || echo "[Warning] No AppArmor support on host."
 
+# Check if Modem Manager is enabled
+if systemctl list-unit-files ModemManager.service | grep enabled; then
+    echo "[Warning] ModemManager service is enabled. This might cause issue when using serial devices."
+fi
+
 # Detect if running on snapped docker
 if snap list docker >/dev/null 2>&1; then
     DOCKER_BINARY=/snap/bin/docker