Add function enabling debug messages for AUM

Function `enable_aum_debug` enable debug messages and restart AUM.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

update-manager-common.sh

@@ -263,3 +263,17 @@ gen_ed25519_random_public()
 {
   openssl genpkey -algorithm ED25519 | openssl pkey -outform DER | tail -c 32 | base64
 }
+
+# Enable debug messages for AUM
+enable_aum_debug ()
+{
+  AUMDIR=/etc/systemd/system/apertis-update-manager.service.d
+  mkdir -p "${AUMDIR}"
+  tee "${AUMDIR}"/override.conf <<E_O_F
+[Service]
+Environment=G_DEBUG=G_LOG_LEVEL_DEBUG
+Environment=G_MESSAGES_DEBUG=AUM
+E_O_F
+  systemctl daemon-reload
+  systemctl restart apertis-update-manager
+}