allow running without /dev/dri

aria2/aria2.run

@@ -11,6 +11,7 @@ TRACKERS_URL="https://cdn.jsdelivr.net/gh/ngosang/trackerslist@master/trackers_b
 touch "$SESSION_PATH"
 if ! aria2c -d /tmp ${TRACKERS_URL} >/dev/null 2>&1; then
     echo "Failed to fetch trackers from ${TRACKERS_URL}" >&2
+    exit 1
 fi
 
 cp "${TEMP_PATH}" "${CONF_PATH}"

docker-compose.gen

@@ -133,9 +133,11 @@ services:
     volumes:
       - jellyfin_config:/config
       - jellyfin_cache:/cache
-      - ${MEDIA_PATH}:/media
-    devices:
-      - /dev/dri:/dev/dri
+      - ${MEDIA_PATH}:/media$( \
+    if [ -c "${_VIDEO_DEV}" ]; then
+        echo '    devices:'
+        echo '      - /dev/dri:/dev/dri'
+    fi)
     restart: unless-stopped
 
   motd: