aurral: make weekly_flow_folder user-configurable, derive env var in entrypoint

aurral/config.yaml

@@ -25,11 +25,10 @@ map:
   - share:rw
   - media:rw
 
-environment:
-  WEEKLY_FLOW_FOLDER: "/share/aurral/downloads/weekly-flow"
-
 options:
   download_folder: /share/aurral/downloads
+  weekly_flow_folder: weekly-flow
 
 schema:
   download_folder: str
+  weekly_flow_folder: str

aurral/rootfs/usr/local/bin/docker-entrypoint.sh

@@ -1,9 +1,15 @@
 #!/bin/sh
 set -e
 
-# Create the real directories in HA persistent storage that the symlinks point to
+DOWNLOAD_FOLDER=$(bashio::config 'download_folder')
+WEEKLY_FLOW_SUFFIX=$(bashio::config 'weekly_flow_folder')
+
+export DOWNLOAD_FOLDER
+export WEEKLY_FLOW_FOLDER="${DOWNLOAD_FOLDER}/${WEEKLY_FLOW_SUFFIX}"
+
+# Create persistent directories in HA volumes
 mkdir -p /config/data
-mkdir -p "${DOWNLOAD_FOLDER:-/share/aurral/downloads}"
+mkdir -p "${DOWNLOAD_FOLDER}"
-mkdir -p "${WEEKLY_FLOW_FOLDER:-/share/aurral/downloads/weekly-flow}"
+mkdir -p "${WEEKLY_FLOW_FOLDER}"
 
 exec "$@"