[config] réecriture de pre-exec (la création de /var/run en tmpfs est dans read-only-fs.sh)

config/pre-exec.sh

@@ -1,7 +1,11 @@
 #!/bin/sh
 
-mkdir /mnt/db
-mount -t ramfs -o size=50m ramfs /mnt/db
+[ ! -d /opt/pyheatpump/ ] && echo "Missing /opt/pyheatpump/" && exit 1;
 
-mv /var/run/pyheatpump/pyheatpump.sqlite3 /mnt/db
-ln -s /mnt/db/pyheatpump.sqlite3 /var/run/pyheatpump/
+[ ! -d /var/run/pyheatpump ] && mkdir /var/run/pyheatpump;
+
+sqlite3 -init /opt/pyheatpump/pyheatpump.sql /var/run/pyheatpump/pyheatpump.sqlite3 \
+    || (echo "Failed to initialize database" && exit 1);
+
+cp /opt/pyheatpump/pyheatpump.ini /var/run/pyheatpump/pyheatpump.ini \
+    || (echo "Failed to initialized configuration file" && exit 1);