Remove drives baseline file on reset of the system

src/freedombone-installer

@@ -48,6 +48,10 @@ APP_INSTALL_TIMEOUT_SEC=3600
 # file containing new password
 IMAGE_PASSWORD_FILE=/root/login.txt
 
+# Stores a list of drives when the system was first installed.
+# This is used to detect drives later connected
+DRIVES_BASELINE_FILE=/root/.drives_baseline
+
 install_state=$INSTALL_STATE_FIRST_BOOT
 
 CONFIGURATION_FILE="/root/${PROJECT_NAME}.cfg"
@@ -528,6 +532,11 @@ function web_admin_setup_login {
         rm /root/.passwords/root/master
     fi
 
+    # remove detected drives file used by backup system
+    if [ -f $DRIVES_BASELINE_FILE ]; then
+        rm $DRIVES_BASELINE_FILE
+    fi
+
     # this file indicates that the setup screen is active
     # and gets removed by freedombone-installer
     if [ ! -f "$webadmin_install_dir/.setupscreenactive" ]; then