Update README.md

Author: buildplan

README.md

@@ -233,8 +233,6 @@ EXCLUDE_FILE_TMP=$(mktemp)
 
 # --- Securely parse the unified configuration file ---
 if [ -f "$CONFIG_FILE" ]; then
-    # Initialize an empty array for SSH options for robustness
-    SSH_OPTS_ARR=()
     in_exclude_block=false
     while IFS= read -r line; do
         # Handle the rsync exclusion block
@@ -261,11 +259,6 @@ if [ -f "$CONFIG_FILE" ]; then
 
             # CRITICAL: Assign value as a literal string to prevent code injection
             declare "$key"="$value"
-
-            # Robustly handle SSH options by converting the string to an array
-            if [[ "$key" == "SSH_OPTS_STR" ]]; then
-                read -r -a SSH_OPTS_ARR <<< "$value"
-            fi
         fi
     done < "$CONFIG_FILE"
 else
@@ -282,7 +275,7 @@ MAX_LOG_SIZE=10485760 # 10 MB in bytes
 RSYNC_BASE_OPTS=(
     -a -z --delete --partial --timeout=60
     --exclude-from="$EXCLUDE_FILE_TMP"
-    -e "ssh ${SSH_OPTS_ARR[@]}"
+    -e "ssh ${SSH_OPTS_STR:-}"
 )
 
 # =================================================================
@@ -325,7 +318,7 @@ send_notification() {
 }
 
 run_integrity_check() {
-    local rsync_check_opts=(-ainc -c --delete --exclude-from="$EXCLUDE_FILE_TMP" --out-format="%n" -e "ssh ${SSH_OPTS_ARR[@]}")
+    local rsync_check_opts=(-ainc -c --delete --exclude-from="$EXCLUDE_FILE_TMP" --out-format="%n" -e "ssh ${SSH_OPTS_STR:-}")
     LC_ALL=C rsync "${rsync_check_opts[@]}" "$LOCAL_DIR" "$REMOTE_TARGET" 2>> "${LOG_FILE:-/dev/null}"
 }
 
@@ -336,12 +329,10 @@ format_backup_stats() {
     local files_created=""
     local files_deleted=""
 
-    # First, try parsing the machine-readable format from --info=stats2
     bytes_transferred=$(echo "$rsync_output" | grep 'Total_transferred_size:' | awk '{print $2}')
     files_created=$(echo "$rsync_output" | grep 'Number_of_created_files:' | awk '{print $2}')
     files_deleted=$(echo "$rsync_output" | grep 'Number_of_deleted_files:' | awk '{print $2}')
 
-    # If parsing failed, fall back to the human-readable --stats format
     if [[ -z "$bytes_transferred" && -z "$files_created" && -z "$files_deleted" ]]; then
         bytes_transferred=$(echo "$rsync_output" | grep 'Total transferred file size:' | awk '{gsub(/,/, ""); print $5}')
         files_created=$(echo "$rsync_output" | grep 'Number of created files:' | awk '{print $5}')
@@ -376,7 +367,7 @@ for cmd in "${REQUIRED_CMDS[@]}"; do
     fi
 done
 
-if ! ssh "${SSH_OPTS_ARR[@]}" -o BatchMode=yes -o ConnectTimeout=10 "$HETZNER_BOX" 'exit' 2>/dev/null; then
+if ! ssh ${SSH_OPTS_STR:-} -o BatchMode=yes -o ConnectTimeout=10 "$HETZNER_BOX" 'exit' 2>/dev/null; then
     send_notification "❌ SSH FAILED: ${HOSTNAME}" "x" "high" "failure" "Unable to SSH into $HETZNER_BOX. Check keys and connectivity."
     trap - ERR; exit 6
 fi