[Issue #1269] fix rsync-cluster and metadata backup scripts (#1270)

Author: AntiO2

scripts/sbin/meta-tool.sh

@@ -73,9 +73,9 @@ ETCD_FILE=""
 while [[ "$#" -gt 0 ]]; do
     case $1 in
         --etcd-dir) ETCD_DATA_DIR="$2"; shift ;;
-        -e|--etcd-tmp-dir) ETCD_TMP_DIR="$2"; shift ;;
+        --etcd-tmp-dir) ETCD_TMP_DIR="$2"; shift ;;
         -m|--db-file) DB_FILE="$2"; shift ;;
-        --etcd-file) ETCD_FILE="$2"; shift ;;
+        -e|--etcd-file) ETCD_FILE="$2"; shift ;;
         *) echo "Unknown parameter: $1"; exit 1 ;;
     esac
     shift

scripts/sbin/rsync-cluster.sh

@@ -53,7 +53,10 @@ fi
 # Sync retina node
 # ---------------------------
 if [[ -f "$PIXELS_HOME/etc/retina" ]]; then
-    read -r retina home < "$PIXELS_HOME/etc/retina"
-    sync_node_lib "$retina" "$home"
+    while read -r retina home; do
+        # Skip empty lines or comments
+        [[ -z "$retina" || "$retina" =~ ^# ]] && continue
+        sync_node_lib "$retina" "$home"
+    done < "$PIXELS_HOME/etc/retina"
 fi