Improved algorithm

entrypoint.sh

@@ -116,13 +116,17 @@ main() {
 
   # Iterate over $INPUT_SOURCE multiline string and run aws s3 $COMMAND
   while IFS= read -r source; do
-    if [ "$COMMAND" == "cp" ] || [ "$COMMAND" == "mv" ] || [ "$COMMAND" == "sync" ]
-    then
-      echo "aws s3 $COMMAND \"$source\" $INPUT_DESTINATION $INPUT_FLAGS"
-      aws s3 "$COMMAND" "$source" "$INPUT_DESTINATION" "$INPUT_FLAGS"
+    if [ -n "$source" ]; then
+        if [ "$COMMAND" == "cp" ] || [ "$COMMAND" == "mv" ] || [ "$COMMAND" == "sync" ]
+        then
+            echo "aws s3 $COMMAND \"$source\" $INPUT_DESTINATION $INPUT_FLAGS"
+            aws s3 "$COMMAND" "$source" "$INPUT_DESTINATION" "$INPUT_FLAGS"
+        else
+            echo "aws s3 $COMMAND \"$source\" $INPUT_FLAGS"
+            aws s3 "$COMMAND" "$source" "$INPUT_FLAGS"
+        fi
     else
-      echo "aws s3 $COMMAND \"$source\" $INPUT_FLAGS"
-      aws s3 "$COMMAND" "$source" "$INPUT_FLAGS"
+        echo "Source is empty, skipping AWS S3 command."
     fi
   done <<< "$INPUT_SOURCE"
 }