Add mirror-file-generator tool

mirror-file-generator.sh

@@ -110,11 +110,9 @@ image_copy() {
     if [[ ! -e "$save_path" ]]; then
         # If http, use curl to grab the image.
         if [[ "$file" =~ ^http(s|)\:\/\/ ]]; then
-            
+            http_code=$(curl -s --write-out "%{http_code}" -o "$save_path" "$file")
             # If failure, and is not the default image, attempt to grab the default file.
-            if ! http_code=$(curl -s --write-out "%{http_code}" -o "$save_path" "$file") \
-                || ( ((http_code!=200)) && [[ "$file" != "$icons_default_img" ]] \
-                && [[ "$file" != "$icons_default_source/$icons_default_img" ]] ); then
+            if [[ $? -ne 0 ]] || ((http_code!=200)) && [[ "$file" != "$icons_default_img" ]]; then
                 image_copy "$icons_default_img" "$file_name"
                 return
             fi