fix(install): correct continue logic for existing package files

install.sh

@@ -43,30 +43,41 @@ main() {
         add_tunnel
     fi
 
-    wget -qO- "$REPO" | grep -o 'https://[^"[:space:]]*\.ipk' | while read -r url; do
+    download_success=0
+    while read -r url; do
         filename=$(basename "$url")
         filepath="$DOWNLOAD_DIR/$filename"
         
         if [ -f "$filepath" ] && [ -s "$filepath" ]; then
             echo "$filename has already been uploaded"
+            download_success=1
             continue
         fi
         
         attempt=0
         while [ $attempt -lt $COUNT ]; do
             echo "Download $filename (count $((attempt+1)))..."
-            wget -q -O "$filepath" "$url"
-            
+            if wget -q -O "$filepath" "$url"; then
                 if [ -s "$filepath" ]; then
                     echo "$filename successfully downloaded"
+                    download_success=1
                     break
-            else
+                fi
+            fi
             echo "Download error $filename. Retry..."
             rm -f "$filepath"
             attempt=$((attempt+1))
+        done
+        
+        if [ $attempt -eq $COUNT ]; then
+            echo "Failed to download $filename after $COUNT attempts"
+        fi
+    done < <(wget -qO- "$REPO" | grep -o 'https://[^"[:space:]]*\.ipk')
+    
+    if [ $download_success -eq 0 ]; then
+        echo "No packages were downloaded successfully"
+        exit 1
     fi
-        done
-    done
     
     for pkg in podkop luci-app-podkop; do
         file=$(ls "$DOWNLOAD_DIR" | grep "^$pkg" | head -n 1)