[app] update logic clone

app.py

@@ -6,7 +6,14 @@ import shutil
 
 git_url = os.getenv("GIT_URL")
 repo_dir = "./temp"
-Repo.clone_from(git_url, repo_dir)
+# Specify the path to the folder
+# Check if the folder exists and remove it if it does
+if os.path.exists(repo_dir) and os.path.isdir(repo_dir):
+    print(f"Already clone")
+else:
+    print(f"Folder '{repo_dir}' does not exist.")
+    Repo.clone_from(git_url, repo_dir)
+
 
 # Specify the folder you want to move and the current folder path
 source_folder = "./temp/hnrecommender/"