X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/a6c79626b2d248d0484b5242c0a2051da8ec84d1..refs/heads/master:/cli_frontend.py

diff --git a/cli_frontend.py b/cli_frontend.py
index 5e9d400..15d081c 100644
--- a/cli_frontend.py
+++ b/cli_frontend.py
@@ -26,6 +26,8 @@ class CLIFrontend(QuestionFrontend):
         print(message, file=sys.stderr)
 
     def userChoose (self, title, choices, returns, fallback):
+        if not sys.stdin.isatty():
+            raise Exception("Choosing the setup interactively is not possible, due to lack of a TTY")
         while True:
             # print question
             print(title)