From aaffec1cbcbe521e3ee6ada6d843badadfd4eab3 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 13 May 2022 19:25:37 +0530
Subject: [PATCH] Better error message

---
 kittens/clipboard/main.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kittens/clipboard/main.py b/kittens/clipboard/main.py
index 7e4c09c7e..08daada4c 100644
--- a/kittens/clipboard/main.py
+++ b/kittens/clipboard/main.py
@@ -93,7 +93,10 @@ def main(args: List[str]) -> NoReturn:
     data: Optional[bytes] = None
     if not sys.stdin.isatty():
         data = sys.stdin.buffer.read()
-        sys.stdin = open(os.ctermid())
+        try:
+            sys.stdin = open(os.ctermid())
+        except FileNotFoundError:
+            raise SystemExit('Not connected to a controlling terminal device, no /dev/tty')
     loop = Loop()
     handler = Clipboard(data, cli_opts)
     loop.loop(handler)