From 0c3433ca4e1ffcee4246305a8170ccb005d2d4aa Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 31 Jan 2021 15:36:21 -0500
Subject: Check isatty

---
 play.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/play.c b/play.c
index e83ab7e..a9dcc34 100644
--- a/play.c
+++ b/play.c
@@ -248,7 +248,11 @@ int main(int argc, char *argv[]) {
 		return EX_OK;
 	}
 
+	if (!isatty(STDOUT_FILENO)) {
+		errx(EX_USAGE, "not a tty; use ssh -t");
+	}
 	curse();
+
 	const struct Game *game = menu();
 	if (!game) goto done;
 	erase();
-- 
cgit 1.4.1