From 5e2255591c37b7217c04cb1b0cdb2cab7ee0e906 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 14 Oct 2022 12:12:58 +0530
Subject: [PATCH] Dont send invalid kitty-cmd escape code over tty

---
 tools/cmd/at/tty_io.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/cmd/at/tty_io.go b/tools/cmd/at/tty_io.go
index 70ce9175b..6fb63408f 100644
--- a/tools/cmd/at/tty_io.go
+++ b/tools/cmd/at/tty_io.go
@@ -85,10 +85,11 @@ func do_chunked_io(io_data *rc_io_data) (serialized_response []byte, err error)
 			}
 			return "", err
 		}
-		queue_escape_code(chunk)
 		if len(chunk) == 0 {
 			state = WAITING_FOR_RESPONSE
 			transition_to_read()
+		} else {
+			queue_escape_code(chunk)
 		}
 		return "", nil
 	}
@@ -104,10 +105,11 @@ func do_chunked_io(io_data *rc_io_data) (serialized_response []byte, err error)
 			}
 			return err
 		}
-		queue_escape_code(chunk)
 		if len(chunk) == 0 {
 			state = WAITING_FOR_RESPONSE
 			transition_to_read()
+		} else {
+			queue_escape_code(chunk)
 		}
 		if state == BEFORE_FIRST_ESCAPE_CODE_SENT {
 			if wants_streaming {