From 19625196667201db38f577bbaece718b05f6ed7a Mon Sep 17 00:00:00 2001
From: pagedown <pg.dn@outlook.com>
Date: Thu, 17 Mar 2022 22:23:48 +0800
Subject: [PATCH] Only write to the OpenSSH version sentinel file once

---
 kittens/ssh/main.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kittens/ssh/main.py b/kittens/ssh/main.py
index 0c8e66b7b..6e3ecbbe0 100644
--- a/kittens/ssh/main.py
+++ b/kittens/ssh/main.py
@@ -602,8 +602,10 @@ def run_ssh(ssh_args: List[str], server_args: List[str], found_extra_args: Tuple
     need_to_request_data = True
     if use_kitty_askpass:
         sentinel = os.path.join(cache_dir(), 'openssh-is-new-enough-for-askpass')
-        if os.path.exists(sentinel) or ssh_version() >= (8, 4):
-            open(sentinel, 'w').close()
+        sentinel_exists = os.path.exists(sentinel)
+        if sentinel_exists or ssh_version() >= (8, 4):
+            if not sentinel_exists:
+                open(sentinel, 'w').close()
             # SSH_ASKPASS_REQUIRE was introduced in 8.4 release on 2020-09-27
             need_to_request_data = False
             os.environ['SSH_ASKPASS_REQUIRE'] = 'force'