From bcc2ad7f5cb4622f25579d12bf135fe62bdc730c Mon Sep 17 00:00:00 2001
From: Jared Vititoe <jjvititoe1@gmail.com>
Date: Mon, 11 May 2026 23:17:11 -0400
Subject: [PATCH] Use shlex.quote for remote_cmd in build_ssh_command

Matches the pattern already used in monitor.py's _ssh_batch(); prevents
quoting breakage if shlex.quote(iface) emits single-quoted tokens inside
the remote command string.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 diagnose.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diagnose.py b/diagnose.py
index 2577fa0..d0879ec 100644
--- a/diagnose.py
+++ b/diagnose.py
@@ -78,7 +78,7 @@ class DiagnosticsRunner:
             f'ssh -o StrictHostKeyChecking=accept-new -o ConnectTimeout=5 '
             f'-o BatchMode=yes -o LogLevel=ERROR '
             f'-o ServerAliveInterval=10 -o ServerAliveCountMax=2 '
-            f'root@{ip_q} \'{remote_cmd}\''
+            f'root@{ip_q} {shlex.quote(remote_cmd)}'
         )
 
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