From 3dbef2b2fda5d896ca6f8cd17893864b9f25f7ca Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Wed, 10 Mar 2021 14:09:30 +0000
Subject: [PATCH] fs: make sure we don't save on the fly remote config to the
 config file #4996

---
 fs/fs.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/fs.go b/fs/fs.go
index 02ec37db5..a833a6a07 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -1282,6 +1282,9 @@ type setConfigFile string
 
 // Set a config item into the config file
 func (section setConfigFile) Set(key, value string) {
+	if strings.HasPrefix(string(section), ":") {
+		Errorf(nil, "Can't save config %q = %q for on the fly backend %q", key, value, section)
+	}
 	Debugf(nil, "Saving config %q = %q in section %q of the config file", key, value, section)
 	err := ConfigFileSet(string(section), key, value)
 	if err != nil {