From 9a106739a0f217f9231ee434398d73c5a7c6a37a Mon Sep 17 00:00:00 2001
From: Benjamin Drung <benjamin.drung@canonical.com>
Date: Sun, 19 May 2024 16:03:45 +0200
Subject: [PATCH] persist_hostname: fix missing hostname command

Without busybox `persist_hostname` will fail:

```
/init: 491: /init: hostname: not found
```

Write directly to the kernel to set the hostname instead.
---
 scripts/functions | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/functions b/scripts/functions
index 0034d47..60f9195 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -488,7 +488,7 @@ persist_hostname()
 	local domain="${2-}"
 
 	echo "$hostname" > /etc/hostname
-	hostname -F /etc/hostname
+	echo "$hostname" > /proc/sys/kernel/hostname
 	_generate_hosts_content "$hostname" "$domain" > /etc/hosts
 }