From 2e1c62e43b64c1ce45f4aebc8037a559787a9542 Mon Sep 17 00:00:00 2001
From: Adam Shiervani <adam.shiervani@gmail.com>
Date: Thu, 20 Nov 2025 16:19:49 +0100
Subject: [PATCH] feat: add hostname change detection and reboot requirement in
 network settings

---
 network.go                                     | 5 +++++
 ui/src/routes/devices.$id.settings.network.tsx | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/network.go b/network.go
index ab6e3ee7d..eb14c70d6 100644
--- a/network.go
+++ b/network.go
@@ -284,6 +284,11 @@ func shouldRebootForNetworkChange(oldConfig, newConfig *types.NetworkConfig) (re
 		l.Info().Msg("IPv6 mode changed with udhcpc, reboot required")
 	}
 
+	if newConfig.Hostname.String != oldConfig.Hostname.String {
+		rebootRequired = true
+		l.Info().Msg("Hostname changed, reboot required")
+	}
+
 	return rebootRequired, postRebootAction
 }
 
diff --git a/ui/src/routes/devices.$id.settings.network.tsx b/ui/src/routes/devices.$id.settings.network.tsx
index d4dd0bd7f..8fdece8b5 100644
--- a/ui/src/routes/devices.$id.settings.network.tsx
+++ b/ui/src/routes/devices.$id.settings.network.tsx
@@ -278,6 +278,14 @@ export default function SettingsNetworkRoute() {
       });
     }
 
+    if (dirty.hostname) {
+      changes.push({
+        label: m.network_hostname_title(),
+        from: initialSettingsRef.current?.hostname?.toString() ?? "",
+        to: data.hostname?.toString() ?? "",
+      });
+    }
+
     // If no critical fields are changed, save immediately
     if (changes.length === 0) return onSubmit(settings);