samba4: fix hostname if not defined via Dnsmasq

* use kernel fs to get the hostname, drop domainname

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>

net/samba4/Makefile

@@ -3,7 +3,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=samba
 PKG_VERSION:=4.9.1
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_MAINTAINER:=Andy Walsh <andy.walsh44+github@gmail.com>
 PKG_LICENSE:=GPL-3.0-only

net/samba4/files/samba.init

@@ -21,9 +21,7 @@ smb_header() {
 
 	local workgroup description charset
 	# we dont use netbios anymore as default and wsd/avahi is dns based
-	local hostname="$(uci get system.@system[0].hostname)"
-	local domain="$(uci get dhcp.@dnsmasq[0].domain)"
-	[ -n "$domain" ] && hostname="$hostname.$domain"
+	local hostname="$(cat /proc/sys/kernel/hostname)"
 
 	config_get workgroup		$1 workgroup	"WORKGROUP"
 	config_get description		$1 description	"Samba on OpenWrt"