From 386cfb365f8312b8726246d19c8e3c369250a3b4 Mon Sep 17 00:00:00 2001
From: Alessio Caiazza <nolith@abisso.org>
Date: Tue, 10 Jun 2014 11:52:29 +0200
Subject: [PATCH] olsrd: do not remove the old config file if present

---
 olsrd/Makefile | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/olsrd/Makefile b/olsrd/Makefile
index d151674..48dd7d2 100644
--- a/olsrd/Makefile
+++ b/olsrd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=olsrd
 PKG_VERSION:=0.6.6.2
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://www.olsr.org/releases/0.6
@@ -184,6 +184,30 @@ define Package/olsrd/install
 	$(INSTALL_BIN) ./files/olsrd.hotplug.sh $(1)/etc/hotplug.d/iface/50-olsrd
 endef
 
+define Package/olsrd/preinst
+#!/bin/sh
+# check if we are on real system
+if [ -z "$${IPKG_INSTROOT}" ]; then
+	[ -f /etc/config/olsrd ] && cp /etc/config/olsrd /etc/config/olsrd.opkg-old
+fi
+exit 0
+endef
+
+define Package/olsrd/postinst
+#!/bin/sh
+# check if we are on real system
+if [ -z "$${IPKG_INSTROOT}" ]; then
+        if [ -f /etc/config/olsrd.opkg-old ]; then
+		mv /etc/config/olsrd.opkg-old /etc/config/olsrd
+		echo "**********  WARNING  ***************"
+		echo "/etc/config/olsrd is no longer used! This will prevent olsrd to start."
+		echo "Please use /etc/config/olsrd4 for IPv4 and /etc/config/olrsd6 for IPv6"
+		echo "Remember to remove option IpVersion from your config file"
+	fi
+fi
+exit 0
+endef
+
 define Package/olsrd-mod-arprefresh/install
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/lib/arprefresh/olsrd_arprefresh.so.* $(1)/usr/lib/
-- 
2.30.2