From 5f86d50de91ed308b9160ddc3a4ea307f6272063 Mon Sep 17 00:00:00 2001
From: Eric Luehrsen <ericluehrsen@hotmail.com>
Date: Tue, 21 Mar 2017 21:43:42 -0400
Subject: [PATCH] unbound: support copy without dash update

Signed-off-by: Eric Luehrsen <ericluehrsen@hotmail.com>
---
 net/unbound/Makefile         |  2 +-
 net/unbound/files/unbound.sh | 29 ++++++++++++++++++++++++-----
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/net/unbound/Makefile b/net/unbound/Makefile
index d6ded2cf4..57a65045a 100644
--- a/net/unbound/Makefile
+++ b/net/unbound/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unbound
 PKG_VERSION:=1.6.1
-PKG_RELEASE:=4
+PKG_RELEASE:=5
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE
diff --git a/net/unbound/files/unbound.sh b/net/unbound/files/unbound.sh
index 5f733fbcb..d918152d7 100644
--- a/net/unbound/files/unbound.sh
+++ b/net/unbound/files/unbound.sh
@@ -88,6 +88,29 @@ UNBOUND_CONTROL_CFG="$UNBOUND_CONTROL -c $UNBOUND_CONFFILE"
 
 ##############################################################################
 
+copy_dash_update() {
+  # TODO: remove this function and use builtins when this issues is resovled.
+  # Due to OpenWrt/LEDE divergence "cp -u" isn't yet universally available.
+  local filetime keeptime
+
+
+  if [ -f $UNBOUND_KEYFILE.keep ] ; then
+    # root.key.keep is reused if newest
+    filetime=$( date -r $UNBOUND_KEYFILE +%s )
+    keeptime=$( date -r $UNBOUND_KEYFILE.keep +%s )
+
+
+    if [ $keeptime -gt $filetime ] ; then
+      cp $UNBOUND_KEYFILE.keep $UNBOUND_KEYFILE
+    fi
+
+
+    rm -f $UNBOUND_KEYFILE.keep
+  fi
+}
+
+##############################################################################
+
 create_interface_dns() {
   local cfg="$1"
   local ipcommand logint ignore ifname ifdashname
@@ -312,11 +335,7 @@ unbound_mkdir() {
   fi
 
 
-  if [ -f $UNBOUND_KEYFILE.keep ] ; then
-    # root.key.keep is reused if newest
-    cp -u $UNBOUND_KEYFILE.keep $UNBOUND_KEYFILE
-    rm -f $UNBOUND_KEYFILE.keep
-  fi
+  copy_dash_update
 
 
   # Ensure access and prepare to jail