hosts/common-arm64/etc/apt/sources.list

+# common-arm64
+
 # deb http://gb.ports.ubuntu.com/ubuntu-ports/ xenial main restricted
 
 # deb http://gb.ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted

hosts/common/etc/apt/sources.list

+# common
+
 deb http://deb.debian.org/debian/ stretch main contrib non-free
 #deb-src http://deb.debian.org/debian/ stretch main contrib non-free
 

update_jdn.sh

@@ -555,11 +555,7 @@ for h in common common-amd64 common-i386 common-arm64 common-armhf "$HOSTNAME" ;
 	fi
 	for d in etc usr ; do
 		if [ -d "hosts/$h/$d" ]; then
-			for sd in * ; do
-				if [ -d "hosts/$h/$d/$sd" ]; then
-					sudo cp --preserve=mode,timestamps -r "hosts/$h/$d/$sd" "/$d"
-				fi
-			done
+			sudo cp --preserve=mode,timestamps -r "hosts/$h/$d/"* "/$d" || true # YOLO or better use src:fai's fcopy
 		fi
 	done
 done