twp-stage rsync support

examples/tunasync.conf

@@ -40,6 +40,17 @@ command = "sleep 20"
 local_dir = "/mnt/sdb1/mirror/archlinux/current/"
 # log_file = "/dev/null"
 
+
+[[mirrors]]
+name = "arch3"
+provider = "two-stage-rsync"
+stage1_profile = "debian"
+upstream = "/tmp/rsync_test/src/"
+local_dir = "/tmp/rsync_test/dst/"
+log_file = "/tmp/rsync_test/log"
+# log_file = "/dev/null"
+no_delay = true
+
 [[mirrors]]
 name = "arch4"
 provider = "shell"