X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/1b896f8d1e5ba86bfcadf9ef68ad1453e48e5fb9..753849fdbcf8df0a408135be469f620bb74f2ab5:/rsync.h

diff --git a/rsync.h b/rsync.h
index d947895a..5bb155e8 100644
--- a/rsync.h
+++ b/rsync.h
@@ -83,6 +83,11 @@
 /* update this if you make incompatible changes */
 #define PROTOCOL_VERSION 30
 
+/* This is used when working on a new protocol version in CVS, and should
+ * be a new non-zero value for each CVS change that affects the protocol.
+ * It must ALWAYS be 0 when the protocol goes final! */
+#define SUBPROTOCOL_VERSION 1
+
 /* We refuse to interoperate with versions that are not in this range.
  * Note that we assume we'll work with later versions: the onus is on
  * people writing them to make sure that they don't send us anything