X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b9f592fbf50b0dc9e3d1d33b8deb2bf9abad9ef6..f08ca43472b518b93230acd853532d79b7e8a3a5:/compat.c

diff --git a/compat.c b/compat.c
index 57563b0b..93f0f278 100644
--- a/compat.c
+++ b/compat.c
@@ -30,6 +30,7 @@ int remote_protocol = 0;
 extern int verbose;
 extern int am_server;
 extern int am_sender;
+extern int fuzzy_basis;
 extern int read_batch;
 extern int checksum_seed;
 extern int protocol_version;
@@ -37,13 +38,9 @@ extern int protocol_version;
 void setup_protocol(int f_out,int f_in)
 {
 	if (remote_protocol == 0) {
-		if (am_server) {
-			remote_protocol = read_int(f_in);
+		if (!read_batch)
 			write_int(f_out, protocol_version);
-		} else {
-			write_int(f_out, protocol_version);
-			remote_protocol = read_int(f_in);
-		}
+		remote_protocol = read_int(f_in);
 		if (protocol_version > remote_protocol)
 			protocol_version = remote_protocol;
 	}
@@ -59,7 +56,7 @@ void setup_protocol(int f_out,int f_in)
 	}
 	if (remote_protocol < MIN_PROTOCOL_VERSION
 	 || remote_protocol > MAX_PROTOCOL_VERSION) {
-		rprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
+		rprintf(FERROR,"protocol version mismatch -- is your shell clean?\n");
 		rprintf(FERROR,"(see the rsync man page for an explanation)\n");
 		exit_cleanup(RERR_PROTOCOL);
 	}
@@ -78,6 +75,13 @@ void setup_protocol(int f_out,int f_in)
 		exit_cleanup(RERR_PROTOCOL);
 	}
 
+	if (fuzzy_basis && protocol_version < 29) {
+		rprintf(FERROR,
+			"--fuzzy requres protocol 29 or higher (negotiated %d).\n",
+			protocol_version);
+		exit_cleanup(RERR_PROTOCOL);
+	}
+
 	if (am_server) {
 		if (!checksum_seed)
 			checksum_seed = time(NULL);