Complain if the destination arg is empty.

diff --git a/main.c b/main.c
index 02b70079e5df40c4858b22c3cbdb3f8307a80c19..d2a7b9b53a8a661ec1b0085e439d8373082778b7 100644 (file)
--- a/main.c
+++ b/main.c
@@ -660,6 +660,16 @@ static pid_t do_cmd(char *cmd, char *machine, char *user, char **remote_argv, in
        return pid;
 }
 
+/* Older versions turn an empty string as a reference to the current directory.
+ * We now treat this as an error unless --old-args was used. */
+static char *dot_dir_or_error()
+{
+       if (old_style_args || am_server)
+               return ".";
+       rprintf(FERROR, "Empty destination arg specified (use \".\" or see --old-args).\n");
+       exit_cleanup(RERR_SYNTAX);
+}
+
 /* The receiving side operates in one of two modes:
  *
  * 1. it receives any number of files into a destination directory,
@@ -687,9 +697,8 @@ static char *get_local_name(struct file_list *flist, char *dest_path)
        if (!dest_path || list_only)
                return NULL;
 
-       /* Treat an empty string as a copy into the current directory. */
        if (!*dest_path)
-               dest_path = ".";
+               dest_path = dot_dir_or_error();
 
        if (daemon_filter_list.head) {
                char *slash = strrchr(dest_path, '/');
@@ -1432,6 +1441,8 @@ static int start_client(int argc, char *argv[])
 
                        if (argc > 1) {
                                p = argv[--argc];
+                               if (!*p)
+                                       p = dot_dir_or_error();
                                remote_argv = argv + argc;
                        } else {
                                static char *dotarg[1] = { "." };