Merge remote-tracking branch 'origin/feat/rsync-checksum-choice-alias' into dev

src/client/client_cli.c

@@ -814,6 +814,13 @@ int parse_args(Config* config, int argc, char* argv[], int* positional_args,
     } else if (opt_is(argv[i], "--compress-threads", NULL) && i + 1 < argc) {
       if (set_compression_threads_option(&config->compression_threads, argv[++i]) != 0)
         return -1;
+    } else if (opt_is(argv[i], "--checksum-choice", "--cc")) {
+      if (i + 1 >= argc) {
+        log_message(LOG_LEVEL_ERROR, "missing argument for %s", argv[i]);
+        return -1;
+      }
+      log_message(LOG_LEVEL_ERROR, "%s is not supported yet (xxHash64 is used)", argv[i]);
+      return -1;
     } else if (argv[i][0] == '-') {
       char* escaped = output_escape(argv[i], false);
       fprintf(stderr, "Unknown option: %s\n", escaped ? escaped : "<allocation failed>");

src/client/usage.c

@@ -38,6 +38,8 @@ void print_usage(void) {
   printf("  -@, --modify-window <sec>  Modification time tolerance\n");
   printf("  -u, --update        Skip files newer than the source on receiver\n");
   printf("  --existing          Skip files not already present at destination\n");
+  printf("  --checksum-choice, --cc <alg>  Checksum algorithm (not supported yet; xxHash64 is "
+         "used)\n");
   printf("  --delta             Delta transfer for changed files (requires --incremental)\n");
   printf("  -W, --whole-file    Transfer changed files without delta processing\n");
   printf("  --delta-block <n>   Delta block size in bytes (default: %d)\n",