Function cbm_cmd_update

src/cli/cli.c:4381–4490

}

int cbm_cmd_update(int argc, char **argv) {
    parse_auto_answer(argc, argv);

    bool dry_run = false;
    bool force = false;
    int variant_flag = 0; /* 0 = ask, 1 = standard, 2 = ui */
    for (int i = 0; i < argc; i++) {
        if (strcmp(argv[i], "--dry-run") == 0) {
            dry_run = true;
        } else if (strcmp(argv[i], "--standard") == 0) {
            variant_flag = VARIANT_A;
        } else if (strcmp(argv[i], "--ui") == 0) {
            variant_flag = VARIANT_B;
        } else if (strcmp(argv[i], "--force") == 0) {
            force = true;
        }
    }

    const char *home = cbm_get_home_dir();
    if (!home) {
        (void)fprintf(stderr, "error: HOME not set (use USERPROFILE on Windows)\n");
        return CLI_TRUE;
    }

    printf("codebase-memory-mcp update (current: %s)\n\n", CBM_VERSION);

    /* Version check — skip download if already on latest (not in dry-run). */
    if (!force && !dry_run && check_already_latest()) {
        return 0;
    }

    /* Step 1: Check for existing indexes */
    if (update_clear_indexes(home, dry_run) != 0) {
        return CLI_TRUE;
    }

    /* Step 2: Determine variant */
    int want_ui_rc = select_update_variant(variant_flag);
    if (want_ui_rc < 0) {
        return CLI_TRUE;
    }
    bool want_ui = (want_ui_rc == CLI_TRUE);
    const char *variant = want_ui ? "ui-" : "";
    const char *variant_label = want_ui ? "ui" : "standard";

    const char *os = detect_os();
    const char *arch = detect_arch();
    const char *ext = strcmp(os, "windows") == 0 ? "zip" : "tar.gz";

    char url[CLI_BUF_512];
    build_update_url(url, sizeof(url), os, arch, ext, want_ui);

    if (dry_run) {
        printf("\nWould download %s binary for %s/%s ...\n", variant_label, os, arch);
    } else {
        printf("\nDownloading %s binary for %s/%s ...\n", variant_label, os, arch);
    }
    printf("  %s\n", url);