Class stat

tests/test_pipeline.c:9799–9799

    if (staging_path && staging_path[0]) {
        snprintf(ctx->staging_path, sizeof(ctx->staging_path), "%s", staging_path);
        struct stat st;
        ctx->staging_existed = stat(staging_path, &st) == 0;
        if (ctx->staging_existed) {
            cbm_store_t *staging = cbm_store_open_path(staging_path);