Function walk_cache_dir_snapshot

src/discover/discover.c:574–577

static _Thread_local char g_walk_cache_dir[CBM_SZ_4K];

static void walk_cache_dir_snapshot(void) {
    const char *cache = cbm_workspace_cache_dir();
    snprintf(g_walk_cache_dir, sizeof(g_walk_cache_dir), "%s", cache ? cache : "");
}

/* The cache directory holds every indexed project's graph database. When a custom
 * CBM_CACHE_DIR sits inside a repository — which happens in tests and is legal in