Function prune_fixture_setup

tests/test_watcher.c:240–265

Returns false (with partial state cleaned up) if setup failed. */

/* Returns false (with partial state cleaned up) if setup failed. */
static bool prune_fixture_setup(prune_fixture_t *f, const char *grace_s) {
    snprintf(f->rootdir, sizeof(f->rootdir), "/tmp/cbm_watcher_stale_root_XXXXXX");
    if (!cbm_mkdtemp(f->rootdir)) {
        return false;
    }
    snprintf(f->cachedir, sizeof(f->cachedir), "/tmp/cbm_watcher_stale_cache_XXXXXX");
    if (!cbm_mkdtemp(f->cachedir)) {
        th_rmtree(f->rootdir);
        return false;
    }

    f->had_cache_dir = cbm_safe_getenv("CBM_CACHE_DIR", f->saved_cache_dir,
                                       sizeof(f->saved_cache_dir), NULL) != NULL;
    f->had_grace = cbm_safe_getenv("CBM_WATCHER_PRUNE_GRACE_S", f->saved_grace,
                                   sizeof(f->saved_grace), NULL) != NULL;
    cbm_setenv("CBM_CACHE_DIR", f->cachedir, 1);
    cbm_setenv("CBM_WATCHER_PRUNE_GRACE_S", grace_s, 1);

    snprintf(f->db_path, sizeof(f->db_path), "%s/stale-project.db", f->cachedir);
    snprintf(f->wal_path, sizeof(f->wal_path), "%s/stale-project.db-wal", f->cachedir);
    snprintf(f->shm_path, sizeof(f->shm_path), "%s/stale-project.db-shm", f->cachedir);
    th_write_file(f->db_path, "db\n");
    th_write_file(f->wal_path, "wal\n");
    th_write_file(f->shm_path, "shm\n");
    return true;
}

static void prune_fixture_teardown(prune_fixture_t *f) {
    if (f->had_cache_dir) {