Function verify_one_commit_graph

commit-graph.c:2764–2914

}

static int verify_one_commit_graph(struct commit_graph *g,
				   struct progress *progress,
				   uint64_t *seen)
{
	struct repository *r = g->odb_source->odb->repo;
	uint32_t i, cur_fanout_pos = 0;
	struct object_id prev_oid, cur_oid;
	struct commit *seen_gen_zero = NULL;
	struct commit *seen_gen_non_zero = NULL;

	if (!commit_graph_checksum_valid(g)) {
		graph_report(_("the commit-graph file has incorrect checksum and is likely corrupt"));
		verify_commit_graph_error = VERIFY_COMMIT_GRAPH_ERROR_HASH;
	}

	for (i = 0; i < g->num_commits; i++) {
		struct commit *graph_commit;

		oidread(&cur_oid, g->chunk_oid_lookup + st_mult(g->hash_algo->rawsz, i),
			g->hash_algo);

		if (i && oidcmp(&prev_oid, &cur_oid) >= 0)
			graph_report(_("commit-graph has incorrect OID order: %s then %s"),
				     oid_to_hex(&prev_oid),
				     oid_to_hex(&cur_oid));

		oidcpy(&prev_oid, &cur_oid);

		while (cur_oid.hash[0] > cur_fanout_pos) {
			uint32_t fanout_value = get_be32(g->chunk_oid_fanout + cur_fanout_pos);

			if (i != fanout_value)
				graph_report(_("commit-graph has incorrect fanout value: fanout[%d] = %u != %u"),
					     cur_fanout_pos, fanout_value, i);
			cur_fanout_pos++;
		}

		graph_commit = lookup_commit(r, &cur_oid);
		if (!parse_commit_in_graph_one(g, graph_commit))
			graph_report(_("failed to parse commit %s from commit-graph"),
				     oid_to_hex(&cur_oid));
	}

	while (cur_fanout_pos < 256) {
		uint32_t fanout_value = get_be32(g->chunk_oid_fanout + cur_fanout_pos);

		if (g->num_commits != fanout_value)
			graph_report(_("commit-graph has incorrect fanout value: fanout[%d] = %u != %u"),
				     cur_fanout_pos, fanout_value, i);

		cur_fanout_pos++;
	}

	if (verify_commit_graph_error & ~VERIFY_COMMIT_GRAPH_ERROR_HASH)
		return verify_commit_graph_error;

	for (i = 0; i < g->num_commits; i++) {
		struct commit *graph_commit, *odb_commit;