Function load_commit_graph_chain_fd_st

commit-graph.c:641–703

}

struct commit_graph *load_commit_graph_chain_fd_st(struct object_database *odb,
						   int fd, struct stat *st,
						   int *incomplete_chain)
{
	struct commit_graph *graph_chain = NULL;
	struct strbuf line = STRBUF_INIT;
	struct object_id *oids;
	int i = 0, valid = 1, count;
	FILE *fp = xfdopen(fd, "r");

	count = st->st_size / (odb->repo->hash_algo->hexsz + 1);
	CALLOC_ARRAY(oids, count);

	odb_prepare_alternates(odb);

	for (i = 0; i < count; i++) {
		struct odb_source *source;

		if (strbuf_getline_lf(&line, fp) == EOF)
			break;

		if (get_oid_hex_algop(line.buf, &oids[i], odb->repo->hash_algo)) {
			warning(_("invalid commit-graph chain: line '%s' not a hash"),
				line.buf);
			valid = 0;
			break;
		}

		valid = 0;
		for (source = odb->sources; source; source = source->next) {
			char *graph_name = get_split_graph_filename(source, line.buf);
			struct commit_graph *g = load_commit_graph_one(source, graph_name);

			free(graph_name);

			if (g) {
				if (add_graph_to_chain(g, graph_chain, oids, i)) {
					graph_chain = g;
					valid = 1;
				} else {
					free_commit_graph(g);
				}

				break;
			}
		}

		if (!valid) {
			warning(_("unable to find all commit-graph files"));
			break;
		}
	}

	validate_mixed_generation_chain(graph_chain);
	validate_mixed_bloom_settings(graph_chain);

	free(oids);
	fclose(fp);