Function write_graph_chunk_extra_edges

commit-graph.c:1396–1449

}

static int write_graph_chunk_extra_edges(struct hashfile *f,
					 void *data)
{
	struct write_commit_graph_context *ctx = data;
	struct commit **list = ctx->commits.items;
	struct commit **last = ctx->commits.items + ctx->commits.nr;
	struct commit_list *parent;

	while (list < last) {
		int num_parents = 0;

		display_progress(ctx->progress, ++ctx->progress_cnt);

		for (parent = (*list)->parents; num_parents < 3 && parent;
		     parent = parent->next)
			num_parents++;

		if (num_parents <= 2) {
			list++;
			continue;
		}

		/* Since num_parents > 2, this initializer is safe. */
		for (parent = (*list)->parents->next; parent; parent = parent->next) {
			int edge_value = oid_pos(&parent->item->object.oid,
						 ctx->commits.items,
						 ctx->commits.nr,
						 commit_to_oid);

			if (edge_value >= 0)
				edge_value += ctx->new_num_commits_in_base;
			else if (ctx->new_base_graph) {
				uint32_t pos;
				if (find_commit_pos_in_graph(parent->item,
							     ctx->new_base_graph,
							     &pos))
					edge_value = pos;
			}

			if (edge_value < 0)
				BUG("missing parent %s for commit %s",
				    oid_to_hex(&parent->item->object.oid),
				    oid_to_hex(&(*list)->object.oid));
			else if (!parent->next)
				edge_value |= GRAPH_LAST_EDGE;

			hashwrite_be32(f, edge_value);
		}

		list++;
	}

	return 0;
}

static int write_graph_chunk_bloom_indexes(struct hashfile *f,
					   void *data)