Function graph_is_interesting

graph.c:457–474

* Returns 1 if the commit will be printed in the graph output, * and 0 otherwise. */

 * and 0 otherwise.
 */
static int graph_is_interesting(struct git_graph *graph, struct commit *commit)
{
	/*
	 * If revs->boundary is set, commits whose children have
	 * been shown are always interesting, even if they have the
	 * UNINTERESTING or TREESAME flags set.
	 */
	if (graph->revs && graph->revs->boundary) {
		if (commit->object.flags & CHILD_SHOWN)
			return 1;
	}

	/*
	 * Otherwise, use get_commit_action() to see if this commit is
	 * interesting
	 */
	return get_commit_action(graph->revs, commit) == commit_show;
}

static struct commit_list *next_interesting_parent(struct git_graph *graph,
						   struct commit_list *orig)