Function merge_commit_graph

commit-graph.c:2370–2397

}

static void merge_commit_graph(struct write_commit_graph_context *ctx,
			       struct commit_graph *g)
{
	uint32_t i;
	uint32_t offset = g->num_commits_in_base;

	if (unsigned_add_overflows(ctx->commits.nr, g->num_commits))
		die(_("cannot merge graph %s, too many commits: %"PRIuMAX),
		    oid_to_hex(&g->oid),
		    (uintmax_t)st_add(ctx->commits.nr, g->num_commits));

	commit_stack_grow(&ctx->commits, g->num_commits);

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

		display_progress(ctx->progress, i + 1);

		load_oid_from_graph(g, i + offset, &oid);

		/* only add commits if they still exist in the repo */
		result = lookup_commit_reference_gently(ctx->r, &oid, 1);

		if (result)
			commit_stack_push(&ctx->commits, result);
	}
}

static int commit_compare(const void *_a, const void *_b)
{