Function mark_reachable_objects

reachable.c:299–355

}

void mark_reachable_objects(struct rev_info *revs, int mark_reflog,
			    timestamp_t mark_recent, struct progress *progress)
{
	struct connectivity_progress cp;
	struct bitmap_index *bitmap_git;

	/*
	 * Set up revision parsing, and mark us as being interested
	 * in all object types, not just commits.
	 */
	revs->tag_objects = 1;
	revs->blob_objects = 1;
	revs->tree_objects = 1;

	/* Add all refs from the index file */
	add_index_objects_to_pending(revs, 0);

	/* Add all external refs */
	refs_for_each_ref(get_main_ref_store(the_repository), add_one_ref,
			  revs);

	/* detached HEAD is not included in the list above */
	refs_head_ref(get_main_ref_store(the_repository), add_one_ref, revs);
	other_head_refs(add_one_ref, revs);

	/* rebase autostash and orig-head */
	add_rebase_files(revs);

	/* Add all reflog info */
	if (mark_reflog)
		add_reflogs_to_pending(revs, 0);

	cp.progress = progress;
	cp.count = 0;

	bitmap_git = prepare_bitmap_walk(revs, 0);
	if (bitmap_git) {
		traverse_bitmap_commit_list(bitmap_git, revs, mark_object_seen);
		free_bitmap_index(bitmap_git);
	} else {
		if (prepare_revision_walk(revs))
			die("revision walk setup failed");
		traverse_commit_list(revs, mark_commit, mark_object, &cp);
	}

	if (mark_recent) {
		revs->ignore_missing_links = 1;
		if (add_unseen_recent_objects_to_traversal(revs, mark_recent,
							   NULL, 0))
			die("unable to mark recent objects");
		if (prepare_revision_walk(revs))
			die("revision walk setup failed");
		traverse_commit_list(revs, mark_commit, mark_object, &cp);
	}

	display_progress(cp.progress, cp.count);
}