Function merge

builtin/notes.c:887–1016

}

static int merge(int argc, const char **argv, const char *prefix,
		 struct repository *repo UNUSED)
{
	struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
	struct object_id result_oid;
	struct notes_tree *t;
	struct notes_merge_options o;
	int do_merge = 0, do_commit = 0, do_abort = 0;
	int verbosity = 0, result;
	const char *strategy = NULL;
	struct option options[] = {
		OPT_GROUP(N_("General options")),
		OPT__VERBOSITY(&verbosity),
		OPT_GROUP(N_("Merge options")),
		OPT_STRING('s', "strategy", &strategy, N_("strategy"),
			   N_("resolve notes conflicts using the given strategy "
			      "(manual/ours/theirs/union/cat_sort_uniq)")),
		OPT_GROUP(N_("Committing unmerged notes")),
		OPT_SET_INT_F(0, "commit", &do_commit,
			      N_("finalize notes merge by committing unmerged notes"),
			      1, PARSE_OPT_NONEG),
		OPT_GROUP(N_("Aborting notes merge resolution")),
		OPT_SET_INT_F(0, "abort", &do_abort,
			      N_("abort notes merge"),
			      1, PARSE_OPT_NONEG),
		OPT_END()
	};
	char *notes_ref;

	argc = parse_options(argc, argv, prefix, options,
			     git_notes_merge_usage, 0);

	if (strategy || do_commit + do_abort == 0)
		do_merge = 1;
	if (do_merge + do_commit + do_abort != 1) {
		error(_("cannot mix --commit, --abort or -s/--strategy"));
		usage_with_options(git_notes_merge_usage, options);
	}

	if (do_merge && argc != 1) {
		error(_("must specify a notes ref to merge"));
		usage_with_options(git_notes_merge_usage, options);
	} else if (!do_merge && argc) {
		error(_("too many arguments"));
		usage_with_options(git_notes_merge_usage, options);
	}

	init_notes_merge_options(the_repository, &o);
	o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;

	if (do_abort)
		return merge_abort(&o);
	if (do_commit)
		return merge_commit(&o);

	notes_ref = default_notes_ref(the_repository);
	o.local_ref = notes_ref;
	strbuf_addstr(&remote_ref, argv[0]);