GitCommands.GitModule.AppendQuotedString C# (CSharp) Method

        private static string AppendQuotedString(string str1, string str2)
        {
            var m1 = QuotedText.Match(str1);
            var m2 = QuotedText.Match(str2);
            if (!m1.Success || !m2.Success)
                return str1 + str2;
            Debug.Assert(m1.Groups[1].Value == m2.Groups[1].Value);
            return str1.Substring(0, str1.Length - 2) + m2.Groups[2].Value + "?=";
        }