GitVersion.LibGitExtensions.CheckoutFilesIfExist C# (CSharp) Method

        public static void CheckoutFilesIfExist(this IRepository repository, params string[] fileNames)
        {
            if (fileNames == null || fileNames.Length == 0)
            {
                return;
            }

            Logger.WriteInfo("Checking out files that might be needed later in dynamic repository");

            foreach (var fileName in fileNames)
            {
                try
                {
                    Logger.WriteInfo(string.Format("  Trying to check out '{0}'", fileName));

                    var headBranch = repository.Head;
                    var tip = headBranch.Tip;

                    var treeEntry = tip[fileName];
                    if (treeEntry == null)
                    {
                        continue;
                    }

                    var fullPath = Path.Combine(repository.GetRepositoryDirectory(), fileName);
                    using (var stream = ((Blob)treeEntry.Target).GetContentStream())
                    {
                        using (var streamReader = new BinaryReader(stream))
                        {
                            File.WriteAllBytes(fullPath, streamReader.ReadBytes((int)stream.Length));
                        }
                    }
                }
                catch (Exception ex)
                {
                    Logger.WriteWarning(string.Format("  An error occurred while checking out '{0}': '{1}'", fileName, ex.Message));
                }
            }
        }