public static string GetDirectoryHash(string directory, params string[] fileGlobPatterns)
{
ControlFlow.Assert(Directory.Exists(directory), $"Directory.Exists({directory})");
var files = (fileGlobPatterns.Length == 0
? Directory.GetFiles(directory, "*", SearchOption.AllDirectories)
: PathConstruction.GlobFiles(directory, fileGlobPatterns))
.OrderBy(x => x).ToList();
using (var md5 = MD5.Create())
{
foreach (var file in files)
{
var relativePath = PathConstruction.GetRelativePath(directory, file);
var unixNormalizedPath = PathConstruction.NormalizePath(relativePath, separator: '/');
var pathBytes = Encoding.UTF8.GetBytes(unixNormalizedPath);
md5.TransformBlock(pathBytes, inputOffset: 0, inputCount: pathBytes.Length, outputBuffer: pathBytes, outputOffset: 0);
var contentBytes = File.ReadAllBytes(file);
md5.TransformBlock(contentBytes, inputOffset: 0, inputCount: contentBytes.Length, outputBuffer: contentBytes, outputOffset: 0);
}
md5.TransformFinalBlock(new byte[0], inputOffset: 0, inputCount: 0);
return(BitConverter.ToString(md5.Hash).Replace("-", "").ToLower());
}
}
private static void CompressTar(
string directory,
string archiveFile,
Predicate <FileInfo> filter,
FileMode fileMode,
Func <Stream, Stream> outputStreamFactory)
{
Log.Information("Compressing content of {Directory} to {File} ...", directory, Path.GetFileName(archiveFile));
FileSystemTasks.EnsureExistingParentDirectory(archiveFile);
var files = GetFiles(directory, filter);
using var fileStream = File.Open(archiveFile, fileMode, FileAccess.ReadWrite);
using var outputStream = outputStreamFactory(fileStream);
using var tarArchive = TarArchive.CreateOutputTarArchive(outputStream);
foreach (var file in files)
{
var entry = TarEntry.CreateEntryFromFile(file);
var relativePath = PathConstruction.GetRelativePath(directory, file);
entry.Name = PathConstruction.NormalizePath(relativePath, separator: '/');
tarArchive.WriteEntry(entry, recurse: false);
}
}
