/// <summary>
/// Alternative to System.IO.Compression.ZipFile.ExtractToDirectory()
/// that handles long paths.
/// </summary>
protected static void ZipFileExtractToDirectory(string sourceArchiveFileName, string destinationDirectoryName)
{
if (Platform.IsClientWindows)
{
// Handle long paths under Windows by extracting to a
// temporary file and moving the resulting file to the
// actual destination using functions that support
// long paths.
using (var archive = ZipFile.OpenRead(sourceArchiveFileName))
{
foreach (var entry in archive.Entries)
{
// By the ZIP spec, directories end in a forward slash
var isDirectory = entry.FullName.EndsWith("/");
var destination =
systemIO.PathGetFullPath(systemIO.PathCombine(destinationDirectoryName, entry.FullName));
if (isDirectory)
{
systemIO.DirectoryCreate(destination);
}
else
{
// Not every directory is recorded separately,
// so create directories if needed
systemIO.DirectoryCreate(systemIO.PathGetDirectoryName(destination));
// Extract file to temporary file, then move to
// the (possibly) long path destination
var tempFile = Path.GetTempFileName();
try
{
entry.ExtractToFile(tempFile, true);
systemIO.FileMove(tempFile, destination);
}
finally
{
if (systemIO.FileExists(tempFile))
{
systemIO.FileDelete(tempFile);
}
}
}
}
}
}
else
{
ZipFile.ExtractToDirectory(sourceArchiveFileName, destinationDirectoryName);
}
}