/// <summary>
/// Exports the contents a layer or sandbox to the specified directory. Only the files and
/// registry keys that were changed are exported.
/// </summary>
/// <param name="path">The path to the layer or sandbox.</param>
/// <param name="exportPath">The path of the exported files. This directory will be created and must not already exist.</param>
/// <param name="layers">A list of parent layers.</param>
public static void ExportLayer(string path, string exportPath, IList <Layer> layers)
{
path = Path.GetFullPath(path);
if (Directory.Exists(exportPath))
{
throw new IOException(string.Format("Directory {0} already exists.", exportPath));
}
Directory.CreateDirectory(exportPath);
try
{
using (var info = new DriverInfoHelper())
using (var descriptors = new LayerHelper(layers))
{
StorageFunctions.ActivateLayer(ref info.Data, path);
try
{
StorageFunctions.ExportLayer(ref info.Data, path, exportPath, descriptors.Data, descriptors.Data.Length);
}
finally
{
StorageFunctions.DeactivateLayer(ref info.Data, path);
}
}
}
catch (Exception)
{
Directory.Delete(exportPath, true);
throw;
}
}
internal MountedSandbox(string path, IList <Layer> layers)
{
using (var info = new DriverInfoHelper())
using (var descriptors = new LayerHelper(layers))
{
StorageFunctions.ActivateLayer(ref info.Data, path);
try
{
StorageFunctions.PrepareLayer(ref info.Data, path, descriptors.Data, descriptors.Data.Length);
var mountPath = new StringBuilder(260);
var length = new UIntPtr((uint)mountPath.Capacity);
StorageFunctions.GetLayerMountPath(ref info.Data, path, ref length, mountPath);
_mountPath = mountPath.ToString();
}
catch (Exception)
{
StorageFunctions.DeactivateLayer(ref info.Data, path);
throw;
}
}
_path = path;
}