/// <param name="task">Task to be backed up/restored.</param>
/// <param name="expectedNumOutputLines">
/// Expected total number of output lines for progress estimation, e.g.,
/// obtained by a prior simulation run.
/// Required for the ProgressChanged event to be fired.
/// </param>
public RobocopyProcess(MirrorTask task, string sourceFolder, string destinationFolder, int expectedNumOutputLines = -1)
{
if (task == null)
{
throw new ArgumentNullException("task");
}
if (string.IsNullOrEmpty(sourceFolder))
{
throw new ArgumentNullException("sourceFolder");
}
if (string.IsNullOrEmpty(destinationFolder))
{
throw new ArgumentNullException("destinationFolder");
}
if (!Directory.Exists(sourceFolder))
{
throw new InvalidOperationException(string.Format("The source folder {0} does not exist.", PathHelper.Quote(sourceFolder)));
}
if (!Directory.Exists(destinationFolder))
{
throw new InvalidOperationException(string.Format("The destination folder {0} does not exist.", PathHelper.Quote(destinationFolder)));
}
// only use the bundled Robocopy version if the system does not ship with one
string exePath = Path.Combine(Environment.SystemDirectory, "Robocopy.exe");
if (!File.Exists(exePath))
{
exePath = Path.Combine(System.Windows.Forms.Application.StartupPath, @"Tools\Robocopy.exe");
if (!File.Exists(exePath))
{
throw new InvalidOperationException(string.Format("{0} does not exist.", PathHelper.Quote(exePath)));
}
}
#if DEBUG
exePath = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "DummyConsoleProcess.exe");
#endif
SourceFolder = sourceFolder;
DestinationFolder = destinationFolder;
PurgeExtraItems = task.DeleteExtraItems;
_expectedNumOutputLines = expectedNumOutputLines;
StartInfo.FileName = exePath;
StartInfo.Arguments = string.Format("{0} {1} {2}", PathHelper.QuoteForRobocopy(SourceFolder),
PathHelper.QuoteForRobocopy(DestinationFolder), BuildSwitches(task, SourceFolder));
}
private static void AppendPathOrWildcard(StringBuilder arguments, string folder, string pathOrWildcard)
{
// paths begin with a directory separator character
if (pathOrWildcard[0] == Path.DirectorySeparatorChar)
{
pathOrWildcard = Path.Combine(folder, pathOrWildcard.Substring(1));
}
arguments.Append(' ');
// enforce enclosing double-quotes because if a volume shadow copy is used,
// the source volume will be replaced by the mount point which may contain spaces
arguments.Append(PathHelper.QuoteForRobocopy(pathOrWildcard, force: true));
}