public CommandResult Execute()
{
TextWriter originalConsoleOut = _environment.GetConsoleOut();
TextWriter originalConsoleError = _environment.GetConsoleError();
string originalWorkingDirectory = _environment.GetWorkingDirectory();
try
{
// redirecting the standard out and error so we can forward
// the output to the caller
using (BlockingMemoryStream outStream = new BlockingMemoryStream())
using (BlockingMemoryStream errorStream = new BlockingMemoryStream())
{
_environment.SetConsoleOut(new StreamWriter(outStream)
{
AutoFlush = true
});
_environment.SetConsoleError(new StreamWriter(errorStream)
{
AutoFlush = true
});
// Reset the Reporters to the new Console Out and Error.
Reporter.Reset();
if (!string.IsNullOrEmpty(_workingDirectory))
{
_environment.SetWorkingDirectory(_workingDirectory);
}
var taskOut = _stdOut.BeginRead(new StreamReader(outStream));
var taskErr = _stdErr.BeginRead(new StreamReader(errorStream));
int exitCode = _builtInCommand(_commandArgs.ToArray());
outStream.DoneWriting();
errorStream.DoneWriting();
Task.WaitAll(taskOut, taskErr);
// fake out a ProcessStartInfo using the Muxer command name, since this is a built-in command
ProcessStartInfo startInfo = new ProcessStartInfo(new Muxer().MuxerPath, $"{CommandName} {CommandArgs}");
return(new CommandResult(startInfo, exitCode, null, null));
}
}
finally
{
_environment.SetConsoleOut(originalConsoleOut);
_environment.SetConsoleError(originalConsoleError);
_environment.SetWorkingDirectory(originalWorkingDirectory);
Reporter.Reset();
}
}
