public ProcessWrapper(string fileName, string arguments, string workDir, bool createWindow, bool redirectInput, bool redirectOutput, [CanBeNull] Encoding outputEncoding)
{
Debug.Assert(redirectOutput == (outputEncoding != null), "redirectOutput == (outputEncoding != null)");
_redirectInput = redirectInput;
_redirectOutput = redirectOutput;
_process = new Process
{
EnableRaisingEvents = true,
StartInfo =
{
UseShellExecute = false,
ErrorDialog = false,
CreateNoWindow = !createWindow,
RedirectStandardInput = redirectInput,
RedirectStandardOutput = redirectOutput,
RedirectStandardError = redirectOutput,
StandardOutputEncoding = outputEncoding,
StandardErrorEncoding = outputEncoding,
FileName = fileName,
Arguments = arguments,
WorkingDirectory = workDir
}
};
_logOperation = CommandLog.LogProcessStart(fileName, arguments, workDir);
_process.Exited += OnProcessExit;
_process.Start();
_logOperation.SetProcessId(_process.Id);
}
public ProcessWrapper(string fileName,
string arguments,
string workDir,
bool createWindow,
bool redirectInput,
bool redirectOutput,
Encoding?outputEncoding,
bool useShellExecute)
{
Debug.Assert(redirectOutput == (outputEncoding is not null), "redirectOutput == (outputEncoding is not null)");
_redirectInput = redirectInput;
_redirectOutput = redirectOutput;
_process = new Process
{
EnableRaisingEvents = true,
StartInfo =
{
UseShellExecute = useShellExecute,
Verb = useShellExecute ? "open" : string.Empty,
ErrorDialog = false,
CreateNoWindow = !createWindow,
RedirectStandardInput = redirectInput,
RedirectStandardOutput = redirectOutput,
RedirectStandardError = redirectOutput,
StandardOutputEncoding = outputEncoding,
StandardErrorEncoding = outputEncoding,
FileName = fileName,
Arguments = arguments,
WorkingDirectory = workDir
}
};
_logOperation = CommandLog.LogProcessStart(fileName, arguments, workDir);
_process.Exited += OnProcessExit;
try
{
_process.Start();
try
{
_logOperation.SetProcessId(_process.Id);
}
catch (InvalidOperationException ex) when(useShellExecute)
{
// _process.Start() has succeeded, ignore the failure getting the _process.Id
_logOperation.LogProcessEnd(ex);
}
}
catch (Exception ex)
{
Dispose();
_logOperation.LogProcessEnd(ex);
throw new ExternalOperationException(fileName, arguments, workDir, ex);
}
}
public override void StartProcess(string command, string arguments, string workDir, Dictionary <string, string> envVariables)
{
ProcessOperation operation = CommandLog.LogProcessStart(command, arguments, workDir);
try
{
EnvironmentConfiguration.SetEnvironmentVariables();
bool ssh = GitSshHelpers.UseSsh(arguments);
KillProcess();
// process used to execute external commands
var outputEncoding = GitModule.SystemEncoding;
var startInfo = new ProcessStartInfo
{
UseShellExecute = false,
ErrorDialog = false,
CreateNoWindow = !ssh && !AppSettings.ShowGitCommandLine,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
StandardOutputEncoding = outputEncoding,
StandardErrorEncoding = outputEncoding,
FileName = command,
Arguments = arguments,
WorkingDirectory = workDir
};
foreach (var(name, value) in envVariables)
{
startInfo.EnvironmentVariables.Add(name, value);
}
var process = new Process {
StartInfo = startInfo, EnableRaisingEvents = true
};
process.OutputDataReceived += (sender, args) => FireDataReceived(new TextEventArgs((args.Data ?? "") + '\n'));
process.ErrorDataReceived += (sender, args) => FireDataReceived(new TextEventArgs((args.Data ?? "") + '\n'));
process.Exited += delegate
{
this.InvokeAsync(
() =>
{
if (_process is null)
{
operation.LogProcessEnd(new Exception("Process instance is null in Exited event"));
return;
}
// The process is exited already, but this command waits also until all output is received.
// Only WaitForExit when someone is connected to the exited event. For some reason a
// null reference is thrown sometimes when staging/unstaging in the commit dialog when
// we wait for exit, probably a timing issue...
try
{
_process.WaitForExit();
}
catch (Exception ex)
{
operation.LogProcessEnd(ex);
}
_exitcode = _process.ExitCode;
operation.LogProcessEnd(_exitcode);
_process = null;
_outputThrottle?.FlushOutput();
FireProcessExited();
_outputThrottle?.Stop(flush: true);
}).FileAndForget();
};
process.Start();
operation.SetProcessId(process.Id);
_process = process;
process.BeginOutputReadLine();
process.BeginErrorReadLine();
}
catch (Exception ex)
{
operation.LogProcessEnd(ex);
ex.Data.Add("command", command);
ex.Data.Add("arguments", arguments);
throw;
}
}