private System.Diagnostics.Process CreateProcess(ProcessSpec processSpec)
{
var process = new System.Diagnostics.Process
{
EnableRaisingEvents = true,
StartInfo =
{
FileName = processSpec.Executable,
// Arguments = ArgumentEscaper.EscapeAndConcatenateArgArrayForProcessStart(processSpec.Arguments),
Arguments = ArgumentEscaper.EscapeAndConcatenateArgArrayForProcessStart(processSpec.Arguments),
UseShellExecute = false,
WorkingDirectory = processSpec.WorkingDirectory,
RedirectStandardOutput = processSpec.IsOutputCaptured || (processSpec.OnOutput != null),
RedirectStandardError = processSpec.IsOutputCaptured,
}
};
foreach (var env in processSpec.EnvironmentVariables)
{
process.StartInfo.Environment.Add(env.Key, env.Value);
}
return(process);
}
// May not be necessary in the future. See https://github.com/dotnet/corefx/issues/12039
public async Task <int> RunAsync(ProcessSpec processSpec, CancellationToken cancellationToken)
{
Ensure.NotNull(processSpec, nameof(processSpec));
int exitCode;
var stopwatch = new Stopwatch();
using (var process = CreateProcess(processSpec))
using (var processState = new ProcessState(process, _reporter))
{
cancellationToken.Register(() => processState.TryKill());
var readOutput = false;
var readError = false;
if (processSpec.IsOutputCaptured)
{
readOutput = true;
readError = true;
process.OutputDataReceived += (_, a) =>
{
if (!string.IsNullOrEmpty(a.Data))
{
processSpec.OutputCapture.AddLine(a.Data);
}
};
process.ErrorDataReceived += (_, a) =>
{
if (!string.IsNullOrEmpty(a.Data))
{
processSpec.OutputCapture.AddLine(a.Data);
}
};
}
else if (processSpec.OnOutput != null)
{
readOutput = true;
process.OutputDataReceived += processSpec.OnOutput;
}
stopwatch.Start();
process.Start();
_reporter.Verbose($"Started '{processSpec.Executable}' '{process.StartInfo.Arguments}' with process id {process.Id}");
if (readOutput)
{
process.BeginOutputReadLine();
}
if (readError)
{
process.BeginErrorReadLine();
}
await processState.Task;
exitCode = process.ExitCode;
stopwatch.Stop();
_reporter.Verbose($"Process id {process.Id} ran for {stopwatch.ElapsedMilliseconds}ms");
}
return(exitCode);
}
public Task <int> RunAsync(ProcessSpec processSpec)
{
var processRunner = new ProcessRunner(_reporter);
return(processRunner.RunAsync(processSpec, _cts.Token));
}