public static string GetVersion()
{
Process p = new Process();
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardError = true;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.FileName = "diff3";
p.StartInfo.Arguments = "--version";
p.StartInfo.CreateNoWindow = true;
p.Start();
p.WaitForExit();
ExecutionResult result = new ExecutionResult(p);
Debug.WriteLine(result.StandardOutput);
return result.StandardOutput;
}
public static string RunProcess(string filePath, string arguments)
{
Process p = new Process();
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardError = true;
p.StartInfo.RedirectStandardOutput = true;
//NB: there is a post-build step in this project which copies the diff3 folder into the output
p.StartInfo.FileName = filePath;
p.StartInfo.Arguments = arguments;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.WaitForExit();
ExecutionResult result = new ExecutionResult(p);
if (result.ExitCode == 2)//0 and 1 are ok
{
throw new ApplicationException("Got error " + result.ExitCode + " " + result.StandardOutput + " " + result.StandardError);
}
Debug.WriteLine(result.StandardOutput);
return result.StandardOutput;
}
public static ExecutionResult Run(string commandLine, string fromDirectory)
{
ExecutionResult result = new ExecutionResult();
Process p = new Process();
p.StartInfo.UseShellExecute = false;
p.StartInfo.WorkingDirectory = fromDirectory;
p.StartInfo.FileName = "WrapShellCall";
using (TempFile tempOut = new TempFile())
{
using (TempFile tempErr = new TempFile())
{
p.StartInfo.Arguments = "\""+tempOut.Path +"\" " + "\""+tempErr.Path + "\" " + commandLine;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.WaitForExit();
result.StandardOutput = File.ReadAllText(tempOut.Path);
result.StandardError = File.ReadAllText(tempErr.Path);
result.ExitCode = p.ExitCode;
}
}
return result;
}
public static ExecutionResult Run(string commandLine, string fromDirectory, int secondsBeforeTimeOut, IProgress progress)
{
ExecutionResult result = new ExecutionResult();
Process process = new Process();
if (String.IsNullOrEmpty(MercurialLocation.PathToMercurialFolder))
{
throw new ApplicationException("Mercurial location has not been configured.");
}
process.StartInfo.EnvironmentVariables["PYTHONPATH"] = Path.Combine(MercurialLocation.PathToMercurialFolder, "library.zip");
process.StartInfo.EnvironmentVariables["HGENCODING"] = "UTF-8"; // See mercurial/encoding.py
process.StartInfo.EnvironmentVariables["HGENCODINGMODE"] = "strict";
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WorkingDirectory = fromDirectory;
process.StartInfo.FileName = MercurialLocation.PathToHgExecutable;
var debug = Environment.GetEnvironmentVariable(@"CHORUSDEBUGGING") == null ? String.Empty : @"--debug ";
process.StartInfo.Arguments = commandLine.Replace("hg ", debug); //we don't want the whole command line, just the args portion
//The fixutf8 extension's job is to get hg to talk in this encoding
process.StartInfo.StandardOutputEncoding = System.Text.Encoding.UTF8;
process.StartInfo.StandardErrorEncoding = System.Text.Encoding.UTF8;
if(!String.IsNullOrEmpty(debug))
{
Logger.WriteEvent("Running hg command: hg --debug {0}", commandLine);
}
try
{
process.Start();
}
catch(Win32Exception error)
{
const int ERROR_FILE_NOT_FOUND = 2;
if (error.NativeErrorCode == ERROR_FILE_NOT_FOUND &&
!commandLine.Contains("version"))//don't recurse if the readinessMessage itself is what failed
{
string msg = HgRepository.GetEnvironmentReadinessMessage("en");
if(!string.IsNullOrEmpty(msg))
throw new ApplicationException(msg);
else
{
throw error;
}
}
else
{
throw error;
}
}
var processReader = new HgProcessOutputReader(fromDirectory);
if(secondsBeforeTimeOut > TimeoutSecondsOverrideForUnitTests)
secondsBeforeTimeOut = TimeoutSecondsOverrideForUnitTests;
bool timedOut = false;
if (!processReader.Read(ref process, secondsBeforeTimeOut, progress))
{
timedOut = !progress.CancelRequested;
try
{
if (process.HasExited)
{
progress.WriteWarning("Process exited, cancelRequested was {0}", progress.CancelRequested);
}
else
{
progress.WriteWarning("Killing Hg Process...");
process.Kill();
}
}
catch(Exception e)
{
progress.WriteWarning("Exception while killing process, as though the process reader failed to notice that the process was over: {0}", e.Message);
progress.WriteWarning("Process.HasExited={0}", process.HasExited.ToString());
}
}
result.StandardOutput = processReader.StandardOutput;
result.StandardError = processReader.StandardError;
if (timedOut)
{
result.StandardError += Environment.NewLine + "Timed Out after waiting " + secondsBeforeTimeOut + " seconds.";
result.ExitCode = ProcessStream.kTimedOut;
}
else if (progress.CancelRequested)
{
result.StandardError += Environment.NewLine + "User Cancelled.";
result.ExitCode = ProcessStream.kCancelled;
}
else
{
result.ExitCode = process.ExitCode;
}
return result;
}
