/// <summary>
/// Main method.
/// </summary>
/// <param name="Arguments">Command line</param>
public static ExitCode Process(string[] Arguments, StartupTraceListener StartupListener)
{
// Initial check for local or build machine runs BEFORE we parse the command line (We need this value set
// in case something throws the exception while parsing the command line)
IsBuildMachine = !String.IsNullOrEmpty(Environment.GetEnvironmentVariable("uebp_LOCAL_ROOT")) || Arguments.Any(x => x.Equals("-BuildMachine", StringComparison.InvariantCultureIgnoreCase));
// Scan the command line for commands to execute.
var CommandsToExecute = new List <CommandInfo>();
string OutScriptsForProjectFileName;
var AdditionalScriptsFolders = new List <string>();
ParseCommandLine(Arguments, CommandsToExecute, out OutScriptsForProjectFileName, AdditionalScriptsFolders);
// Get the path to the telemetry file, if present
string TelemetryFile = CommandUtils.ParseParamValue(Arguments, "-Telemetry");
Log.TraceVerbose("IsBuildMachine={0}", IsBuildMachine);
Environment.SetEnvironmentVariable("IsBuildMachine", IsBuildMachine ? "1" : "0");
// should we kill processes on exit
ShouldKillProcesses = !GlobalCommandLine.NoKill;
Log.TraceVerbose("ShouldKillProcesses={0}", ShouldKillProcesses);
if (CommandsToExecute.Count == 0 && GlobalCommandLine.Help)
{
DisplayHelp();
return(ExitCode.Success);
}
// Disable AutoSDKs if specified on the command line
if (GlobalCommandLine.NoAutoSDK)
{
PlatformExports.PreventAutoSDKSwitching();
}
// Setup environment
Log.TraceLog("Setting up command environment.");
CommandUtils.InitCommandEnvironment();
// Create the log file, and flush the startup listener to it
TraceListener LogTraceListener = LogUtils.AddLogFileListener(CommandUtils.CmdEnv.LogFolder, CommandUtils.CmdEnv.FinalLogFolder);
StartupListener.CopyTo(LogTraceListener);
Trace.Listeners.Remove(StartupListener);
// Initialize UBT
if (!UnrealBuildTool.PlatformExports.Initialize())
{
Log.TraceInformation("Failed to initialize UBT");
return(ExitCode.Error_Unknown);
}
// Clean rules folders up
ProjectUtils.CleanupFolders();
// Compile scripts.
Compiler = new ScriptCompiler();
using (TelemetryStopwatch ScriptCompileStopwatch = new TelemetryStopwatch("ScriptCompile"))
{
Compiler.FindAndCompileAllScripts(OutScriptsForProjectFileName, AdditionalScriptsFolders);
}
if (GlobalCommandLine.CompileOnly)
{
Log.TraceInformation("Compilation successful, exiting (CompileOnly)");
return(ExitCode.Success);
}
if (GlobalCommandLine.List)
{
ListAvailableCommands(Compiler.Commands);
return(ExitCode.Success);
}
if (GlobalCommandLine.Help)
{
DisplayHelp(CommandsToExecute, Compiler.Commands);
return(ExitCode.Success);
}
// Enable or disable P4 support
CommandUtils.InitP4Support(CommandsToExecute, Compiler.Commands);
if (CommandUtils.P4Enabled)
{
Log.TraceLog("Setting up Perforce environment.");
CommandUtils.InitP4Environment();
CommandUtils.InitDefaultP4Connection();
}
// Find and execute commands.
ExitCode Result = Execute(CommandsToExecute, Compiler.Commands);
if (TelemetryFile != null)
{
Directory.CreateDirectory(Path.GetDirectoryName(TelemetryFile));
CommandUtils.Telemetry.Write(TelemetryFile);
}
return(Result);
}