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UAT: Prevent temp-target files from having their timestamps updated even when the contents don't change. Causes unnecessary rebuilds when working with content-only projects.

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#rb none
#jira UE-70371

#ROBOMERGE-SOURCE: CL 5107983 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)

[CL 5206549 by ben marsh in Main branch]
This commit is contained in:
ben marsh
2019-02-26 16:16:36 -05:00
parent 9c3ae10235
commit 83517e43d4
1 changed files with 12 additions and 6 deletions
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Engine/Source/Programs/AutomationTool/AutomationUtils/ProjectUtils.cs
+12 -6
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@@ -278,8 +278,8 @@ namespace AutomationTool
string ProjectName = RawProjectPath.GetFileNameWithoutExtension();
// Create a target.cs file
FileReference TargetLocation = FileReference.Combine(TempDir, ProjectName + ".Target.cs");
using (StreamWriter Writer = new StreamWriter(TargetLocation.FullName))
MemoryStream TargetStream = new MemoryStream();
using (StreamWriter Writer = new StreamWriter(TargetStream))
{
Writer.WriteLine("using UnrealBuildTool;");
Writer.WriteLine();
@@ -292,10 +292,12 @@ namespace AutomationTool
Writer.WriteLine("\t}");
Writer.WriteLine("}");
}
FileReference TargetLocation = FileReference.Combine(TempDir, ProjectName + ".Target.cs");
FileReference.WriteAllBytesIfDifferent(TargetLocation, TargetStream.ToArray());
// Create a build.cs file
FileReference ModuleLocation = FileReference.Combine(TempDir, ProjectName + ".Build.cs");
using (StreamWriter Writer = new StreamWriter(ModuleLocation.FullName))
MemoryStream ModuleStream = new MemoryStream();
using (StreamWriter Writer = new StreamWriter(ModuleStream))
{
Writer.WriteLine("using UnrealBuildTool;");
Writer.WriteLine();
@@ -310,16 +312,20 @@ namespace AutomationTool
Writer.WriteLine("\t}");
Writer.WriteLine("}");
}
FileReference ModuleLocation = FileReference.Combine(TempDir, ProjectName + ".Build.cs");
FileReference.WriteAllBytesIfDifferent(ModuleLocation, ModuleStream.ToArray());
// Create a main module cpp file
FileReference SourceFileLocation = FileReference.Combine(TempDir, ProjectName + ".cpp");
using (StreamWriter Writer = new StreamWriter(SourceFileLocation.FullName))
MemoryStream SourceFileStream = new MemoryStream();
using (StreamWriter Writer = new StreamWriter(SourceFileStream))
{
Writer.WriteLine("#include \"CoreTypes.h\"");
Writer.WriteLine("#include \"Modules/ModuleManager.h\"");
Writer.WriteLine();
Writer.WriteLine("IMPLEMENT_PRIMARY_GAME_MODULE(FDefaultModuleImpl, {0}, \"{0}\");", ProjectName);
}
FileReference SourceFileLocation = FileReference.Combine(TempDir, ProjectName + ".cpp");
FileReference.WriteAllBytesIfDifferent(SourceFileLocation, SourceFileStream.ToArray());
}
/// <summary>