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Merged
merged 3 commits into from
Aug 11, 2025
+35 −1
Merged

Better MSBuild log messages in DevOps #30281

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46ad6bd
Use a better logger for Azure DevOps
mattleibow Jun 27, 2025
554f007
Update dotnet.cake
mattleibow Jun 27, 2025
11aa07b
Update IMauiContext.cs
mattleibow Jul 26, 2025
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34 changes: 34 additions & 0 deletions eng/cake/dotnet.cake
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Original file line number Diff line number Diff line change
Expand Up @@ -749,6 +749,12 @@ void RunMSBuildWithDotNet(
// .SetVerbosity(Verbosity.Diagnostic)
;

var loggerArg = GetMSBuildForwardingLoggerPath();
if (loggerArg != null)
{
msbuildSettings.WithArgumentCustomization(args => args.Append(loggerArg));
}

if (warningsAsError)
{
msbuildSettings.TreatAllWarningsAs(MSBuildTreatAllWarningsAs.Error);
Expand Down Expand Up @@ -837,6 +843,12 @@ void RunTestWithLocalDotNet(string csproj, string config, string pathDotnet = nu
// Verbosity = Cake.Common.Tools.DotNetCore.DotNetCoreVerbosity.Diagnostic,
ArgumentCustomization = args =>
{
var loggerArg = GetMSBuildForwardingLoggerPath();
if (loggerArg != null)
{
args.Append(loggerArg);
}

args.Append($"-bl:{binlog}");
if(maxCpuCount > 0)
{
Expand Down Expand Up @@ -938,3 +950,25 @@ void ProcessTFMSwitches()
DeleteFile("Directory.Build.Override.props");
}
}

string GetMSBuildForwardingLoggerPath()
{
if (!IsCIBuild())
return null;

// Download and extract MSBuild logger
var loggerUrl = "https://vstsagenttools.blob.core.windows.net/tools/msbuildlogger/3/msbuildlogger.zip";
var loggerDir = MakeAbsolute(Directory("./artifacts/msbuildlogger"));
EnsureDirectoryExists(loggerDir);
var loggerZip = loggerDir.CombineWithFilePath("msbuildlogger.zip");

if (!FileExists(loggerZip))
{
DownloadFile(loggerUrl, loggerZip.FullPath);
Unzip(loggerZip.FullPath, loggerDir.FullPath);
}

var loggerArg = $"-dl:CentralLogger,\"{loggerDir}/Microsoft.TeamFoundation.DistributedTask.MSBuild.Logger.dll\"*ForwardingLogger,\"{loggerDir}/Microsoft.TeamFoundation.DistributedTask.MSBuild.Logger.dll\"";

return loggerArg;
}
2 changes: 1 addition & 1 deletion src/Core/src/IMauiContext.cs
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Expand Up @@ -12,4 +12,4 @@ public interface IMauiContext
Android.Content.Context? Context { get; }
#endif
}
}
}
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