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How can I debug an MSBuild file?

I've got a large solution that I'm using TFS (and MSBuild) to... well... build. However, it takes a long time to build everything, and I was wondering if it was possible to just debug the build XML file rather than doing the build itself.

I'm using VS2008 and TFS 2008.

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Piers Karsenbarg Avatar asked Apr 06 '11 08:04

Piers Karsenbarg


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1 Answers

Unfortunately the possibility to debug MSBuild scripts with Visual Studio has been unofficially introduced in .NET 4.0.

For earlier versions all you are left with is "debugging by tracing", that is inserting log statements at key points in your script, running the script and examining the output.

Here's how you would typically do it using the Message Task:

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
        <SomeVariable>foo</SomeVariable>
    </PropertyGroup>
    <Target Name="MyTarget">
        <!-- Some tasks -->
        <Message Text="The value of SomeVariable is: $(SomeVariable)" Importance="High" />
        <!-- Some tasks -->
    </Target>
</Project>

You can then invoke the script from the command line and redirect the output to a log file:

msbuild MyScript.proj /t:MyTarget > %USERPROFILE%\Desktop\MyScript.log

Related resources:

  • Debugging MSBuild scripts with Visual Studio (.NET 4.0)
  • Overview of Logging in MSBuild
like image 183
Enrico Campidoglio Avatar answered Sep 19 '22 12:09

Enrico Campidoglio