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powershellmsbuild
Xavier Poinas
Xavier Poinas

Reputation: 19733

MSBuild in a Powershell Script - How do I know if the build succeeded?

I am writting a build script with Powershell. The scripts performs various operations such as getting the latest source code off the SVN, backups, etc., and builds the solution using MSBuild:

cmd /c C:\WINDOWS\Microsoft.NET\Framework\v3.5\msbuild.exe "C:\Dev\Path\MyProjct.sln" /p:Configuration=Release

After this instruction, I only want to execute the rest of the script if the compilation succeeded. How can I check this?

The project is a web project, so it's not so easy to check for an output, but I would guess some variables would contain the compilation result. Also since I call msbuild with cmd /c, am I going to be able to access these variables?

Upvotes: 35

Views: 14871

Answers (2)

Jay Bazuzi
Jay Bazuzi

Reputation: 46496

To just check for success/failure, use the automatic variable $?. 

PS> help about_Automatic_Variables


    $?
       Contains the execution status of the last operation. It contains
    TRUE if the last operation succeeded and FALSE if it failed.

for example:

msbuild
if (! $?) { throw "msbuild failed" }

Upvotes: 12

Keith Hill
Keith Hill

Reputation: 201632

Check the value of $LastExitCode right after the call to MSBUILD. If it is 0, then MSBUILD succeeded, otherwise it failed.

BTW there is no need to use cmd /c. Just call MSBUILD.exe directly. We do that in PowerShell build scripts all the time.

Upvotes: 41

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