How do I parse the output of msdeploy and fail the build if there are errors?

msdeploy.exe is excellent fro deploying ASP.Net projects to other servers but if suffers severely from always returning a 0 status on exit, even when it raises several errors.

So I need to parse the output and have that raise an error, is there an easy way to do this?

You can see from the build log below what is going on.

[17:32:31]: Skip copying Global.asax to  obj\Debug\Package\PackageTmp\Global.asax, File  obj\Debug\Package\PackageTmp\Global.asax is up to date
[17:32:31]: C:\Program  Files\MSBuild\Microsoft\VisualStudio\v10.0\Web\Microsoft.Web.Publishing.targets(1845,5):  error : Copying file Web.Debug.config to  obj\Debug\Package\PackageTmp\Web.Debug.config failed. Could not find  file 'Web.Debug.config'.  [C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj]
[17:32:31]: Done Building Project  "C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj" (Package  target(s)) -- FAILED.
[17:32:31]: Build FAILED.
[17:32:31]: "C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj" (Package  target) (1) ->
[17:32:31]: (ValidateGlobalPackageSetting target)  ->
[17:32:31]: C:\Program  Files\MSBuild\Microsoft\VisualStudio\v10.0\Web\Microsoft.Web.Publishing.targets(817,5):  error : '..\Package\WebApp.zip' exists as a file. You can't package as  an archive directory to be the same path as an existing file. Please  delete the file before packaging. Alternative,you can call msbuild with  /t:CleanWebsitesPackage target to remove it.  [C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj]
[17:32:31]: "C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj" (Package  target) (1) ->
[17:32:31]: (CopyAllFilesToSingleFolderForPackage  target) ->
[17:32:31]: C:\Program  Files\MSBuild\Microsoft\VisualStudio\v10.0\Web\Microsoft.Web.Publishing.targets(1845,5):  error : Copying file Web.Debug.config to  obj\Debug\Package\PackageTmp\Web.Debug.config failed. Could not find  file 'Web.Debug.config'.  [C:\BuildAgent\work\f3548ee02a6397b9\webapp\WebApp.csproj]
[17:32:31]: 0 Warning(s)
[17:32:31]: 2 Error(s)
[17:32:31]: Time Elapsed 00:00:00.87
[17:32:31]: C:\BuildAgent\work\f3548ee02a6397b9>"C:\Program Files\IIS\Microsoft  Web Deploy"\msdeploy.exe -verb:sync -source:Package=Package\WebApp.zip  -dest:auto -setParam:"IIS Web Application Name"=MyWebName
[17:32:32]: Info: Updating setAcl (MyWebName).
[17:32:32]: Info: Updating setAcl (MyWebName).
[17:32:32]: Info: Updating setAcl  (MyWebName/App_Data).
[17:32:32]: Total changes: 3 (0 added, 0 deleted,  3 updated, 0 parameters changed, 0 bytes copied)
[17:32:32]: Process exited with code 0
[17:32:32]: Build finished
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Rayn,

This is impossible now, feel free to submit feature request in our issue tracker.
Please try to provide  as  much details as possible.

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What TeamCity does is starting MSBuild.exe to build the solution. There is no way to check if a task has failed or not.
You may write your own msbuild script wrapping your .sln file to check the outcome of the msdeploy.

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