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vNext TFS 2015 QueryBuildDefinition function in powershell not finding my build definition

Trying to call the following within a PowerShell script which is called from a new vNext Build step:

$buildDef = $buildServer.QueryBuildDefinitions($project)

Would have thought that this would return all the build definitions in my project. It only returns my XAML definitions, not my new vNext Build Definitions.
Do I need to use a different function to do this?

Want to get the list of my changesets in the last build since the last good build.

Previously I would have done something like the following: 

$workspace = $buildDef.Workspace.Mappings[0].ServerItem

and then passed this $workspace into the QueryHistory function.

Solution

  • The XAML build system (and basically everything else in the "old" TFS object model) uses a SOAP API. The SOAP API is slowly being replaced with a REST API, at least for newer things.

    Thus, the task-based build system does not have a SOAP API. It has a REST API. You can access it from C# code either by querying the REST API directly or by using the Team Foundation Server Client NuGet package.