packages\MicroBuild.Core.Sentinel.1.0.0\sentinel.txt MicroBuild.Core.Sentinel\1.0.0\sentinel.txt $([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildProjectDirectory), $(MicroBuildSentinelFile))) $(MicroBuildPluginDirectory)\packages $(NUGET_PACKAGES) $(USERPROFILE)\.nuget\packages $(MicroBuildOverridePluginDirectory)