Determine the correct package versions by reading packages.config

Author: sharwell

build/opencover-report.ps1

@@ -20,10 +20,15 @@ If ($Debug) {
 	$Configuration = 'Release'
 }
 
+$packageConfig = [xml](Get-Content ..\.nuget\packages.config)
+$opencover_version = $packageConfig.SelectSingleNode('/packages/package[@id="OpenCover"]').version
+$reportgenerator_version = $packageConfig.SelectSingleNode('/packages/package[@id="ReportGenerator"]').version
+$xunitrunner_version = $packageConfig.SelectSingleNode('/packages/package[@id="xunit.runner.console"]').version
+
 $packages_folder = '..\packages'
-$opencover_console = "$packages_folder\OpenCover.4.6.247-rc\tools\OpenCover.Console.exe"
-$xunit_runner_console = "$packages_folder\xunit.runner.console.2.1.0\tools\xunit.console.x86.exe"
-$report_generator = "$packages_folder\ReportGenerator.2.3.5.0\tools\ReportGenerator.exe"
+$opencover_console = "$packages_folder\OpenCover.$opencover_version\tools\OpenCover.Console.exe"
+$xunit_runner_console = "$packages_folder\xunit.runner.console.$xunitrunner_version\tools\xunit.console.x86.exe"
+$report_generator = "$packages_folder\ReportGenerator.$reportgenerator_version\tools\ReportGenerator.exe"
 $report_folder = '.\OpenCover.Reports'
 $target_dll = "..\StyleCop.Analyzers\StyleCop.Analyzers.Test\bin\$Configuration\StyleCop.Analyzers.Test.dll"