Run a build before coverage analysis

* Ensures the outputs are up-to-date before proceeding
* Ensures NuGet packages are restored before proceeding

Author: sharwell

build/build.ps1

@@ -47,6 +47,10 @@ If (-not (Test-Path $nuget)) {
 
 # build the main project
 $msbuild = "${env:ProgramFiles(x86)}\MSBuild\$VisualStudioVersion\Bin\MSBuild.exe"
+If (-not (Test-Path $msbuild)) {
+	$host.UI.WriteErrorLine("Couldn't find MSBuild.exe")
+	exit 1
+}
 
 # Attempt to restore packages up to 3 times, to improve resiliency to connection timeouts and access denied errors.
 $maxAttempts = 3

build/opencover-report.ps1

@@ -1,34 +1,17 @@
+# Run a build to ensure everything is up-to-date
+.\build.ps1 -Debug -Incremental
+If (-not $?) {
+	$host.UI.WriteErrorLine('Build failed; coverage analysis aborted.')
+	Exit $LASTEXITCODE
+}
+
 $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"
 $report_folder = '.\OpenCover.Reports'
 $target_dll = '..\StyleCop.Analyzers\StyleCop.Analyzers.Test\bin\Debug\StyleCop.Analyzers.Test.dll'
 
-If (-not (Test-Path $target_dll)) {
-	$host.UI.WriteErrorLine('target dll not found (build target?)')
-	$host.UI.WriteErrorLine("$target_dll")
-	Exit 1
-}
-
-If (-not (Test-Path $opencover_console)) {
-	$host.UI.WriteErrorLine('OpenCover Console not found (nuget restore?)')
-	$host.UI.WriteErrorLine("$opencover_console")
-	Exit 1
-}
-
-If (-not (Test-Path $xunit_runner_console)) {
-	$host.UI.WriteErrorLine('OpenCover Console not found (nuget restore?)')
-	$host.UI.WriteErrorLine("$xunit_runner_console")
-	Exit 1
-}
-
-If (-not (Test-Path $report_generator)) {
-	$host.UI.WriteErrorLine('Report Generator not found (nuget restore?)')
-	$host.UI.WriteErrorLine("$report_generator")
-	Exit 1
-}
-
 If (Test-Path $report_folder) {
 	Remove-Item -Recurse -Force $report_folder
 }