Initial commit

WindowsPowershell/Modules/VSProject/VSProject.ps1

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+
+[Reflection.Assembly]::LoadWithPartialName("Microsoft.Build.Engine") | Out-Null
+[Reflection.Assembly]::LoadWithPartialName("System.Xml.Linq") | Out-Null
+
+# TODO: Make this work in the pipeline and also with the command-line
+function Get-ProjectTransitive($fileName)
+{
+    $fullName = resolve-path $fileName;
+    $engine = New-Object Microsoft.Build.BuildEngine.Engine;
+    $project = New-Object Microsoft.Build.BuildEngine.Project($engine);
+    $project.Load($fullName) | Out-Null;
+
+    Write-Output $project;
+    
+    $refs = $project.GetEvaluatedItemsByName("ProjectReference");
+    $refs | foreach { Get-ProjectTransitive($_.FinalItemSpec) } 
+}
+
+function Set-ProjectToolsVersion($file, $ver)
+{
+    # Not using the built-in XML support because I'm a snob.
+    $fullName = resolve-path $file;
+    $doc = [System.Xml.Linq.XElement]::Load($fullName, [System.Xml.Linq.LoadOptions]::PreserveWhitespace);
+
+    $currentVer = $doc.Attribute("ToolsVersion").Value;
+    if ($currentVer -ne $ver)
+    {
+        $doc.Attribute("ToolsVersion").Value = $ver;
+        $doc.Save($fullName);
+    }
+}