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158 pfowler 1
param($installPath, $toolsPath, $package, $project)
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# open json.net splash page on package install
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# don't open if json.net is installed as a dependency
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try
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{
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  $url = "http://james.newtonking.com/json/install?version=" + $package.Version
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  $dte2 = Get-Interface $dte ([EnvDTE80.DTE2])
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  if ($dte2.ActiveWindow.Caption -eq "Package Manager Console")
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  {
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    # user is installing from VS NuGet console
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    # get reference to the window, the console host and the input history
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    # show webpage if "install-package newtonsoft.json" was last input
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    $consoleWindow = $(Get-VSComponentModel).GetService([NuGetConsole.IPowerConsoleWindow])
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    $props = $consoleWindow.GetType().GetProperties([System.Reflection.BindingFlags]::Instance -bor `
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      [System.Reflection.BindingFlags]::NonPublic)
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    $prop = $props | ? { $_.Name -eq "ActiveHostInfo" } | select -first 1
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    if ($prop -eq $null) { return }
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    $hostInfo = $prop.GetValue($consoleWindow)
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    if ($hostInfo -eq $null) { return }
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    $history = $hostInfo.WpfConsole.InputHistory.History
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    $lastCommand = $history | select -last 1
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    if ($lastCommand)
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    {
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      $lastCommand = $lastCommand.Trim().ToLower()
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      if ($lastCommand.StartsWith("install-package") -and $lastCommand.Contains("newtonsoft.json"))
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      {
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        $dte2.ItemOperations.Navigate($url) | Out-Null
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      }
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    }
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  }
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  else
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  {
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    # user is installing from VS NuGet dialog
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    # get reference to the window, then smart output console provider
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    # show webpage if messages in buffered console contains "installing...newtonsoft.json" in last operation
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    $instanceField = [NuGet.Dialog.PackageManagerWindow].GetField("CurrentInstance", [System.Reflection.BindingFlags]::Static -bor `
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      [System.Reflection.BindingFlags]::NonPublic)
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    $consoleField = [NuGet.Dialog.PackageManagerWindow].GetField("_smartOutputConsoleProvider", [System.Reflection.BindingFlags]::Instance -bor `
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      [System.Reflection.BindingFlags]::NonPublic)
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    if ($instanceField -eq $null -or $consoleField -eq $null) { return }
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    $instance = $instanceField.GetValue($null)
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    if ($instance -eq $null) { return }
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    $consoleProvider = $consoleField.GetValue($instance)
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    if ($consoleProvider -eq $null) { return }
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    $console = $consoleProvider.CreateOutputConsole($false)
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    $messagesField = $console.GetType().GetField("_messages", [System.Reflection.BindingFlags]::Instance -bor `
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      [System.Reflection.BindingFlags]::NonPublic)
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    if ($messagesField -eq $null) { return }
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    $messages = $messagesField.GetValue($console)
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    if ($messages -eq $null) { return }
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    $operations = $messages -split "=============================="
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    $lastOperation = $operations | select -last 1
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    if ($lastOperation)
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    {
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      $lastOperation = $lastOperation.ToLower()
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      $lines = $lastOperation -split "`r`n"
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      $installMatch = $lines | ? { $_.StartsWith("------- installing...newtonsoft.json ") } | select -first 1
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      if ($installMatch)
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      {
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        $dte2.ItemOperations.Navigate($url) | Out-Null
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      }
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    }
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  }
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}
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catch
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{
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  try
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  {
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    $pmPane = $dte2.ToolWindows.OutputWindow.OutputWindowPanes.Item("Package Manager")
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    $selection = $pmPane.TextDocument.Selection
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    $selection.StartOfDocument($false)
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    $selection.EndOfDocument($true)
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    if ($selection.Text.StartsWith("Installing 'Newtonsoft.Json "))
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    {
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      $dte2.ItemOperations.Navigate($url) | Out-Null
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    }
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  }
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  catch
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  {
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    # stop potential errors from bubbling up
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    # worst case the splash page won't open  
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  }
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}
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# still yolo