(GH-219)(GH-56) Allow PowerShell interaction

Allow PowerShell to use the same window as the choco process that
brings back the download progress bar and being able to do things like
read-host.

src/chocolatey.tests.integration/infrastructure/commands/CommandExecutorSpecs.cs

@@ -47,7 +47,7 @@ public override void Context()
 
             public override void Because()
             {
-                result = CommandExecutor.execute("cmd.exe", "/c bob123123", ApplicationParameters.DefaultWaitForExitInSeconds, fileSystem.get_current_directory(), null, (s, e) => { errorOutput += e.Data; }, updateProcessPath: false);
+                result = CommandExecutor.execute("cmd.exe", "/c bob123123", ApplicationParameters.DefaultWaitForExitInSeconds, fileSystem.get_current_directory(), null, (s, e) => { errorOutput += e.Data; }, updateProcessPath: false, allowUseWindow: false);
             }
 
             [Fact]

src/chocolatey/infrastructure.app/services/ChocolateyPackageService.cs

@@ -178,7 +178,7 @@ public void handle_package_result(PackageResult packageResult, ChocolateyConfigu
                     if (powerShellRan)
                     {
                         // we don't care about the exit code
-                        if (config.Information.PlatformType == PlatformType.Windows) CommandExecutor.execute("shutdown", "/a", config.CommandExecutionTimeoutSeconds, _fileSystem.get_current_directory(), (s, e) => { }, (s, e) => { }, false);
+                        if (config.Information.PlatformType == PlatformType.Windows) CommandExecutor.execute("shutdown", "/a", config.CommandExecutionTimeoutSeconds, _fileSystem.get_current_directory(), (s, e) => { }, (s, e) => { }, false, false);
                     }
 
                     var difference = _registryService.get_differences(before, _registryService.get_installer_keys());
@@ -503,7 +503,7 @@ public ConcurrentDictionary<string, PackageResult> uninstall_run(ChocolateyConfi
                     }
 
                     // we don't care about the exit code
-                    if (config.Information.PlatformType == PlatformType.Windows) CommandExecutor.execute("shutdown", "/a", config.CommandExecutionTimeoutSeconds, _fileSystem.get_current_directory(), (s, e) => { }, (s, e) => { }, false);
+                    if (config.Information.PlatformType == PlatformType.Windows) CommandExecutor.execute("shutdown", "/a", config.CommandExecutionTimeoutSeconds, _fileSystem.get_current_directory(), (s, e) => { }, (s, e) => { }, false, false);
 
                     if (packageResult.Success)
                     {

src/chocolatey/infrastructure/commands/CommandExecutor.cs

@@ -67,13 +67,14 @@ public int execute(
                            file_system.get_directory_name(Assembly.GetExecutingAssembly().CodeBase.Replace("file:///", string.Empty)),
                            stdOutAction,
                            stdErrAction,
-                           updateProcessPath
+                           updateProcessPath,
+                           allowUseWindow:false
                 );
         }
 
         public int execute(string process, string arguments, int waitForExitInSeconds, string workingDirectory)
         {
-            return execute(process, arguments, waitForExitInSeconds, workingDirectory, null, null, updateProcessPath: true);
+            return execute(process, arguments, waitForExitInSeconds, workingDirectory, null, null, updateProcessPath: true, allowUseWindow: false);
         }
 
         public static int execute(string process,
@@ -82,7 +83,8 @@ public static int execute(string process,
                                   string workingDirectory,
                                   Action<object, DataReceivedEventArgs> stdOutAction,
                                   Action<object, DataReceivedEventArgs> stdErrAction,
-                                  bool updateProcessPath
+                                  bool updateProcessPath,
+                                  bool allowUseWindow
             )
         {
             int exitCode = -1;
@@ -105,9 +107,14 @@ bool updateProcessPath
                     WorkingDirectory = workingDirectory,
                     RedirectStandardOutput = true,
                     RedirectStandardError = true,
-                    CreateNoWindow = true
+                    CreateNoWindow = !allowUseWindow,
                 };
 
+            if (allowUseWindow)
+            {
+                psi.WindowStyle = ProcessWindowStyle.Minimized;
+            }
+
             using (var p = initialize_process())
             {
                 p.StartInfo = psi;

src/chocolatey/infrastructure/commands/PowershellExecutor.cs

@@ -17,6 +17,7 @@ namespace chocolatey.infrastructure.commands
 {
     using System;
     using System.Collections.Generic;
+    using System.ComponentModel;
     using System.Diagnostics;
     using System.IO;
     using adapters;
@@ -25,6 +26,15 @@ namespace chocolatey.infrastructure.commands
 
     public sealed class PowershellExecutor
     {
+        private static bool _allowUseWindow = true;
+
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public static bool AllowUseWindow
+        {
+            get { return _allowUseWindow; }
+            set { _allowUseWindow = value; }
+        }
+
         private static readonly IList<string> _powershellLocations = new List<string>
             {
                 Environment.ExpandEnvironmentVariables("%systemroot%\\SysNative\\WindowsPowerShell\\v1.0\\powershell.exe"),
@@ -53,7 +63,8 @@ Action<object, DataReceivedEventArgs> stdErrAction
                 workingDirectory: fileSystem.get_directory_name(Assembly.GetExecutingAssembly().CodeBase.Replace("file:///", string.Empty)),
                 stdOutAction: stdOutAction,
                 stdErrAction: stdErrAction,
-                updateProcessPath: true
+                updateProcessPath: true,
+                allowUseWindow: _allowUseWindow
                 );
         }