Remove Dotnet.ps1 post-generation script (#4585)

images/win/scripts/ImageHelpers/PathHelpers.ps1

@@ -1,3 +1,38 @@
+function Connect-Hive {
+    param(
+        [string]$FileName = "C:\Users\Default\NTUSER.DAT",
+        [string]$SubKey = "HKLM\DEFAULT"
+    )
+
+    Write-Host "Loading the file $FileName to the Key $SubKey"
+    if (Test-Path $SubKey.Replace("\",":")) {
+        return
+    }
+
+    $result = reg load $SubKey $FileName *>&1
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "Failed to load hive: $result"
+        exit 1
+    }
+}
+
+function Disconnect-Hive {
+    param(
+        [string]$SubKey = "HKLM\DEFAULT"
+    )
+
+    Write-Host "Unloading the hive $SubKey"
+    if (-not (Test-Path $SubKey.Replace("\",":"))) {
+        return
+    }
+
+    $result = reg unload $SubKey *>&1
+    if ($LASTEXITCODE -ne 0) {
+        Write-Host "Failed to unload hive: $result"
+        exit 1
+    }
+}
+
 function Get-SystemVariable {
     param(
         [string]$SystemVariable
@@ -6,6 +41,19 @@ function Get-SystemVariable {
     [System.Environment]::GetEnvironmentVariable($SystemVariable, "Machine")
 }
 
+function Get-DefaultVariable {
+    param(
+        [string]$DefaultVariable,
+        [string]$Name = "DEFAULT\Environment",
+        [bool]$Writable = $false
+    )
+
+    $key = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey($Name, $Writable)
+    $key.GetValue($DefaultVariable, "", "DoNotExpandEnvironmentNames")
+    $key.Handle.Close()
+    [System.GC]::Collect()
+}
+
 function Set-SystemVariable {
     param(
         [string]$SystemVariable,
@@ -16,10 +64,30 @@ function Set-SystemVariable {
     Get-SystemVariable $SystemVariable
 }
 
+function Set-DefaultVariable {
+    param(
+        [string]$DefaultVariable,
+        [string]$Value,
+        [string]$Name = "DEFAULT\Environment",
+        [string]$Kind = "ExpandString",
+        [bool]$Writable = $true
+    )
+
+    $key = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey($Name, $Writable)
+    $key.SetValue($DefaultVariable, $Value, $Kind)
+    Get-DefaultVariable $DefaultVariable
+    $key.Handle.Close()
+    [System.GC]::Collect()
+}
+
 function Get-MachinePath {
     Get-SystemVariable PATH
 }
 
+function Get-DefaultPath {
+    Get-DefaultVariable Path
+}
+
 function Set-MachinePath {
     param(
         [string]$NewPath
@@ -28,6 +96,14 @@ function Set-MachinePath {
     Set-SystemVariable PATH $NewPath
 }
 
+function Set-DefaultPath {
+    param(
+        [string]$NewPath
+    )
+
+    Set-DefaultVariable PATH $NewPath
+}
+
 function Test-MachinePath {
     param(
         [string]$PathItem
@@ -46,3 +122,15 @@ function Add-MachinePathItem {
     $newPath = $PathItem + ';' + $currentPath
     Set-MachinePath -NewPath $newPath
 }
+
+function Add-DefaultPathItem {
+    param(
+        [string]$PathItem
+    )
+
+    Connect-Hive
+    $currentPath = Get-DefaultPath
+    $newPath = $PathItem + ';' + $currentPath
+    Set-DefaultPath -NewPath $newPath
+    Disconnect-Hive
+}