Use the new commands

scripts/Windows/OS/Install.ps1

@@ -8,6 +8,7 @@
 . "$PSScriptRoot/../Scripts/Context.ps1";
 . "$PSScriptRoot/../Scripts/Hooks.ps1";
 . "$PSScriptRoot/../Scripts/PowerManagement.ps1";
+. "$PSScriptRoot/../Scripts/SoftwareManagement.ps1";
 . "$PSScriptRoot/../Scripts/Update.ps1";
 . "$PSScriptRoot/../Software/Firefox/Install.ps1";
 
@@ -28,7 +29,7 @@ function Start-InstallationLoop {
         if ($null -eq (Get-Stage)) {
             Set-Stage ([SetupStage]::Initialize);
         } elseif ((Get-Stage) -eq ([SetupStage]::Initialize)) {
-            if (-not ((Get-Command "choco") -and (Get-Command "refreshenv"))) {
+            if (-not ((Test-Command "choco") -and (Test-Command "refreshenv"))) {
                 Invoke-Hook "Install-Chocolatey" -Fallback {
                     # Install chocolatey
                     [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;
@@ -40,7 +41,7 @@ function Start-InstallationLoop {
                 continue;
             }
 
-            if (-not (Test-ChocoSoftware "powershell-core")) {
+            if (-not (Test-ChocoPackage "powershell-core")) {
                 Invoke-Hook "Install-PowerShellCore" -Fallback {
                     choco install -y powershell-core --install-arguments='"ADD_FILE_CONTEXT_MENU_RUNPOWERSHELL=1 ADD_EXPLORER_CONTEXT_MENU_OPENPOWERSHELL=1 REGISTER_MANIFEST=1 USER_MU=1 ENABLE_MU=1"';
                 };

scripts/Windows/Scripts/Choco.ps1

@@ -1,15 +0,0 @@
-<#
-    .SYNOPSIS
-    Checks whether the specified package has been installed using Chocolatey.
-
-    .PARAMETER Name
-    The name of the package to check.
-#>
-function Test-ChocoSoftware {
-    [OutputType([bool])]
-    param(
-        [string] $Name
-    );
-
-    -not [string]::IsNullOrEmpty((choco list --limit-output --exact $name));
-}