Allow running further installer actions within an installer

scripts/Windows/Scripts/Software.ps1

@@ -25,33 +25,38 @@ $null = New-Module {
             $Name = "unknown software";
         }
 
-        function Invoke-SoftwareInstaller {
+        $installHandler = {
             param(
                 [InstallerAction] $Action,
                 [hashtable] $Arguments
             )
 
+            $argumentList = {
+                installer = $installHandler;
+                arguments = $Arguments;
+            };
+
             if ($action -eq ([InstallerAction]::Install)) {
                 Write-Host "Installing $Name…";
-                & $Installer @Arguments;
+                & $Installer @argumentList;
             } elseif ($Action -eq ([InstallerAction]::Configure)) {
                 Write-Host "Configuring $Name…";
-                & $Configurator @Arguments;
+                & $Configurator @argumentList;
 
                 foreach ($user in Get-Users) {
                     $Arguments.Add($userArgument, $user);
-                    Invoke-SoftwareInstaller -Action ([InstallerAction]::ConfigureUser) -Arguments $Arguments;
+                    & $installHandler -Action ([InstallerAction]::ConfigureUser) -Arguments $Arguments;
                 }
             } elseif ($Action -eq ([InstallerAction]::ConfigureUser)) {
                 if ((-not $Arguments.ContainsKey($userArgument)) -or ($null -eq $Arguments[$userArgument])) {
-                    $Arguments.Add($userArgument, ($env:UserName));
+                    $argumentList.Add($userArgument, ($env:UserName));
                 }
 
                 Write-Host "Configuring $Name for user ``$($Arguments[$userArgument])``…";
-                & $UserConfigurator @Arguments;
-            }
+                & $UserConfigurator @argumentList;
             }
+        };
 
-        Invoke-SoftwareInstaller -Action $Action -Arguments $Arguments;
+        & $installHandler -Action $Action -Arguments $Arguments;
     }
 }

scripts/Windows/Software/Windows/Manage.ps1

@@ -12,6 +12,13 @@ param(
 . "$PSScriptRoot/../../Types/InstallerAction.ps1";
 
 Start-SoftwareInstaller @PSBoundParameters `
+    -Installer {
+        param(
+            [scriptblock] $Installer
+        )
+
+        & $Installer -Action ([InstallerAction]::Configure)
+    } `
     -Configurator {
         $dir = New-TemporaryDirectory;
         Push-Location $dir;