Add a function for retrieving nix options

scripts/Windows/OS/Install.ps1

@@ -1,9 +1,9 @@
 #!/bin/pwsh
 . "$PSScriptRoot/../../../scripts/Windows/Scripts/Prerequisites.ps1";
 . "$PSScriptRoot/../Scripts/Choco.ps1";
+. "$PSScriptRoot/../Scripts/Config.ps1";
 . "$PSScriptRoot/../Scripts/Hooks.ps1";
 . "$PSScriptRoot/../Scripts/PowerManagement.ps1";
-. "$PSScriptRoot/../Scripts/SetupConfig.ps1";
 . "$PSScriptRoot/../Scripts/Update.ps1";
 . "$PSScriptRoot/../Scripts/Context.ps1";
 . "$PSScriptRoot/../Software/Firefox/Install.ps1";
@@ -35,6 +35,8 @@ function Start-InstallationLoop {
                     Import-Module $env:ChocolateyInstall/helpers/chocolateyProfile.psm1;
                     refreshenv;
                 };
+
+                continue;
             }
 
             if (-not (Test-ChocoSoftware "powershell-core")) {
@@ -53,8 +55,16 @@ function Start-InstallationLoop {
             if (Test-Path $env:PWSH_PATH) {
                 attrib "-R" "$env:PWSH_PATH\*" /S /D;
                 Remove-Item -Recurse -Force $env:PWSH_PATH;
+                continue;
+            }
+
+            if (-not (& { wsl --status; $?; })) {
+                wsl --install --no-launch;
+                Restart-Intermediate;
+                return;
             } else {
-                Set-Stage ([SetupStage]::Install);
+                ubuntu install --root;
+                wsl -- sh `<`(curl -L https://nixos.org/nix/install`) --daemon --yes;
             }
         } else {
             $null = Import-Module PSWindowsUpdate;

scripts/Windows/OS/Setup.ps1

@@ -8,6 +8,7 @@ function Start-Setup {
     $null = $env:WIN_COMPUTER_NAME;
     $null = $env:SETUP_SCRIPT_NAME;
     $null = $env:CONFIG_MODULE;
+    $env:WSLENV = "CONFIG_MODULE/p";
 
     $valhallaConfig = ConvertFrom-Json (Get-Content "$env:CONFIG_MODULE.json");
 

scripts/Windows/Scripts/Config.ps1

@@ -13,6 +13,28 @@ $null = New-Module {
     [string] $finishedOption = "Finished";
     [RegistryKey] $key = $null;
 
+    <#
+        .SYNOPSIS
+        Converts the specified path to linux and escapes it for the use in a script.
+
+        .PARAMETER Path
+        The path to convert.
+    #>
+    function ConvertTo-LinuxPath {
+        param(
+            [string] $Path
+        )
+
+        $job = Start-Job {
+            $env:Value = Resolve-Path $Using:Path;
+            $env:WSLENV = "Value/p";
+            $result = wsl -- bash -c 'echo "$Value"';
+            wsl -e printf "%q" "$result";
+        };
+
+        Receive-Job -Wait $job;
+    }
+
     <#
         .SYNOPSIS
         Gets the registry key containing options related to the setup.
@@ -38,6 +60,27 @@ $null = New-Module {
         return $key;
     }
 
+    <#
+        .SYNOPSIS
+        Gets a configuration option.
+
+        .PARAMETER Name
+        The name of the option to get.
+    #>
+    function Get-Config {
+        param(
+            [string] $Name
+        )
+
+        $scriptPath = "$PSScriptRoot/../../Common/Scripts/config.fish";
+
+        function fish {
+            wsl -- nix --extra-experimental-features "nix-command flakes" nixpkgs`#fish $args
+        }
+
+        fish -c ". $(ConvertTo-LinuxPath $scriptPath); getConfig $Name --json" | ConvertFrom-Json;
+    }
+
     <#
         .SYNOPSIS
         Gets the value of an option related to the setup.

scripts/Windows/Scripts/PowerManagement.ps1

@@ -1,7 +1,7 @@
 using namespace Microsoft.Win32;
-. "$PSScriptRoot/Scripting.ps1";
 
 $null = New-Module {
+    . "$PSScriptRoot/Scripting.ps1";
     [RegistryKey] $key = $null;
     $runOncePath = "HKLM:\Software\Microsoft\Windows\CurrentVersion\RunOnce";
     $runOnceName = "PortValhalla";

scripts/Windows/Scripts/Update.ps1

@@ -23,12 +23,12 @@ function Update-WindowsInstallation {
                 Write-Information "A Reboot is Required!";
                 Write-Information "Windows will reboot now and the installation will be continued automatically.";
                 return;
-            }
             } else {
-            Write-Information "Upgrading Windows finished successfully!";
+                Write-Information "Updating Windows finished successfully!";
                 return;
             }
         }
+    }
 
     Start-UpdateLoop;
 }