Add scripts for installing PowerShell

scripts/Common/Software/PowerShell/Manage.ps1

@@ -0,0 +1,60 @@
+param (
+    $Action,
+    [hashtable] $Arguments
+)
+
+. "$PSScriptRoot/../../../Windows/Scripts/Software.ps1";
+. "$PSScriptRoot/../../../Windows/Scripts/Scripting.ps1";
+. "$PSScriptRoot/../../../Windows/Types/InstallerAction.ps1";
+
+Start-SoftwareInstaller @PSBoundParameters `
+    -Installer {
+        param(
+            [scriptblock] $Installer
+        )
+
+        & $Installer -Action ([InstallerAction]::Configure);
+    } `
+    -Configurator {
+        param(
+            [hashtable] $Arguments
+        )
+
+        [string] $globalDir = $null;
+        $indicator = "# Profile Files";
+
+        if ($Arguments.Linux) {
+            $globalDir = '"/etc/powershell/conf.d"';
+        } else {
+            $globalDir = '"$env:ProgramData/PowerShell/conf.d"';
+        }
+
+        [System.Collections.ArrayList] $files = @($PROFILE);
+
+        if (Test-Command powershell) {
+            $null = $files.Add((powershell -c '$PROFILE'));
+        }
+
+        foreach ($file in $files) {
+            if (-not ((Test-Path -PathType Leaf $file) -and ((Get-Content $file) -contains $indicator))) {
+                Write-PSScript -FileName $file -Script (@(
+                    $indicator,
+                    "`$globalDir = $globalDir",
+                    ({
+                        $profileRoot = Split-Path -Parent $PROFILE;
+        
+                        $profilePaths = @(
+                            "$profileRoot/conf.d/*.ps1",
+                            "$globalDir/*.ps1"
+                        )
+        
+                        foreach ($profilePath in $profilePaths) {
+                            if (Test-Path $profilePath) {
+                                Get-Item $profilePath | ForEach-Object { . $_; };
+                            }
+                        }
+                    }).ToString()) -join "`n") `
+                -Append;
+            }
+        }
+    };

scripts/Windows/OS/Install.ps1

@@ -63,6 +63,7 @@ $null = New-Module {
     
                 Invoke-Hook "Install-PSModules" -Fallback {
                     Install-Module -AcceptLicense -Force PSWindowsUpdate;
+                    Install-Module -AcceptLicense -Force PSScriptAnalyzer;
                 };
     
                 if (-not (Test-Winget)) {
@@ -181,6 +182,7 @@ $null = New-Module {
                         if (Test-Collection "essential") {
                             # Essentials
                             . "$softwarePath/OpenSSH/Manage.ps1" @arguments;
+                            . "$softwarePath/PowerShell/Manage.ps1";
                         }
     
                         if (Test-Collection "common") {

scripts/Windows/Scripts/Scripting.ps1

@@ -14,3 +14,49 @@ function ConvertTo-Injection {
         [System.Convert]::ToBase64String([System.Text.Encoding]::Default.GetBytes($value))
     )')))"
 }
+
+<#
+    .SYNOPSIS
+    Writes a PowerShell script to a specified location.
+
+    .PARAMETER FileName
+    The name of the file to write the script to.
+
+    .PARAMETER Script
+    The script to write to the file.
+
+    .PARAMETER Replace
+    A value indicating whether the file should be overwritten if it exists.
+
+    .PARAMETER Append
+    A value indicating whether the content should be appended if the file already exists.
+#>
+function Write-PSScript {
+    param(
+        [string] $FileName,
+        [string] $Script,
+        [Parameter(ParameterSetName="Replace")]
+        [switch] $Replace,
+        [Parameter(ParameterSetName="Append")]
+        [switch] $Append
+    )
+
+    Import-Module PSScriptAnalyzer;
+    $dirName = Split-Path -Parent $FileName;
+    $content = Invoke-Formatter -ScriptDefinition $Script;
+    $exists = Test-Path -PathType Leaf $FileName;
+
+    if (-not (Test-Path -PathType Container $dirName)) {
+        $null = New-Item -ItemType Directory $dirName;
+    }
+
+    if ($exists -and ($Append.IsPresent)) {
+        Add-Content -Force $FileName "`n$content";
+    } else {
+        if ((-not $exists) -or $Replace.IsPresent) {
+            Set-Content -Force $FileName $content;
+        } else {
+            Write-Host "The file ``$FileName`` already exists!";
+        }
+    }
+}

scripts/Windows/Software/PowerShell/Manage.ps1

@@ -0,0 +1,21 @@
+param (
+    $Action,
+    [hashtable] $Arguments
+)
+
+. "$PSScriptRoot/../../Scripts/Software.ps1";
+. "$PSScriptRoot/../../Types/InstallerAction.ps1";
+
+Start-SoftwareInstaller @PSBoundParameters `
+    -Installer {
+        param(
+            [scriptblock] $Installer
+        )
+
+        & $Installer -Action ([InstallerAction]::Configure);
+    } `
+    -Configurator {
+        . "$PSScriptRoot/../../../Common/Software/PowerShell/Manage.ps1" `
+            -Action ([InstallerAction]::Configure) `
+            -Arguments @{ Linux = $false };
+    };