(doc) Upgrade Offline Install Steps

OfflineInstallPreparation.ps1

@@ -33,7 +33,26 @@ param(
         }
         $true
     })]
-    [string]$LicensePath = "C:\ProgramData\chocolatey\license\chocolatey.license.xml",
+    [string]$LicensePath = $(
+        if (Test-Path $PSScriptRoot\files\chocolatey.license.xml) {
+            # Offline setup has been run, we should use that license.
+            Join-Path $PSScriptRoot "files\chocolatey.license.xml"
+        } elseif (Test-Path $env:ChocolateyInstall\license\chocolatey.license.xml) {
+            # Chocolatey is already installed, we can use that license.
+            Join-Path $env:ChocolateyInstall "license\chocolatey.license.xml"
+        } else {
+            # Prompt the user for the license.
+            $Wshell = New-Object -ComObject Wscript.Shell
+            $null = $Wshell.Popup('You will need to provide the license file location. Please select your Chocolatey License in the next file dialog.')
+            $null = [System.Reflection.Assembly]::LoadWithPartialName("System.windows.forms")
+            $OpenFileDialog = New-Object System.Windows.Forms.OpenFileDialog
+            $OpenFileDialog.initialDirectory = "$env:USERPROFILE\Downloads"
+            $OpenFileDialog.filter = 'All Files (*.*)| *.*'
+            $null = $OpenFileDialog.ShowDialog()
+
+            $OpenFileDialog.filename
+        }
+    ),
 
     [string]$WorkingDirectory = $(Join-Path $env:Temp "choco-offline")
 )

README.md

@@ -71,6 +71,14 @@ Below are the minimum requirements for setting up your C4B server via this guide
 > :warning:**DISCLAIMER**: This guide utilizes code from a GitHub repository, namely: [choco-quickstart-scripts](https://github.com/chocolatey/choco-quickstart-scripts). Though we explain what each script does in drop-down boxes, please do your due diligence to review this code and ensure it meets your Organizational requirements.
 
 > :memo:**Offline Install**: If your C4B server does not have unrestricted access to the internet, you can download the `choco-quickstart-scripts` repository to a Windows machine that is connected to the internet and run `OfflineInstallPreparation.ps1`. This will use Chocolatey to save all of the required assets into the repository folder, which can then be transferred to the target C4B server.
+> - Download [choco-quickstart-scripts by clicking here](https://github.com/chocolatey/choco-quickstart-scripts/archive/refs/heads/main.zip).
+> - Unzip it, e.g.: `Expand-Archive -Path ~\Downloads\choco-quickstart-scripts-main.zip -DestinationPath ~\Downloads\choco-quickstart-scripts`.
+> - Run the OfflineInstallPreparation script, e.g.: `~\Downloads\choco-quickstart-scripts\choco-quickstart-scripts-main\OfflineInstallPreparation.ps1`.
+> - Run the following to zip up your offline bundle: `Compress-Archive -Path ~\Downloads\choco-quickstart-scripts\choco-quickstart-scripts-main\* -DestinationPath ~\Downloads\C4B-Files.zip`.
+> - Transfer the `C4B-Files.zip` from your downloads folder to your offline system. All further steps will be carried out on the offline system.
+> - Run `Expand-Archive -Path \path\to\C4B-Files.zip -DestinationPath C:\choco-setup\files -Force` on your offline system.
+> - Run `Set-Location "$env:SystemDrive\choco-setup\files"; Set-ExecutionPolicy Bypass Process; .\Start-C4bSetup.ps1` on your offline system.
+> - Proceed to Step 2!
 
 ### Step 1: Begin C4B Setup