Added PowerShell script for downloading and combining ISO from Windows

.github/workflows/CI.yml

@@ -112,6 +112,9 @@ jobs:
           sudo sed -i 's/GITHUBRELEASE/v${{ env.isotag }}/g' ${{ github.workspace }}/.github/workflows/iso.sh
           sudo cp ${{ github.workspace }}/.github/workflows/iso.sh ${{ github.workspace }}/output/iso.sh
 
+          sudo sed -i 's/GITHUBRELEASE/v${{ env.isotag }}/g' ${{ github.workspace }}/.github/workflows/iso.ps1
+          sudo cp ${{ github.workspace }}/.github/workflows/iso.ps1 ${{ github.workspace }}/output/iso.ps1
+
       - name: Release
         if: github.ref == 'refs/heads/LTS'
         uses: softprops/action-gh-release@v2

.github/workflows/iso.ps1

@@ -0,0 +1,138 @@
+$latest = "GITHUBRELEASE"
+$latestkver = $latest.Replace("v","")
+$latestkver = $latestkver.Substring(0, $latestkver.IndexOf("-"))
+
+try
+{
+    $downloads = (New-Object -ComObject Shell.Application).NameSpace('shell:Downloads').Self.Path
+} 
+catch 
+{
+    Write-Output "Error: Unable to locate Downloads folder. Using current directory."
+    $downloads = $PWD.Path
+}
+
+$flavinput = Read-Host -Prompt @"
+Choose the flavour of Ubuntu you wish to install:
+
+1. Ubuntu
+2. Kubuntu
+3. Ubuntu Unity
+
+Type your choice (1, 2 etc.) from the above list and press return.
+"@
+
+switch ($flavinput) 
+{
+    1 
+    { 
+        $flavour="ubuntu" 
+    }
+
+    2 
+    { 
+        $flavour="kubuntu" 
+    }
+
+    3 
+    { 
+        $flavour="ubuntu-unity" 
+    }
+
+    Default 
+    {
+        Write-Output "Invalid input. Aborting!"
+        pause
+        exit
+    }
+} 
+
+$verinput = Read-Host -Prompt @"
+Choose the version of Ubuntu you wish to install:
+
+1. 24.04 LTS - Noble Numbat
+2. 25.10 - Questing Quokka
+
+Type your choice (1 or 2) from the above list and press return.
+"@
+
+switch ($verinput) 
+{
+    1 
+    { 
+        $iso="$flavour-24.04-$latestkver-t2-noble"
+        $ver="24.04 LTS - Noble Numbat" 
+    }
+
+    2 
+    { 
+        $iso="$flavour-25.10-$latestkver-t2-questing"
+		$ver="25.10 - Questing Quokka" 
+    }
+
+    Default 
+    {
+        Write-Output "Invalid input. Aborting!"
+        pause
+        exit
+    }
+} 
+
+try 
+{
+    Write-Output "Downloading Part 1 for $flavour $ver"
+    Invoke-WebRequest -Uri "https://github.com/t2linux/T2-Ubuntu/releases/download/$latest/$iso.iso.00" -UseBasicParsing -OutFile "$downloads\0$iso.iso"
+
+    Write-Output "Downloading Part 2 for $flavour $ver"
+    Invoke-WebRequest -Uri "https://github.com/t2linux/T2-Ubuntu/releases/download/$latest/$iso.iso.01" -UseBasicParsing -OutFile "$downloads\1$iso.iso"
+
+    Write-Output "Downloading Part 3 for $flavour $ver"
+    Invoke-WebRequest -Uri "https://github.com/t2linux/T2-Ubuntu/releases/download/$latest/$iso.iso.02" -UseBasicParsing -OutFile "$downloads\2$iso.iso"
+
+    $shortver = $ver.Substring(0, $ver.IndexOf(" "))
+    $actual_iso_chksum = Invoke-RestMethod -Uri "https://github.com/t2linux/T2-Ubuntu/releases/download/$latest/sha256-$flavour-$shortver"
+}
+catch 
+{
+    Write-Output "Error: Downloading"
+    pause
+    exit
+}
+
+try 
+{
+    Write-Output "combining parts"
+    Get-Content "$downloads\0$iso.iso","$downloads\1$iso.iso","$downloads\2$iso.iso" -Encoding Byte -Read 512 | Set-Content "$downloads\$iso.iso" -Encoding Byte
+
+    Write-Output "cleaning up"
+    Remove-Item -Path "$downloads\0$iso.iso"
+    Remove-Item -Path "$downloads\1$iso.iso"
+    Remove-Item -Path "$downloads\2$iso.iso"
+
+    Write-Output "Verifying sha256 checksums"
+
+    $actual_iso_chksum = $actual_iso_chksum.Substring(0, $actual_iso_chksum.IndexOf(" "))
+
+    Write-Output $actual_iso_chksum
+
+    $downloaded_iso_chksum = (Get-FileHash -Algorithm SHA256 -Path "$downloads\$iso.iso").Hash
+
+    Write-Output $downloaded_iso_chksum
+
+    if ($actual_iso_chksum -ne $downloaded_iso_chksum)
+    {
+        Write-Output "Error: Failed to verify sha256 checksums of the ISO"
+        pause
+        exit
+    }
+
+    Write-Output "ISO saved successfully"
+}
+catch 
+{
+    Write-Output "Error: Writing files"
+}
+finally
+{
+    pause
+}