| 1 | #Requires -RunAsAdministrator |
| 2 | |
| 3 | # This script downloads and installs the latest version of the WSL MSI package |
| 4 | |
| 5 | # Get current language code |
| 6 | $chcp_num = (chcp) -replace '[^\d]+(\d+).*','$1' |
| 7 | |
| 8 | # Set language to english |
| 9 | chcp 437 |
| 10 | |
| 11 | $ErrorActionPreference = "Stop" |
| 12 | Set-StrictMode -Version Latest |
| 13 | |
| 14 | $release = Invoke-WebRequest 'https://api.github.com/repos/microsoft/WSL/releases/latest' | ConvertFrom-Json |
| 15 | $systeminfo = & systeminfo | findstr /C:"System Type" |
| 16 | if ($systeminfo -like '*x64*') |
| 17 | { |
| 18 | $target = '.x64.msi' |
| 19 | } elseif ($systeminfo -like '*arm64*') |
| 20 | { |
| 21 | $target = '.arm64.msi' |
| 22 | } else |
| 23 | { |
| 24 | throw 'Failed to determine system type ($systeminfo)' |
| 25 | } |
| 26 | |
| 27 | [array]$assets = $release.assets | Where-Object { $_.name.ToLower().endswith('.x64.msi')} |
| 28 | if ($assets.count -ne 1) |
| 29 | { |
| 30 | throw 'Failed to find asset ($assets)' |
| 31 | } |
| 32 | |
| 33 | $target = "$env:tmp\$($assets.name)" |
| 34 | Write-Host "Downloading $($assets.name) to $target" |
| 35 | |
| 36 | $headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]" |
| 37 | $headers.Add('Accept','application/octet-stream') |
| 38 | |
| 39 | Invoke-WebRequest $assets.url -Out $target -Headers $headers |
| 40 | |
| 41 | $MSIArguments = @( |
| 42 | "/i" |
| 43 | $target |
| 44 | "/qn" |
| 45 | "/norestart" |
| 46 | ) |
| 47 | |
| 48 | $exitCode = (Start-Process -Wait "msiexec.exe" -ArgumentList $MSIArguments -NoNewWindow -PassThru).ExitCode |
| 49 | if ($exitCode -Ne 0) |
| 50 | { |
| 51 | throw "Failed to install package: $exitCode" |
| 52 | } |
| 53 | |
| 54 | Write-Host 'Installation complete' |
| 55 | |
| 56 | Remove-Item $target -Force |
| 57 | |
| 58 | # Restore original language |
| 59 | chcp $chcp_num |