param(

[string]$DownloadDirectory = '.dependencies',

[switch]$Mingw

)

$ErrorActionPreference = 'Stop'

$ProgressPreference = 'SilentlyContinue'

$GitVersion = '2.54.0.windows.1'

$MesonVersion = '1.11.0'

$RustVersion = '1.96.0'

New-Item -Path $DownloadDirectory -ItemType Directory -Force | Out-Null

New-Item -Path .git/info -ItemType Directory -Force | Out-Null

if (-not (Test-Path .git/info/exclude)) {

New-Item -Path .git/info/exclude -ItemType File | Out-Null

}

Add-Content -Path .git/info/exclude -Value "/$DownloadDirectory"

function Get-Installer {

param(

[Parameter(Mandatory = $true)][string]$Name,

[Parameter(Mandatory = $true)][string]$Url

)

$path = Join-Path $DownloadDirectory $Name

if (-not (Test-Path $path)) {

Write-Host "Downloading $Url"

Invoke-WebRequest $Url -OutFile $path -TimeoutSec 300

}

return $path

}

function Invoke-Installer {

param(

[Parameter(Mandatory = $true)][string]$FilePath,

[Parameter(Mandatory = $true)][string[]]$ArgumentList

)

Write-Host "Running $FilePath $($ArgumentList -join ' ')"

$process = Start-Process -Wait -PassThru -FilePath $FilePath -ArgumentList $ArgumentList

if ($process.ExitCode -ne 0) {

throw "$FilePath failed with exit code $($process.ExitCode)"

}

}

$rustTarget = if ($Mingw) { 'gnu' } else { 'msvc' }

$rustMsi = Get-Installer "rust-$rustTarget.msi" (

"https://static.rust-lang.org/dist/" +

"rust-$RustVersion-x86_64-pc-windows-$rustTarget.msi")

Invoke-Installer msiexec.exe @('/i', $rustMsi, 'INSTALLDIR=C:\Rust',

"ADDLOCAL=Rustc,Cargo,Std$(if ($Mingw) { ',Gcc' })", '/quiet', '/norestart')

if ($Mingw) {

return

}

$gitAssetVersion = $GitVersion -replace '\.windows\.\d+$', ''

$gitInstaller = Get-Installer "Git-Installer.exe" `

"https://github.com/git-for-windows/git/releases/download/v$GitVersion/PortableGit-$gitAssetVersion-64-bit.7z.exe"

Invoke-Installer $gitInstaller @('-y', '-o"C:\Program Files\Git"')

$mesonMsi = Get-Installer "meson.msi" `

"https://github.com/mesonbuild/meson/releases/download/$MesonVersion/meson-$MesonVersion-64.msi"

Invoke-Installer msiexec.exe @('/i', $mesonMsi, 'INSTALLDIR=C:\Meson', '/quiet', '/norestart')

# Disable Git Credential Manager, which is auto-configured by PortableGit.

# GitLab's runner picks up this Git in its cleanup stage and runs `git

# credential reject`, which hangs in GCM and makes the job time out.

& "C:\Program Files\Git\bin\git.exe" config unset --all --system credential.helper

if ($LASTEXITCODE -ne 0 -and $LASTEXITCODE -ne 5) {

throw "Failed to unset credential.helper with exit code $LASTEXITCODE"

}