qt-everywhere-src-5.15.1/coin/provisioning/common/windows/install-mingw.ps1

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. "$PSScriptRoot\helpers.ps1"

function InstallMinGW
{
    Param (
        [string] $release = $(BadParam("release file name")),
        [string] $sha1    = $(BadParam("SHA1 checksum of the file")),
        [string] $suffix  = ""
    )

    $arch, $version, $null, $threading, $ex_handling, $build_ver, $revision = $release.split('-')

    if ($arch -eq "i686") { $win_arch = "Win32" }
    elseif ($arch -eq "x86_64") { $win_arch = "Win64" }

    $envvar = "MINGW$version$suffix"
    $envvar = $envvar -replace '["."]'
    $targetdir = "C:\$envvar"
    $url_cache = "\\ci-files01-hki.intra.qt.io\provisioning\windows\" + $release + ".7z"
    $url_official = "https://netcologne.dl.sourceforge.net/project/mingw-w64/Toolchains%20targetting%20" + $win_arch + "/Personal%20Builds/mingw-builds/" + $version + "/threads-" + $threading + "/" + $ex_handling + "/" + $arch + "-" + $version + "-release-" + $threading + "-" + $ex_handling + "-" + $build_ver + "-" + $revision + ".7z"

    $mingwPackage = "C:\Windows\Temp\MinGW-$version.zip"
    Download $url_official $url_cache $mingwPackage
    Verify-Checksum $mingwPackage $sha1

    Extract-7Zip $mingwPackage $TARGETDIR

    Set-EnvironmentVariable "$envvar" ("$targetdir\mingw" + $win_arch.Substring($win_arch.get_Length()-2))

    Write-Host "Cleaning $mingwPackage.."
    Remove-Item -Recurse -Force -Path "$mingwPackage"

    Write-Output "MinGW = $version $release" >> ~\versions.txt

}