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function Verify-Checksum
{
Param (
[string]$File=$(throw("You must specify a filename to get the checksum of.")),
[string]$Expected=$(throw("Checksum required")),
[ValidateSet("sha1","md5")][string]$Algorithm="sha1"
)
$fs = new-object System.IO.FileStream $File, "Open"
$algo = [type]"System.Security.Cryptography.$Algorithm"
$crypto = $algo::Create()
$hash = [BitConverter]::ToString($crypto.ComputeHash($fs)).Replace("-", "")
$fs.Close()
if ($hash -ne $Expected) {
Write-Error "Checksum verification failed, got: '$hash' expected: '$Expected'"
}
}
function Extract-7Zip
{
Param (
[string]$Source,
[string]$Destination
)
echo "Extracting '$Source' to '$Destination'..."
if ((Get-Command "7z.exe" -ErrorAction SilentlyContinue) -eq $null) {
$zipExe = join-path (${env:ProgramFiles(x86)}, ${env:ProgramFiles} -ne $null)[0] '7-zip\7z.exe'
if (-not (test-path $zipExe)) {
$zipExe = join-path ${env:ProgramW6432} '7-zip\7z.exe'
if (-not (test-path $zipExe)) {
$zipExe = "C:\Utils\sevenzip\7z.exe"
if (-not (test-path $zipExe)) {
throw "Could not find 7-zip."
}
}
}
} else {
$zipExe = "7z.exe"
}
& $zipExe x $Source "-o$Destination" -y
}
function Extract-Zip
{
Param (
[string]$Source,
[string]$Destination
)
echo "Extracting '$Source' to '$Destination'..."
New-Item -ItemType Directory -Force -Path $Destination
$shell = new-object -com shell.application
$zipfile = $shell.Namespace($Source)
$destinationFolder = $shell.Namespace($Destination)
$destinationFolder.CopyHere($zipfile.Items(), 16)
}
function Extract-Dev-Folders-From-Zip
{
Param (
[string]$package,
[string]$zipDir,
[string]$installPath
)
$shell = new-object -com shell.application
echo "Extracting contents of $package"
foreach ($subDir in "lib", "include", "bin", "share") {
$zip = $shell.Namespace($package + "\" + $zipDir + "\" + $subDir)
if ($zip) {
Write-Host "Extracting $subDir from zip archive"
} else {
Write-Host "$subDir is missing from zip archive - skipping"
continue
}
$destDir = $installPath + "\" + $subdir
New-Item $destDir -type directory
$destinationFolder = $shell.Namespace($destDir)
$destinationFolder.CopyHere($zip.Items(), 16)
}
}
function BadParam
{
Param ([string]$Description)
throw("You must specify $Description")
}
function Download
{
Param (
[string] $OfficialUrl = $(BadParam("the official download URL")),
[string] $CachedUrl = $(BadParam("the locally cached URL")),
[string] $Destination = $(BadParam("a download target location"))
)
$ProgressPreference = 'SilentlyContinue'
try {
if ($CachedUrl.StartsWith("http")) {
Invoke-WebRequest -UseBasicParsing $CachedUrl -OutFile $Destination
} else {
Copy-Item $CachedUrl $Destination
}
} catch {
Invoke-WebRequest -UseBasicParsing $OfficialUrl -OutFile $Destination
}
}
function Add-Path
{
Param (
[string]$Path
)
echo "Adding $Path to Path"
$oldPath = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
[Environment]::SetEnvironmentVariable("Path", $oldPath + ";$Path", [EnvironmentVariableTarget]::Machine)
}
function is64bitWinHost
{
if(($env:PROCESSOR_ARCHITECTURE -eq "AMD64") -or ($env:PROCESSOR_ARCHITEW6432 -eq "AMD64")) {
return 1
}
else {
return 0
}
}
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