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|
[CmdletBinding()]
param(
[string]$Dependency
)
if ($PSVersionTable.PSEdition -ne "Core") {
Import-Module BitsTransfer -Verbose:$false
}
Write-Verbose "Fetching dependency: $Dependency"
$scriptsDir = split-path -parent $MyInvocation.MyCommand.Definition
$vcpkgRootDir = & $scriptsDir\findFileRecursivelyUp.ps1 $scriptsDir .vcpkg-root
$downloadsDir = "$vcpkgRootDir\downloads"
function SelectProgram([Parameter(Mandatory=$true)][string]$Dependency)
{
function performDownload( [Parameter(Mandatory=$true)][string]$Dependency,
[Parameter(Mandatory=$true)][string]$url,
[Parameter(Mandatory=$true)][string]$downloadDir,
[Parameter(Mandatory=$true)][string]$downloadPath,
[Parameter(Mandatory=$true)][string]$downloadVersion,
[Parameter(Mandatory=$true)][string]$requiredVersion)
{
if (Test-Path $downloadPath)
{
return
}
# Can't print because vcpkg captures the output and expects only the path that is returned at the end of this script file
# Write-Host "A suitable version of $Dependency was not found (required v$requiredVersion). Downloading portable $Dependency v$downloadVersion..."
if (!(Test-Path $downloadDir))
{
New-Item -ItemType directory -Path $downloadDir | Out-Null
}
if (($PSVersionTable.PSEdition -ne "Core") -and ($Dependency -ne "git")) # git fails with BITS
{
try {
$WC = New-Object System.Net.WebClient
$ProxyAuth = !$WC.Proxy.IsBypassed($url)
If($ProxyAuth){
$ProxyCred = Get-Credential -Message "Enter credentials for Proxy Authentication"
$PSDefaultParameterValues.Add("Start-BitsTransfer:ProxyAuthentication","Basic")
$PSDefaultParameterValues.Add("Start-BitsTransfer:ProxyCredential",$ProxyCred)
}
Start-BitsTransfer -Source $url -Destination $downloadPath -ErrorAction Stop
}
catch [System.Exception] {
# If BITS fails for any reason, delete any potentially partially downloaded files and continue
if (Test-Path $downloadPath)
{
Remove-Item $downloadPath
}
}
}
if (!(Test-Path $downloadPath))
{
Write-Verbose("Downloading $Dependency...")
(New-Object System.Net.WebClient).DownloadFile($url, $downloadPath)
}
}
# Enums (without resorting to C#) are only available on powershell 5+.
$ExtractionType_NO_EXTRACTION_REQUIRED = 0
$ExtractionType_ZIP = 1
$ExtractionType_SELF_EXTRACTING_7Z = 2
# Using this to wait for the execution to finish
function Invoke-Command()
{
param ( [string]$program = $(throw "Please specify a program" ),
[string]$argumentString = "",
[switch]$waitForExit )
$psi = new-object "Diagnostics.ProcessStartInfo"
$psi.FileName = $program
$psi.Arguments = $argumentString
$proc = [Diagnostics.Process]::Start($psi)
if ( $waitForExit )
{
$proc.WaitForExit();
}
}
function Expand-ZIPFile($file, $destination)
{
if (!(Test-Path $destination))
{
New-Item -ItemType Directory -Path $destination | Out-Null
}
$shell = new-object -com shell.application
$zip = $shell.NameSpace($file)
foreach($item in $zip.items())
{
# Piping to Out-Null is used to block until finished
$shell.Namespace($destination).copyhere($item) | Out-Null
}
}
if($Dependency -eq "cmake")
{
$requiredVersion = "3.9.1"
$downloadVersion = "3.9.1"
$url = "https://cmake.org/files/v3.9/cmake-3.9.1-win32-x86.zip"
$downloadPath = "$downloadsDir\cmake-3.9.1-win32-x86.zip"
$expectedDownloadedFileHash = "e0d9501bd34e3100e925dcb2e07f5f0ce8980bdbe5fce0ae950b21368d54c1a1"
$executableFromDownload = "$downloadsDir\cmake-3.9.1-win32-x86\bin\cmake.exe"
$extractionType = $ExtractionType_ZIP
$extractionFolder = $downloadsDir
}
elseif($Dependency -eq "nuget")
{
$requiredVersion = "4.1.0"
$downloadVersion = "4.1.0"
$url = "https://dist.nuget.org/win-x86-commandline/v4.1.0/nuget.exe"
$downloadPath = "$downloadsDir\nuget-4.1.0\nuget.exe"
$expectedDownloadedFileHash = "4c1de9b026e0c4ab087302ff75240885742c0faa62bd2554f913bbe1f6cb63a0"
$executableFromDownload = $downloadPath
$extractionType = $ExtractionType_NO_EXTRACTION_REQUIRED
}
elseif($Dependency -eq "git")
{
$requiredVersion = "2.14.1"
$downloadVersion = "2.14.1"
$url = "https://github.com/git-for-windows/git/releases/download/v2.14.1.windows.1/MinGit-2.14.1-32-bit.zip" # We choose the 32-bit version
$downloadPath = "$downloadsDir\MinGit-2.14.1-32-bit.zip"
$expectedDownloadedFileHash = "77b468e0ead1e7da4cb3a1cf35dabab5210bf10457b4142f5e9430318217cdef"
# There is another copy of git.exe in MinGit\bin. However, an installed version of git add the cmd dir to the PATH.
# Therefore, choosing the cmd dir here as well.
$executableFromDownload = "$downloadsDir\MinGit-2.14.1-32-bit\cmd\git.exe"
$extractionType = $ExtractionType_ZIP
$extractionFolder = "$downloadsDir\MinGit-2.14.1-32-bit"
}
else
{
throw "Unknown program requested"
}
$downloadSubdir = Split-path $downloadPath -Parent
if (!(Test-Path $downloadSubdir))
{
New-Item -ItemType Directory -Path $downloadSubdir | Out-Null
}
performDownload $Dependency $url $downloadsDir $downloadPath $downloadVersion $requiredVersion
#calculating the hash
if ($PSVersionTable.PSEdition -ne "Core")
{
$hashAlgorithm = [Security.Cryptography.HashAlgorithm]::Create("SHA256")
$fileAsByteArray = [io.File]::ReadAllBytes($downloadPath)
$hashByteArray = $hashAlgorithm.ComputeHash($fileAsByteArray)
$downloadedFileHash = -Join ($hashByteArray | ForEach-Object {"{0:x2}" -f $_})
}
else
{
$downloadedFileHash = (Get-FileHash -Path $downloadPath -Algorithm SHA256).Hash
}
if ($expectedDownloadedFileHash -ne $downloadedFileHash)
{
throw [System.IO.FileNotFoundException] ("Mismatching hash of the downloaded " + $Dependency)
}
if ($extractionType -eq $ExtractionType_NO_EXTRACTION_REQUIRED)
{
# do nothing
}
elseif($extractionType -eq $ExtractionType_ZIP)
{
if (-not (Test-Path $executableFromDownload)) # consider renaming the extraction folder to make sure the extraction finished
{
# Expand-Archive $downloadPath -dest "$extractionFolder" -Force # Requires powershell 5+
Expand-ZIPFile -File $downloadPath -Destination $extractionFolder
}
}
elseif($extractionType -eq $ExtractionType_SELF_EXTRACTING_7Z)
{
if (-not (Test-Path $executableFromDownload))
{
Invoke-Command $downloadPath "-y" -waitForExit:$true
}
}
else
{
throw "Invalid extraction type"
}
if (-not (Test-Path $executableFromDownload))
{
throw [System.IO.FileNotFoundException] ("Could not detect or download " + $Dependency)
}
return $executableFromDownload
}
SelectProgram $Dependency
Write-Verbose "Fetching dependency: $Dependency. Done."
|
