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scripts/fetchDependency.ps1: Retain previous code for hashing to support Win7

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This commit is contained in:
Alexander Karatarakis 2017-05-23 11:53:20 -07:00
parent 932f0f0657
commit 5ba2f0d81c
1 changed files with 13 additions and 3 deletions
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16
scripts/fetchDependency.ps1
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@ -10,7 +10,7 @@ $downloadPromptOverride_DO_NOT_PROMPT = 1
$downloadPromptOverride_ALWAYS_PROMPT = 2
if ($PSVersionTable.PSEdition -eq "Desktop") {
Import-Module BitsTransfer -Verbose:$false
Import-Module BitsTransfer -Verbose:$false
}
Write-Verbose "Fetching dependency: $Dependency"
@ -197,8 +197,18 @@ function SelectProgram([Parameter(Mandatory=$true)][string]$Dependency)
performDownload $Dependency $url $downloadsDir $downloadPath $downloadVersion $requiredVersion
#calculating the hash
$downloadedFileHash = (Get-FileHash -Path $downloadPath -Algorithm SHA256).Hash
if ($PSVersionTable.PSEdition -eq "Desktop")
{
$hashAlgorithm = [Security.Cryptography.HashAlgorithm]::Create("SHA256")
$fileAsByteArray = [io.File]::ReadAllBytes($downloadPath)
$hashByteArray = $hashAlgorithm.ComputeHash($fileAsByteArray)
$downloadedFileHash = -Join ($hashByteArray | ForEach {"{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)