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44 lines
2.1 KiB
PowerShell
44 lines
2.1 KiB
PowerShell
################################################################################
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## File: Install-PowershellCore.ps1
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## Desc: Install PowerShell Core
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## Supply chain security: checksum validation
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################################################################################
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$ErrorActionPreference = "Stop"
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$tempDir = Join-Path ([System.IO.Path]::GetTempPath()) ([System.IO.Path]::GetRandomFileName())
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New-Item -ItemType Directory -Path $tempDir -Force -ErrorAction SilentlyContinue | Out-Null
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try {
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$originalValue = [Net.ServicePointManager]::SecurityProtocol
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[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
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$metadata = Invoke-RestMethod https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/metadata.json
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$pwshMajorMinor = (Get-ToolsetContent).pwsh.version
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$releases = $metadata.LTSReleaseTag -replace '^v'
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foreach ($release in $releases) {
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if ($release -like "${pwshMajorMinor}*") {
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$downloadUrl = "https://github.com/PowerShell/PowerShell/releases/download/v${release}/PowerShell-${release}-win-x64.msi"
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break
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}
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}
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$installerName = Split-Path $downloadUrl -Leaf
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$externalHash = Get-ChecksumFromUrl -Type "SHA256" `
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-Url ($downloadUrl -replace $installerName, "hashes.sha256") `
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-FileName $installerName
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Install-Binary -Url $downloadUrl -ExpectedSHA256Sum $externalHash
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} finally {
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# Restore original value
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[Net.ServicePointManager]::SecurityProtocol = $originalValue
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Remove-Item -Path $tempDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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# about_update_notifications
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# While the update check happens during the first session in a given 24-hour period, for performance reasons,
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# the notification will only be shown on the start of subsequent sessions.
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# Also for performance reasons, the check will not start until at least 3 seconds after the session begins.
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[Environment]::SetEnvironmentVariable("POWERSHELL_UPDATECHECK", "Off", "Machine")
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Invoke-PesterTests -TestFile "Tools" -TestName "PowerShell Core"
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