72 lines
2.5 KiB
PowerShell
72 lines
2.5 KiB
PowerShell
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<#
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.SYNOPSIS
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Retrieves the latest commit SHA and the corresponding package Id for the specified branch of CLI.
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This retrieval is achieved by downloading the latest.version file, which contains the commit SHA and package Id info.
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If retrieval succeeds, then the commit is set as a VSTS Task Variable named CliLatestCommitSha, and similarly package Id is set as CliLatestPackageId.
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.PARAMETER $Branch
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Name of the CLI branch.
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.PARAMETER $Filename
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Name of the file that contains latest version info i.e. commit SHA and package Id.
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If not specified, then the default value is latest.version
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.PARAMETER $UrlPrefix
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URL prefix for $Filename.
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If not specified, then the default value is https://dotnetcli.blob.core.windows.net/dotnet/Sdk
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#>
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param(
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[Parameter(Mandatory=$true)]
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[string]$Branch,
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[string]$Filename="latest.version",
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[string]$UrlPrefix="https://dotnetcli.blob.core.windows.net/dotnet/Sdk"
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)
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function Get-VersionInfo
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{
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Write-Host "Attempting to retrieve latest version info from $latestVersionUrl"
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$retries = 3
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$retryCount = 1
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$oldEap = $ErrorActionPreference
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while ($retryCount -le $retries)
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{
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$ErrorActionPreference = "Stop"
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try
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{
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$content = (Invoke-WebRequest -Uri "$latestVersionUrl" -UseBasicParsing).Content
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return $content.Split([Environment]::NewLine, [System.StringSplitOptions]::RemoveEmptyEntries)
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}
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catch
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{
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Sleep -Seconds (Get-Random -minimum 3 -maximum 10)
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Write-Host "Exception occurred while attempting to get latest version info from $latestVersionUrl. $_"
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Write-Host "Retry $retryCount of $retries"
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}
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finally
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{
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$ErrorActionPreference = $oldEap
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}
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$retryCount++
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}
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}
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$latestVersionUrl = "$UrlPrefix/$Branch/$Filename"
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$latestVersionContent = Get-VersionInfo
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if ($latestVersionContent -ne $null -and $latestVersionContent.Length -eq 2)
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{
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$CliLatestCommitSha = $latestVersionContent[0]
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$CliLatestPackageId = $latestVersionContent[1]
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Write-Host "##vso[task.setvariable variable=CliLatestCommitSha;]$CliLatestCommitSha"
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Write-Host "##vso[task.setvariable variable=CliLatestPackageId;]$CliLatestPackageId"
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Write-Host "The latest commit SHA in CLI $Branch is $CliLatestCommitSha"
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Write-Host "The latest package Id in CLI $Branch is $CliLatestPackageId"
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}
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else
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{
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Write-Error "Unable to get latest version info from $latestVersionUrl"
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}
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