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