msbuild

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param(
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  [Parameter(Mandatory=$true)][string] $Operation,
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  [string] $AuthToken,
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  [string] $CommitSha,
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  [string] $RepoName,
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  [switch] $IsFeedPrivate
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)
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$ErrorActionPreference = 'Stop'
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Set-StrictMode -Version 2.0
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. $PSScriptRoot\tools.ps1
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# Sets VSS_NUGET_EXTERNAL_FEED_ENDPOINTS based on the "darc-int-*" feeds defined in NuGet.config. This is needed
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# in build agents by CredProvider to authenticate the restore requests to internal feeds as specified in
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# https://github.com/microsoft/artifacts-credprovider/blob/0f53327cd12fd893d8627d7b08a2171bf5852a41/README.md#environment-variables. This should ONLY be called from identified
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# internal builds
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function SetupCredProvider {
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  param(
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    [string] $AuthToken
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  )    
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  # Install the Cred Provider NuGet plugin
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  Write-Host 'Setting up Cred Provider NuGet plugin in the agent...'
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  Write-Host "Getting 'installcredprovider.ps1' from 'https://github.com/microsoft/artifacts-credprovider'..."
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  $url = 'https://raw.githubusercontent.com/microsoft/artifacts-credprovider/master/helpers/installcredprovider.ps1'
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  Write-Host "Writing the contents of 'installcredprovider.ps1' locally..."
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  Invoke-WebRequest $url -OutFile installcredprovider.ps1
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  Write-Host 'Installing plugin...'
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  .\installcredprovider.ps1 -Force
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  Write-Host "Deleting local copy of 'installcredprovider.ps1'..."
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  Remove-Item .\installcredprovider.ps1
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  if (-Not("$env:USERPROFILE\.nuget\plugins\netcore")) {
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    Write-PipelineTelemetryError -Category 'Arcade' -Message 'CredProvider plugin was not installed correctly!'
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    ExitWithExitCode 1  
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  } 
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  else {
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    Write-Host 'CredProvider plugin was installed correctly!'
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  }
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  # Then, we set the 'VSS_NUGET_EXTERNAL_FEED_ENDPOINTS' environment variable to restore from the stable 
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  # feeds successfully
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  $nugetConfigPath = Join-Path $RepoRoot "NuGet.config"
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  if (-Not (Test-Path -Path $nugetConfigPath)) {
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    Write-PipelineTelemetryError -Category 'Build' -Message 'NuGet.config file not found in repo root!'
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    ExitWithExitCode 1
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  }
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  $endpoints = New-Object System.Collections.ArrayList
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  $nugetConfigPackageSources = Select-Xml -Path $nugetConfigPath -XPath "//packageSources/add[contains(@key, 'darc-int-')]/@value" | foreach{$_.Node.Value}
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  if (($nugetConfigPackageSources | Measure-Object).Count -gt 0 ) {
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    foreach ($stableRestoreResource in $nugetConfigPackageSources) {
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      $trimmedResource = ([string]$stableRestoreResource).Trim()
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      [void]$endpoints.Add(@{endpoint="$trimmedResource"; password="$AuthToken"}) 
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    }
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  }
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  if (($endpoints | Measure-Object).Count -gt 0) {
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      $endpointCredentials = @{endpointCredentials=$endpoints} | ConvertTo-Json -Compress
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     # Create the environment variables the AzDo way
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      Write-LoggingCommand -Area 'task' -Event 'setvariable' -Data $endpointCredentials -Properties @{
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        'variable' = 'VSS_NUGET_EXTERNAL_FEED_ENDPOINTS'
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        'issecret' = 'false'
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      } 
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      # We don't want sessions cached since we will be updating the endpoints quite frequently
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      Write-LoggingCommand -Area 'task' -Event 'setvariable' -Data 'False' -Properties @{
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        'variable' = 'NUGET_CREDENTIALPROVIDER_SESSIONTOKENCACHE_ENABLED'
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        'issecret' = 'false'
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      } 
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  }
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  else
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  {
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    Write-Host 'No internal endpoints found in NuGet.config'
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  }
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}
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#Workaround for https://github.com/microsoft/msbuild/issues/4430
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function InstallDotNetSdkAndRestoreArcade {
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  $dotnetTempDir = Join-Path $RepoRoot "dotnet"
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  $dotnetSdkVersion="2.1.507" # After experimentation we know this version works when restoring the SDK (compared to 3.0.*)
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  $dotnet = "$dotnetTempDir\dotnet.exe"
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  $restoreProjPath = "$PSScriptRoot\restore.proj"
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  Write-Host "Installing dotnet SDK version $dotnetSdkVersion to restore Arcade SDK..."
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  InstallDotNetSdk "$dotnetTempDir" "$dotnetSdkVersion"
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  '<Project Sdk="Microsoft.DotNet.Arcade.Sdk"/>' | Out-File "$restoreProjPath"
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  & $dotnet restore $restoreProjPath
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  Write-Host 'Arcade SDK restored!'
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  if (Test-Path -Path $restoreProjPath) {
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    Remove-Item $restoreProjPath
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  }
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  if (Test-Path -Path $dotnetTempDir) {
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    Remove-Item $dotnetTempDir -Recurse
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  }
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}
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try {
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  Push-Location $PSScriptRoot
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  if ($Operation -like 'setup') {
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    SetupCredProvider $AuthToken
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  } 
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  elseif ($Operation -like 'install-restore') {
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    InstallDotNetSdkAndRestoreArcade
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  }
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  else {
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    Write-PipelineTelemetryError -Category 'Arcade' -Message "Unknown operation '$Operation'!"
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    ExitWithExitCode 1  
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  }
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} 
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catch {
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  Write-Host $_.ScriptStackTrace
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  Write-PipelineTelemetryError -Category 'Arcade' -Message $_
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  ExitWithExitCode 1
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} 
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finally {
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  Pop-Location
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}
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