retainBuild.yml

parameters:
  - name: numberOfDaysRetainment
    type: string
    default: 365
    displayName: 'Number of days to retain the build'
  - name: condition
    type: string
    default: 'false'
    displayName: 'Condition for retaining the build for the provided duration'


steps:
  - powershell: |
      Write-Host "variables['Build.SourceBranch']: ${{ variables['Build.SourceBranch'] }}"
      Write-Host "${{ parameters.condition }}"
    displayName: 'Display condition'

  - task: PowerShell@2
    condition: eq(${{ parameters.condition }}, 'true')
    displayName: 'Retain Build'
    inputs:
      failOnStderr: true
      targetType: 'inline'
      script: |
        $contentType = "application/json";
        $headers = @{ Authorization = 'Bearer $(System.AccessToken)' };
        $rawRequest = @{ daysValid = ${{ parameters.numberOfDaysRetainment }}; definitionId = $(System.DefinitionId); ownerId = 'User:$(Build.RequestedForId)'; protectPipeline = $false; runId = $(Build.BuildId) };
        $request = ConvertTo-Json @($rawRequest);
        $uri = "$(System.CollectionUri)$(System.TeamProject)/_apis/build/retention/leases?api-version=6.0-preview.1";
        Invoke-RestMethod -uri $uri -method POST -Headers $headers -ContentType $contentType -Body $request;