Rollbar.targets for Azure - pull Rollbar settings from Azure environment variables

Rollbar.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Target Name="NotifyRollbarOfDeploy" AfterTargets="MSDeployPublish;CopyAllFilesToSingleFolderForPackage">
    <Exec Command="git log -1 --format=%%H" ConsoleToMSBuild="true" EchoOff="true">
      <Output TaskParameter="ConsoleOutput" PropertyName="GitSHA" />
    </Exec>
    <Exec Command="git config user.email" ConsoleToMSBuild="true" EchoOff="true" WorkingDirectory="$(ProjectDir)\..">
      <Output TaskParameter="ConsoleOutput" PropertyName="GitEmail" />
    </Exec>
 
    <Message Text="Rollbar.AccessToken: $(APPSETTING_RollbarAccessToken)" Importance="Normal" />
    <Message Text="Rollbar.Environment: $(APPSETTING_RollbarEnvironment)" Importance="Normal" />
    <Message Text="Git SHA: $(GitSHA)" Importance="Normal" />
    <Message Text="Rollbar: $(GitEmail) deployed @(RollbarEnvironment) revision $(GitSHA)" Importance="High" />
    <Exec Command="@powershell -NoProfile -ExecutionPolicy unrestricted -Command &quot;(new-object net.webclient).UploadString('https://api.rollbar.com/api/1/deploy/', 'access_token=$(APPSETTING_RollbarAccessToken)&amp;environment=$(APPSETTING_RollbarEnvironment)&amp;revision=$(GitSHA)&amp;local_username=$(GitEmail)')&quot;" EchoOff="true" />
  </Target>
</Project>