diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f19a4e927f..81551d5f18 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -9,6 +9,12 @@ pr:
   branches:
     include:
       - master
+variables:
+  BUILD_REPOSITORY_NAME: $(Build.Repository.Name)
+  SYSTEM_PULLREQUEST_SOURCEBRANCH: $(System.PullRequest.SourceBranch)
+  SYSTEM_PULLREQUEST_PULLREQUESTID: $(System.PullRequest.PullRequestId)
+  BUILD_SOURCEVERSION: $(Build.SourceVersion)
+  BUILD_SOURCEBRANCHNAME: $(Build.SourceBranchName)
 jobs:
 - job: Linux_Build
   strategy: