Improve Notes attached to App Center builds

Author: AliSoftware

fastlane/lanes/build.rb

@@ -328,13 +328,21 @@ def build_and_upload_installable_build(scheme:,output_app_name:,appcenter_app_na
     )
 
     # Upload to App Center
+    commit = ENV.fetch('BUILDKITE_COMMIT', 'Unknown')
+    pr = ENV.fetch('BUILDKITE_PULL_REQUEST', nil)
+    
     appcenter_upload(
       api_token: get_required_env('APPCENTER_API_TOKEN'),
       owner_name: APPCENTER_OWNER_NAME,
       owner_type: APPCENTER_OWNER_TYPE,
       app_name: appcenter_app_name,
       file: lane_context[SharedValues::IPA_OUTPUT_PATH],
       dsym: lane_context[SharedValues::DSYM_OUTPUT_PATH],
+      release_notes: <<~NOTES
+        - Branch: \`#{ENV.fetch('BUILDKITE_BRANCH', 'Unknown')}\`\n
+        - Commit: [#{commit[0...7]}](https://github.tumblr.net/#{GITHUB_REPO}/commit/#{commit})\n
+        - Pull Request: [\##{pr}](https://github.tumblr.net/#{GITHUB_REPO}/pull/#{pr})\n
+      NOTES
       destinations: 'Collaborators',
       notify_testers: false
     )