Fix for post submit on cirrus (#28963)

* Fix for post submit on cirrus

Fix for post submit on cirrus (#28963)
* Fix for post submit on cirrus
e5b1ed7a · Dan Field · GitHub · 20e0f13c · e5b1ed7a
Unverified Commit e5b1ed7a authored Mar 06, 2019 by Dan Field Committed by GitHub Mar 06, 2019
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test.dart dev/bots/test.dart +3 -1

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--- a/dev/bots/test.dart
+++ b/dev/bots/test.dart
@@ -422,7 +422,9 @@ String _getCiProviderName() {
 int _getPrNumber() {
  switch(_getCiProvider()) {
    case CiProviders.cirrus:
-      return int.tryParse(Platform.environment['CIRRUS_PR']);
+      return Platform.environment['CIRRUS_PR'] == null
+          ? -1
+          : int.tryParse(Platform.environment['CIRRUS_PR']);
    case CiProviders.luci:
      return -1; // LUCI doesn't know about this.
  }