From 1908d50ba4052cea0be92a0fee272ca256c38c22 Mon Sep 17 00:00:00 2001
From: Tommy Nguyen <tonguye@microsoft.com>
Date: Wed, 15 Apr 2020 11:43:23 -0700
Subject: [PATCH] Fix CIRCLE_PR_NUMBER may not always be set (#28640)

Summary:
This fixes build failures where `CIRCLE_PR_NUMBER` is not set. This can happen if the PR did not come from a fork.

## Changelog

[Internal] [Fixed] - Fix CIRCLE_PR_NUMBER may not always be set
Pull Request resolved: https://github.com/facebook/react-native/pull/28640

Test Plan: Report bundle size step should pass on both this PR and https://github.com/facebook/react-native/issues/28641.

Reviewed By: cpojer

Differential Revision: D21045553

Pulled By: TheSavior

fbshipit-source-id: fdfcb1bb88a96345b78ca69c49623df71d4cd608
---
 scripts/circleci/report-bundle-size.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/circleci/report-bundle-size.sh b/scripts/circleci/report-bundle-size.sh
index 4f8c49535f7..c8fa6107938 100755
--- a/scripts/circleci/report-bundle-size.sh
+++ b/scripts/circleci/report-bundle-size.sh
@@ -8,7 +8,7 @@ case $1 in
   "android" | "ios")
     GITHUB_OWNER=${CIRCLE_PROJECT_USERNAME:-facebook} \
     GITHUB_REPO=${CIRCLE_PROJECT_REPONAME:-react-native} \
-    GITHUB_PR_NUMBER="$CIRCLE_PR_NUMBER" \
+    GITHUB_PR_NUMBER="${CIRCLE_PR_NUMBER:-${CIRCLE_PULL_REQUEST##*/}}" \
     GITHUB_REF=${CIRCLE_BRANCH} \
     GITHUB_SHA=${CIRCLE_SHA1} \
     node bots/report-bundle-size.js "$1"