From 385d98db7380f7134605508111d1548e8ff65dc1 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 8 Dec 2022 12:34:38 -0700
Subject: [PATCH] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 01b4145855b..b6c5e9a5f08 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -13,7 +13,7 @@ if [[ "$GITHUB_REF" == "refs/tags/"* ]]; then
   EXTRA_ARGS=""
 fi
 
-if [[ "$GITHUB_HEAD_REPO_FORK" == "true" ]]; then
+if [[ "$GITHUB_EVENT_HEAD_REPO_FORK" == "true" ]]; then
   MERGE_BASE_EXRTRA_ARGS="--fork-point"
 fi