From cf2be9c3b5b64860590efeb8a0f2539745d3c347 Mon Sep 17 00:00:00 2001
From: tomolld <tomoki2757@gmail.com>
Date: Sat, 27 Jul 2024 12:35:08 +0900
Subject: [PATCH] f

---
 .github/workflows/link-pr-to-issue.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/link-pr-to-issue.yml b/.github/workflows/link-pr-to-issue.yml
index 48d7a1d..67a377e 100644
--- a/.github/workflows/link-pr-to-issue.yml
+++ b/.github/workflows/link-pr-to-issue.yml
@@ -13,6 +13,10 @@ jobs:
         run: |
           BRANCH_NAME="${{ github.head_ref }}"
           ISSUE_NUMBER=$(echo $BRANCH_NAME | grep -oP 'issue-\K\d+')
+          if [ -z "$ISSUE_NUMBER" ]; then
+            echo "No issue number found in branch name. Workflow will exit."
+            exit 0
+          fi
           echo "issue_number=$ISSUE_NUMBER" >> $GITHUB_OUTPUT
 
       - name: Link PR to issue