From c916fcb77954f99018e315dc3eac4e6d7a73658f Mon Sep 17 00:00:00 2001
From: Wenxuan Zhao <viz@linux.com>
Date: Fri, 17 Feb 2023 15:31:37 +0800
Subject: [PATCH] =?UTF-8?q?[=E7=BB=95=E8=BF=87=E6=A3=80=E6=9F=A5]=20?=
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---
 .github/workflows/lctt-article-checker.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/lctt-article-checker.yml b/.github/workflows/lctt-article-checker.yml
index 32d4354454..63b456aa9e 100644
--- a/.github/workflows/lctt-article-checker.yml
+++ b/.github/workflows/lctt-article-checker.yml
@@ -12,6 +12,8 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
+      - name: ensure source branch is not "master"
+        run: '[ "${{ github.head_ref }}" != master ]'
       - name: "checkout master branch & return to pull request branch"
         run: CURRENT=$(echo ${{github.ref}} |  sed "s|refs/|refs/remotes/|") && git checkout master && git checkout $CURRENT
       - name: run check