From 5b6b908d9d7103f466128fa3f23ec2f26e74da6d Mon Sep 17 00:00:00 2001
From: Mijian Xu <gomijianxu@gmail.com>
Date: Thu, 29 Feb 2024 22:34:59 +0800
Subject: [PATCH] debug CI

---
 .github/workflows/doc_build.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/doc_build.yml b/.github/workflows/doc_build.yml
index a49faa72..991877a5 100644
--- a/.github/workflows/doc_build.yml
+++ b/.github/workflows/doc_build.yml
@@ -21,11 +21,12 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Set branch name
+        id: vars
         run: |
           if [[ "${{ github.event_name }}" == "pull_request" ]]; then
-            branch = ${{ github.event.pull_request.head.ref }}
+            echo ::set-output name=branch::${{ github.event.pull_request.head.ref }}
           else
-            branch = dev
+            echo ::set-output name=branch::${{ github.ref }}
           fi
   
       - name: Cancel Previous Runs
@@ -42,7 +43,7 @@ jobs:
       - name: Checkout to source branch
         uses: actions/checkout@v2.4.0
         with:
-          ref: $branch
+          ref: ${{ steps.vars.outputs.branch }}
 
       - name: Install Seispy
         run: |