test this

.github/workflows/mirror.yml

@@ -15,19 +15,20 @@ jobs:
         uses: actions/checkout@v4
         
       - name: clone remote
-        shell: pwsh
+        shell: bash
         run: |
           git config --global user.email 3695888@qq.com
           git config --global user.name shenjack-action
           git remote add gitea http://shenjack.top:5100/ARS/ars-tools.git
           git fetch gitea
-          $branches = git branch -r | Select-String -Pattern 'gitea'
-          foreach ($branch in $branches) {
-            $branchName = $branch -replace 'gitea/', ''
-            $branchName = $branchName.Trim()
-            if (!(git branch | Select-String -Pattern $branchName)) {
-              git branch --track $branchName $branch.Trim()
-            }
-          }
+          for branch in $(git branch -r | grep 'gitea'); do
+            branchName=${branch#*/}
+            if ! git branch | grep -q $branchName; then
+              git branch --track $branchName $branch
+            fi
+          done
+      
+      - name: push to github
+        run: |
           git pull --all
           git push origin --all --force