Add .gitea/workflows/*.yaml

.gitea/workflows/012_pat.yaml

@@ -26,10 +26,14 @@ jobs:
 
       - name: Ensure local 'main' tracks origin/main (for Gitea runners)
         run: |
-          git fetch origin main --tags
-          # Force-create/update local main to point at remote
-          git branch -f main origin/main
-          git checkout main
+          # make sure we have everything
+          git fetch origin main --tags --prune
+          # be on main (no-op if already there)
+          git checkout main || git switch main
+          # hard update the working tree to match origin/main
+          git reset --hard origin/main
+          # ensure upstream is set (harmless if already set)
+          git branch --set-upstream-to=origin/main main
           git config user.name  "hangpersonal"
           git config user.email "hangcui1201@gmail.com"