ci: re-clone in commit-back step

.gitea/workflows/build.yml

@@ -44,7 +44,12 @@ jobs:
 
       - name: Update image tag in values.yaml (commit-back GitOps)
         run: |
-          cd /root/.cache/demo-go-api
+          set -e
+          WORK=/root/.cache/demo-go-api
+          rm -rf "$WORK"
+          mkdir -p "$WORK"
+          cd "$WORK"
+          git clone https://joe:${GITEA_TOKEN}@git.cjjhc.top/joe/demo-go-api.git .
           SHORT=${GITHUB_SHA::8}
           sed -i "s/^  tag:.*/  tag: \"${SHORT}\"/" deploy/helm/values.yaml
           git config user.email "ci@local"
@@ -55,3 +60,4 @@ jobs:
           echo "✓ Pushed tag ${SHORT}"
         env:
           GITHUB_SHA: ${{ github.sha }}
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}