Update .gitea/workflows/main.yml

.gitea/workflows/main.yml

@@ -1,6 +1,12 @@
 name: Build Mau & Deploy Mau
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'mauster'
+  pull_request:
+    types:
+      - opened
 
 concurrency:
   group: mau
@@ -36,6 +42,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     needs: build
+    if: gitea.ref == 'refs/heads/mauster'
     steps:
       - name: Checkout
         uses: actions/checkout@v3