ci: fix divergent branches by reset --hard origin/main

.gitea/workflows/build.yml

@@ -19,8 +19,12 @@ jobs:
           WORK=/root/.cache/demo-go-api
           mkdir -p $WORK
           cd $WORK
-          [ -d .git ] || git clone http://joe:${GITEA_TOKEN}@192.168.1.212:3000/joe/demo-go-api.git .
-          git pull
+          if [ -d .git ]; then
+            git reset --hard origin/main
+            git clean -fd
+          else
+            git clone http://joe:${GITEA_TOKEN}@192.168.1.212:3000/joe/demo-go-api.git .
+          fi
 
       - name: Login to Harbor
         run: docker login 192.168.1.212:1180 -u admin -p "$HARBOR_PASSWORD"