try again

.gitea/workflows/container.yaml

@@ -6,11 +6,16 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
+      - name: Split branch name
+        env:
+          REPO: ${{ gitea.repository }}
+        id: split
+        run: echo "::set-output name=repo_name::${REPO##*/}"
       - name: Build image
         id: build-image
         uses: redhat-actions/buildah-build@v2
         with:
-          image: ${{ secrets.DOCKERHUB_USER }}/${{ gitea.repository }}
+          image: ${{ secrets.DOCKERHUB_USER }}/${{ steps.split.outputs.repo_name }}
           tags: ${{ gitea.ref_name }} ${{ gitea.sha }}
           archs: arm64, amd64
           containerfiles: |