another fix

.github/workflows/publish.yml

@@ -6,6 +6,7 @@ on:
 
 env:
   REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
   build-and-push-image:
@@ -29,7 +30,7 @@ jobs:
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         run: |
-          echo "tag=${{ env.REGISTRY }}/tofutf:$(head -1 tofutf | cut -d: -f2)" >> "$GITHUB_OUTPUT"
+          echo "tag=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/tofutf:$(head -1 tofutf | cut -d: -f2)" >> "$GITHUB_OUTPUT"
       - name: Build and push Docker image
         id: push
         uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
@@ -43,6 +44,6 @@ jobs:
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.REGISTRY }}/tofutf
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/tofutf
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true