Merge artifact test 2

Author: yogh333

.github/workflows/build_with_current_nightly.yml

@@ -56,26 +56,30 @@ jobs:
           else
             DEVICE="${{ matrix.device }}"
           fi
+          echo "DEVICE=$DEVICE" >> $GITHUB_ENV
           echo "Building for device: $DEVICE"
           cargo ledger build $DEVICE
           ELF_NAME=$(cargo metadata --manifest-path ./Cargo.toml --no-deps --format-version 1 | jq -r '.packages[] | select(.metadata.ledger != null) | .name')
           echo "ELF_NAME=$ELF_NAME" >> $GITHUB_ENV
           echo "Built ELF name is $ELF_NAME"
-          cp target/$DEVICE/release/$ELF_NAME .
       
       - name: Upload binary artifacts
         uses: actions/upload-artifact@v4
         with:
           name: "app_elf_${{ matrix.device }}"
-          path: ${{ env.ELF_NAME }} 
+          path: target/${{ env.DEVICE }}/release/${{ env.ELF_NAME }}
           if-no-files-found: error
 
   merge_artifacts:
     name: Merge build artifacts
     needs: build_with_last_nightly
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/upload-artifact/merge@v4
+      - name: Merge artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          pattern: "app_elf_*"
+
 
   #ragger_tests:
   #  name: Run ragger tests using the reusable workflow