small fixes

.forgejo/workflows/build-image.yml

@@ -119,9 +119,11 @@ jobs:
             | to_entries[]
             | select(.key != "root")
             | "* \(.key): \(.value.locked.url // ("github:\(.value.locked.owner)/\(.value.locked.repo)")) @ \(.value.locked.rev)"
-          ' <<< "$(cat metadata.json)" | sed ':a;N;$!ba;s/\n/\\n/g')
+          ' <<< "$(nix flake metadata --json)")
 
-          echo "metadata=$META" >> "$GITHUB_OUTPUT"
+          echo "metadata<<EOF" >> "$GITHUB_OUTPUT"
+          echo "$META" >> "$GITHUB_OUTPUT"
+          echo "EOF" >> "$GITHUB_OUTPUT"
 
       - name: Upload Release Artifact
         id: release-artifact
@@ -136,7 +138,7 @@ jobs:
         uses: forgejo/upload-artifact@v4
         if: ${{ steps.build_image.outputs.image_path_from_build }}
         with:
-          name: build-artifact
+          name: image-artifact
           path: ${{ steps.build_image.outputs.image_path_from_build }}
 
   release:
@@ -179,7 +181,8 @@ jobs:
 
             **🔗 Build Results:**
             [View Build Logs](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_number }})
-            [Download Build Artifact](${{ needs.build.outputs.image-url }})
+            [Download Image](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_number }}/artifact/image-artifact)
+            [Download Image (action generated url)](${{ needs.build.outputs.image-url }})
 
             **🔐 Flake Revision:**
             `${{ github.sha }}`