Pull LFS from forks as well.

.gitea/workflows/checkrefs.yml

@@ -6,6 +6,8 @@ on:
 jobs:
   checkrefs:
     runs-on: ubuntu-latest
+    env:
+      GIT_LFS_SKIP_SMUDGE: "1"
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -16,8 +18,14 @@ jobs:
         run: >
           git config --local
           http.${{ gitea.server_url }}/${{ gitea.repository }}.git/info/lfs/objects/.extraheader ''
+      - name: Add remote fork origin for LFS
+        run: >
+          git remote add ${{ gitea.actor }} \
+            git@gitea.wildfiregames.com:${{ gitea.actor }}/${{ gitea.head_ref }}.git
       - name: Download necessary LFS assets
-        run: git lfs pull -I binaries/data/mods/public/maps
+        run: >
+          git lfs pull -I binaries/data/mods/public/maps &&
+          git lfs pull ${{ gitea.actor }} -I binaries/data/mods/public/maps
       - name: Check for missing references
         run: |
           ./source/tools/entity/checkrefs.py \