CI: cache LFS content

.forgejo/workflows/deploy.yml

@@ -9,11 +9,24 @@ jobs:
     env:
       HUGO_CACHEDIR: /tmp/hugo_cache
     steps:
-      - name: Checkout
+      # LFS caching courtesy of https://github.com/actions/checkout/issues/165#issuecomment-657673315
+      - name: Checkout without LFS
         uses: actions/checkout@v4
         with:
           submodules: recursive
-          lfs: 'true'
+          lfs: 'false'
+      - name: Create LFS file list
+        run: git lfs ls-files -l | cut -d' ' -f1 | sort > .lfs-assets-id
+      - name: Restore LFS cache
+        uses: actions/cache@v4
+        with:
+          path: .git/lfs
+          key: ${{ runner.os }}-lfs-${{ hashFiles('.lfs-assets-id') }}-v1
+          restore-keys: ${{ runner.os }}-lfs-
+      - name: Git LFS Pull
+        run: git lfs pull
+
+      # Hugo caching
       - name: Get current date (for cache eviction)
         id: get-date
         run: echo "year-month-day=$(date --utc +'%Y%m%d')" >> $GITHUB_OUTPUT
@@ -21,9 +34,9 @@ jobs:
         uses: actions/cache@v4
         with:
           # Caches are immutable, create a new cache every day so it's always somewhat fresh.
-          key: ${{ runner.os }}-${{ steps.get-date.outputs.year-month-day }}
+          key: ${{ runner.os }}-hugo-${{ steps.get-date.outputs.year-month-day }}
           # If no cache has been created yet today, restore a previous one.
-          restore-keys: ${{ runner.os }}-
+          restore-keys: ${{ runner.os }}-hugo-
           path: |
             resources/_gen/
             ${{ env.HUGO_CACHEDIR }}