workflow: prefer runner os

.gitea/workflows/build-pdf.yml

@@ -10,28 +10,31 @@ jobs:
   pdf:
     name: make pdf
     runs-on: ubuntu-latest
-    container:
-      image: golang:1.22-bookworm
     steps:
-      - name: Install Node 20 and Git
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends curl ca-certificates gnupg
-          install -d -m 0755 /etc/apt/keyrings
-          curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
-          echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" > /etc/apt/sources.list.d/nodesource.list
-          apt-get update
-          apt-get install -y --no-install-recommends nodejs git
-          rm -rf /var/lib/apt/lists/*
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Setup Go (from go.mod)
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          check-latest: true
+          cache: true
+
       - name: Install Chromium and tools
         run: |
-          apt-get update
-          DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-            make chromium ca-certificates fonts-liberation
-          rm -rf /var/lib/apt/lists/*
+          set -euxo pipefail
+          if command -v sudo >/dev/null 2>&1; then SUDO=sudo; else SUDO=; fi
+          $SUDO apt-get update
+          # Prefer chromium if available via apt (Debian/Ubuntu variants); fall back to chromium-browser if needed
+          if apt-cache show chromium >/dev/null 2>&1; then
+            DEBIAN_FRONTEND=noninteractive $SUDO apt-get install -y --no-install-recommends \
+              make chromium ca-certificates fonts-liberation
+          else
+            DEBIAN_FRONTEND=noninteractive $SUDO apt-get install -y --no-install-recommends \
+              make chromium-browser ca-certificates fonts-liberation || true
+          fi
+          $SUDO rm -rf /var/lib/apt/lists/*
 
       - name: Build PDF
         run: make pdf