feat: publish FreeRTOS C FC02 card

.gitea/workflows/render-pdf.yml

@@ -0,0 +1,63 @@
+name: Render PDF
+
+on:
+  push:
+    branches:
+      - deploy
+  workflow_dispatch:
+
+jobs:
+  render-pdf:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install TeX
+        run: |
+          if ! command -v latexmk >/dev/null 2>&1; then
+            if ! command -v apt-get >/dev/null 2>&1; then
+              echo "latexmk is missing and apt-get is unavailable" >&2
+              exit 1
+            fi
+            if command -v sudo >/dev/null 2>&1; then
+              SUDO=sudo
+            else
+              SUDO=
+            fi
+            $SUDO apt-get update
+            $SUDO apt-get install -y --no-install-recommends \
+              latexmk \
+              texlive-fonts-recommended \
+              texlive-lang-polish \
+              texlive-latex-base \
+              texlive-latex-extra \
+              texlive-latex-recommended
+          fi
+
+      - name: Render PDF with commit metadata
+        run: ./scripts/render_pdf.sh
+
+      - name: Commit rendered PDF
+        run: |
+          set -eu
+          repo_name="${GITHUB_REPOSITORY#*/}"
+          pdf_file="$(find doc/pdf -maxdepth 1 -type f -name '*.pdf' -print -quit)"
+          if [ -z "$pdf_file" ]; then
+            echo "rendered PDF is missing" >&2
+            exit 1
+          fi
+          remote_sha="$(git ls-remote origin refs/heads/deploy | cut -f1)"
+          if [ "$remote_sha" != "$GITHUB_SHA" ]; then
+            echo "deploy advanced from $GITHUB_SHA to $remote_sha; skip publishing stale PDF"
+            exit 0
+          fi
+          git config user.name "gitea-actions"
+          git config user.email "gitea-actions@noreply.local"
+          printf '%s\n' "$GITHUB_SHA" > doc/pdf/source-commit.txt
+          git add -u doc/pdf
+          git add -f "$pdf_file"
+          git add doc/pdf/source-commit.txt
+          git diff --cached --quiet && exit 0
+          git commit -m "Render ${repo_name} PDF for ${GITHUB_SHA::12} [skip actions]"
+          git push origin HEAD:deploy