name: Compile LaTeX

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  build:
    runs-on: docker
    container: texlive/texlive

    steps:
      - name: Checkout repository
        run: |
          git clone "$(echo "$GITHUB_SERVER_URL" | sed -E "s#(https?://)#\1${FORGEJO_TOKEN}@#")/${GITHUB_REPOSITORY}.git" .

      - name: Compile LaTeX document
        run: |
          TMP="$RUNNER_TEMP/output"
          cd Aufgabe
          latexmk -pdf -interaction=nonstopmode -output-directory="$TMP" main.tex
          mv "$TMP/main.pdf" Aufgabe.pdf

      - name: Commit PDF back to repo
        run: |
          git config --global user.name "Forgejo Runner"
          git config --global user.email "runner@localhost"
          git add .
          git commit -m "Automated PDF build"
          git push origin "$GITHUB_REF_NAME"