name: Publish PDF

on: push

jobs:
  publish:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - name: Extract branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch
      - name: Setup tectonic
        run: | 
          apt -y install curl
          curl --proto '=https' --tlsv1.2 -fsSL https://drop-sh.fullyjustified.net |sh
      - name: Restore cache
        id: cache-restore
        uses: actions/cache/restore@v4
        with:
          path: ~/.cache/Tectonic
          key: ${{ runner.os }}-tectonic-
      - name: Compile latex
        run: ./tectonic book.tex
      - name: Rename PDF
        run: mv main.pdf ${{ steps.extract_branch.outputs.branch }}.pdf
      - name: Upload
        uses: VAllens/gitea-publish-generic-packages@v1
        env:
          NODE_OPTIONS: '--experimental-fetch' # if nodejs < 18
        with:
          token: ${{ secrets.token }}
          package_version: ${{ github.sha }}
          files: |-
            ${{ steps.extract_branch.outputs.branch }}.pdf
      - uses: actions/cache@v3
        name: Tectonic cache
        with:
          path: ~/.cache/Tectonic
          key: ${{ runner.os }}-tectonic-${{ hashFiles('**/*.tex') }}