check-and-ebook.yml

name: Check and Make eBook

# This workflow runs upon
# - push to main (check, make, publish)
# - create new PR (check, make)

on:
  workflow_dispatch:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]

# permissions:
#   contents: read

jobs:
  #
  # check source code
  #
  check:
    runs-on: ubuntu-24.04
    outputs:
      cache-hit: ${{ steps.cache-lookup.outputs.cache-hit }}

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false
          fetch-depth: 1 # 0 if you want to push to repo

      - name: Touch requirements.txt for pip caching
        run: touch requirements.txt

      - name: Calculate hash on chapters/*.tex
        id: calculate-hash
        run: |
          current_date=$(date -u '+%Y-%m-%d')
          hashed=${{ hashFiles('chapters/*.tex') }}
          echo "hash=${current_date}-${hashed}" >> $GITHUB_OUTPUT
          echo "${current_date}-${hashed}" > hash-chapters.txt

      - name: Cache lookup
        id: cache-lookup
        uses: actions/cache@v4
        with:
          path: hash-chapters.txt
          key: chapter-hash-for-ebook-${{ steps.calculate-hash.outputs.hash }}

      - name: Python set up
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"
          cache: "pip"

      - name: Check chapters for known issues
        run: python3 -O scripts/check_chapters.py

      - name: Check pre-commit hooks
        uses: pre-commit/action@v3.0.1

  #
  # make eBook
  #
  make:
    needs: check
    # do not run for unchanged tex files
    if: needs.check.outputs.cache-hit != 'true'

    runs-on: ubuntu-24.04

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false
          fetch-depth: 1 # 0 if you want to push to repo

      - name: Python set up
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"
          # no package needed, so no caching
          # cache: "pip"

      #  - name: setup environment to DE lang
      #    run: |
      #      cd /usr/share/locales
      #      sudo ./install-language-pack de_DE.UTF-8

      - name: ls before
        run: |
          pwd
          ls -l
          echo ${{ needs.check.outputs.cache-hit }}

      - name: Install apt packages using cache
        uses: awalsh128/cache-apt-pkgs-action@latest
        with:
          packages: texlive-extra-utils pandoc calibre imagemagick ghostscript
          version: 1.0
          # execute_install_scripts: true

      - name: Manually install ImageMagick
        # since cache does not properly work / "convert" not found
        run: |
          apt-get install imagemagick

      - name: Print versions
        run: |
          cat /etc/os-release
          # xelatex -v
          # latexmk -v
          calibre --version
          pandoc --version
          python3 --version

      - name: Make eBooks
        run: |
          wget --quiet https://github.com/entorb/hpmor-de/releases/download/WorkInProgress/hpmor.pdf -O hpmor.pdf
          sh scripts/make_ebooks.sh > /dev/null

      - name: ls after
        run: |
          pwd
          ls -l

      - name: Publish eBooks to release
        # run only for push into main
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: WorkInProgress
          prerelease: true
          files: |
            ./hpmor.docx
            ./hpmor.html
            ./hpmor.epub
            ./hpmor.mobi
            ./hpmor.fb2