push.yml

on:
  push:
    branches:
      - master

# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  style_lint:
    name: Lint style
    runs-on: ubuntu-latest
    steps:
      - name: Check for long lines
        if: always()
        run: |
          ! (find PFR -name "*.lean" -type f -exec grep -E -H -n '^.{101,}$' {} \; | grep -v -E 'https?://')

      - name: Don't 'import Mathlib', use precise imports
        if: always()
        run: |
          ! (find PFR -name "*.lean" -type f -print0 | xargs -0 grep -E -n '^import Mathlib$')

  build_project:
    runs-on: ubuntu-latest
    name: Build project
    steps:
      - name: Checkout project
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Print files to upstream
        run: |
          grep -r --files-without-match 'import PFR' PFR | sort > 1.txt
          grep -r --files-with-match 'sorry' PFR | sort > 2.txt
          mkdir -p docs/_includes
          comm -23 1.txt 2.txt | sed -e 's/^\(.*\)$/- [`\1`](https:\/\/github.com\/teorth\/PFR\/blob\/master\/\1)/' > docs/_includes/files_to_upstream.md
          rm 1.txt 2.txt

      - name: Install elan
        run: curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSf | sh -s -- -y --default-toolchain leanprover/lean4:4.0.0

      - name: Get cache
        run: ~/.elan/bin/lake -Kenv=dev exe cache get || true

      - name: Build project
        run: ~/.elan/bin/lake -Kenv=dev build PFR

      - name: Cache mathlib docs
        uses: actions/cache@v3
        with:
          path: |
            .lake/build/doc/Init
            .lake/build/doc/Lake
            .lake/build/doc/Lean
            .lake/build/doc/Std
            .lake/build/doc/Mathlib
            .lake/build/doc/declarations
            !.lake/build/doc/declarations/declaration-data-PFR*
          key: MathlibDoc-${{ hashFiles('lake-manifest.json') }}
          restore-keys: |
            MathlibDoc-

      - name: Build documentation
        run: ~/.elan/bin/lake -Kenv=dev build PFR:docs

      - name: Build blueprint and copy to `docs/blueprint`
        uses: xu-cheng/texlive-action@v2
        with:
          docker_image: ghcr.io/xu-cheng/texlive-full:20231201
          run: |
            export PIP_BREAK_SYSTEM_PACKAGES=1
            apk update
            apk add --update make py3-pip git
            apk add --update make py3-pip git pkgconfig graphviz graphviz-dev gcc musl-dev
            git config --global --add safe.directory $GITHUB_WORKSPACE
            git config --global --add safe.directory `pwd`
            python3 -m pip install --upgrade pip requests wheel
            python3 -m pip install pygraphviz --global-option=build_ext --global-option="-L/usr/lib/graphviz/" --global-option="-R/usr/lib/graphviz/"
            pip install -r blueprint/requirements.txt
            python3 -m pip install invoke
            inv all

      - name: Copy documentation to `docs/docs`
        run: |
          mv .lake/build/doc docs/docs

      - name: Bundle dependencies
        uses: ruby/setup-ruby@v1
        with:
          working-directory: docs
          ruby-version: "3.0" # Not needed with a .ruby-version file
          bundler-cache: true # runs 'bundle install' and caches installed gems automatically

      - name: Bundle website
        working-directory: docs
        run: JEKYLL_ENV=production bundle exec jekyll build

      - name: Upload docs & blueprint artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: docs/_site

      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1

      - name: Make sure the cache works
        run: |
          mv docs/docs .lake/build/doc