name: Manual

on:
  push:
    paths:
    - 'man/**'

jobs:
  man:
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v2

    - name: Dependency
      run: sudo apt install mandoc

    - name: Manual generation
      run: |
        make man
        wget -O - https://mandoc.bsd.lv/snapshots/mandoc-1.14.6.tar.gz | tar -zxC man --strip-components 1 mandoc-1.14.6/mandoc.css
        ln -sf "${GITHUB_REPOSITORY#*/}.1.html" man/index.html

    - name: Upload
      env:
        DEPLOY_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git clone --depth=1 --single-branch --branch gh-pages "https://x-access-token:${DEPLOY_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" /tmp/gh-pages
        git config --global user.name "${GITHUB_ACTOR}"
        git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"
        mkdir -p /tmp/gh-pages/man
        rm -f /tmp/gh-pages/man/*
        cp -av man/*.html /tmp/gh-pages/man/
        cp -av man/*.css /tmp/gh-pages/man/
        cd /tmp/gh-pages
        git add -A && git commit --allow-empty -am "Publishing from ${GITHUB_REPOSITORY} ${GITHUB_SHA}"
        git push origin gh-pages