deploy.yml

# Copyright 2022 Tim Duesterhus <tim@bastelstu.be>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version
# 2 of the License, or (at your option) any later version.

name: Deploy

on:
  push:
    branches:
    - master
    paths:
    - '.github/**'
  schedule:
  - cron: "0 0 * * *"
  workflow_dispatch:

permissions:
  contents: write

jobs:
  deploy:
    concurrency:
      group: target
      cancel-in-progress: true
    name: Deploy
    runs-on: ubuntu-latest
    env:
      BRANCHES: "dev 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6"
    steps:
    - name: Clone the docs.
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Prepare git.
      run: |
        git config --global user.name "HAProxy Community"
        git config --global user.email "haproxy@formilux.org"
        git config --global gc.autoDetach "false"
    - name: Install Python.
      uses: actions/setup-python@v4
      with:
        python-version: '3.x'
    - name: Clone dconv.
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
        repository: cbonte/haproxy-dconv
        path: dconv
    - name: Install dconv dependencies.
      run: |
        pip3 install -r dconv/requirements.txt
    - name: Download the HAProxy repository cache.
      uses: actions/cache@v3
      with:
        path: |
          haproxy/
        key: haproxy-${{ github.run_id }}-${{ github.run_attempt }}
        restore-keys: |
          haproxy-
    - name: Update the HAProxy repository.
      run: |
        set -x

        if [ ! -d haproxy/.git ]; then
          git clone https://github.com/haproxy/haproxy.git haproxy
        fi

        for branch in $BRANCHES; do
          if [ "$branch" = "dev" ]; then
            suffix=""
          else
            suffix="-$branch"
          fi

          if ! git -C haproxy remote |grep -q "haproxy$suffix"; then
            git -C haproxy remote add "haproxy$suffix" "http://git.haproxy.org/git/haproxy$suffix.git/"
          fi
        done

        for remote in $(git remote); do
          if [ "$remote" != "origin" ]; then
            found=
            for branch in $BRANCHES; do
              if [ "$branch" = "dev" ]; then
                suffix=""
              else
                suffix="-$branch"
              fi

              if [ "$remote" = "haproxy$suffix" ]; then
                found=1
              fi
            done

            if [ -z "$found" ]; then
              git -C haproxy remote rm "$remote"
            fi
          fi
        done

        git -C haproxy remote update --prune
    - name: Rebuild the docs.
      run: |
        set -x

        echo "User-agent: *" >/tmp/robot.txt 
        echo "Disallow:" >>/tmp/robot.txt
        echo "Sitemap: https://docs.haproxy.org/sitemap.xml" >>/tmp/robot.txt

        echo "<?xml version="1.0" encoding="UTF-8"?>" >/tmp/sitemap.xml
        echo "<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">" >>/tmp/sitemap.xml

        for branch in $BRANCHES; do
          printf "::group::Building %s\n" "$branch"
          if [ "$branch" = "dev" ]; then
            suffix=""
          else
            suffix="-$branch"
          fi

          git -C haproxy checkout "haproxy$suffix/master"

          files=(
            "$PWD/haproxy/doc/intro.txt"
            "$PWD/haproxy/doc/configuration.txt"
            "$PWD/haproxy/doc/management.txt"
          )

          LASTCHANGE="$(git -C haproxy log -1 --pretty="%ct" -- ${files[@]})"

          rm -rf "docs/$branch/"
          mkdir "docs/$branch/"

          for n in "${files[@]}"
          do
             file=$(basename $n)
             file=${file%*.txt}.html
             echo "<url><loc>https://docs.haproxy.org/${$branch}/${file}</loc></url>" >>/tmp/sitemap.xml
          done
          
          env SOURCE_DATE_EPOCH="$LASTCHANGE" python3 dconv/dconv.py -g "$PWD/haproxy/" -o "$PWD/docs/$branch/" --base=.. ${files[@]}

          git add "docs/$branch/"
          if ! git diff --cached --quiet; then
            git commit -m "Update docs for $branch"
          fi

          printf "::endgroup::\n"
        done
        echo "</urlset>" >>/tmp/sitemap.xml
        
        cp /tmp/sitemap.xml docs/sitemap.xml
        git add "docs/sitemap.xml"
        if ! git diff --cached --quiet; then
            git commit -m "Update sitemap.xml"
        fi

        cp /tmp/robot.txt docs/robot.txt
        git add "docs/robot.txt"
        if ! git diff --cached --quiet; then
            git commit -m "Update robot.txt"
        fi
        
    - name: Push the changes.
      run: |
        git push