make-pot.yml

name: Generate POT file

on:
  workflow_dispatch:
    inputs:
      base:
        description: 'Base branch to compare and create PR against.'
        required: false
        default: 'develop'
  pull_request:
    types:
      - opened
      - synchronize
      - reopened

jobs:
  make-pot:
    if: |
      github.event_name == 'workflow_dispatch' ||
      (
        github.event_name == 'pull_request' &&
        (
          startsWith(github.head_ref, 'automatic_translations_') ||
          startsWith(github.head_ref, 'tm_edits_')
        )
      )
    runs-on: ubuntu-latest
    services:
      mysql:
        image: mysql:5.7
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: wordpress
        ports:
          - 3306:3306
        options: >-
          --health-cmd="mysqladmin ping --silent" --health-interval=10s --health-timeout=5s --health-retries=3
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache Node.js modules
        uses: actions/cache@v4
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Install dependencies
        run: npm install --ignore-scripts

      - name: Build plugin (dotorg dist)
        run: npm run dist:dotorg

      - name: Install PHP and required extensions
        run: |
          sudo apt-get update && sudo apt-get install -y php php-mysql php-xml php-curl
          echo "xdebug.max_nesting_level=1024" | sudo tee -a /etc/php/$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')/cli/conf.d/20-xdebug.ini

      - name: Download wp-cli
        run: |
          curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
          chmod +x wp-cli.phar
          sudo mv wp-cli.phar /usr/local/bin/wp

      - name: Download and configure WordPress
        run: |
          curl -O https://wordpress.org/latest.tar.gz
          tar -xzf latest.tar.gz
          cp -r dist/accessibility-checker wordpress/wp-content/plugins/accessibility-checker
          cp wordpress/wp-config-sample.php wordpress/wp-config.php
          sed -i \
            -e "s/database_name_here/wordpress/" \
            -e "s/username_here/root/" \
            -e "s/password_here/root/" \
            -e "s/'DB_HOST', 'localhost'/'DB_HOST', '127.0.0.1:3306'/" \
            wordpress/wp-config.php
          echo "define('FS_METHOD', 'direct');" >> wordpress/wp-config.php

      - name: Wait for MySQL to be ready
        run: |
          for i in {1..30}; do
            if mysqladmin ping -h127.0.0.1 -uroot -proot --silent; then
              break
            fi
            sleep 2
          done

      - name: Install WordPress
        run: |
          cd wordpress
          wp core install --url=localhost --title=Test --admin_user=admin --admin_password=admin --admin_email=admin@example.com --skip-email --allow-root

      - name: Generate POT file
        run: |
          cd wordpress/wp-content/plugins/accessibility-checker
          wp i18n make-pot . ./languages/accessibility-checker.pot --allow-root

      - name: Check if POT file changed (ignoring some headers)
        id: pot_diff
        run: |
          if [ -f wordpress/wp-content/plugins/accessibility-checker/languages/accessibility-checker.pot ] && [ -f dist/accessibility-checker/languages/accessibility-checker.pot ]; then
            diff_output=$(diff \
              <(grep -vE '^("?(POT-Creation-Date|PO-Revision-Date|X-Generator|Project-Id-Version):|#|$)' wordpress/wp-content/plugins/accessibility-checker/languages/accessibility-checker.pot) \
              <(grep -vE '^("?(POT-Creation-Date|PO-Revision-Date|X-Generator|Project-Id-Version):|#|$)' dist/accessibility-checker/languages/accessibility-checker.pot) || true)
            if [ -n "$diff_output" ]; then
              echo "pot_changed=true" >> $GITHUB_OUTPUT
            else
              echo "pot_changed=false" >> $GITHUB_OUTPUT
            fi
          else
            echo "pot_changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Comment on PR if POT file changed
        if: steps.pot_diff.outputs.pot_changed == 'true' && github.event.pull_request
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: 'The POT translation file has changed. Please update the POT file in your PR to keep translations up to date.\nThe updated file is available in the artifacts of this workflow run: https://github.com/' + context.repo.owner + '/' + context.repo.repo + '/actions/runs/' + process.env.GITHUB_RUN_ID
            })

      - name: Upload POT file as artifact
        if: steps.pot_diff.outputs.pot_changed == 'true'
        uses: actions/upload-artifact@v4
        with:
          name: accessibility-checker-i18n
          path: wordpress/wp-content/plugins/accessibility-checker/languages/accessibility-checker.pot

      - name: Set up Git for PR
        if: steps.pot_diff.outputs.pot_changed == 'true'
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

      - name: Copy updated POT file to languages folder
        if: steps.pot_diff.outputs.pot_changed == 'true'
        run: |
          cp wordpress/wp-content/plugins/accessibility-checker/languages/accessibility-checker.pot ./languages/accessibility-checker.pot

      - name: Create or Update Pull Request with updated POT file
        if: steps.pot_diff.outputs.pot_changed == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          add-paths: ./languages/accessibility-checker.pot
          commit-message: Update POT translation file
          title: Update POT translation file
          body: This PR updates the POT translation file generated by the workflow.
          branch: update-translations/${{ github.head_ref || github.ref_name }}
          base: ${{ github.event.inputs.base || github.head_ref || github.ref_name }}
          delete-branch: true