cd_wiki.yaml

name: Wiki CD

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

concurrency:
  group: 'wiki-cd'

jobs:

  cd_wiki:
    name: Wiki deployment
    runs-on: ubuntu-latest
    if: ${{ github.repository == 'endless-sky/endless-sky' && github.ref == 'refs/heads/master' }}
    permissions:
      contents: write
    steps:
      - name: Checkout endless-sky-wiki repository
        run: |
          git clone "https://github.com/endless-sky/endless-sky-wiki.git"
      - name: Checkout wiki
        run: git clone "https://github.com/${{ github.repository }}.wiki.git"
      - name: Synchronize files
        run: rsync --delete -rvh -e .git endless-sky-wiki/wiki/* endless-sky.wiki/
      - name: Check for changes
        id: check-diff
        run: |
          cd endless-sky.wiki
          git add .
          if [[ $(git diff --cached --raw) ]]; then
            echo "changes=yes" >> "$GITHUB_OUTPUT"
          fi
      - name: Get latest commit hash
        if: ${{ steps.check-diff.outputs.changes == 'yes' }}
        id: latest-commit
        run: |
          cd endless-sky-wiki
          echo "hash=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
      - name: Commit changes
        if: ${{ steps.check-diff.outputs.changes == 'yes' }}
        run: |
          cd endless-sky.wiki
          git config --local user.name "GitHub Actions"
          git config --local user.email "actions@github.com"
          git commit -m "Synchronize with endless-sky-wiki" -m "Latest commit: endless-sky/endless-sky-wiki@${{ steps.latest-commit.outputs.hash }}" -m "Triggered by ${{ github.actor }}"
      - name: Push changes
        if: ${{ steps.check-diff.outputs.changes == 'yes' }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          cd endless-sky.wiki
          git remote set-url origin "https://github-actions:${{ env.GH_TOKEN }}@github.com/${{ github.repository }}.wiki.git"
          git push origin