A github action to use a repository as a mirror of a wiki, allowing for quality control over community contributions.

wiki-mirror.yml

name: Mirror to wiki
on: [push]
jobs:

  mirror:
    name: Mirror
    if: github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    steps:

      - name: Checkout current repository
        uses: actions/checkout@v2
        with:
          path: ./mirror

      - name: Checkout wiki repository
        uses: actions/checkout@master
        with:
          repository: username/repo.wiki # Update this to your username and repo
          token: ${{ secrets.ACTIONS_SECRET }} # Personal access token with push access to the repo
          path: ./wiki

      - name: Remove ignored files
        run: |
          cd mirror
          IGNORE=$(cat .wikiignore) # Optional .wikiignore file that lists the files to be ignored when mirroring
          rm -rf $IGNORE
          cd ..
      - name: Apply changes
        run: |
          cp -a mirror/. wiki
      - name: Push changes
        run: |
          cd wiki
          git add .
          git config user.name github-actions
          git config user.email github-actions@github.com
          git commit -am "${{ github.event.head_commit.message }} (@${{ github.event.head_commit.author.name }})"
          git push