closePR.yml

# Github action to cleanup a PR preview
# Runs when a pull request is merged or comment contains '#delete_preview'
#

name: PR Preview Cleanup

on:
  issue_comment:
    types: [created]

  pull_request:
    types:
      - closed

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true || contains(github.event.comment.body, '#delete_preview')

    steps:
      # Checkout existing gh-pages branch into PUBLISH_DIR
      - name: Checkout gh-pages
        uses: actions/checkout@v3
        with:
          ref: gh-pages

      # Cleanup preview files
      - name: PR Cleanup 
        run: rm -rf pr/${{github.event.issue.number}}
      
      - name: Commit and push to gh-pages
        uses: EndBug/add-and-commit@v9.1.3
        with:
          committer_email: 53436240+fortran-lang@users.noreply.github.com
          committer_name: Fortran
          message: "Sphinx build cleanup pr/${{github.event.issue.number}}"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # Comment on pull request
      - name: Comment on pull request
        uses: peter-evans/create-or-update-comment@v3
        if: contains(github.event.comment.body, '#delete_preview')
        with:
          issue-number: ${{github.event.issue.number}}
          body: The preview build for this PR has now been deleted.