pr-preview.yml

name: PR Preview
# Builds and deploys a preview of the blog site for every PR targeting main.

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review
    branches:
      - main

permissions:
  contents: write
  pull-requests: write

jobs:
  build-preview:
    name: Build & Deploy PR Preview
    runs-on: ubuntu-latest
    container:
      image: "ghcr.io/pharmaverse/docker_pharmaverse:4.5.1"
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Configure Git safe directory
        run: git config --global --add safe.directory /__w/blog/blog

      - name: Set up Quarto
        uses: quarto-dev/quarto-actions/setup@v2
        with:
          version: 1.9.12

      - name: Install R Packages
        run: |
          R -e "install.packages(c(
            'admiral',
            'diffdf',
            'patchwork',
            'here',
            'filters',
            'janitor',
            'link',
            'sessioninfo',
            'renv',
            'riskmetric',
            'sdtm.oak',
            'mirai',
            'dverse',
            'autoslider.core'))"

      - name: Install tinytex
        run: quarto install tool tinytex

      - name: Sanitize branch name for use as directory/URL slug
        id: branch
        run: |
          SAFE_BRANCH=$(echo "${{ github.head_ref }}" | sed 's|[^a-zA-Z0-9._-]|-|g')
          echo "safe=${SAFE_BRANCH}" >> "$GITHUB_OUTPUT"
        shell: bash

      - name: Render Quarto Project
        uses: quarto-dev/quarto-actions/render@v2
        with:
          to: html

      - name: Publish PR preview to gh-pages subdirectory
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./_site
          destination_dir: ${{ steps.branch.outputs.safe }}

      - name: Post preview URL comment on PR
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: "PR Preview"
          message: |
            :eyes: **Preview available!**

            The preview website for this PR is available at:
            https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/${{ steps.branch.outputs.safe }}

            _The preview is updated every time a new commit is pushed to this PR._
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}