action.yml

name: "Status Page"
description: "Build a static status page using GitHub Issues to manage incidents."

inputs:
  token:
    description: "GitHub access token"
    required: true
  title:
    description: "Status page title"
  app-url:
    description: "Link to your app, displayed in the header"

runs:
  using: "composite"

  steps:
    - uses: actions/checkout@v2

    - uses: actions/setup-node@v3
      with:
        node-version: 18

    - name: Set up git
      shell: bash
      run: |
        git config user.name github-actions
        git config user.email github-actions@github.com
        git remote set-url origin https://${{ github.repository_owner }}:${{ inputs.token }}@github.com/${{ github.repository }}

    - name: Create gh-pages branch if necessary
      shell: bash
      run: |
        if git ls-remote --exit-code --heads origin gh-pages; then
          # If origin/gh-pages exists, create a local copy
          git fetch origin
          git checkout -b gh-pages origin/gh-pages
        else
          # Create gh-pages if it does not exists
          git checkout --orphan gh-pages
          git reset --hard
          git commit --allow-empty -m "Initial commit"
        fi
        git checkout main

    - name: Set up git worktree
      shell: bash
      run: git worktree add build gh-pages

    - name: Install dependencies
      shell: bash
      run: cd ${{ github.action_path }} && npm ci

    - name: Build static status page
      shell: bash
      run: cd ${{ github.action_path }} && npm run build
      env:
        BUILD_DIR: ${{ github.workspace }}/build
        GITHUB_TOKEN: ${{ inputs.token }}
        GITHUB_REPOSITORY: ${{ github.repository }}
        STATUS_PAGE_TITLE: ${{ inputs.title }}
        STATUS_PAGE_APP_URL: ${{ inputs.app-url }}

    - name: Ensure .nojekyll exists to bypass Jekyll builds on GitHub Pages
      shell: bash
      run: touch cd ${{ github.workspace }}/build/.nojekyll

    - name: Commit and push to gh-pages
      shell: bash
      run: |
        cd ${{ github.workspace }}/build
        git add --all
        if git diff --cached --exit-code; then
          echo "Nothing to commit"
        else
          git commit -m "Build static status page"
          git push origin gh-pages
        fi