update-on-push.yml

---
# This workflow uses actions that are not certified by GitHub. They are provided
# by a third-party and are governed by separate terms of service, privacy
# policy, and support documentation.

name: Auto-update on push
on:
  workflow_dispatch:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# Declare default permissions as read only.
permissions: read-all

jobs:
  update_on_push_job:
    runs-on: ubuntu-latest
    name: Auto-update on push
    permissions:
      contents: write
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
        with:
          disable-sudo: true
          egress-policy: block
          allowed-endpoints: >
            github.com:443
            objects.githubusercontent.com:443
            registry.npmjs.org:443

      - name: Install Node.js
        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
        with:
          node-version: "20"
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout Source
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          fetch-depth: 0

      - name: Install git-cliff
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          curl -L \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: token ${GITHUB_TOKEN}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            -o ${{ runner.temp }}/git-cliff.tgz \
            https://github.com/orhun/git-cliff/releases/download/v1.3.1/git-cliff-1.3.1-x86_64-unknown-linux-gnu.tar.gz

          tar -zxvf ${{ runner.temp }}/git-cliff.tgz -C "${{ runner.temp }}"

      - name: Generate artifacts
        run: |
          # Generate list of authors
          ./scripts/generate-contributors.sh

          # Generate CHANGELOG
          ${{ runner.temp }}/git-cliff*/git-cliff -o CHANGELOG.md

          # Run Markdownlint. Will probably fail.
          npm exec markdownlint-cli --ignore=node_modules --ignore=.github --ignore=.templates --fix '**/*.md' || true

          # Run Markdownlint. Should succeed this time.
          npm exec markdownlint-cli --ignore=node_modules --ignore=.github --ignore=.templates --fix '**/*.md' || true

      - name: Git commit if changed
        run: |
          git config user.name "Ryan Parman (Bot)"
          git config user.email "ryan@ryanparman.com"

          git add .
          git status | grep modified
          if [ $? -eq 0 ]; then
            git commit -a -m "automation: Updated AUTHORS and CHANGELOG on $(date)."
            git push
          fi