update-date.yaml

on:
  schedule:
    - cron: '30 5 1 * *'

jobs:
  update:
    runs-on: ubuntu-latest
    name: Add next file
    steps:
      - uses: actions/checkout@v3
      - name: Create file and push
        run: |
          sudo apt update && sudo apt install -y ncal
          next_hack_date=$(date -u +%Y-%m-$(ncal -h | awk '/Sa/ {print $(NF)}'))
          last_hack_number=$(ls -1 _hacks | sort -r | head -n1 | sed 's/[^0-9]*//g')
          next_hack_number=$(($last_hack_number+1))

          cat << EOF > _hacks/$next_hack_number.md
          ---
          hack_number: $next_hack_number
          date: $next_hack_date
          upcoming: true
          ---
          EOF

          git config --global user.email "date-bot@remotehack.com"
          git config --global user.name "date-bot"
          git add .
          git commit -m "Add hack number $next_hack_number on $next_hack_date"
          git push origin main