update-copyright-headers.yaml

name: Update Copyright Headers

on:
  # Runs at 00:00 UTC on Jan 4th or via manual trigger
  schedule:
    - cron: '0 0 4 1 *'
  workflow_dispatch:
    inputs:
      newYear:
        description: "Desired year to update to (e.g., 2025). If not provided, will auto-detect."
        required: false

jobs:
  update-headers:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Determine years for update
        id: determine-years
        run: |
          INPUT_YEAR="${{ github.event.inputs.newYear }}"

          if [ -z "$INPUT_YEAR" ]; then
            CURRENT_YEAR="$(date +'%Y')"
            echo "No 'newYear' input. Using current year: ${CURRENT_YEAR}"
          else
            CURRENT_YEAR="$INPUT_YEAR"
            echo "Received user input. Updating to: ${CURRENT_YEAR}"
          fi

          echo "CURRENT_YEAR=$CURRENT_YEAR" >> $GITHUB_ENV

      - name: Bump ending year in QIIME 2 headers
        run: |
          source $GITHUB_ENV

          echo "Will update any QIIME 2 header years in [2015..$((CURRENT_YEAR-1))] to $CURRENT_YEAR"

          for OLD_YEAR in $(seq 2015 $((CURRENT_YEAR - 1))); do
            find . -type f -exec \
              sed -i -E "s/(Copyright \(c\) [0-9]{4})-${OLD_YEAR}, QIIME 2/\1-${CURRENT_YEAR}, QIIME 2/g" {} +
          done

      - name: Commit and push changes
        run: |
          git config --global user.name "q2d2"
          git config --global user.email "q2d2.noreply@gmail.com"

          if [ -n "$(git status --porcelain)" ]; then
            git add .
            git commit -m "Auto-update copyright year to $CURRENT_YEAR"
            git push
          else
            echo "No changes to commit."
            exit 0
          fi