update-citation.yml

name: Update CITATION.cff

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  update-citation:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.repository.default_branch }}
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Update version and date in CITATION.cff
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          DATE="$(git show -s --format=%cs "$GITHUB_SHA")"
          sed -i "s/^version: .*/version: v${VERSION}/" CITATION.cff
          sed -i "s/^date-released: .*/date-released: ${DATE}/" CITATION.cff

      - name: Commit updated CITATION.cff
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add CITATION.cff
          git diff --cached --quiet || git commit -m "chore: update CITATION.cff to ${GITHUB_REF_NAME} [skip ci]"
          git push origin ${{ github.event.repository.default_branch }}