update-readme-nightly.yaml

name: automation-nightly
on:
  workflow_dispatch:
  # Run daily at 11:45 UTC.
  schedule:
    - cron: '45 11 * * *'

jobs:
  # Updates the timestamp in README.md, which triggers a "push" event.
  bump_timestamp:
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: nightly

      - name: Set update date variable
        run: |
          UPDATE_DATE=$(date)
          echo "UPDATE_DATE=${UPDATE_DATE}" >> $GITHUB_ENV

      - name: Update last sync date to launchpad
        env:
          BEGIN_TAG: "<!-- BEGIN SYNC INFO -->"
          END_TAG: "<!-- END SYNC INFO -->"
        run: |
          UPDATE=$(cat README.md | perl -0777 -pe 's#(${{ env.BEGIN_TAG }})(?:.|\n)*?(${{ env.END_TAG }})#${1}\nLast sync to launchpad: ${{ env.UPDATE_DATE }}\n${2}#g')
          echo "${UPDATE}" > README.md

      - uses: EndBug/add-and-commit@v9
        with:
          message: "bump timestamp"
          default_author: github_actions

  call-sync-repo:
    uses: ./.github/workflows/sync-repo.yaml
    secrets:
      GIT_SSH_PRIVATE_KEY: ${{ secrets.GIT_SSH_PRIVATE_KEY }}
      GIT_SSH_KNOWN_HOSTS: ${{ secrets.GIT_SSH_KNOWN_HOSTS }}