name: Update schedule.yaml
on:
  workflow_dispatch:
  schedule:
    - cron: '0 0 * * *'  # daily
jobs:
  create-pull-request:
    name: Create PR (if required)
    permissions:
      contents: write
      pull-requests: write
    if: github.repository == 'kubernetes/website'
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository code
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          fetch-depth: 0

      - uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        with:
          go-version: '1.22'
          check-latest: true

      - name: Install schedule-builder
        run: go install k8s.io/release/cmd/schedule-builder@v0.16.9

      - name: Update schedule.yaml
        run: schedule-builder -uc data/releases/schedule.yaml -e data/releases/eol.yaml

      - name: Check workspace
        id: create_pr
        run: |
          if [[ $(git diff --stat) != '' ]]; then
            echo "create_pr=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@70a41aba780001da0a30141984ae2a0c95d8704e # v6.0.2
        if: ${{ steps.create_pr.outputs.create_pr == 'true' }}
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: Update schedule.yaml
          title: Update release schedule.yaml
          body: |
            Update release schedule.yaml

            /cc @kubernetes/release-managers
          labels: area/release-eng, sig/release, sig/docs
          branch: update-schedule
          delete-branch: true
          signoff: true