nightly.yml

name: nightly

on:
  workflow_dispatch:
    inputs:
      ref:
        description: 'Branch or tag to build (leave empty for the full nightly run: master + v1.7+ release branches)'
        required: false
        default: ''
      tag:
        description: 'Image tag override (defaults to <ref>-head; only used when ref is set)'
        required: false
        default: ''
  schedule:
    # run at 03:30 UTC every night
    - cron:  '30 3 * * *'

jobs:
  # Manual single-ref build (only when ref input is provided)
  build-for-ref:
    if: ${{ github.event_name == 'workflow_dispatch' && inputs.ref != '' }}
    uses: ./.github/workflows/factory.yml
    with:
      refs: ${{ inputs.ref }}
      tag: ${{ inputs.tag != '' && inputs.tag || format('{0}-head', inputs.ref) }}
      push: true
    secrets: inherit

  # Full nightly run: schedule, or workflow_dispatch without a specific ref
  discover-branches:
    if: ${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.ref == '') }}
    runs-on: ubuntu-latest
    outputs:
      branches: ${{ steps.list.outputs.branches }}
    steps:
      - name: List release branches to build (v1.7+)
        id: list
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          branches=$(gh api "repos/${{ github.repository }}/branches" --paginate --jq '.[].name' \
            | awk -F. '/^v1\.[0-9]+$/ && $2+0 >= 7 {print}' \
            | jq -R -s -c 'split("\n") | map(select(length > 0))')
          echo "branches=$branches" >> "$GITHUB_OUTPUT"
          echo "Discovered: $branches"

  build-for-master:
    if: ${{ github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.ref == '') }}
    uses: ./.github/workflows/factory.yml
    with:
      refs: master
      tag: master-head
      push: true
    secrets: inherit

  build-for-release-branches:
    needs: discover-branches
    if: ${{ needs.discover-branches.outputs.branches != '[]' }}
    strategy:
      fail-fast: false
      matrix:
        branch: ${{ fromJson(needs.discover-branches.outputs.branches) }}
    uses: ./.github/workflows/factory.yml
    with:
      refs: ${{ matrix.branch }}
      tag: ${{ matrix.branch }}-head
      push: true
    secrets: inherit