name: Trigger nightly build

on:
  schedule:
    # * is a special character in YAML, so you have to quote this string
    - cron:  '00 15 * * *'
  workflow_dispatch:

jobs:
  trigger-nightly:
    name: Push tag for nightly build
    runs-on: ubuntu-latest
    steps:
      -
        name: 'Checkout'
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.NIGHTLY_BUILD_GH_TOKEN }}
          fetch-depth: 0
      -
        name: 'Push new tag'
        run: |
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"

          # A previous release was created using a lightweight tag
          # git describe by default includes only annotated tags
          # git describe --tags includes lightweight tags as well
          DESCRIBE=`git tag -l --sort=-v:refname | grep -v nightly | head -n 1`
          MAJOR_VERSION=`echo $DESCRIBE | awk '{split($0,a,"."); print a[1]}'`
          MINOR_VERSION=`echo $DESCRIBE | awk '{split($0,a,"."); print a[2]}'`
          # MINOR_VERSION="$((${MINOR_VERSION} + 1))"
          TAG="${MAJOR_VERSION}.${MINOR_VERSION}.0-nightly.$(date +'%Y%m%d')"
          git tag -a $TAG -m "$TAG: nightly build"
          git push origin $TAG
      - name: 'Clean up nightly releases'
        uses: dev-drprasad/delete-older-releases@v0.3.2
        with:
          keep_latest: 3
          delete_tags: true
          delete_tag_pattern: nightly
        env:
          GITHUB_TOKEN: ${{ secrets.NIGHTLY_BUILD_GH_TOKEN }}