nightly.yml

name: Publish Nightly

on:
  schedule:
    - cron: '30 19 * * *'

permissions:
  id-token: write
  contents: write
  checks: write

jobs:

  evaluate_changes:
    name: Evaluate changes for run or skipping nightly build
    runs-on: ubuntu-latest
    outputs:
      SHOULD_BUILD: ${{ steps.check.outputs.shouldBuild }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 1

      - name: Check
        id: check
        run: |
          if [[ $(git rev-list --after="24 hours" main) ]]; then
            echo ::set-output name=shouldBuild::true
          else
            echo ::set-output name=shouldBuild::false
          fi

  build:
    name: Build
    needs: evaluate_changes
    if: ${{ needs.evaluate_changes.outputs.SHOULD_BUILD == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Java
        uses: actions/setup-java@v3
        with:
          distribution: zulu
          java-version: 18

      - name: Build
        uses: gradle/gradle-build-action@v2
        with:
          gradle-version: current
          arguments: build
          
  create_tag:
    name: Nightly Tag
    needs: build
    runs-on: ubuntu-latest
    steps:

      - name: Checkout
        uses: actions/checkout@v3

      - name: Create TAG_NAME environment variable
        run: |
          echo "TAG_NAME=nightly-$(date --rfc-3339=date)" >> $GITHUB_ENV

      - name: Create tag
        uses: rickstaa/action-create-tag@v1
        env:
          TAG_NAME: ${{ env.TAG_NAME }}
        with:
          tag: ${{ env.TAG_NAME }}