docker-image.yml

name: Build and Publish DOMjudge

on:
  schedule:
    - cron: '0 2 * * *' # Runs every day at 2 AM Z
  workflow_dispatch:

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      status: ${{ steps.check-commit.outcome }}

    steps:
    - name: Checkout DOMjudge Repository
      uses: actions/checkout@v3
      with:
        repository: 'domjudge/domjudge'
        ref: 'main'
        path: 'domjudge'

    # If the version contains DEV, add the hash.
    - name: Get Version and Set TAG
      run: |
        cd domjudge
        VERSION=$(grep 'version' README.md | sed -n '1s/^.*version //p')
        [[ $VERSION == *DEV* ]] && TAG="${VERSION}-$(git rev-parse --short=7 HEAD)" || TAG="${VERSION}"
        echo "TAG=${TAG}" >> $GITHUB_ENV

    - name: Check if the Image with Specific Tag Exists
      id: check-commit
      continue-on-error: true
      run: |
        REPO='itsniklas/domjudge-domserver-nightly'
        STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://hub.docker.com/v2/repositories/${REPO}/tags/${{ env.TAG }})
        if [ "$STATUS" -eq 200 ]; then
          echo "Image exists."
        else
          echo "Image does not exist."
          exit 1
        fi

  build:
    needs: check
    if: needs.check.outputs.status == 'failure'
    runs-on: ubuntu-latest

    steps:
    - name: Checkout DOMjudge Repository
      uses: actions/checkout@v3
      with:
        repository: 'domjudge/domjudge'
        ref: 'main'
        path: 'domjudge'

    # If the version contains DEV, add the hash.
    - name: Get Version and Set TAG
      run: |
        cd domjudge
        VERSION=$(grep 'version' README.md | sed -n '1s/^.*version //p')
        [[ $VERSION == *DEV* ]] && TAG="${VERSION}-$(git rev-parse --short=7 HEAD)" || TAG="${VERSION}"
        echo "TAG=${TAG}" >> $GITHUB_ENV

    - name: Checkout DOMjudge Docker Repository
      uses: actions/checkout@v3
      with:
        path: 'domjudge-docker'

    - name: Create DOMjudge Snapshot
      run: tar -czf domjudge-docker/domjudge-packaging/docker/domjudge.tar.gz domjudge

    - name: Build DOMjudge
      run: |
        cd domjudge-docker/domjudge-packaging/docker/
        ./build-domjudge.sh itsniklas/domjudge-domserver-nightly:${{ env.TAG }}
        docker tag itsniklas/domjudge-domserver-nightly:${{ env.TAG }} itsniklas/domjudge-domserver-nightly:latest

    - name: Build Judgehost
      run: |
        cd domjudge-docker/domjudge-packaging/docker/
        ./build-judgehost.sh itsniklas/domjudge-judgehost-nightly:${{ env.TAG }}
        docker tag itsniklas/domjudge-judgehost-nightly:${{ env.TAG }} itsniklas/domjudge-judgehost-nightly:latest

    - name: Login to Docker Hub
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKER_USERNAME }}
        password: ${{ secrets.DOCKER_PASSWORD }}

    - name: Publish DOMjudge Image
      run: |
        docker push itsniklas/domjudge-domserver-nightly:${{ env.TAG }}
        docker push itsniklas/domjudge-domserver-nightly:latest

    - name: Publish Judgehost Image
      run: |
        docker push itsniklas/domjudge-judgehost-nightly:${{ env.TAG }}
        docker push itsniklas/domjudge-judgehost-nightly:latest