devcontainer.yml

name: Build & Test Devcontainer Docker Image

on:
  workflow_dispatch:
  workflow_run:
    workflows: "R-CMD-check"
    branches: main
    types: completed

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}
  cancel-in-progress: true

jobs:
  build-devcontainer:
    runs-on: ubuntu-latest
    if: |
      github.event_name == 'workflow_dispatch' || 
        github.event_name == 'release' || 
        (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
    strategy:
      fail-fast: false
    steps:
      - uses: actions/checkout@v4

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine Tag
        id: tag
        run: |
          if [ "${{ github.ref_name }}" == "main" ]; then
            echo "tag=devel" >> "$GITHUB_OUTPUT"
            echo "EGGLA_VERSION=main" >> "$GITHUB_ENV"
          else
            echo "tag=latest,${{ github.ref_name }}" >> "$GITHUB_OUTPUT"
            echo "EGGLA_VERSION=${{ github.ref_name }}" >> "$GITHUB_ENV"
          fi

      - name: Build and run Dev Container on release
        uses: devcontainers/ci@v0.3
        if: 
        with:
          subFolder: .github
          imageName: ghcr.io/${{ github.repository }}
          imageTag: ${{ steps.tag.outputs.tag }}
          push: always
          runCmd: Rscript /eggla-example.R
          
  clean:
    needs: 'build-devcontainer'
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - name: Delete obsolete/untagged versions
        uses: actions/delete-package-versions@v5
        with:
          package-name: ${{ github.event.repository.name }}
          package-type: "container"
          token: ${{ secrets.GITHUB_TOKEN }}
          delete-only-untagged-versions: "true"