update-docker-cge-unstable.yml

# ----------------------------------------------------------------------------
# GitHub Actions workflow that updates Docker image of Castle Game Engine
# with latest unstable (snapshot) CGE version.
# That is, Docker image kambi/castle-engine-cloud-builds-tools:cge-unstable,
# which is
# - cge-unstable tag
# - of https://hub.docker.com/r/kambi/castle-engine-cloud-builds-tools/ .
#
# See https://castle-engine.io/docker for more about this Docker image.
# ----------------------------------------------------------------------------

name: Update CGE Docker Image cge-unstable

on:
  push:
  pull_request:
  repository_dispatch:
    types: [cge-snapshot-changed]

defaults:
  run:
    shell: bash

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Update Docker image
      env:
        DOCKER_USER: ${{ secrets.DOCKER_USER }}
        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        DOCKER_GITHUB_USER: ${{ secrets.DOCKER_GITHUB_USER }}
        DOCKER_GITHUB_TOKEN: ${{ secrets.DOCKER_GITHUB_TOKEN }}
      run: ./build-cge-unstable.sh

      # On self-hosted machine, we would do additionally
      # ./remove_unused_docker_images.sh
      # Seems not necessary on GH-hosted machine, as they are cleaned each time.