name: docker setup and build
author: tom
descriptions: setup, login, builds and pushes a container as a package
inputs:
  path:
    description: 'the path where buildx should start'
    required: false
    default: '.'
  name:
    desciption: 'name of the package'
    required: false
    default: '${{ gitea.repository }}'
  username:
    description: 'username used to push the package'
    required: true
  password:
    description: 'password used to push the package'
    required: true

runs:
  using: "composite"
  steps:
    - uses: actions/checkout@v5
      with:
        fetch-depth: 0

    - name: get commit hash 
      id: get_hash
      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to Docker Hub
      uses: docker/login-action@v2
      with:
        registry: git.tmoron.fr
        username: ${{ inputs.username }}
        password: ${{ inputs.password }}

    - name: Build and push
      uses: docker/build-push-action@v4
      with:
        context: "{{defaultContext}}:${{ input.path }}"
        push: true
        tags: git.tmoron.fr/${{ inputs.name }}:${{ steps.get_hash.outputs.sha_short }}

    - name: push to latest branch
      run: | 
        if git ls-remote --exit-code --heads origin latest; then
            git switch latest
            git merge master 
        else
            git checkout -b latest
        fi
        git push origin latest