name: "Devcontainer"
on:
  push:
    branches:
      - main
  pull_request:
    paths:
      - ".devcontainer/**"

permissions: {}

# Only allow one run of the workflow per branch / PR at a time.
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: "Build devcontainer"
    runs-on: ubuntu-26.04
    permissions:
      contents: read
      packages: read
    steps:
      - name: Checkout sources
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Login to GitHub Container Registry
        uses: docker/login-action@81c6f93d4bc991e510b342a00b419b3bb4efc5c6 # v4.7.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pre-build dev container image
        uses: devcontainers/ci@513af61f4de4f75d37e4438f184ba4358f0fc1ca # v0.3.1900000450
        with:
          imageName: ghcr.io/reubeno/brush/devcontainer
          imageTag: latest
          cacheFrom: ghcr.io/reubeno/brush/devcontainer
          push: never

  build_and_publish:
    name: "Build and publish devcontainer"
    runs-on: ubuntu-26.04
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout sources
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Login to GitHub Container Registry
        uses: docker/login-action@81c6f93d4bc991e510b342a00b419b3bb4efc5c6 # v4.7.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pre-build dev container image
        uses: devcontainers/ci@513af61f4de4f75d37e4438f184ba4358f0fc1ca # v0.3.1900000450
        with:
          imageName: ghcr.io/reubeno/brush/devcontainer
          imageTag: latest
          cacheFrom: ghcr.io/reubeno/brush/devcontainer
          push: filter
          refFilterForPush: refs/heads/main
          eventFilterForPush: push