name: Dev Image

on:
  push:
    branches:
      - "main"
    paths:
      - "Dockerfile.dev"
      - ".github/workflows/dev-image.yml"
  pull_request:
    branches:
      - "main"
    paths:
      - "Dockerfile.dev"
      - ".github/workflows/dev-image.yml"
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: "dev-image-${{ github.ref }}"
  cancel-in-progress: true

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - name: Revision tag (YYYYMMDD-shortsha + full SHA aliases)
        id: revision
        run: |
          set -eu
          short=$(git rev-parse --short=7 HEAD)
          d=$(TZ=UTC0 git log -1 --format=%cd --date=format:%Y%m%d HEAD)
          echo "image_tag=${d}-${short}" >> "$GITHUB_OUTPUT"

      - name: Log in to GHCR
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1

      - name: Build and push
        uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
        with:
          context: .
          file: Dockerfile.dev
          push: ${{ github.ref == 'refs/heads/main' && github.event_name != 'pull_request' }}
          tags: |
            ghcr.io/zkldi/tachi-dev:main
            ghcr.io/zkldi/tachi-dev:latest
            ghcr.io/zkldi/tachi-dev:${{ steps.revision.outputs.image_tag }}
            ghcr.io/zkldi/tachi-dev:${{ github.sha }}
          cache-from: type=gha,scope=dev-image
          cache-to: type=gha,mode=max,scope=dev-image