clang-format-image.yml

name: docker-clang-format

on:
  push:
    branches:
      - 'main'
    paths:
      - 'clang-format-docker/**'
      - '.github/workflows/clang-format-image.yml'
  workflow_dispatch:
  schedule:
    - cron: '5 4 * * *' # Daily at 04:05

defaults:
  run:
    shell: bash

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: clang-format

jobs:
  publish-image:
    name: clang-format ${{ matrix.version-pair.version }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        version-pair:
          - {version: "18", ubuntu: "noble"}
          - {version: "17", ubuntu: "noble"}
          - {version: "16", ubuntu: "noble"}
          - {version: "15", ubuntu: "noble"}
          - {version: "14", ubuntu: "noble"}
          - {version: "13", ubuntu: "jammy"}
          - {version: "12", ubuntu: "jammy"}
          - {version: "11", ubuntu: "jammy"}
          - {version: "10", ubuntu: "focal"}
          - {version: "9", ubuntu: "focal"}
          - {version: "8", ubuntu: "focal"}
          - {version: "7", ubuntu: "focal"}
          - {version: "6.0", ubuntu: "focal"}
          - {version: "5.0", ubuntu: "bionic"}
          - {version: "4.0", ubuntu: "bionic"}
          - {version: "3.9", ubuntu: "bionic"}
    steps:
      - uses: actions/checkout@v4
      - name: Parse version tags
        run: |
          VERSION="${{ matrix.version-pair.version }}"
          MAJOR_VERSION="${VERSION%%.*}"
          echo "MAJOR_VERSION=$MAJOR_VERSION" >> "$GITHUB_ENV"
      - name: Log in to the Container registry
        uses: docker/login-action@v3.1.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5.5.1
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      - name: Build and push Docker image
        uses: docker/build-push-action@v5.3.0
        with:
          context: .
          file: "clang-format-docker/Dockerfile"
          push: true
          tags: ${{ env.REGISTRY}}/jidicula/${{ env.IMAGE_NAME}}:${{ env.MAJOR_VERSION }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            "UBUNTU_VERSION=${{ matrix.version-pair.ubuntu }}"
            "CLANG_FORMAT_VERSION=${{ matrix.version-pair.version }}"
  clean-untagged-images:
    needs: publish-image
    name: Clean untagged images
    runs-on: ubuntu-latest
    steps:
      - uses: actions/setup-go@v5
        with:
          go-version: '^1.21'
          check-latest: true
      - name: Install ghcr-cleaner
        run: go install github.com/jidicula/ghcr-cleaner@latest
      - name: Run ghcr-cleaner
        run: ghcr-cleaner --token "${{ secrets.GHCR_DELETE_TOKEN }}" --packagename clang-format