build.yml

name: Build

on:
  workflow_dispatch:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
  pull_request_target:
    types: [opened, synchronize, reopened, ready_for_review]
  push:

env:
  CONTAINER_REGISTRY: ghcr.io
  CONTAINER_IMAGE: ghcr.io/${{ github.repository }}
  PLATFORMS: linux/amd64,linux/arm64

jobs:
  binaries:
    name: Binaries
    # pull_request_target: Only "dependabot[bot]" is allowed to access secrets.
    # pull_request: All other forks are running without access to secrets.
    runs-on: ubuntu-latest
    if: |
      (github.event_name == 'pull_request_target' && github.actor == 'dependabot[bot]') ||
      (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]')
    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux/amd64
          - linux/arm64
          - linux/arm
          - darwin/amd64
          - darwin/arm64
          - windows/amd64
    steps:
      - name: Clone repository
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: actions/checkout@v4

        # Allow "dependabot[bot]" to verify its changes with access to secrets and modified code.
      - name: Clone repository for Dependabot
        if: ${{ github.event_name == 'pull_request_target' }}
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Set up Go compiler
        uses: actions/setup-go@v4
        with:
          go-version-file: go.mod
          check-latest: true

      - name: Fetch version from git history
        if: github.ref_protected == true
        uses: codfish/semantic-release-action@v2
        id: semantic
        with:
          dry_run: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Build binary
        if: github.ref_protected == true
        run: VERSION=v${{ steps.semantic.outputs.release-version }} UPX=-9 PLATFORM=${{ matrix.platform }} make build

      - name: Build binary
        if: github.ref_protected == false
        run: UPX=-9 PLATFORM=${{ matrix.platform }} make build

      - name: Upload binary
        uses: actions/upload-artifact@v3
        with:
          name: binaries
          path: bin/*

  container:
    name: Container
    runs-on: ubuntu-latest
    if: |
      (github.event_name == 'pull_request_target' && github.actor == 'dependabot[bot]') ||
      (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]')
    steps:
      - name: Clone repository
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: actions/checkout@v4

        # Allow "dependabot[bot]" to verify its changes with access to secrets and modified code.
      - name: Clone repository for Dependabot
        if: ${{ github.event_name == 'pull_request_target' }}
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Fetch version from git history
        uses: codfish/semantic-release-action@v2
        id: semantic
        with:
          dry_run: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate container metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.CONTAINER_IMAGE }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=v${{ steps.semantic.outputs.release-version }},enable=${{ steps.semantic.outputs.new-release-published }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.CONTAINER_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push container image
        uses: docker/build-push-action@v5
        with:
          file: build/package/Dockerfile
          cache-from: type=registry,ref=${{ env.CONTAINER_IMAGE }}:main
          cache-to: type=inline
          platforms: ${{ env.PLATFORMS }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: ${{ steps.semantic.outputs.new-release-published }}
          build-args: |
            VERSION=v${{ steps.semantic.outputs.release-version }}

  auto-merge:
    name: Auto-merge
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    needs: [binaries, container]
    steps:
      - uses: ahmadnassri/action-dependabot-auto-merge@v2
        with:
          github-token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
          target: all

  release:
    name: Release
    if: github.ref_protected == true && github.event_name == 'push'
    needs: [binaries, container]
    runs-on: ubuntu-latest
    steps:
      - name: Clone repository
        uses: actions/checkout@v4

      - name: Download release artifacts
        uses: actions/download-artifact@v3
        with:
          name: binaries
          path: release

      - name: Create release
        uses: codfish/semantic-release-action@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}