release.yml

# Copyright (c) 2024 Hemi Labs, Inc.
# Use of this source code is governed by the MIT License,
# which can be found in the LICENSE file.

# GitHub Actions workflow to create releases.
# Releases are published from tags matching "v*.*.*".
name: "Release"
on:
  push:
    tags: [ "v*.*.*" ]
  workflow_dispatch:
    inputs:
      version:
        description: "Version"
        type: string
        required: true
      docker:
        description: "Build Docker images"
        type: boolean
        required: true
        default: false
      release:
        description: "Create GitHub release and publish Docker images"
        type: boolean
        required: true
        default: false

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

jobs:
  # Prepare to release
  prepare:
    name: "Prepare"
    runs-on: "ubuntu-latest"
    permissions:
      contents: read
    outputs:
      version: "${{ steps.version.outputs.version }}"
      tag: "${{ steps.version.outputs.tag }}"
      version_type: "${{ steps.version.outputs.type }}"
    steps:
      - name: "Determine version type"
        id: version
        env:
          RAW_VERSION: "${{ inputs.version || github.ref_name }}"
        # This script determines the version type (stability), e.g.
        #  1.0.0 = stable, 1.1.0-rc.1 = unstable, 0.1.0 = unstable
        run: |
          VERSION=$(echo "$RAW_VERSION" | sed -e 's/^v//')
          TAG=$(echo "$RAW_VERSION" | sed -E 's/^([^v])/v\1/g')
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

          TYPE=unstable
          if echo "$VERSION" | grep -Eq '^[1-9][0-9]*\.[0-9]+\.[0-9]+$'; then
            TYPE=stable
          fi
          echo "Detected that $TAG is $TYPE"
          echo "type=$TYPE" >> "$GITHUB_OUTPUT"

  # Build and publish Docker image
  docker:
    name: "Docker"
    runs-on: "ubuntu-latest"
    if: github.event_name == 'push' || inputs.docker
    needs: [ "prepare" ]
    permissions:
      contents: read
      packages: write
    steps:
      - name: "Checkout repository"
        uses: actions/checkout@v4

      - name: "Setup QEMU"
        uses: docker/setup-qemu-action@v3

      - name: "Setup Docker Buildx"
        uses: docker/setup-buildx-action@v3

      - name: "Login to DockerHub"
        if: github.event_name == 'push' || inputs.release
        uses: docker/login-action@v3
        with:
          username: "${{ secrets.DOCKERHUB_USERNAME }}"
          password: "${{ secrets.DOCKERHUB_TOKEN }}"

      - name: "Login to GitHub Container Registry"
        if: github.event_name == 'push' || inputs.release
        uses: docker/login-action@v3
        with:
          registry: "ghcr.io"
          username: "${{ github.repository_owner }}"
          password: "${{ secrets.GITHUB_TOKEN }}"

      - name: "Prepare"
        id: "prepare"
        run: |
          echo "build_date=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> "$GITHUB_OUTPUT"

      - name: "Build and push"
        uses: docker/build-push-action@v5
        with:
          context: "${{ github.workspace }}"
          platforms: "amd64"
          file: "${{ github.workspace }}/Dockerfile"
          push: "${{ github.event_name == 'push' || inputs.release }}"
          build-args: |
            VERSION=${{ needs.prepare.outputs.version }}
            VCS_REF=${{ github.sha }}
            BUILD_DATE=${{ steps.prepare.outputs.build_date }}
          tags: |
            hemilabs/op-geth:latest
            hemilabs/op-geth:${{ needs.prepare.outputs.tag }}
            ghcr.io/hemilabs/op-geth:latest
            ghcr.io/hemilabs/op-geth:${{ needs.prepare.outputs.tag }}

  # Create GitHub Release
  release:
    name: "Release"
    runs-on: "ubuntu-latest"
    needs: [ "prepare", "docker" ]
    permissions:
      contents: write
    steps:
      - name: "Checkout repository"
        uses: actions/checkout@v4

      - name: "Create GitHub release"
        if: github.event_name == 'push' || inputs.release
        env:
          TAG: "${{ github.ref_name || needs.prepare.outputs.tag }}"
          PRERELEASE: "${{ needs.prepare.outputs.version_type == 'unstable' }}"
          GH_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        # Creates a GitHub release using the 'gh' CLI (https://github.com/cli/cli).
        # Release notes will be generated by GitHub using the config at .github/release.yml.
        run: |
          gh release create "$TAG" --generate-notes --prerelease=$PRERELEASE