name: Publish Docker Images

on:
  #push:
  #  branches:
  #    - stable
  #    - testing
  release:
    types:
      - published
  workflow_dispatch:
    inputs:
      tag:
        description: "The tag version you want to build"

env:
  REGISTRY_IMAGE: ghcr.io/sagernet/sing-box

jobs:
  build_binary:
    name: Build binary
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        include:
          # Naive-enabled builds (musl)
          - { arch: amd64, naive: true, docker_platform: "linux/amd64" }
          - { arch: arm64, naive: true, docker_platform: "linux/arm64" }
          - { arch: "386", naive: true, docker_platform: "linux/386" }
          - { arch: arm, goarm: "7", naive: true, docker_platform: "linux/arm/v7" }
          - { arch: mipsle, gomips: softfloat, naive: true, docker_platform: "linux/mipsle" }
          - { arch: riscv64, naive: true, docker_platform: "linux/riscv64" }
          - { arch: loong64, naive: true, docker_platform: "linux/loong64" }
          # Non-naive builds
          - { arch: arm, goarm: "6", docker_platform: "linux/arm/v6" }
          - { arch: ppc64le, docker_platform: "linux/ppc64le" }
          - { arch: s390x, docker_platform: "linux/s390x" }
    steps:
      - name: Get commit to build
        id: ref
        run: |-
          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
            ref="${{ github.ref_name }}"
          else
            ref="${{ github.event.inputs.tag }}"
          fi
          echo "ref=$ref"
          echo "ref=$ref" >> $GITHUB_OUTPUT
      - name: Checkout
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
        with:
          ref: ${{ steps.ref.outputs.ref }}
          fetch-depth: 0
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ~1.25.8
      - name: Clone cronet-go
        if: matrix.naive
        run: |
          set -xeuo pipefail
          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
          git init ~/cronet-go
          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
          git -C ~/cronet-go checkout FETCH_HEAD
          git -C ~/cronet-go submodule update --init --recursive --depth=1
      - name: Regenerate Debian keyring
        if: matrix.naive
        run: |
          set -xeuo pipefail
          rm -f ~/cronet-go/naiveproxy/src/build/linux/sysroot_scripts/keyring.gpg
          cd ~/cronet-go
          GPG_TTY=/dev/null ./naiveproxy/src/build/linux/sysroot_scripts/generate_keyring.sh
      - name: Cache Chromium toolchain
        if: matrix.naive
        id: cache-chromium-toolchain
        uses: actions/cache@v4
        with:
          path: |
            ~/cronet-go/naiveproxy/src/third_party/llvm-build/
            ~/cronet-go/naiveproxy/src/gn/out/
            ~/cronet-go/naiveproxy/src/chrome/build/pgo_profiles/
            ~/cronet-go/naiveproxy/src/out/sysroot-build/
          key: chromium-toolchain-${{ matrix.arch }}-musl-${{ hashFiles('.github/CRONET_GO_VERSION') }}
      - name: Download Chromium toolchain
        if: matrix.naive
        run: |
          set -xeuo pipefail
          cd ~/cronet-go
          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
      - name: Set version
        run: |
          set -xeuo pipefail
          VERSION=$(go run ./cmd/internal/read_tag)
          echo "VERSION=${VERSION}" >> "${GITHUB_ENV}"
      - name: Set Chromium toolchain environment
        if: matrix.naive
        run: |
          set -xeuo pipefail
          cd ~/cronet-go
          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
      - name: Set build tags
        run: |
          set -xeuo pipefail
          if [[ "${{ matrix.naive }}" == "true" ]]; then
            TAGS="$(cat release/DEFAULT_BUILD_TAGS),with_musl"
          else
            TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS)
          fi
          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
      - name: Set shared ldflags
        run: |
          echo "LDFLAGS_SHARED=$(cat release/LDFLAGS)" >> "${GITHUB_ENV}"
      - name: Build (naive)
        if: matrix.naive
        run: |
          set -xeuo pipefail
          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${VERSION}' ${LDFLAGS_SHARED} -s -w -buildid=" \
          ./cmd/sing-box
        env:
          CGO_ENABLED: "1"
          GOOS: linux
          GOARCH: ${{ matrix.arch }}
          GOARM: ${{ matrix.goarm }}
          GOMIPS: ${{ matrix.gomips }}
      - name: Build (non-naive)
        if: ${{ ! matrix.naive }}
        run: |
          set -xeuo pipefail
          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${VERSION}' ${LDFLAGS_SHARED} -s -w -buildid=" \
          ./cmd/sing-box
        env:
          CGO_ENABLED: "0"
          GOOS: linux
          GOARCH: ${{ matrix.arch }}
          GOARM: ${{ matrix.goarm }}
      - name: Prepare artifact
        run: |
          platform=${{ matrix.docker_platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
          # Rename binary to include arch info for Dockerfile.binary
          BINARY_NAME="sing-box-${{ matrix.arch }}"
          if [[ -n "${{ matrix.goarm }}" ]]; then
            BINARY_NAME="${BINARY_NAME}v${{ matrix.goarm }}"
          fi
          mv sing-box "${BINARY_NAME}"
          echo "BINARY_NAME=${BINARY_NAME}" >> $GITHUB_ENV
      - name: Upload binary
        uses: actions/upload-artifact@v4
        with:
          name: binary-${{ env.PLATFORM_PAIR }}
          path: ${{ env.BINARY_NAME }}
          if-no-files-found: error
          retention-days: 1
  build_docker:
    name: Build Docker image
    runs-on: ubuntu-latest
    needs:
      - build_binary
    strategy:
      fail-fast: true
      matrix:
        include:
          - { platform: "linux/amd64" }
          - { platform: "linux/arm/v6" }
          - { platform: "linux/arm/v7" }
          - { platform: "linux/arm64" }
          - { platform: "linux/386" }
          # mipsle: no base Docker image available for this platform
          - { platform: "linux/ppc64le" }
          - { platform: "linux/riscv64" }
          - { platform: "linux/s390x" }
          - { platform: "linux/loong64", base_image: "ghcr.io/loong64/alpine:edge" }
    steps:
      - name: Get commit to build
        id: ref
        run: |-
          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
            ref="${{ github.ref_name }}"
          else
            ref="${{ github.event.inputs.tag }}"
          fi
          echo "ref=$ref"
          echo "ref=$ref" >> $GITHUB_OUTPUT
      - name: Checkout
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
        with:
          ref: ${{ steps.ref.outputs.ref }}
          fetch-depth: 0
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
      - name: Download binary
        uses: actions/download-artifact@v5
        with:
          name: binary-${{ env.PLATFORM_PAIR }}
          path: .
      - name: Prepare binary
        run: |
          # Find and make the binary executable
          chmod +x sing-box-*
          ls -la sing-box-*
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v3
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          platforms: ${{ matrix.platform }}
          context: .
          file: Dockerfile.binary
          build-args: |
            BASE_IMAGE=${{ matrix.base_image || 'alpine' }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1
  merge:
    if: github.event_name != 'push'
    runs-on: ubuntu-latest
    needs:
      - build_docker
    steps:
      - name: Get commit to build
        id: ref
        run: |-
          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
            ref="${{ github.ref_name }}"
          else
            ref="${{ github.event.inputs.tag }}"
          fi
          echo "ref=$ref"
          echo "ref=$ref" >> $GITHUB_OUTPUT
      - name: Checkout
        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
        with:
          ref: ${{ steps.ref.outputs.ref }}
          fetch-depth: 0
      - name: Detect track
        run: bash .github/detect_track.sh
      - name: Download digests
        uses: actions/download-artifact@v5
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        if: github.event_name != 'push'
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            -t "${{ env.REGISTRY_IMAGE }}:${{ env.DOCKER_TAG }}" \
            -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}" \
            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
      - name: Inspect image
        if: github.event_name != 'push'
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ env.DOCKER_TAG }}
          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}