build_container.yml

on:
  workflow_dispatch:
    inputs:
      version:
        type: string
        default: latest
      publish:
        type: boolean
        default: false
jobs:
  build:
    name: build (host=${{ matrix.host }}, target=${{ matrix.target }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        host: [ amd64, arm64v8 ]
        target: [ amd64, arm64v8 ]
    steps:
      - uses: actions/checkout@v3
      - name: setup binfmt
        run: sudo podman run --privileged -v /proc/sys/fs/binfmt_misc:/proc/sys/fs/binfmt_misc "ghcr.io/gardenlinux/binfmt_container"
      - name: build
        run: |
          set -x
          cd container
          if [ ${{ matrix.host }} = ${{ matrix.target }} ]; then
            podman build --squash-all --build-arg arch=${{ matrix.host }} -f build.containerfile -t ghcr.io/${{ github.repository }}/host-${{ matrix.host }}/target-${{ matrix.target }}:${{ inputs.version }} .
          else
            case ${{ matrix.target }} in
              amd64) gnu_arch=x86-64 ;;
              arm64v8) gnu_arch=aarch64 ;;
            esac
            podman build --squash-all --build-arg native_arch=${{ matrix.host }} --build-arg target_arch=${{ matrix.target }} --build-arg gnu_arch=$gnu_arch -f crossbuild.containerfile -t ghcr.io/${{ github.repository }}/host-${{ matrix.host }}/target-${{ matrix.target }}:${{ inputs.version }} .
          fi
      - name: publish
        if: ${{ inputs.publish }}
        run: |
          podman login -u token -p ${{ github.token }} ghcr.io
          podman push ghcr.io/${{ github.repository }}/host-${{ matrix.host }}/target-${{ matrix.target }}:${{ inputs.version }}
          podman inspect ghcr.io/${{ github.repository }}/host-${{ matrix.host }}/target-${{ matrix.target }}:${{ inputs.version }}
  publish:
    runs-on: ubuntu-latest
    needs: build
    if: ${{ inputs.publish }}
    steps:
      - name: publish
        run: |
          podman login -u token -p ${{ github.token }} ghcr.io
          podman manifest create ghcr.io/${{ github.repository }}/target-amd64:${{ inputs.version }}
          podman manifest add --arch amd64 ghcr.io/${{ github.repository }}/target-amd64:${{ inputs.version }} ghcr.io/${{ github.repository }}/host-amd64/target-amd64:${{ inputs.version }}
          podman manifest add --arch arm64 ghcr.io/${{ github.repository }}/target-amd64:${{ inputs.version }} ghcr.io/${{ github.repository }}/host-arm64v8/target-amd64:${{ inputs.version }}
          podman push ghcr.io/${{ github.repository }}/target-amd64:${{ inputs.version }}
          podman manifest inspect ghcr.io/${{ github.repository }}/target-amd64:${{ inputs.version }}
          podman manifest create ghcr.io/${{ github.repository }}/target-arm64v8:${{ inputs.version }}
          podman manifest add --arch amd64 ghcr.io/${{ github.repository }}/target-arm64v8:${{ inputs.version }} ghcr.io/${{ github.repository }}/host-amd64/target-arm64v8:${{ inputs.version }}
          podman manifest add --arch arm64 ghcr.io/${{ github.repository }}/target-arm64v8:${{ inputs.version }} ghcr.io/${{ github.repository }}/host-arm64v8/target-arm64v8:${{ inputs.version }}
          podman push ghcr.io/${{ github.repository }}/target-arm64v8:${{ inputs.version }}
          podman manifest inspect ghcr.io/${{ github.repository }}/target-arm64v8:${{ inputs.version }}