name: Build Deb Package

on: [push, pull_request]

concurrency:
  group: ${{ github.repository }}-${{ github.event.number || github.head_ref || github.sha }}-${{ github.workflow }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-20.04]
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Get time
        run: |
          date +'%Y-%m' > snapshot.txt

      - name: Cache for cccahe
        uses: actions/cache@v2
        with:
          path: /home/runner/.ccache
          key: ${{ runner.os }}-deb-ccache-${{ hashFiles('**/snapshot.txt') }}
          restore-keys: |
            ${{ runner.os }}-deb-ccache-

      - name: Install dependencies for Linux
        if: runner.os == 'Linux'
        run: |
          sudo apt update -y
          sudo apt install -y ca-certificates \
                              ccache \
                              cmake \
                              debhelper \
                              devscripts \
                              libboost-all-dev \
                              libcpprest-dev \
                              libcurl4-openssl-dev \
                              libssl-dev \
                              libz-dev \
                              lsb-release \
                              openssl \
                              screenfetch \
                              wget

      - name: Install grpc for Ubuntu 20.04
        if: matrix.os == 'ubuntu-20.04'
        run: |
          sudo apt install -y libcurl4-openssl-dev \
                              libprotobuf-dev \
                              libprotoc-dev \
                              libgrpc-dev \
                              libgrpc++-dev \
                              protobuf-compiler-grpc

      - name: Screen fetch
        run: |
          screenfetch

      - name: Setup tmate session
        if: false
        uses: mxschmitt/action-tmate@v2

      - name: Prepare gpg environment
        run: |
          cat > gpg-script <<EOF
              %echo Generating a OpenPGP key
              Key-Type: DSA
              Key-Length: 1024
              Subkey-Type: ELG-E
              Subkey-Length: 1024
              Name-Real: Tao He
              Name-Email: sighingnow@gmail.com
              Expire-Date: 0
              Passphrase: etcd-passphrase
              # Do a commit here, so that we can later print "done" :-)
              %commit
              %echo done
          EOF

          gpg --batch --gen-key gpg-script

      - name: CMake
        run: |
          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib

          mkdir -p build
          cd build
          cmake .. -DCMAKE_CXX_STANDARD=17 \
                   -DCMAKE_CXX_STANDARD_REQUIRED=TRUE \
                   -DBUILD_ETCD_TESTS=ON \
                   -DCMAKE_C_COMPILER_LAUNCHER=ccache \
                   -DCMAKE_CXX_COMPILER_LAUNCHER=ccache

      - name: Generate PPA source tarball
        if: false
        run: |
          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib

          mkdir -p build
          cd build

      - name: Generate Deb package
        run: |
          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib

          mkdir -p build
          cd build

          cpack -G DEB

      - name: Upload deb package
        if: always()
        uses: actions/upload-artifact@v2
        with:
          name: deb package
          path: build/*.deb

      - name: Check ccache
        run: |
          ccache --show-stats