name: Automated builds

on:
  push:
    # TODO: Uncomment these before squashing and merging
    # branches:
    #   - master
  pull_request:
    # branches:
    #   - master
  release:
    types: [created]

env:
  BOOST_URL: https://dl.bintray.com/boostorg/release/1.72.0/source/boost_1_72_0.tar.gz
  BOOST_CHECKSUM: c66e88d5786f2ca4dbebb14e06b566fb642a1a6947ad8cc9091f9f445134143f  boost_1_72_0.tar.gz
  BOOST_VERSION: 1_72_0

jobs:
  build-bionic:
    name: Build on Ubuntu 18.04
    runs-on: ubuntu-latest
    # This container contains everything needed to build yabridge except for
    # Boost since that's not easily available and it the parts we need are
    # quick to compile anyway
    container: robbert/docker-yabridge:bionic
    outputs:
      artifact-name: ${{ env.ARCHIVE_NAME }}
    # GitHub actions does not allow you to share steps between jobs and their
    # yaml parser does not support anchors, so we'll have to duplicate all of
    # these steps
    # https://github.community/t5/GitHub-Actions/reusing-sharing-inheriting-steps-between-jobs-declarations/td-p/37849
    steps:
      - uses: actions/checkout@v2
      # Needed for git-describe to do anything useful
      - name: Fetch all git history
        run: git fetch --prune --tags --unshallow
      - name: Determine build archive name
        run: |
          export ARCHIVE_NAME=yabridge-$(git describe --always)-ubuntu-18.04.tar.gz
          echo ::set-env "name=ARCHIVE_NAME::$ARCHIVE_NAME"
      - name: Compile Boost
        run: |
          set -e

          cd /tmp
          wget --quiet --max-redirect 3 "$BOOST_URL"
          echo "$BOOST_CHECKSUM" | sha256sum -c
          tar -xf "boost_${BOOST_VERSION}.tar.gz"
          rm "boost_${BOOST_VERSION}.tar.gz"

          cd boost_${BOOST_VERSION}
          ./bootstrap.sh --with-toolset=gcc --with-icu --with-python=

          # 32-bit build
          ./b2 \
            variant=release \
            debug-symbols=off \
            threading=multi \
            runtime-link=shared \
            link=shared,static \
            toolset=gcc \
            address-model=32 \
            cflags="${CPPFLAGS} ${CFLAGS} -m32 -fPIC -O3" \
            cxxflags="${CPPFLAGS} ${CXXFLAGS} -m32 -std=c++14 -fPIC -O3" \
            linkflags="${LDFLAGS} -m32" \
            --with-filesystem \
            --libdir=/usr/local/lib/i386-linux-gnu \
            -j $(nproc) \
            \
            install

          # 64-bit build
          ./b2 \
            variant=release \
            debug-symbols=off \
            threading=multi \
            runtime-link=shared \
            link=shared,static \
            toolset=gcc \
            address-model=64 \
            cflags="${CPPFLAGS} ${CFLAGS} -fPIC -O3" \
            cxxflags="${CPPFLAGS} ${CXXFLAGS} -std=c++14 -fPIC -O3" \
            --with-filesystem \
            -j $(nproc) \
            \
            install
      - name: Build the binaries
        run: |
          # Wine won't create a Wine prefix in ~/.wine because /github/home is
          # not owned by the user that's executing this job
          mkdir -p /tmp/prefix
          export WINEPREFIX=/tmp/prefix

          meson setup --buildtype=release --cross-file cross-wine.conf -Duse-bitbridge=true build
          ninja -C build
      - name: Create an archive for the binaries
        run: |
          set -e

          mkdir yabridge
          # This is ran under dash which does not support brace expansion
          cp build/libyabridge.so build/yabridge-host.exe build/yabridge-host.exe.so build/yabridge-host-32.exe build/yabridge-host-32.exe.so yabridge
          cp README.md yabridge

          tar -caf "$ARCHIVE_NAME" yabridge
          rm -rf yabridge
      - uses: actions/upload-artifact@v2
        with:
          name: ${{ env.ARCHIVE_NAME }}
          path: ${{ env.ARCHIVE_NAME }}

  build-focal:
    name: Build on Ubuntu 20.04
    runs-on: ubuntu-latest
    # This container contains everything needed to build yabridge except for
    # Boost since that's not easily available and it the parts we need are
    # quick to compile anyway
    container: robbert/docker-yabridge:focal
    outputs:
      artifact-name: ${{ env.ARCHIVE_NAME }}
    steps:
      - uses: actions/checkout@v2
      # Needed for git-describe to do anything useful
      - name: Fetch all git history
        run: git fetch --prune --tags --unshallow
      - name: Determine build archive name
        run: |
          export ARCHIVE_NAME=yabridge-$(git describe --always).tar.gz
          echo ::set-env "name=ARCHIVE_NAME::$ARCHIVE_NAME"
      # TODO: Maybe we should move this to the Docker image. Compiling and
      #       copying took only a few seconds on my machine, but the disk IO
      #       is killing GitHub Actions.
      - name: Compile Boost
        run: |
          set -e

          cd /tmp
          wget --quiet --max-redirect 3 "$BOOST_URL"
          echo "$BOOST_CHECKSUM" | sha256sum -c
          tar -xf "boost_${BOOST_VERSION}.tar.gz"
          rm "boost_${BOOST_VERSION}.tar.gz"

          cd boost_${BOOST_VERSION}
          ./bootstrap.sh --with-toolset=gcc --with-icu --with-python=

          # 32-bit build
          ./b2 \
            variant=release \
            debug-symbols=off \
            threading=multi \
            runtime-link=shared \
            link=shared,static \
            toolset=gcc \
            address-model=32 \
            cflags="${CPPFLAGS} ${CFLAGS} -m32 -fPIC -O3" \
            cxxflags="${CPPFLAGS} ${CXXFLAGS} -m32 -std=c++14 -fPIC -O3" \
            linkflags="${LDFLAGS} -m32" \
            --with-filesystem \
            --libdir=/usr/local/lib/i386-linux-gnu \
            -j $(nproc) \
            \
            install

          # 64-bit build
          ./b2 \
            variant=release \
            debug-symbols=off \
            threading=multi \
            runtime-link=shared \
            link=shared,static \
            toolset=gcc \
            address-model=64 \
            cflags="${CPPFLAGS} ${CFLAGS} -fPIC -O3" \
            cxxflags="${CPPFLAGS} ${CXXFLAGS} -std=c++14 -fPIC -O3" \
            --with-filesystem \
            -j $(nproc) \
            \
            install
      - name: Build the binaries
        run: |
          # Wine won't create a Wine prefix in ~/.wine because /github/home is
          # not owned by the user that's executing this job
          mkdir -p /tmp/prefix
          export WINEPREFIX=/tmp/prefix

          meson setup --buildtype=release --cross-file cross-wine.conf -Duse-bitbridge=true build
          ninja -C build
      - name: Create an archive for the binaries
        run: |
          set -e

          mkdir yabridge
          # This is ran under dash which does not support brace expansion
          cp build/libyabridge.so build/yabridge-host.exe build/yabridge-host.exe.so build/yabridge-host-32.exe build/yabridge-host-32.exe.so yabridge
          cp README.md yabridge

          tar -caf "$ARCHIVE_NAME" yabridge
          rm -rf yabridge
      - uses: actions/upload-artifact@v2
        with:
          name: ${{ env.ARCHIVE_NAME }}
          path: ${{ env.ARCHIVE_NAME }}

  upload-releases:
    name: Upload the created artifacts to the releases page
    runs-on: ubuntu-latest
    needs: [build-bionic, build-focal]
    if: ${{ github.event_name == 'release' }}
    steps:
      # They don't allow you to specify multiple file names for these actions
      - uses: actions/download-artifact@v2
        with:
          name: ${{ needs.build-bionic.outputs.artifact-name }}
      - uses: actions/download-artifact@v2
        with:
          name: ${{ needs.build-focal.outputs.artifact-name }}
      - uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./${{ needs.build-bionic.outputs.artifact-name }}
          asset_name: $${{ needs.build-bionic.outputs.artifact-name }}
          asset_content_type: application/x-compressed-tar
      - uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./${{ needs.build-focal.outputs.artifact-name }}
          asset_name: $${{ needs.build-focal.outputs.artifact-name }}
          asset_content_type: application/x-compressed-tar