name: Build

on:
  push:
    branches: 'ci*'
    tags: '*'

jobs:
  create_release:
    name: Create release
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: false
      - name: Generate release name
        id: release_name
        # https://github.community/t/how-to-get-just-the-tag-name/16241/4
        run: echo ::set-output name=name::${GITHUB_REF/refs\/*s\//}
      - name: Create release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.release_name.outputs.name }}
          release_name: ${{ steps.release_name.outputs.name }}
          body: ''
          draft: false
          prerelease: true

  build:
    name: Build
    runs-on: ubuntu-20.04
    needs: [create_release]
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true
      - name: Make /opt writable and create dir
        run: sudo chown "$(whoami):$(whoami)" /opt && mkdir /opt/cegcc
      - name: Workaround for apt update failure
        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
      - name: Install deps
        run: |
          sudo sed -i 's+^deb http://azure+deb [arch=amd64] http://azure+g' /etc/apt/sources.list
          cat <<EOF >> aarch64.list
            deb [arch=arm64] http://ports.ubuntu.com/ focal main restricted
            deb [arch=arm64] http://ports.ubuntu.com/ focal-updates main restricted
            deb [arch=arm64] http://ports.ubuntu.com/ focal universe
            deb [arch=arm64] http://ports.ubuntu.com/ focal-updates universe
            deb [arch=arm64] http://ports.ubuntu.com/ focal multiverse
            deb [arch=arm64] http://ports.ubuntu.com/ focal-updates multiverse
            deb [arch=arm64] http://ports.ubuntu.com/ focal-backports main restricted universe multiverse
          EOF
          sudo mv aarch64.list /etc/apt/sources.list.d/
          sudo dpkg --add-architecture arm64
          sudo apt update
          sudo apt install build-essential bison flex m4 libgmp-dev libmpc-dev libmpfr-dev \
                           gcc-aarch64-linux-gnu g++-aarch64-linux-gnu libgmp-dev:arm64 libmpc-dev:arm64 libmpfr-dev:arm64 qemu-user-static
      - name: Build cegcc for x86_64
        run: |
          export DIR=$(pwd)
          mkdir build
          cd build
          ../build.sh -j4
          cd /opt/cegcc
          find . | xargs file | grep "not stripped" | grep -oE '^[^:]+' | xargs strip
          cd /opt
          zip -r $DIR/cegcc-x86_64.zip cegcc
          rm -rf cegcc
      - name: Build cegcc for aarch64
        run: |
          export DIR=$(pwd)
          mkdir cross
          cd cross
          find /usr/bin/aarch64-linux-gnu-* | sed 's+/usr/bin/aarch64-linux-gnu-++g' | xargs -n1 -I{} ln -s /usr/bin/aarch64-linux-gnu-{} {}
          ln -s ../build/gcc-bootstrap/gcc/xgcc arm-mingw32ce-gcc # dirty workaround to fix "command not found"
          export PATH=$(pwd):$PATH
          cd ..
          rm -rf build
          mkdir build
          cd build
          ../build.sh -j4 --host=aarch64-linux-gnu
          cd /opt/cegcc
          find . | xargs file | grep "not stripped" | grep -oE '^[^:]+' | xargs /usr/bin/aarch64-linux-gnu-strip
          cd /opt
          zip -r $DIR/cegcc-aarch64.zip cegcc
      - name: Generate archive name
        id: archive_name
        run: |
          echo ::set-output name=name_x86_64::cegcc-x86_64-${GITHUB_REF/refs\/*s\//}
          echo ::set-output name=name_aarch64::cegcc-aarch64-${GITHUB_REF/refs\/*s\//}
      - name: Upload cegcc-x86_64.zip
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: cegcc-x86_64.zip
          asset_name: ${{ steps.archive_name.outputs.name_x86_64 }}.zip
          asset_content_type: application/zip
      - name: Upload cegcc-aarch64.zip
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: cegcc-aarch64.zip
          asset_name: ${{ steps.archive_name.outputs.name_aarch64 }}.zip
          asset_content_type: application/zip