build-cross.yml

name: Build binaries for platforms under QEMU

on:
  push:
    tags:
      - "v*"
    branches:
      - main
  workflow_dispatch:
  pull_request:

permissions:
  contents: write

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-cross:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: "Linux-aarch64", target: aarch64-linux, os: ubuntu-20.04 }
    steps:
      - name: Checkout source code
        uses: actions/checkout@v4

      - name: Check for release
        id: is-release
        shell: bash
        run: |
          unset IS_RELEASE ; if [[ $GITHUB_REF =~ ^refs/tags/v[0-9].* ]]; then IS_RELEASE='true' ; fi
          echo "IS_RELEASE=${IS_RELEASE}" >> $GITHUB_OUTPUT

      - uses: uraimo/run-on-arch-action@v2
        name: Build binary under QEMU
        id: build
        with:
          arch: aarch64
          distro: ubuntu22.04
          # Not required, but speeds up builds by storing container images in
          # a GitHub package registry.
          githubToken: ${{ github.token }}
          run: |
            apt update
            apt install python3-pip -y
            pip install .

            # aliens: requires no source
            ALIENS_NAME="aliens-${{ matrix.target }}.tar.gz"
            ALIENS_PATH=${PWD}/${ALIENS_NAME}
            packaged ./aliens.sh 'pip install pygame' 'python -m pygame.examples.aliens'
            tar czf $ALIENS_NAME ./aliens.sh

            # textual: requires no source
            TEXTUAL_NAME="textual-${{ matrix.target }}.tar.gz"
            TEXTUAL_PATH=${PWD}/${TEXTUAL_NAME}
            packaged ./textual.sh 'pip install textual' 'python -m textual'
            tar czf $TEXTUAL_NAME ./textual.sh

            # IPython: requires no source
            IPYTHON_NAME="ipython-${{ matrix.target }}.tar.gz"
            IPYTHON_PATH=${PWD}/${IPYTHON_NAME}
            packaged ./ipython.sh 'pip install ipython' 'ipython'
            tar czf $IPYTHON_NAME ./ipython.sh

            # ./examples/mandelbrot
            MANDELBROT_NAME="mandelbrot-${{ matrix.target }}.tar.gz"
            MANDELBROT_PATH=${PWD}/${MANDELBROT_NAME}
            packaged ./mandelbrot.sh 'pip install -r requirements.txt' 'python mandelbrot.py' ./example/mandelbrot
            tar czf $MANDELBROT_NAME ./mandelbrot.sh

            # ./examples/minesweeper
            MINESWEEPER_NAME="minesweeper-${{ matrix.target }}.tar.gz"
            MINESWEEPER_PATH=${PWD}/${MINESWEEPER_NAME}
            packaged ./example/minesweeper
            tar czf $MINESWEEPER_NAME ./minesweeper.sh

            # Setup output paths for upload
            echo Setting paths in output
            echo ::set-output name=ALIENS_NAME::"${ALIENS_NAME}"
            echo ::set-output name=ALIENS_PATH::"${ALIENS_PATH}"
            echo ::set-output name=TEXTUAL_NAME::"${TEXTUAL_NAME}"
            echo ::set-output name=TEXTUAL_PATH::"${TEXTUAL_PATH}"
            echo ::set-output name=IPYTHON_NAME::"${IPYTHON_NAME}"
            echo ::set-output name=IPYTHON_PATH::"${IPYTHON_PATH}"
            echo ::set-output name=MANDELBROT_NAME::"${MANDELBROT_NAME}"
            echo ::set-output name=MANDELBROT_PATH::"${MANDELBROT_PATH}"
            echo ::set-output name=MINESWEEPER_NAME::"${MINESWEEPER_NAME}"
            echo ::set-output name=MINESWEEPER_PATH::"${MINESWEEPER_PATH}"

      - name: Upload aliens
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build.outputs.ALIENS_NAME }}
          path: ${{ steps.build.outputs.ALIENS_PATH }}

      - name: Upload textual
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build.outputs.TEXTUAL_NAME }}
          path: ${{ steps.build.outputs.TEXTUAL_PATH }}

      - name: Upload IPython
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build.outputs.IPYTHON_NAME }}
          path: ${{ steps.build.outputs.IPYTHON_PATH }}

      - name: Upload mandelbrot
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build.outputs.MANDELBROT_NAME }}
          path: ${{ steps.build.outputs.MANDELBROT_PATH }}

      - name: Upload minesweeper
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build.outputs.MINESWEEPER_NAME }}
          path: ${{ steps.build.outputs.MINESWEEPER_PATH }}

      - name: Publish packages
        uses: softprops/action-gh-release@v1
        if: steps.is-release.outputs.IS_RELEASE
        with:
          draft: true
          files: |
            ${{ steps.build.outputs.ALIENS_PATH }}
            ${{ steps.build.outputs.TEXTUAL_PATH }}
            ${{ steps.build.outputs.IPYTHON_PATH }}
            ${{ steps.build.outputs.MANDELBROT_PATH }}
            ${{ steps.build.outputs.MINESWEEPER_PATH }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}